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fix

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ВяткинАртём
2026-03-27 16:48:59 +03:00
parent 3aeed9381c
commit 2ac9627f62
163 changed files with 1 additions and 30892 deletions
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3
.gitignore vendored
View File

@@ -28,5 +28,4 @@ scan.txt
AyuGramDesktop-dev/
tweb-master/
/icon.icns
.env
.venv
.env

130
.venv/bin/activate
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@@ -1,130 +0,0 @@
# Copyright (c) 2020-202x The virtualenv developers
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# This file must be used with "source bin/activate" *from bash*
# you cannot run it directly
if ! [ -z "${SCRIPT_PATH+_}" ] ; then
_OLD_SCRIPT_PATH="$SCRIPT_PATH"
fi
# Get script path (only used if environment is relocatable).
if [ -n "${BASH_VERSION:+x}" ] ; then
SCRIPT_PATH="${BASH_SOURCE[0]}"
if [ "$SCRIPT_PATH" = "$0" ]; then
# Only bash has a reasonably robust check for source'dness.
echo "You must source this script: \$ source $0" >&2
exit 33
fi
elif [ -n "${ZSH_VERSION:+x}" ] ; then
SCRIPT_PATH="${(%):-%x}"
elif [ -n "${KSH_VERSION:+x}" ] ; then
SCRIPT_PATH="${.sh.file}"
fi
deactivate () {
unset -f pydoc >/dev/null 2>&1 || true
# reset old environment variables
# ! [ -z ${VAR+_} ] returns true if VAR is declared at all
if ! [ -z "${_OLD_VIRTUAL_PATH:+_}" ] ; then
PATH="$_OLD_VIRTUAL_PATH"
export PATH
unset _OLD_VIRTUAL_PATH
fi
if ! [ -z "${_OLD_VIRTUAL_PYTHONHOME+_}" ] ; then
PYTHONHOME="$_OLD_VIRTUAL_PYTHONHOME"
export PYTHONHOME
unset _OLD_VIRTUAL_PYTHONHOME
fi
# The hash command must be called to get it to forget past
# commands. Without forgetting past commands the $PATH changes
# we made may not be respected
hash -r 2>/dev/null
if ! [ -z "${_OLD_VIRTUAL_PS1+_}" ] ; then
PS1="$_OLD_VIRTUAL_PS1"
export PS1
unset _OLD_VIRTUAL_PS1
fi
unset VIRTUAL_ENV
unset VIRTUAL_ENV_PROMPT
if [ ! "${1-}" = "nondestructive" ] ; then
# Self destruct!
unset -f deactivate
fi
}
# unset irrelevant variables
deactivate nondestructive
VIRTUAL_ENV='/home/artiom-vyatkin/dev/tg-ws-proxy/.venv'
if ([ "$OSTYPE" = "cygwin" ] || [ "$OSTYPE" = "msys" ]) && $(command -v cygpath &> /dev/null) ; then
VIRTUAL_ENV=$(cygpath -u "$VIRTUAL_ENV")
fi
export VIRTUAL_ENV
# Unset the `SCRIPT_PATH` variable, now that the `VIRTUAL_ENV` variable
# has been set. This is important for relocatable environments.
if ! [ -z "${_OLD_SCRIPT_PATH+_}" ] ; then
SCRIPT_PATH="$_OLD_SCRIPT_PATH"
export SCRIPT_PATH
unset _OLD_SCRIPT_PATH
else
unset SCRIPT_PATH
fi
_OLD_VIRTUAL_PATH="$PATH"
PATH="$VIRTUAL_ENV/bin:$PATH"
export PATH
if [ "xtg-ws-proxy" != x ] ; then
VIRTUAL_ENV_PROMPT="tg-ws-proxy"
else
VIRTUAL_ENV_PROMPT=$(basename "$VIRTUAL_ENV")
fi
export VIRTUAL_ENV_PROMPT
# unset PYTHONHOME if set
if ! [ -z "${PYTHONHOME+_}" ] ; then
_OLD_VIRTUAL_PYTHONHOME="$PYTHONHOME"
unset PYTHONHOME
fi
if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT-}" ] ; then
_OLD_VIRTUAL_PS1="${PS1-}"
PS1="(${VIRTUAL_ENV_PROMPT}) ${PS1-}"
export PS1
fi
# Make sure to unalias pydoc if it's already there
alias pydoc 2>/dev/null >/dev/null && unalias pydoc || true
pydoc () {
python -m pydoc "$@"
}
# The hash command must be called to get it to forget past
# commands. Without forgetting past commands the $PATH changes
# we made may not be respected
hash -r 2>/dev/null || true

76
.venv/bin/activate.csh
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@@ -1,76 +0,0 @@
# Copyright (c) 2020-202x The virtualenv developers
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# This file must be used with "source bin/activate.csh" *from csh*.
# You cannot run it directly.
# Created by Davide Di Blasi <davidedb@gmail.com>.
set newline='\
'
alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH:q" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT:q" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; unsetenv VIRTUAL_ENV_PROMPT; test "\!:*" != "nondestructive" && unalias deactivate && unalias pydoc'
# Unset irrelevant variables.
deactivate nondestructive
setenv VIRTUAL_ENV '/home/artiom-vyatkin/dev/tg-ws-proxy/.venv'
set _OLD_VIRTUAL_PATH="$PATH:q"
setenv PATH "$VIRTUAL_ENV:q/bin:$PATH:q"
if ('tg-ws-proxy' != "") then
setenv VIRTUAL_ENV_PROMPT 'tg-ws-proxy'
else
setenv VIRTUAL_ENV_PROMPT "$VIRTUAL_ENV:t:q"
endif
if ( $?VIRTUAL_ENV_DISABLE_PROMPT ) then
if ( $VIRTUAL_ENV_DISABLE_PROMPT == "" ) then
set do_prompt = "1"
else
set do_prompt = "0"
endif
else
set do_prompt = "1"
endif
if ( $do_prompt == "1" ) then
# Could be in a non-interactive environment,
# in which case, $prompt is undefined and we wouldn't
# care about the prompt anyway.
if ( $?prompt ) then
set _OLD_VIRTUAL_PROMPT="$prompt:q"
if ( "$prompt:q" =~ *"$newline:q"* ) then
:
else
set prompt = '('"$VIRTUAL_ENV_PROMPT:q"') '"$prompt:q"
endif
endif
endif
unset env_name
unset do_prompt
alias pydoc python -m pydoc
rehash

124
.venv/bin/activate.fish
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@@ -1,124 +0,0 @@
# Copyright (c) 2020-202x The virtualenv developers
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# This file must be used using `source bin/activate.fish` *within a running fish ( http://fishshell.com ) session*.
# Do not run it directly.
function _bashify_path -d "Converts a fish path to something bash can recognize"
set fishy_path $argv
set bashy_path $fishy_path[1]
for path_part in $fishy_path[2..-1]
set bashy_path "$bashy_path:$path_part"
end
echo $bashy_path
end
function _fishify_path -d "Converts a bash path to something fish can recognize"
echo $argv | tr ':' '\n'
end
function deactivate -d 'Exit virtualenv mode and return to the normal environment.'
# reset old environment variables
if test -n "$_OLD_VIRTUAL_PATH"
# https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
if test (string sub -s 1 -l 1 $FISH_VERSION) -lt 3
set -gx PATH (_fishify_path "$_OLD_VIRTUAL_PATH")
else
set -gx PATH $_OLD_VIRTUAL_PATH
end
set -e _OLD_VIRTUAL_PATH
end
if test -n "$_OLD_VIRTUAL_PYTHONHOME"
set -gx PYTHONHOME "$_OLD_VIRTUAL_PYTHONHOME"
set -e _OLD_VIRTUAL_PYTHONHOME
end
if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
and functions -q _old_fish_prompt
# Set an empty local `$fish_function_path` to allow the removal of `fish_prompt` using `functions -e`.
set -l fish_function_path
# Erase virtualenv's `fish_prompt` and restore the original.
functions -e fish_prompt
functions -c _old_fish_prompt fish_prompt
functions -e _old_fish_prompt
set -e _OLD_FISH_PROMPT_OVERRIDE
end
set -e VIRTUAL_ENV
set -e VIRTUAL_ENV_PROMPT
if test "$argv[1]" != 'nondestructive'
# Self-destruct!
functions -e pydoc
functions -e deactivate
functions -e _bashify_path
functions -e _fishify_path
end
end
# Unset irrelevant variables.
deactivate nondestructive
set -gx VIRTUAL_ENV '/home/artiom-vyatkin/dev/tg-ws-proxy/.venv'
# https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
if test (string sub -s 1 -l 1 $FISH_VERSION) -lt 3
set -gx _OLD_VIRTUAL_PATH (_bashify_path $PATH)
else
set -gx _OLD_VIRTUAL_PATH $PATH
end
set -gx PATH "$VIRTUAL_ENV"'/bin' $PATH
# Prompt override provided?
# If not, just use the environment name.
if test -n 'tg-ws-proxy'
set -gx VIRTUAL_ENV_PROMPT 'tg-ws-proxy'
else
set -gx VIRTUAL_ENV_PROMPT (basename "$VIRTUAL_ENV")
end
# Unset `$PYTHONHOME` if set.
if set -q PYTHONHOME
set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
set -e PYTHONHOME
end
function pydoc
python -m pydoc $argv
end
if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
# Copy the current `fish_prompt` function as `_old_fish_prompt`.
functions -c fish_prompt _old_fish_prompt
function fish_prompt
# Run the user's prompt first; it might depend on (pipe)status.
set -l prompt (_old_fish_prompt)
printf '(%s) ' $VIRTUAL_ENV_PROMPT
string join -- \n $prompt # handle multi-line prompts
end
set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
end

1
.venv/bin/python
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@@ -1 +0,0 @@
/usr/bin/python3.12

1
.venv/bin/python3
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@@ -1 +0,0 @@
python

1
.venv/bin/python3.12
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@@ -1 +0,0 @@
python

BIN
.venv/lib/python3.12/site-packages/_cffi_backend.cpython-312-x86_64-linux-gnu.so
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Binary file not shown.

1
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/INSTALLER
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@@ -1 +0,0 @@
uv

68
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/METADATA
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@@ -1,68 +0,0 @@
Metadata-Version: 2.4
Name: cffi
Version: 2.0.0
Summary: Foreign Function Interface for Python calling C code.
Author: Armin Rigo, Maciej Fijalkowski
Maintainer: Matt Davis, Matt Clay, Matti Picus
License-Expression: MIT
Project-URL: Documentation, https://cffi.readthedocs.io/
Project-URL: Changelog, https://cffi.readthedocs.io/en/latest/whatsnew.html
Project-URL: Downloads, https://github.com/python-cffi/cffi/releases
Project-URL: Contact, https://groups.google.com/forum/#!forum/python-cffi
Project-URL: Source Code, https://github.com/python-cffi/cffi
Project-URL: Issue Tracker, https://github.com/python-cffi/cffi/issues
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Programming Language :: Python :: 3.14
Classifier: Programming Language :: Python :: Free Threading :: 2 - Beta
Classifier: Programming Language :: Python :: Implementation :: CPython
Requires-Python: >=3.9
Description-Content-Type: text/markdown
License-File: LICENSE
License-File: AUTHORS
Requires-Dist: pycparser; implementation_name != "PyPy"
Dynamic: license-file
[![GitHub Actions Status](https://github.com/python-cffi/cffi/actions/workflows/ci.yaml/badge.svg?branch=main)](https://github.com/python-cffi/cffi/actions/workflows/ci.yaml?query=branch%3Amain++)
[![PyPI version](https://img.shields.io/pypi/v/cffi.svg)](https://pypi.org/project/cffi)
[![Read the Docs](https://img.shields.io/badge/docs-latest-blue.svg)][Documentation]
CFFI
====
Foreign Function Interface for Python calling C code.
Please see the [Documentation] or uncompiled in the `doc/` subdirectory.
Download
--------
[Download page](https://github.com/python-cffi/cffi/releases)
Source Code
-----------
Source code is publicly available on
[GitHub](https://github.com/python-cffi/cffi).
Contact
-------
[Mailing list](https://groups.google.com/forum/#!forum/python-cffi)
Testing/development tips
------------------------
After `git clone` or `wget && tar`, we will get a directory called `cffi` or `cffi-x.x.x`. we call it `repo-directory`. To run tests under CPython, run the following in the `repo-directory`:
pip install pytest
pip install -e . # editable install of CFFI for local development
pytest src/c/ testing/
[Documentation]: http://cffi.readthedocs.org/

32
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/RECORD
View File

@@ -1,32 +0,0 @@
_cffi_backend.cpython-312-x86_64-linux-gnu.so,sha256=AGLtw5fn9u4Cmwk3BbGlsXG7VZEvQekABMyEGuRZmcE,348808
cffi-2.0.0.dist-info/INSTALLER,sha256=5hhM4Q4mYTT9z6QB6PGpUAW81PGNFrYrdXMj4oM_6ak,2
cffi-2.0.0.dist-info/METADATA,sha256=uYzn40F68Im8EtXHNBLZs7FoPM-OxzyYbDWsjJvhujk,2559
cffi-2.0.0.dist-info/RECORD,,
cffi-2.0.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
cffi-2.0.0.dist-info/WHEEL,sha256=aSgG0F4rGPZtV0iTEIfy6dtHq6g67Lze3uLfk0vWn88,151
cffi-2.0.0.dist-info/entry_points.txt,sha256=y6jTxnyeuLnL-XJcDv8uML3n6wyYiGRg8MTp_QGJ9Ho,75
cffi-2.0.0.dist-info/licenses/AUTHORS,sha256=KmemC7-zN1nWfWRf8TG45ta8TK_CMtdR_Kw-2k0xTMg,208
cffi-2.0.0.dist-info/licenses/LICENSE,sha256=W6JN3FcGf5JJrdZEw6_EGl1tw34jQz73Wdld83Cwr2M,1123
cffi-2.0.0.dist-info/top_level.txt,sha256=rE7WR3rZfNKxWI9-jn6hsHCAl7MDkB-FmuQbxWjFehQ,19
cffi/__init__.py,sha256=-ksBQ7MfDzVvbBlV_ftYBWAmEqfA86ljIzMxzaZeAlI,511
cffi/_cffi_errors.h,sha256=zQXt7uR_m8gUW-fI2hJg0KoSkJFwXv8RGUkEDZ177dQ,3908
cffi/_cffi_include.h,sha256=Exhmgm9qzHWzWivjfTe0D7Xp4rPUkVxdNuwGhMTMzbw,15055
cffi/_embedding.h,sha256=Ai33FHblE7XSpHOCp8kPcWwN5_9BV14OvN0JVa6ITpw,18786
cffi/_imp_emulation.py,sha256=RxREG8zAbI2RPGBww90u_5fi8sWdahpdipOoPzkp7C0,2960
cffi/_shimmed_dist_utils.py,sha256=Bjj2wm8yZbvFvWEx5AEfmqaqZyZFhYfoyLLQHkXZuao,2230
cffi/api.py,sha256=alBv6hZQkjpmZplBphdaRn2lPO9-CORs_M7ixabvZWI,42169
cffi/backend_ctypes.py,sha256=h5ZIzLc6BFVXnGyc9xPqZWUS7qGy7yFSDqXe68Sa8z4,42454
cffi/cffi_opcode.py,sha256=JDV5l0R0_OadBX_uE7xPPTYtMdmpp8I9UYd6av7aiDU,5731
cffi/commontypes.py,sha256=7N6zPtCFlvxXMWhHV08psUjdYIK2XgsN3yo5dgua_v4,2805
cffi/cparser.py,sha256=QUTfmlL-aO-MYR8bFGlvAUHc36OQr7XYLe0WLkGFjRo,44790
cffi/error.py,sha256=v6xTiS4U0kvDcy4h_BDRo5v39ZQuj-IMRYLv5ETddZs,877
cffi/ffiplatform.py,sha256=avxFjdikYGJoEtmJO7ewVmwG_VEVl6EZ_WaNhZYCqv4,3584
cffi/lock.py,sha256=l9TTdwMIMpi6jDkJGnQgE9cvTIR7CAntIJr8EGHt3pY,747
cffi/model.py,sha256=W30UFQZE73jL5Mx5N81YT77us2W2iJjTm0XYfnwz1cg,21797
cffi/parse_c_type.h,sha256=OdwQfwM9ktq6vlCB43exFQmxDBtj2MBNdK8LYl15tjw,5976
cffi/pkgconfig.py,sha256=LP1w7vmWvmKwyqLaU1Z243FOWGNQMrgMUZrvgFuOlco,4374
cffi/recompiler.py,sha256=78J6lMEEOygXNmjN9-fOFFO3j7eW-iFxSrxfvQb54bY,65509
cffi/setuptools_ext.py,sha256=0rCwBJ1W7FHWtiMKfNXsSST88V8UXrui5oeXFlDNLG8,9411
cffi/vengine_cpy.py,sha256=oyQKD23kpE0aChUKA8Jg0e723foPiYzLYEdb-J0MiNs,43881
cffi/vengine_gen.py,sha256=DUlEIrDiVin1Pnhn1sfoamnS5NLqfJcOdhRoeSNeJRg,26939
cffi/verifier.py,sha256=oX8jpaohg2Qm3aHcznidAdvrVm5N4sQYG0a3Eo5mIl4,11182

6
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/WHEEL
View File

@@ -1,6 +0,0 @@
Wheel-Version: 1.0
Generator: setuptools (80.9.0)
Root-Is-Purelib: false
Tag: cp312-cp312-manylinux_2_17_x86_64
Tag: cp312-cp312-manylinux2014_x86_64

2
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/entry_points.txt
View File

@@ -1,2 +0,0 @@
[distutils.setup_keywords]
cffi_modules = cffi.setuptools_ext:cffi_modules

8
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/licenses/AUTHORS
View File

@@ -1,8 +0,0 @@
This package has been mostly done by Armin Rigo with help from
Maciej Fijałkowski. The idea is heavily based (although not directly
copied) from LuaJIT ffi by Mike Pall.
Other contributors:
Google Inc.

23
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/licenses/LICENSE
View File

@@ -1,23 +0,0 @@
Except when otherwise stated (look for LICENSE files in directories or
information at the beginning of each file) all software and
documentation is licensed as follows:
MIT No Attribution
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the
Software is furnished to do so.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

2
.venv/lib/python3.12/site-packages/cffi-2.0.0.dist-info/top_level.txt
View File

@@ -1,2 +0,0 @@
_cffi_backend
cffi

14
.venv/lib/python3.12/site-packages/cffi/__init__.py
View File

@@ -1,14 +0,0 @@
__all__ = ['FFI', 'VerificationError', 'VerificationMissing', 'CDefError',
'FFIError']
from .api import FFI
from .error import CDefError, FFIError, VerificationError, VerificationMissing
from .error import PkgConfigError
__version__ = "2.0.0"
__version_info__ = (2, 0, 0)
# The verifier module file names are based on the CRC32 of a string that
# contains the following version number. It may be older than __version__
# if nothing is clearly incompatible.
__version_verifier_modules__ = "0.8.6"

149
.venv/lib/python3.12/site-packages/cffi/_cffi_errors.h
View File

@@ -1,149 +0,0 @@
#ifndef CFFI_MESSAGEBOX
# ifdef _MSC_VER
# define CFFI_MESSAGEBOX 1
# else
# define CFFI_MESSAGEBOX 0
# endif
#endif
#if CFFI_MESSAGEBOX
/* Windows only: logic to take the Python-CFFI embedding logic
initialization errors and display them in a background thread
with MessageBox. The idea is that if the whole program closes
as a result of this problem, then likely it is already a console
program and you can read the stderr output in the console too.
If it is not a console program, then it will likely show its own
dialog to complain, or generally not abruptly close, and for this
case the background thread should stay alive.
*/
static void *volatile _cffi_bootstrap_text;
static PyObject *_cffi_start_error_capture(void)
{
PyObject *result = NULL;
PyObject *x, *m, *bi;
if (InterlockedCompareExchangePointer(&_cffi_bootstrap_text,
(void *)1, NULL) != NULL)
return (PyObject *)1;
m = PyImport_AddModule("_cffi_error_capture");
if (m == NULL)
goto error;
result = PyModule_GetDict(m);
if (result == NULL)
goto error;
#if PY_MAJOR_VERSION >= 3
bi = PyImport_ImportModule("builtins");
#else
bi = PyImport_ImportModule("__builtin__");
#endif
if (bi == NULL)
goto error;
PyDict_SetItemString(result, "__builtins__", bi);
Py_DECREF(bi);
x = PyRun_String(
"import sys\n"
"class FileLike:\n"
" def write(self, x):\n"
" try:\n"
" of.write(x)\n"
" except: pass\n"
" self.buf += x\n"
" def flush(self):\n"
" pass\n"
"fl = FileLike()\n"
"fl.buf = ''\n"
"of = sys.stderr\n"
"sys.stderr = fl\n"
"def done():\n"
" sys.stderr = of\n"
" return fl.buf\n", /* make sure the returned value stays alive */
Py_file_input,
result, result);
Py_XDECREF(x);
error:
if (PyErr_Occurred())
{
PyErr_WriteUnraisable(Py_None);
PyErr_Clear();
}
return result;
}
#pragma comment(lib, "user32.lib")
static DWORD WINAPI _cffi_bootstrap_dialog(LPVOID ignored)
{
Sleep(666); /* may be interrupted if the whole process is closing */
#if PY_MAJOR_VERSION >= 3
MessageBoxW(NULL, (wchar_t *)_cffi_bootstrap_text,
L"Python-CFFI error",
MB_OK | MB_ICONERROR);
#else
MessageBoxA(NULL, (char *)_cffi_bootstrap_text,
"Python-CFFI error",
MB_OK | MB_ICONERROR);
#endif
_cffi_bootstrap_text = NULL;
return 0;
}
static void _cffi_stop_error_capture(PyObject *ecap)
{
PyObject *s;
void *text;
if (ecap == (PyObject *)1)
return;
if (ecap == NULL)
goto error;
s = PyRun_String("done()", Py_eval_input, ecap, ecap);
if (s == NULL)
goto error;
/* Show a dialog box, but in a background thread, and
never show multiple dialog boxes at once. */
#if PY_MAJOR_VERSION >= 3
text = PyUnicode_AsWideCharString(s, NULL);
#else
text = PyString_AsString(s);
#endif
_cffi_bootstrap_text = text;
if (text != NULL)
{
HANDLE h;
h = CreateThread(NULL, 0, _cffi_bootstrap_dialog,
NULL, 0, NULL);
if (h != NULL)
CloseHandle(h);
}
/* decref the string, but it should stay alive as 'fl.buf'
in the small module above. It will really be freed only if
we later get another similar error. So it's a leak of at
most one copy of the small module. That's fine for this
situation which is usually a "fatal error" anyway. */
Py_DECREF(s);
PyErr_Clear();
return;
error:
_cffi_bootstrap_text = NULL;
PyErr_Clear();
}
#else
static PyObject *_cffi_start_error_capture(void) { return NULL; }
static void _cffi_stop_error_capture(PyObject *ecap) { }
#endif

389
.venv/lib/python3.12/site-packages/cffi/_cffi_include.h
View File

@@ -1,389 +0,0 @@
#define _CFFI_
/* We try to define Py_LIMITED_API before including Python.h.
Mess: we can only define it if Py_DEBUG, Py_TRACE_REFS and
Py_REF_DEBUG are not defined. This is a best-effort approximation:
we can learn about Py_DEBUG from pyconfig.h, but it is unclear if
the same works for the other two macros. Py_DEBUG implies them,
but not the other way around.
The implementation is messy (issue #350): on Windows, with _MSC_VER,
we have to define Py_LIMITED_API even before including pyconfig.h.
In that case, we guess what pyconfig.h will do to the macros above,
and check our guess after the #include.
Note that on Windows, with CPython 3.x, you need >= 3.5 and virtualenv
version >= 16.0.0. With older versions of either, you don't get a
copy of PYTHON3.DLL in the virtualenv. We can't check the version of
CPython *before* we even include pyconfig.h. ffi.set_source() puts
a ``#define _CFFI_NO_LIMITED_API'' at the start of this file if it is
running on Windows < 3.5, as an attempt at fixing it, but that's
arguably wrong because it may not be the target version of Python.
Still better than nothing I guess. As another workaround, you can
remove the definition of Py_LIMITED_API here.
See also 'py_limited_api' in cffi/setuptools_ext.py.
*/
#if !defined(_CFFI_USE_EMBEDDING) && !defined(Py_LIMITED_API)
# ifdef _MSC_VER
# if !defined(_DEBUG) && !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API)
# define Py_LIMITED_API
# endif
# include <pyconfig.h>
/* sanity-check: Py_LIMITED_API will cause crashes if any of these
are also defined. Normally, the Python file PC/pyconfig.h does not
cause any of these to be defined, with the exception that _DEBUG
causes Py_DEBUG. Double-check that. */
# ifdef Py_LIMITED_API
# if defined(Py_DEBUG)
# error "pyconfig.h unexpectedly defines Py_DEBUG, but Py_LIMITED_API is set"
# endif
# if defined(Py_TRACE_REFS)
# error "pyconfig.h unexpectedly defines Py_TRACE_REFS, but Py_LIMITED_API is set"
# endif
# if defined(Py_REF_DEBUG)
# error "pyconfig.h unexpectedly defines Py_REF_DEBUG, but Py_LIMITED_API is set"
# endif
# endif
# else
# include <pyconfig.h>
# if !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API)
# define Py_LIMITED_API
# endif
# endif
#endif
#include <Python.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include "parse_c_type.h"
/* this block of #ifs should be kept exactly identical between
c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py
and cffi/_cffi_include.h */
#if defined(_MSC_VER)
# include <malloc.h> /* for alloca() */
# if _MSC_VER < 1600 /* MSVC < 2010 */
typedef __int8 int8_t;
typedef __int16 int16_t;
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
typedef __int8 int_least8_t;
typedef __int16 int_least16_t;
typedef __int32 int_least32_t;
typedef __int64 int_least64_t;
typedef unsigned __int8 uint_least8_t;
typedef unsigned __int16 uint_least16_t;
typedef unsigned __int32 uint_least32_t;
typedef unsigned __int64 uint_least64_t;
typedef __int8 int_fast8_t;
typedef __int16 int_fast16_t;
typedef __int32 int_fast32_t;
typedef __int64 int_fast64_t;
typedef unsigned __int8 uint_fast8_t;
typedef unsigned __int16 uint_fast16_t;
typedef unsigned __int32 uint_fast32_t;
typedef unsigned __int64 uint_fast64_t;
typedef __int64 intmax_t;
typedef unsigned __int64 uintmax_t;
# else
# include <stdint.h>
# endif
# if _MSC_VER < 1800 /* MSVC < 2013 */
# ifndef __cplusplus
typedef unsigned char _Bool;
# endif
# endif
# define _cffi_float_complex_t _Fcomplex /* include <complex.h> for it */
# define _cffi_double_complex_t _Dcomplex /* include <complex.h> for it */
#else
# include <stdint.h>
# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux)
# include <alloca.h>
# endif
# define _cffi_float_complex_t float _Complex
# define _cffi_double_complex_t double _Complex
#endif
#ifdef __GNUC__
# define _CFFI_UNUSED_FN __attribute__((unused))
#else
# define _CFFI_UNUSED_FN /* nothing */
#endif
#ifdef __cplusplus
# ifndef _Bool
typedef bool _Bool; /* semi-hackish: C++ has no _Bool; bool is builtin */
# endif
#endif
/********** CPython-specific section **********/
#ifndef PYPY_VERSION
#if PY_MAJOR_VERSION >= 3
# define PyInt_FromLong PyLong_FromLong
#endif
#define _cffi_from_c_double PyFloat_FromDouble
#define _cffi_from_c_float PyFloat_FromDouble
#define _cffi_from_c_long PyInt_FromLong
#define _cffi_from_c_ulong PyLong_FromUnsignedLong
#define _cffi_from_c_longlong PyLong_FromLongLong
#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong
#define _cffi_from_c__Bool PyBool_FromLong
#define _cffi_to_c_double PyFloat_AsDouble
#define _cffi_to_c_float PyFloat_AsDouble
#define _cffi_from_c_int(x, type) \
(((type)-1) > 0 ? /* unsigned */ \
(sizeof(type) < sizeof(long) ? \
PyInt_FromLong((long)x) : \
sizeof(type) == sizeof(long) ? \
PyLong_FromUnsignedLong((unsigned long)x) : \
PyLong_FromUnsignedLongLong((unsigned long long)x)) : \
(sizeof(type) <= sizeof(long) ? \
PyInt_FromLong((long)x) : \
PyLong_FromLongLong((long long)x)))
#define _cffi_to_c_int(o, type) \
((type)( \
sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o) \
: (type)_cffi_to_c_i8(o)) : \
sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o) \
: (type)_cffi_to_c_i16(o)) : \
sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o) \
: (type)_cffi_to_c_i32(o)) : \
sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o) \
: (type)_cffi_to_c_i64(o)) : \
(Py_FatalError("unsupported size for type " #type), (type)0)))
#define _cffi_to_c_i8 \
((int(*)(PyObject *))_cffi_exports[1])
#define _cffi_to_c_u8 \
((int(*)(PyObject *))_cffi_exports[2])
#define _cffi_to_c_i16 \
((int(*)(PyObject *))_cffi_exports[3])
#define _cffi_to_c_u16 \
((int(*)(PyObject *))_cffi_exports[4])
#define _cffi_to_c_i32 \
((int(*)(PyObject *))_cffi_exports[5])
#define _cffi_to_c_u32 \
((unsigned int(*)(PyObject *))_cffi_exports[6])
#define _cffi_to_c_i64 \
((long long(*)(PyObject *))_cffi_exports[7])
#define _cffi_to_c_u64 \
((unsigned long long(*)(PyObject *))_cffi_exports[8])
#define _cffi_to_c_char \
((int(*)(PyObject *))_cffi_exports[9])
#define _cffi_from_c_pointer \
((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[10])
#define _cffi_to_c_pointer \
((char *(*)(PyObject *, struct _cffi_ctypedescr *))_cffi_exports[11])
#define _cffi_get_struct_layout \
not used any more
#define _cffi_restore_errno \
((void(*)(void))_cffi_exports[13])
#define _cffi_save_errno \
((void(*)(void))_cffi_exports[14])
#define _cffi_from_c_char \
((PyObject *(*)(char))_cffi_exports[15])
#define _cffi_from_c_deref \
((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[16])
#define _cffi_to_c \
((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[17])
#define _cffi_from_c_struct \
((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[18])
#define _cffi_to_c_wchar_t \
((_cffi_wchar_t(*)(PyObject *))_cffi_exports[19])
#define _cffi_from_c_wchar_t \
((PyObject *(*)(_cffi_wchar_t))_cffi_exports[20])
#define _cffi_to_c_long_double \
((long double(*)(PyObject *))_cffi_exports[21])
#define _cffi_to_c__Bool \
((_Bool(*)(PyObject *))_cffi_exports[22])
#define _cffi_prepare_pointer_call_argument \
((Py_ssize_t(*)(struct _cffi_ctypedescr *, \
PyObject *, char **))_cffi_exports[23])
#define _cffi_convert_array_from_object \
((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[24])
#define _CFFI_CPIDX 25
#define _cffi_call_python \
((void(*)(struct _cffi_externpy_s *, char *))_cffi_exports[_CFFI_CPIDX])
#define _cffi_to_c_wchar3216_t \
((int(*)(PyObject *))_cffi_exports[26])
#define _cffi_from_c_wchar3216_t \
((PyObject *(*)(int))_cffi_exports[27])
#define _CFFI_NUM_EXPORTS 28
struct _cffi_ctypedescr;
static void *_cffi_exports[_CFFI_NUM_EXPORTS];
#define _cffi_type(index) ( \
assert((((uintptr_t)_cffi_types[index]) & 1) == 0), \
(struct _cffi_ctypedescr *)_cffi_types[index])
static PyObject *_cffi_init(const char *module_name, Py_ssize_t version,
const struct _cffi_type_context_s *ctx)
{
PyObject *module, *o_arg, *new_module;
void *raw[] = {
(void *)module_name,
(void *)version,
(void *)_cffi_exports,
(void *)ctx,
};
module = PyImport_ImportModule("_cffi_backend");
if (module == NULL)
goto failure;
o_arg = PyLong_FromVoidPtr((void *)raw);
if (o_arg == NULL)
goto failure;
new_module = PyObject_CallMethod(
module, (char *)"_init_cffi_1_0_external_module", (char *)"O", o_arg);
Py_DECREF(o_arg);
Py_DECREF(module);
return new_module;
failure:
Py_XDECREF(module);
return NULL;
}
#ifdef HAVE_WCHAR_H
typedef wchar_t _cffi_wchar_t;
#else
typedef uint16_t _cffi_wchar_t; /* same random pick as _cffi_backend.c */
#endif
_CFFI_UNUSED_FN static uint16_t _cffi_to_c_char16_t(PyObject *o)
{
if (sizeof(_cffi_wchar_t) == 2)
return (uint16_t)_cffi_to_c_wchar_t(o);
else
return (uint16_t)_cffi_to_c_wchar3216_t(o);
}
_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char16_t(uint16_t x)
{
if (sizeof(_cffi_wchar_t) == 2)
return _cffi_from_c_wchar_t((_cffi_wchar_t)x);
else
return _cffi_from_c_wchar3216_t((int)x);
}
_CFFI_UNUSED_FN static int _cffi_to_c_char32_t(PyObject *o)
{
if (sizeof(_cffi_wchar_t) == 4)
return (int)_cffi_to_c_wchar_t(o);
else
return (int)_cffi_to_c_wchar3216_t(o);
}
_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char32_t(unsigned int x)
{
if (sizeof(_cffi_wchar_t) == 4)
return _cffi_from_c_wchar_t((_cffi_wchar_t)x);
else
return _cffi_from_c_wchar3216_t((int)x);
}
union _cffi_union_alignment_u {
unsigned char m_char;
unsigned short m_short;
unsigned int m_int;
unsigned long m_long;
unsigned long long m_longlong;
float m_float;
double m_double;
long double m_longdouble;
};
struct _cffi_freeme_s {
struct _cffi_freeme_s *next;
union _cffi_union_alignment_u alignment;
};
_CFFI_UNUSED_FN static int
_cffi_convert_array_argument(struct _cffi_ctypedescr *ctptr, PyObject *arg,
char **output_data, Py_ssize_t datasize,
struct _cffi_freeme_s **freeme)
{
char *p;
if (datasize < 0)
return -1;
p = *output_data;
if (p == NULL) {
struct _cffi_freeme_s *fp = (struct _cffi_freeme_s *)PyObject_Malloc(
offsetof(struct _cffi_freeme_s, alignment) + (size_t)datasize);
if (fp == NULL)
return -1;
fp->next = *freeme;
*freeme = fp;
p = *output_data = (char *)&fp->alignment;
}
memset((void *)p, 0, (size_t)datasize);
return _cffi_convert_array_from_object(p, ctptr, arg);
}
_CFFI_UNUSED_FN static void
_cffi_free_array_arguments(struct _cffi_freeme_s *freeme)
{
do {
void *p = (void *)freeme;
freeme = freeme->next;
PyObject_Free(p);
} while (freeme != NULL);
}
/********** end CPython-specific section **********/
#else
_CFFI_UNUSED_FN
static void (*_cffi_call_python_org)(struct _cffi_externpy_s *, char *);
# define _cffi_call_python _cffi_call_python_org
#endif
#define _cffi_array_len(array) (sizeof(array) / sizeof((array)[0]))
#define _cffi_prim_int(size, sign) \
((size) == 1 ? ((sign) ? _CFFI_PRIM_INT8 : _CFFI_PRIM_UINT8) : \
(size) == 2 ? ((sign) ? _CFFI_PRIM_INT16 : _CFFI_PRIM_UINT16) : \
(size) == 4 ? ((sign) ? _CFFI_PRIM_INT32 : _CFFI_PRIM_UINT32) : \
(size) == 8 ? ((sign) ? _CFFI_PRIM_INT64 : _CFFI_PRIM_UINT64) : \
_CFFI__UNKNOWN_PRIM)
#define _cffi_prim_float(size) \
((size) == sizeof(float) ? _CFFI_PRIM_FLOAT : \
(size) == sizeof(double) ? _CFFI_PRIM_DOUBLE : \
(size) == sizeof(long double) ? _CFFI__UNKNOWN_LONG_DOUBLE : \
_CFFI__UNKNOWN_FLOAT_PRIM)
#define _cffi_check_int(got, got_nonpos, expected) \
((got_nonpos) == (expected <= 0) && \
(got) == (unsigned long long)expected)
#ifdef MS_WIN32
# define _cffi_stdcall __stdcall
#else
# define _cffi_stdcall /* nothing */
#endif
#ifdef __cplusplus
}
#endif

550
.venv/lib/python3.12/site-packages/cffi/_embedding.h
View File

@@ -1,550 +0,0 @@
/***** Support code for embedding *****/
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_WIN32)
# define CFFI_DLLEXPORT __declspec(dllexport)
#elif defined(__GNUC__)
# define CFFI_DLLEXPORT __attribute__((visibility("default")))
#else
# define CFFI_DLLEXPORT /* nothing */
#endif
/* There are two global variables of type _cffi_call_python_fnptr:
* _cffi_call_python, which we declare just below, is the one called
by ``extern "Python"`` implementations.
* _cffi_call_python_org, which on CPython is actually part of the
_cffi_exports[] array, is the function pointer copied from
_cffi_backend. If _cffi_start_python() fails, then this is set
to NULL; otherwise, it should never be NULL.
After initialization is complete, both are equal. However, the
first one remains equal to &_cffi_start_and_call_python until the
very end of initialization, when we are (or should be) sure that
concurrent threads also see a completely initialized world, and
only then is it changed.
*/
#undef _cffi_call_python
typedef void (*_cffi_call_python_fnptr)(struct _cffi_externpy_s *, char *);
static void _cffi_start_and_call_python(struct _cffi_externpy_s *, char *);
static _cffi_call_python_fnptr _cffi_call_python = &_cffi_start_and_call_python;
#ifndef _MSC_VER
/* --- Assuming a GCC not infinitely old --- */
# define cffi_compare_and_swap(l,o,n) __sync_bool_compare_and_swap(l,o,n)
# define cffi_write_barrier() __sync_synchronize()
# if !defined(__amd64__) && !defined(__x86_64__) && \
!defined(__i386__) && !defined(__i386)
# define cffi_read_barrier() __sync_synchronize()
# else
# define cffi_read_barrier() (void)0
# endif
#else
/* --- Windows threads version --- */
# include <Windows.h>
# define cffi_compare_and_swap(l,o,n) \
(InterlockedCompareExchangePointer(l,n,o) == (o))
# define cffi_write_barrier() InterlockedCompareExchange(&_cffi_dummy,0,0)
# define cffi_read_barrier() (void)0
static volatile LONG _cffi_dummy;
#endif
#ifdef WITH_THREAD
# ifndef _MSC_VER
# include <pthread.h>
static pthread_mutex_t _cffi_embed_startup_lock;
# else
static CRITICAL_SECTION _cffi_embed_startup_lock;
# endif
static char _cffi_embed_startup_lock_ready = 0;
#endif
static void _cffi_acquire_reentrant_mutex(void)
{
static void *volatile lock = NULL;
while (!cffi_compare_and_swap(&lock, NULL, (void *)1)) {
/* should ideally do a spin loop instruction here, but
hard to do it portably and doesn't really matter I
think: pthread_mutex_init() should be very fast, and
this is only run at start-up anyway. */
}
#ifdef WITH_THREAD
if (!_cffi_embed_startup_lock_ready) {
# ifndef _MSC_VER
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&_cffi_embed_startup_lock, &attr);
# else
InitializeCriticalSection(&_cffi_embed_startup_lock);
# endif
_cffi_embed_startup_lock_ready = 1;
}
#endif
while (!cffi_compare_and_swap(&lock, (void *)1, NULL))
;
#ifndef _MSC_VER
pthread_mutex_lock(&_cffi_embed_startup_lock);
#else
EnterCriticalSection(&_cffi_embed_startup_lock);
#endif
}
static void _cffi_release_reentrant_mutex(void)
{
#ifndef _MSC_VER
pthread_mutex_unlock(&_cffi_embed_startup_lock);
#else
LeaveCriticalSection(&_cffi_embed_startup_lock);
#endif
}
/********** CPython-specific section **********/
#ifndef PYPY_VERSION
#include "_cffi_errors.h"
#define _cffi_call_python_org _cffi_exports[_CFFI_CPIDX]
PyMODINIT_FUNC _CFFI_PYTHON_STARTUP_FUNC(void); /* forward */
static void _cffi_py_initialize(void)
{
/* XXX use initsigs=0, which "skips initialization registration of
signal handlers, which might be useful when Python is
embedded" according to the Python docs. But review and think
if it should be a user-controllable setting.
XXX we should also give a way to write errors to a buffer
instead of to stderr.
XXX if importing 'site' fails, CPython (any version) calls
exit(). Should we try to work around this behavior here?
*/
Py_InitializeEx(0);
}
static int _cffi_initialize_python(void)
{
/* This initializes Python, imports _cffi_backend, and then the
present .dll/.so is set up as a CPython C extension module.
*/
int result;
PyGILState_STATE state;
PyObject *pycode=NULL, *global_dict=NULL, *x;
PyObject *builtins;
state = PyGILState_Ensure();
/* Call the initxxx() function from the present module. It will
create and initialize us as a CPython extension module, instead
of letting the startup Python code do it---it might reimport
the same .dll/.so and get maybe confused on some platforms.
It might also have troubles locating the .dll/.so again for all
I know.
*/
(void)_CFFI_PYTHON_STARTUP_FUNC();
if (PyErr_Occurred())
goto error;
/* Now run the Python code provided to ffi.embedding_init_code().
*/
pycode = Py_CompileString(_CFFI_PYTHON_STARTUP_CODE,
"<init code for '" _CFFI_MODULE_NAME "'>",
Py_file_input);
if (pycode == NULL)
goto error;
global_dict = PyDict_New();
if (global_dict == NULL)
goto error;
builtins = PyEval_GetBuiltins();
if (builtins == NULL)
goto error;
if (PyDict_SetItemString(global_dict, "__builtins__", builtins) < 0)
goto error;
x = PyEval_EvalCode(
#if PY_MAJOR_VERSION < 3
(PyCodeObject *)
#endif
pycode, global_dict, global_dict);
if (x == NULL)
goto error;
Py_DECREF(x);
/* Done! Now if we've been called from
_cffi_start_and_call_python() in an ``extern "Python"``, we can
only hope that the Python code did correctly set up the
corresponding @ffi.def_extern() function. Otherwise, the
general logic of ``extern "Python"`` functions (inside the
_cffi_backend module) will find that the reference is still
missing and print an error.
*/
result = 0;
done:
Py_XDECREF(pycode);
Py_XDECREF(global_dict);
PyGILState_Release(state);
return result;
error:;
{
/* Print as much information as potentially useful.
Debugging load-time failures with embedding is not fun
*/
PyObject *ecap;
PyObject *exception, *v, *tb, *f, *modules, *mod;
PyErr_Fetch(&exception, &v, &tb);
ecap = _cffi_start_error_capture();
f = PySys_GetObject((char *)"stderr");
if (f != NULL && f != Py_None) {
PyFile_WriteString(
"Failed to initialize the Python-CFFI embedding logic:\n\n", f);
}
if (exception != NULL) {
PyErr_NormalizeException(&exception, &v, &tb);
PyErr_Display(exception, v, tb);
}
Py_XDECREF(exception);
Py_XDECREF(v);
Py_XDECREF(tb);
if (f != NULL && f != Py_None) {
PyFile_WriteString("\nFrom: " _CFFI_MODULE_NAME
"\ncompiled with cffi version: 2.0.0"
"\n_cffi_backend module: ", f);
modules = PyImport_GetModuleDict();
mod = PyDict_GetItemString(modules, "_cffi_backend");
if (mod == NULL) {
PyFile_WriteString("not loaded", f);
}
else {
v = PyObject_GetAttrString(mod, "__file__");
PyFile_WriteObject(v, f, 0);
Py_XDECREF(v);
}
PyFile_WriteString("\nsys.path: ", f);
PyFile_WriteObject(PySys_GetObject((char *)"path"), f, 0);
PyFile_WriteString("\n\n", f);
}
_cffi_stop_error_capture(ecap);
}
result = -1;
goto done;
}
#if PY_VERSION_HEX < 0x03080000
PyAPI_DATA(char *) _PyParser_TokenNames[]; /* from CPython */
#endif
static int _cffi_carefully_make_gil(void)
{
/* This does the basic initialization of Python. It can be called
completely concurrently from unrelated threads. It assumes
that we don't hold the GIL before (if it exists), and we don't
hold it afterwards.
(What it really does used to be completely different in Python 2
and Python 3, with the Python 2 solution avoiding the spin-lock
around the Py_InitializeEx() call. However, after recent changes
to CPython 2.7 (issue #358) it no longer works. So we use the
Python 3 solution everywhere.)
This initializes Python by calling Py_InitializeEx().
Important: this must not be called concurrently at all.
So we use a global variable as a simple spin lock. This global
variable must be from 'libpythonX.Y.so', not from this
cffi-based extension module, because it must be shared from
different cffi-based extension modules.
In Python < 3.8, we choose
_PyParser_TokenNames[0] as a completely arbitrary pointer value
that is never written to. The default is to point to the
string "ENDMARKER". We change it temporarily to point to the
next character in that string. (Yes, I know it's REALLY
obscure.)
In Python >= 3.8, this string array is no longer writable, so
instead we pick PyCapsuleType.tp_version_tag. We can't change
Python < 3.8 because someone might use a mixture of cffi
embedded modules, some of which were compiled before this file
changed.
In Python >= 3.12, this stopped working because that particular
tp_version_tag gets modified during interpreter startup. It's
arguably a bad idea before 3.12 too, but again we can't change
that because someone might use a mixture of cffi embedded
modules, and no-one reported a bug so far. In Python >= 3.12
we go instead for PyCapsuleType.tp_as_buffer, which is supposed
to always be NULL. We write to it temporarily a pointer to
a struct full of NULLs, which is semantically the same.
*/
#ifdef WITH_THREAD
# if PY_VERSION_HEX < 0x03080000
char *volatile *lock = (char *volatile *)_PyParser_TokenNames;
char *old_value, *locked_value;
while (1) { /* spin loop */
old_value = *lock;
locked_value = old_value + 1;
if (old_value[0] == 'E') {
assert(old_value[1] == 'N');
if (cffi_compare_and_swap(lock, old_value, locked_value))
break;
}
else {
assert(old_value[0] == 'N');
/* should ideally do a spin loop instruction here, but
hard to do it portably and doesn't really matter I
think: PyEval_InitThreads() should be very fast, and
this is only run at start-up anyway. */
}
}
# else
# if PY_VERSION_HEX < 0x030C0000
int volatile *lock = (int volatile *)&PyCapsule_Type.tp_version_tag;
int old_value, locked_value = -42;
assert(!(PyCapsule_Type.tp_flags & Py_TPFLAGS_HAVE_VERSION_TAG));
# else
static struct ebp_s { PyBufferProcs buf; int mark; } empty_buffer_procs;
empty_buffer_procs.mark = -42;
PyBufferProcs *volatile *lock = (PyBufferProcs *volatile *)
&PyCapsule_Type.tp_as_buffer;
PyBufferProcs *old_value, *locked_value = &empty_buffer_procs.buf;
# endif
while (1) { /* spin loop */
old_value = *lock;
if (old_value == 0) {
if (cffi_compare_and_swap(lock, old_value, locked_value))
break;
}
else {
# if PY_VERSION_HEX < 0x030C0000
assert(old_value == locked_value);
# else
/* The pointer should point to a possibly different
empty_buffer_procs from another C extension module */
assert(((struct ebp_s *)old_value)->mark == -42);
# endif
/* should ideally do a spin loop instruction here, but
hard to do it portably and doesn't really matter I
think: PyEval_InitThreads() should be very fast, and
this is only run at start-up anyway. */
}
}
# endif
#endif
/* call Py_InitializeEx() */
if (!Py_IsInitialized()) {
_cffi_py_initialize();
#if PY_VERSION_HEX < 0x03070000
PyEval_InitThreads();
#endif
PyEval_SaveThread(); /* release the GIL */
/* the returned tstate must be the one that has been stored into the
autoTLSkey by _PyGILState_Init() called from Py_Initialize(). */
}
else {
#if PY_VERSION_HEX < 0x03070000
/* PyEval_InitThreads() is always a no-op from CPython 3.7 */
PyGILState_STATE state = PyGILState_Ensure();
PyEval_InitThreads();
PyGILState_Release(state);
#endif
}
#ifdef WITH_THREAD
/* release the lock */
while (!cffi_compare_and_swap(lock, locked_value, old_value))
;
#endif
return 0;
}
/********** end CPython-specific section **********/
#else
/********** PyPy-specific section **********/
PyMODINIT_FUNC _CFFI_PYTHON_STARTUP_FUNC(const void *[]); /* forward */
static struct _cffi_pypy_init_s {
const char *name;
void *func; /* function pointer */
const char *code;
} _cffi_pypy_init = {
_CFFI_MODULE_NAME,
_CFFI_PYTHON_STARTUP_FUNC,
_CFFI_PYTHON_STARTUP_CODE,
};
extern int pypy_carefully_make_gil(const char *);
extern int pypy_init_embedded_cffi_module(int, struct _cffi_pypy_init_s *);
static int _cffi_carefully_make_gil(void)
{
return pypy_carefully_make_gil(_CFFI_MODULE_NAME);
}
static int _cffi_initialize_python(void)
{
return pypy_init_embedded_cffi_module(0xB011, &_cffi_pypy_init);
}
/********** end PyPy-specific section **********/
#endif
#ifdef __GNUC__
__attribute__((noinline))
#endif
static _cffi_call_python_fnptr _cffi_start_python(void)
{
/* Delicate logic to initialize Python. This function can be
called multiple times concurrently, e.g. when the process calls
its first ``extern "Python"`` functions in multiple threads at
once. It can also be called recursively, in which case we must
ignore it. We also have to consider what occurs if several
different cffi-based extensions reach this code in parallel
threads---it is a different copy of the code, then, and we
can't have any shared global variable unless it comes from
'libpythonX.Y.so'.
Idea:
* _cffi_carefully_make_gil(): "carefully" call
PyEval_InitThreads() (possibly with Py_InitializeEx() first).
* then we use a (local) custom lock to make sure that a call to this
cffi-based extension will wait if another call to the *same*
extension is running the initialization in another thread.
It is reentrant, so that a recursive call will not block, but
only one from a different thread.
* then we grab the GIL and (Python 2) we call Py_InitializeEx().
At this point, concurrent calls to Py_InitializeEx() are not
possible: we have the GIL.
* do the rest of the specific initialization, which may
temporarily release the GIL but not the custom lock.
Only release the custom lock when we are done.
*/
static char called = 0;
if (_cffi_carefully_make_gil() != 0)
return NULL;
_cffi_acquire_reentrant_mutex();
/* Here the GIL exists, but we don't have it. We're only protected
from concurrency by the reentrant mutex. */
/* This file only initializes the embedded module once, the first
time this is called, even if there are subinterpreters. */
if (!called) {
called = 1; /* invoke _cffi_initialize_python() only once,
but don't set '_cffi_call_python' right now,
otherwise concurrent threads won't call
this function at all (we need them to wait) */
if (_cffi_initialize_python() == 0) {
/* now initialization is finished. Switch to the fast-path. */
/* We would like nobody to see the new value of
'_cffi_call_python' without also seeing the rest of the
data initialized. However, this is not possible. But
the new value of '_cffi_call_python' is the function
'cffi_call_python()' from _cffi_backend. So: */
cffi_write_barrier();
/* ^^^ we put a write barrier here, and a corresponding
read barrier at the start of cffi_call_python(). This
ensures that after that read barrier, we see everything
done here before the write barrier.
*/
assert(_cffi_call_python_org != NULL);
_cffi_call_python = (_cffi_call_python_fnptr)_cffi_call_python_org;
}
else {
/* initialization failed. Reset this to NULL, even if it was
already set to some other value. Future calls to
_cffi_start_python() are still forced to occur, and will
always return NULL from now on. */
_cffi_call_python_org = NULL;
}
}
_cffi_release_reentrant_mutex();
return (_cffi_call_python_fnptr)_cffi_call_python_org;
}
static
void _cffi_start_and_call_python(struct _cffi_externpy_s *externpy, char *args)
{
_cffi_call_python_fnptr fnptr;
int current_err = errno;
#ifdef _MSC_VER
int current_lasterr = GetLastError();
#endif
fnptr = _cffi_start_python();
if (fnptr == NULL) {
fprintf(stderr, "function %s() called, but initialization code "
"failed. Returning 0.\n", externpy->name);
memset(args, 0, externpy->size_of_result);
}
#ifdef _MSC_VER
SetLastError(current_lasterr);
#endif
errno = current_err;
if (fnptr != NULL)
fnptr(externpy, args);
}
/* The cffi_start_python() function makes sure Python is initialized
and our cffi module is set up. It can be called manually from the
user C code. The same effect is obtained automatically from any
dll-exported ``extern "Python"`` function. This function returns
-1 if initialization failed, 0 if all is OK. */
_CFFI_UNUSED_FN
static int cffi_start_python(void)
{
if (_cffi_call_python == &_cffi_start_and_call_python) {
if (_cffi_start_python() == NULL)
return -1;
}
cffi_read_barrier();
return 0;
}
#undef cffi_compare_and_swap
#undef cffi_write_barrier
#undef cffi_read_barrier
#ifdef __cplusplus
}
#endif

83
.venv/lib/python3.12/site-packages/cffi/_imp_emulation.py
View File

@@ -1,83 +0,0 @@
try:
# this works on Python < 3.12
from imp import *
except ImportError:
# this is a limited emulation for Python >= 3.12.
# Note that this is used only for tests or for the old ffi.verify().
# This is copied from the source code of Python 3.11.
from _imp import (acquire_lock, release_lock,
is_builtin, is_frozen)
from importlib._bootstrap import _load
from importlib import machinery
import os
import sys
import tokenize
SEARCH_ERROR = 0
PY_SOURCE = 1
PY_COMPILED = 2
C_EXTENSION = 3
PY_RESOURCE = 4
PKG_DIRECTORY = 5
C_BUILTIN = 6
PY_FROZEN = 7
PY_CODERESOURCE = 8
IMP_HOOK = 9
def get_suffixes():
extensions = [(s, 'rb', C_EXTENSION)
for s in machinery.EXTENSION_SUFFIXES]
source = [(s, 'r', PY_SOURCE) for s in machinery.SOURCE_SUFFIXES]
bytecode = [(s, 'rb', PY_COMPILED) for s in machinery.BYTECODE_SUFFIXES]
return extensions + source + bytecode
def find_module(name, path=None):
if not isinstance(name, str):
raise TypeError("'name' must be a str, not {}".format(type(name)))
elif not isinstance(path, (type(None), list)):
# Backwards-compatibility
raise RuntimeError("'path' must be None or a list, "
"not {}".format(type(path)))
if path is None:
if is_builtin(name):
return None, None, ('', '', C_BUILTIN)
elif is_frozen(name):
return None, None, ('', '', PY_FROZEN)
else:
path = sys.path
for entry in path:
package_directory = os.path.join(entry, name)
for suffix in ['.py', machinery.BYTECODE_SUFFIXES[0]]:
package_file_name = '__init__' + suffix
file_path = os.path.join(package_directory, package_file_name)
if os.path.isfile(file_path):
return None, package_directory, ('', '', PKG_DIRECTORY)
for suffix, mode, type_ in get_suffixes():
file_name = name + suffix
file_path = os.path.join(entry, file_name)
if os.path.isfile(file_path):
break
else:
continue
break # Break out of outer loop when breaking out of inner loop.
else:
raise ImportError(name, name=name)
encoding = None
if 'b' not in mode:
with open(file_path, 'rb') as file:
encoding = tokenize.detect_encoding(file.readline)[0]
file = open(file_path, mode, encoding=encoding)
return file, file_path, (suffix, mode, type_)
def load_dynamic(name, path, file=None):
loader = machinery.ExtensionFileLoader(name, path)
spec = machinery.ModuleSpec(name=name, loader=loader, origin=path)
return _load(spec)

45
.venv/lib/python3.12/site-packages/cffi/_shimmed_dist_utils.py
View File

@@ -1,45 +0,0 @@
"""
Temporary shim module to indirect the bits of distutils we need from setuptools/distutils while providing useful
error messages beyond `No module named 'distutils' on Python >= 3.12, or when setuptools' vendored distutils is broken.
This is a compromise to avoid a hard-dep on setuptools for Python >= 3.12, since many users don't need runtime compilation support from CFFI.
"""
import sys
try:
# import setuptools first; this is the most robust way to ensure its embedded distutils is available
# (the .pth shim should usually work, but this is even more robust)
import setuptools
except Exception as ex:
if sys.version_info >= (3, 12):
# Python 3.12 has no built-in distutils to fall back on, so any import problem is fatal
raise Exception("This CFFI feature requires setuptools on Python >= 3.12. The setuptools module is missing or non-functional.") from ex
# silently ignore on older Pythons (support fallback to stdlib distutils where available)
else:
del setuptools
try:
# bring in just the bits of distutils we need, whether they really came from setuptools or stdlib-embedded distutils
from distutils import log, sysconfig
from distutils.ccompiler import CCompiler
from distutils.command.build_ext import build_ext
from distutils.core import Distribution, Extension
from distutils.dir_util import mkpath
from distutils.errors import DistutilsSetupError, CompileError, LinkError
from distutils.log import set_threshold, set_verbosity
if sys.platform == 'win32':
try:
# FUTURE: msvc9compiler module was removed in setuptools 74; consider removing, as it's only used by an ancient patch in `recompiler`
from distutils.msvc9compiler import MSVCCompiler
except ImportError:
MSVCCompiler = None
except Exception as ex:
if sys.version_info >= (3, 12):
raise Exception("This CFFI feature requires setuptools on Python >= 3.12. Please install the setuptools package.") from ex
# anything older, just let the underlying distutils import error fly
raise Exception("This CFFI feature requires distutils. Please install the distutils or setuptools package.") from ex
del sys

967
.venv/lib/python3.12/site-packages/cffi/api.py
View File

@@ -1,967 +0,0 @@
import sys, types
from .lock import allocate_lock
from .error import CDefError
from . import model
try:
callable
except NameError:
# Python 3.1
from collections import Callable
callable = lambda x: isinstance(x, Callable)
try:
basestring
except NameError:
# Python 3.x
basestring = str
_unspecified = object()
class FFI(object):
r'''
The main top-level class that you instantiate once, or once per module.
Example usage:
ffi = FFI()
ffi.cdef("""
int printf(const char *, ...);
""")
C = ffi.dlopen(None) # standard library
-or-
C = ffi.verify() # use a C compiler: verify the decl above is right
C.printf("hello, %s!\n", ffi.new("char[]", "world"))
'''
def __init__(self, backend=None):
"""Create an FFI instance. The 'backend' argument is used to
select a non-default backend, mostly for tests.
"""
if backend is None:
# You need PyPy (>= 2.0 beta), or a CPython (>= 2.6) with
# _cffi_backend.so compiled.
import _cffi_backend as backend
from . import __version__
if backend.__version__ != __version__:
# bad version! Try to be as explicit as possible.
if hasattr(backend, '__file__'):
# CPython
raise Exception("Version mismatch: this is the 'cffi' package version %s, located in %r. When we import the top-level '_cffi_backend' extension module, we get version %s, located in %r. The two versions should be equal; check your installation." % (
__version__, __file__,
backend.__version__, backend.__file__))
else:
# PyPy
raise Exception("Version mismatch: this is the 'cffi' package version %s, located in %r. This interpreter comes with a built-in '_cffi_backend' module, which is version %s. The two versions should be equal; check your installation." % (
__version__, __file__, backend.__version__))
# (If you insist you can also try to pass the option
# 'backend=backend_ctypes.CTypesBackend()', but don't
# rely on it! It's probably not going to work well.)
from . import cparser
self._backend = backend
self._lock = allocate_lock()
self._parser = cparser.Parser()
self._cached_btypes = {}
self._parsed_types = types.ModuleType('parsed_types').__dict__
self._new_types = types.ModuleType('new_types').__dict__
self._function_caches = []
self._libraries = []
self._cdefsources = []
self._included_ffis = []
self._windows_unicode = None
self._init_once_cache = {}
self._cdef_version = None
self._embedding = None
self._typecache = model.get_typecache(backend)
if hasattr(backend, 'set_ffi'):
backend.set_ffi(self)
for name in list(backend.__dict__):
if name.startswith('RTLD_'):
setattr(self, name, getattr(backend, name))
#
with self._lock:
self.BVoidP = self._get_cached_btype(model.voidp_type)
self.BCharA = self._get_cached_btype(model.char_array_type)
if isinstance(backend, types.ModuleType):
# _cffi_backend: attach these constants to the class
if not hasattr(FFI, 'NULL'):
FFI.NULL = self.cast(self.BVoidP, 0)
FFI.CData, FFI.CType = backend._get_types()
else:
# ctypes backend: attach these constants to the instance
self.NULL = self.cast(self.BVoidP, 0)
self.CData, self.CType = backend._get_types()
self.buffer = backend.buffer
def cdef(self, csource, override=False, packed=False, pack=None):
"""Parse the given C source. This registers all declared functions,
types, and global variables. The functions and global variables can
then be accessed via either 'ffi.dlopen()' or 'ffi.verify()'.
The types can be used in 'ffi.new()' and other functions.
If 'packed' is specified as True, all structs declared inside this
cdef are packed, i.e. laid out without any field alignment at all.
Alternatively, 'pack' can be a small integer, and requests for
alignment greater than that are ignored (pack=1 is equivalent to
packed=True).
"""
self._cdef(csource, override=override, packed=packed, pack=pack)
def embedding_api(self, csource, packed=False, pack=None):
self._cdef(csource, packed=packed, pack=pack, dllexport=True)
if self._embedding is None:
self._embedding = ''
def _cdef(self, csource, override=False, **options):
if not isinstance(csource, str): # unicode, on Python 2
if not isinstance(csource, basestring):
raise TypeError("cdef() argument must be a string")
csource = csource.encode('ascii')
with self._lock:
self._cdef_version = object()
self._parser.parse(csource, override=override, **options)
self._cdefsources.append(csource)
if override:
for cache in self._function_caches:
cache.clear()
finishlist = self._parser._recomplete
if finishlist:
self._parser._recomplete = []
for tp in finishlist:
tp.finish_backend_type(self, finishlist)
def dlopen(self, name, flags=0):
"""Load and return a dynamic library identified by 'name'.
The standard C library can be loaded by passing None.
Note that functions and types declared by 'ffi.cdef()' are not
linked to a particular library, just like C headers; in the
library we only look for the actual (untyped) symbols.
"""
if not (isinstance(name, basestring) or
name is None or
isinstance(name, self.CData)):
raise TypeError("dlopen(name): name must be a file name, None, "
"or an already-opened 'void *' handle")
with self._lock:
lib, function_cache = _make_ffi_library(self, name, flags)
self._function_caches.append(function_cache)
self._libraries.append(lib)
return lib
def dlclose(self, lib):
"""Close a library obtained with ffi.dlopen(). After this call,
access to functions or variables from the library will fail
(possibly with a segmentation fault).
"""
type(lib).__cffi_close__(lib)
def _typeof_locked(self, cdecl):
# call me with the lock!
key = cdecl
if key in self._parsed_types:
return self._parsed_types[key]
#
if not isinstance(cdecl, str): # unicode, on Python 2
cdecl = cdecl.encode('ascii')
#
type = self._parser.parse_type(cdecl)
really_a_function_type = type.is_raw_function
if really_a_function_type:
type = type.as_function_pointer()
btype = self._get_cached_btype(type)
result = btype, really_a_function_type
self._parsed_types[key] = result
return result
def _typeof(self, cdecl, consider_function_as_funcptr=False):
# string -> ctype object
try:
result = self._parsed_types[cdecl]
except KeyError:
with self._lock:
result = self._typeof_locked(cdecl)
#
btype, really_a_function_type = result
if really_a_function_type and not consider_function_as_funcptr:
raise CDefError("the type %r is a function type, not a "
"pointer-to-function type" % (cdecl,))
return btype
def typeof(self, cdecl):
"""Parse the C type given as a string and return the
corresponding <ctype> object.
It can also be used on 'cdata' instance to get its C type.
"""
if isinstance(cdecl, basestring):
return self._typeof(cdecl)
if isinstance(cdecl, self.CData):
return self._backend.typeof(cdecl)
if isinstance(cdecl, types.BuiltinFunctionType):
res = _builtin_function_type(cdecl)
if res is not None:
return res
if (isinstance(cdecl, types.FunctionType)
and hasattr(cdecl, '_cffi_base_type')):
with self._lock:
return self._get_cached_btype(cdecl._cffi_base_type)
raise TypeError(type(cdecl))
def sizeof(self, cdecl):
"""Return the size in bytes of the argument. It can be a
string naming a C type, or a 'cdata' instance.
"""
if isinstance(cdecl, basestring):
BType = self._typeof(cdecl)
return self._backend.sizeof(BType)
else:
return self._backend.sizeof(cdecl)
def alignof(self, cdecl):
"""Return the natural alignment size in bytes of the C type
given as a string.
"""
if isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl)
return self._backend.alignof(cdecl)
def offsetof(self, cdecl, *fields_or_indexes):
"""Return the offset of the named field inside the given
structure or array, which must be given as a C type name.
You can give several field names in case of nested structures.
You can also give numeric values which correspond to array
items, in case of an array type.
"""
if isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl)
return self._typeoffsetof(cdecl, *fields_or_indexes)[1]
def new(self, cdecl, init=None):
"""Allocate an instance according to the specified C type and
return a pointer to it. The specified C type must be either a
pointer or an array: ``new('X *')`` allocates an X and returns
a pointer to it, whereas ``new('X[n]')`` allocates an array of
n X'es and returns an array referencing it (which works
mostly like a pointer, like in C). You can also use
``new('X[]', n)`` to allocate an array of a non-constant
length n.
The memory is initialized following the rules of declaring a
global variable in C: by default it is zero-initialized, but
an explicit initializer can be given which can be used to
fill all or part of the memory.
When the returned <cdata> object goes out of scope, the memory
is freed. In other words the returned <cdata> object has
ownership of the value of type 'cdecl' that it points to. This
means that the raw data can be used as long as this object is
kept alive, but must not be used for a longer time. Be careful
about that when copying the pointer to the memory somewhere
else, e.g. into another structure.
"""
if isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl)
return self._backend.newp(cdecl, init)
def new_allocator(self, alloc=None, free=None,
should_clear_after_alloc=True):
"""Return a new allocator, i.e. a function that behaves like ffi.new()
but uses the provided low-level 'alloc' and 'free' functions.
'alloc' is called with the size as argument. If it returns NULL, a
MemoryError is raised. 'free' is called with the result of 'alloc'
as argument. Both can be either Python function or directly C
functions. If 'free' is None, then no free function is called.
If both 'alloc' and 'free' are None, the default is used.
If 'should_clear_after_alloc' is set to False, then the memory
returned by 'alloc' is assumed to be already cleared (or you are
fine with garbage); otherwise CFFI will clear it.
"""
compiled_ffi = self._backend.FFI()
allocator = compiled_ffi.new_allocator(alloc, free,
should_clear_after_alloc)
def allocate(cdecl, init=None):
if isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl)
return allocator(cdecl, init)
return allocate
def cast(self, cdecl, source):
"""Similar to a C cast: returns an instance of the named C
type initialized with the given 'source'. The source is
casted between integers or pointers of any type.
"""
if isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl)
return self._backend.cast(cdecl, source)
def string(self, cdata, maxlen=-1):
"""Return a Python string (or unicode string) from the 'cdata'.
If 'cdata' is a pointer or array of characters or bytes, returns
the null-terminated string. The returned string extends until
the first null character, or at most 'maxlen' characters. If
'cdata' is an array then 'maxlen' defaults to its length.
If 'cdata' is a pointer or array of wchar_t, returns a unicode
string following the same rules.
If 'cdata' is a single character or byte or a wchar_t, returns
it as a string or unicode string.
If 'cdata' is an enum, returns the value of the enumerator as a
string, or 'NUMBER' if the value is out of range.
"""
return self._backend.string(cdata, maxlen)
def unpack(self, cdata, length):
"""Unpack an array of C data of the given length,
returning a Python string/unicode/list.
If 'cdata' is a pointer to 'char', returns a byte string.
It does not stop at the first null. This is equivalent to:
ffi.buffer(cdata, length)[:]
If 'cdata' is a pointer to 'wchar_t', returns a unicode string.
'length' is measured in wchar_t's; it is not the size in bytes.
If 'cdata' is a pointer to anything else, returns a list of
'length' items. This is a faster equivalent to:
[cdata[i] for i in range(length)]
"""
return self._backend.unpack(cdata, length)
#def buffer(self, cdata, size=-1):
# """Return a read-write buffer object that references the raw C data
# pointed to by the given 'cdata'. The 'cdata' must be a pointer or
# an array. Can be passed to functions expecting a buffer, or directly
# manipulated with:
#
# buf[:] get a copy of it in a regular string, or
# buf[idx] as a single character
# buf[:] = ...
# buf[idx] = ... change the content
# """
# note that 'buffer' is a type, set on this instance by __init__
def from_buffer(self, cdecl, python_buffer=_unspecified,
require_writable=False):
"""Return a cdata of the given type pointing to the data of the
given Python object, which must support the buffer interface.
Note that this is not meant to be used on the built-in types
str or unicode (you can build 'char[]' arrays explicitly)
but only on objects containing large quantities of raw data
in some other format, like 'array.array' or numpy arrays.
The first argument is optional and default to 'char[]'.
"""
if python_buffer is _unspecified:
cdecl, python_buffer = self.BCharA, cdecl
elif isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl)
return self._backend.from_buffer(cdecl, python_buffer,
require_writable)
def memmove(self, dest, src, n):
"""ffi.memmove(dest, src, n) copies n bytes of memory from src to dest.
Like the C function memmove(), the memory areas may overlap;
apart from that it behaves like the C function memcpy().
'src' can be any cdata ptr or array, or any Python buffer object.
'dest' can be any cdata ptr or array, or a writable Python buffer
object. The size to copy, 'n', is always measured in bytes.
Unlike other methods, this one supports all Python buffer including
byte strings and bytearrays---but it still does not support
non-contiguous buffers.
"""
return self._backend.memmove(dest, src, n)
def callback(self, cdecl, python_callable=None, error=None, onerror=None):
"""Return a callback object or a decorator making such a
callback object. 'cdecl' must name a C function pointer type.
The callback invokes the specified 'python_callable' (which may
be provided either directly or via a decorator). Important: the
callback object must be manually kept alive for as long as the
callback may be invoked from the C level.
"""
def callback_decorator_wrap(python_callable):
if not callable(python_callable):
raise TypeError("the 'python_callable' argument "
"is not callable")
return self._backend.callback(cdecl, python_callable,
error, onerror)
if isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl, consider_function_as_funcptr=True)
if python_callable is None:
return callback_decorator_wrap # decorator mode
else:
return callback_decorator_wrap(python_callable) # direct mode
def getctype(self, cdecl, replace_with=''):
"""Return a string giving the C type 'cdecl', which may be itself
a string or a <ctype> object. If 'replace_with' is given, it gives
extra text to append (or insert for more complicated C types), like
a variable name, or '*' to get actually the C type 'pointer-to-cdecl'.
"""
if isinstance(cdecl, basestring):
cdecl = self._typeof(cdecl)
replace_with = replace_with.strip()
if (replace_with.startswith('*')
and '&[' in self._backend.getcname(cdecl, '&')):
replace_with = '(%s)' % replace_with
elif replace_with and not replace_with[0] in '[(':
replace_with = ' ' + replace_with
return self._backend.getcname(cdecl, replace_with)
def gc(self, cdata, destructor, size=0):
"""Return a new cdata object that points to the same
data. Later, when this new cdata object is garbage-collected,
'destructor(old_cdata_object)' will be called.
The optional 'size' gives an estimate of the size, used to
trigger the garbage collection more eagerly. So far only used
on PyPy. It tells the GC that the returned object keeps alive
roughly 'size' bytes of external memory.
"""
return self._backend.gcp(cdata, destructor, size)
def _get_cached_btype(self, type):
assert self._lock.acquire(False) is False
# call me with the lock!
try:
BType = self._cached_btypes[type]
except KeyError:
finishlist = []
BType = type.get_cached_btype(self, finishlist)
for type in finishlist:
type.finish_backend_type(self, finishlist)
return BType
def verify(self, source='', tmpdir=None, **kwargs):
"""Verify that the current ffi signatures compile on this
machine, and return a dynamic library object. The dynamic
library can be used to call functions and access global
variables declared in this 'ffi'. The library is compiled
by the C compiler: it gives you C-level API compatibility
(including calling macros). This is unlike 'ffi.dlopen()',
which requires binary compatibility in the signatures.
"""
from .verifier import Verifier, _caller_dir_pycache
#
# If set_unicode(True) was called, insert the UNICODE and
# _UNICODE macro declarations
if self._windows_unicode:
self._apply_windows_unicode(kwargs)
#
# Set the tmpdir here, and not in Verifier.__init__: it picks
# up the caller's directory, which we want to be the caller of
# ffi.verify(), as opposed to the caller of Veritier().
tmpdir = tmpdir or _caller_dir_pycache()
#
# Make a Verifier() and use it to load the library.
self.verifier = Verifier(self, source, tmpdir, **kwargs)
lib = self.verifier.load_library()
#
# Save the loaded library for keep-alive purposes, even
# if the caller doesn't keep it alive itself (it should).
self._libraries.append(lib)
return lib
def _get_errno(self):
return self._backend.get_errno()
def _set_errno(self, errno):
self._backend.set_errno(errno)
errno = property(_get_errno, _set_errno, None,
"the value of 'errno' from/to the C calls")
def getwinerror(self, code=-1):
return self._backend.getwinerror(code)
def _pointer_to(self, ctype):
with self._lock:
return model.pointer_cache(self, ctype)
def addressof(self, cdata, *fields_or_indexes):
"""Return the address of a <cdata 'struct-or-union'>.
If 'fields_or_indexes' are given, returns the address of that
field or array item in the structure or array, recursively in
case of nested structures.
"""
try:
ctype = self._backend.typeof(cdata)
except TypeError:
if '__addressof__' in type(cdata).__dict__:
return type(cdata).__addressof__(cdata, *fields_or_indexes)
raise
if fields_or_indexes:
ctype, offset = self._typeoffsetof(ctype, *fields_or_indexes)
else:
if ctype.kind == "pointer":
raise TypeError("addressof(pointer)")
offset = 0
ctypeptr = self._pointer_to(ctype)
return self._backend.rawaddressof(ctypeptr, cdata, offset)
def _typeoffsetof(self, ctype, field_or_index, *fields_or_indexes):
ctype, offset = self._backend.typeoffsetof(ctype, field_or_index)
for field1 in fields_or_indexes:
ctype, offset1 = self._backend.typeoffsetof(ctype, field1, 1)
offset += offset1
return ctype, offset
def include(self, ffi_to_include):
"""Includes the typedefs, structs, unions and enums defined
in another FFI instance. Usage is similar to a #include in C,
where a part of the program might include types defined in
another part for its own usage. Note that the include()
method has no effect on functions, constants and global
variables, which must anyway be accessed directly from the
lib object returned by the original FFI instance.
"""
if not isinstance(ffi_to_include, FFI):
raise TypeError("ffi.include() expects an argument that is also of"
" type cffi.FFI, not %r" % (
type(ffi_to_include).__name__,))
if ffi_to_include is self:
raise ValueError("self.include(self)")
with ffi_to_include._lock:
with self._lock:
self._parser.include(ffi_to_include._parser)
self._cdefsources.append('[')
self._cdefsources.extend(ffi_to_include._cdefsources)
self._cdefsources.append(']')
self._included_ffis.append(ffi_to_include)
def new_handle(self, x):
return self._backend.newp_handle(self.BVoidP, x)
def from_handle(self, x):
return self._backend.from_handle(x)
def release(self, x):
self._backend.release(x)
def set_unicode(self, enabled_flag):
"""Windows: if 'enabled_flag' is True, enable the UNICODE and
_UNICODE defines in C, and declare the types like TCHAR and LPTCSTR
to be (pointers to) wchar_t. If 'enabled_flag' is False,
declare these types to be (pointers to) plain 8-bit characters.
This is mostly for backward compatibility; you usually want True.
"""
if self._windows_unicode is not None:
raise ValueError("set_unicode() can only be called once")
enabled_flag = bool(enabled_flag)
if enabled_flag:
self.cdef("typedef wchar_t TBYTE;"
"typedef wchar_t TCHAR;"
"typedef const wchar_t *LPCTSTR;"
"typedef const wchar_t *PCTSTR;"
"typedef wchar_t *LPTSTR;"
"typedef wchar_t *PTSTR;"
"typedef TBYTE *PTBYTE;"
"typedef TCHAR *PTCHAR;")
else:
self.cdef("typedef char TBYTE;"
"typedef char TCHAR;"
"typedef const char *LPCTSTR;"
"typedef const char *PCTSTR;"
"typedef char *LPTSTR;"
"typedef char *PTSTR;"
"typedef TBYTE *PTBYTE;"
"typedef TCHAR *PTCHAR;")
self._windows_unicode = enabled_flag
def _apply_windows_unicode(self, kwds):
defmacros = kwds.get('define_macros', ())
if not isinstance(defmacros, (list, tuple)):
raise TypeError("'define_macros' must be a list or tuple")
defmacros = list(defmacros) + [('UNICODE', '1'),
('_UNICODE', '1')]
kwds['define_macros'] = defmacros
def _apply_embedding_fix(self, kwds):
# must include an argument like "-lpython2.7" for the compiler
def ensure(key, value):
lst = kwds.setdefault(key, [])
if value not in lst:
lst.append(value)
#
if '__pypy__' in sys.builtin_module_names:
import os
if sys.platform == "win32":
# we need 'libpypy-c.lib'. Current distributions of
# pypy (>= 4.1) contain it as 'libs/python27.lib'.
pythonlib = "python{0[0]}{0[1]}".format(sys.version_info)
if hasattr(sys, 'prefix'):
ensure('library_dirs', os.path.join(sys.prefix, 'libs'))
else:
# we need 'libpypy-c.{so,dylib}', which should be by
# default located in 'sys.prefix/bin' for installed
# systems.
if sys.version_info < (3,):
pythonlib = "pypy-c"
else:
pythonlib = "pypy3-c"
if hasattr(sys, 'prefix'):
ensure('library_dirs', os.path.join(sys.prefix, 'bin'))
# On uninstalled pypy's, the libpypy-c is typically found in
# .../pypy/goal/.
if hasattr(sys, 'prefix'):
ensure('library_dirs', os.path.join(sys.prefix, 'pypy', 'goal'))
else:
if sys.platform == "win32":
template = "python%d%d"
if hasattr(sys, 'gettotalrefcount'):
template += '_d'
else:
try:
import sysconfig
except ImportError: # 2.6
from cffi._shimmed_dist_utils import sysconfig
template = "python%d.%d"
if sysconfig.get_config_var('DEBUG_EXT'):
template += sysconfig.get_config_var('DEBUG_EXT')
pythonlib = (template %
(sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
if hasattr(sys, 'abiflags'):
pythonlib += sys.abiflags
ensure('libraries', pythonlib)
if sys.platform == "win32":
ensure('extra_link_args', '/MANIFEST')
def set_source(self, module_name, source, source_extension='.c', **kwds):
import os
if hasattr(self, '_assigned_source'):
raise ValueError("set_source() cannot be called several times "
"per ffi object")
if not isinstance(module_name, basestring):
raise TypeError("'module_name' must be a string")
if os.sep in module_name or (os.altsep and os.altsep in module_name):
raise ValueError("'module_name' must not contain '/': use a dotted "
"name to make a 'package.module' location")
self._assigned_source = (str(module_name), source,
source_extension, kwds)
def set_source_pkgconfig(self, module_name, pkgconfig_libs, source,
source_extension='.c', **kwds):
from . import pkgconfig
if not isinstance(pkgconfig_libs, list):
raise TypeError("the pkgconfig_libs argument must be a list "
"of package names")
kwds2 = pkgconfig.flags_from_pkgconfig(pkgconfig_libs)
pkgconfig.merge_flags(kwds, kwds2)
self.set_source(module_name, source, source_extension, **kwds)
def distutils_extension(self, tmpdir='build', verbose=True):
from cffi._shimmed_dist_utils import mkpath
from .recompiler import recompile
#
if not hasattr(self, '_assigned_source'):
if hasattr(self, 'verifier'): # fallback, 'tmpdir' ignored
return self.verifier.get_extension()
raise ValueError("set_source() must be called before"
" distutils_extension()")
module_name, source, source_extension, kwds = self._assigned_source
if source is None:
raise TypeError("distutils_extension() is only for C extension "
"modules, not for dlopen()-style pure Python "
"modules")
mkpath(tmpdir)
ext, updated = recompile(self, module_name,
source, tmpdir=tmpdir, extradir=tmpdir,
source_extension=source_extension,
call_c_compiler=False, **kwds)
if verbose:
if updated:
sys.stderr.write("regenerated: %r\n" % (ext.sources[0],))
else:
sys.stderr.write("not modified: %r\n" % (ext.sources[0],))
return ext
def emit_c_code(self, filename):
from .recompiler import recompile
#
if not hasattr(self, '_assigned_source'):
raise ValueError("set_source() must be called before emit_c_code()")
module_name, source, source_extension, kwds = self._assigned_source
if source is None:
raise TypeError("emit_c_code() is only for C extension modules, "
"not for dlopen()-style pure Python modules")
recompile(self, module_name, source,
c_file=filename, call_c_compiler=False,
uses_ffiplatform=False, **kwds)
def emit_python_code(self, filename):
from .recompiler import recompile
#
if not hasattr(self, '_assigned_source'):
raise ValueError("set_source() must be called before emit_c_code()")
module_name, source, source_extension, kwds = self._assigned_source
if source is not None:
raise TypeError("emit_python_code() is only for dlopen()-style "
"pure Python modules, not for C extension modules")
recompile(self, module_name, source,
c_file=filename, call_c_compiler=False,
uses_ffiplatform=False, **kwds)
def compile(self, tmpdir='.', verbose=0, target=None, debug=None):
"""The 'target' argument gives the final file name of the
compiled DLL. Use '*' to force distutils' choice, suitable for
regular CPython C API modules. Use a file name ending in '.*'
to ask for the system's default extension for dynamic libraries
(.so/.dll/.dylib).
The default is '*' when building a non-embedded C API extension,
and (module_name + '.*') when building an embedded library.
"""
from .recompiler import recompile
#
if not hasattr(self, '_assigned_source'):
raise ValueError("set_source() must be called before compile()")
module_name, source, source_extension, kwds = self._assigned_source
return recompile(self, module_name, source, tmpdir=tmpdir,
target=target, source_extension=source_extension,
compiler_verbose=verbose, debug=debug, **kwds)
def init_once(self, func, tag):
# Read _init_once_cache[tag], which is either (False, lock) if
# we're calling the function now in some thread, or (True, result).
# Don't call setdefault() in most cases, to avoid allocating and
# immediately freeing a lock; but still use setdefaut() to avoid
# races.
try:
x = self._init_once_cache[tag]
except KeyError:
x = self._init_once_cache.setdefault(tag, (False, allocate_lock()))
# Common case: we got (True, result), so we return the result.
if x[0]:
return x[1]
# Else, it's a lock. Acquire it to serialize the following tests.
with x[1]:
# Read again from _init_once_cache the current status.
x = self._init_once_cache[tag]
if x[0]:
return x[1]
# Call the function and store the result back.
result = func()
self._init_once_cache[tag] = (True, result)
return result
def embedding_init_code(self, pysource):
if self._embedding:
raise ValueError("embedding_init_code() can only be called once")
# fix 'pysource' before it gets dumped into the C file:
# - remove empty lines at the beginning, so it starts at "line 1"
# - dedent, if all non-empty lines are indented
# - check for SyntaxErrors
import re
match = re.match(r'\s*\n', pysource)
if match:
pysource = pysource[match.end():]
lines = pysource.splitlines() or ['']
prefix = re.match(r'\s*', lines[0]).group()
for i in range(1, len(lines)):
line = lines[i]
if line.rstrip():
while not line.startswith(prefix):
prefix = prefix[:-1]
i = len(prefix)
lines = [line[i:]+'\n' for line in lines]
pysource = ''.join(lines)
#
compile(pysource, "cffi_init", "exec")
#
self._embedding = pysource
def def_extern(self, *args, **kwds):
raise ValueError("ffi.def_extern() is only available on API-mode FFI "
"objects")
def list_types(self):
"""Returns the user type names known to this FFI instance.
This returns a tuple containing three lists of names:
(typedef_names, names_of_structs, names_of_unions)
"""
typedefs = []
structs = []
unions = []
for key in self._parser._declarations:
if key.startswith('typedef '):
typedefs.append(key[8:])
elif key.startswith('struct '):
structs.append(key[7:])
elif key.startswith('union '):
unions.append(key[6:])
typedefs.sort()
structs.sort()
unions.sort()
return (typedefs, structs, unions)
def _load_backend_lib(backend, name, flags):
import os
if not isinstance(name, basestring):
if sys.platform != "win32" or name is not None:
return backend.load_library(name, flags)
name = "c" # Windows: load_library(None) fails, but this works
# on Python 2 (backward compatibility hack only)
first_error = None
if '.' in name or '/' in name or os.sep in name:
try:
return backend.load_library(name, flags)
except OSError as e:
first_error = e
import ctypes.util
path = ctypes.util.find_library(name)
if path is None:
if name == "c" and sys.platform == "win32" and sys.version_info >= (3,):
raise OSError("dlopen(None) cannot work on Windows for Python 3 "
"(see http://bugs.python.org/issue23606)")
msg = ("ctypes.util.find_library() did not manage "
"to locate a library called %r" % (name,))
if first_error is not None:
msg = "%s. Additionally, %s" % (first_error, msg)
raise OSError(msg)
return backend.load_library(path, flags)
def _make_ffi_library(ffi, libname, flags):
backend = ffi._backend
backendlib = _load_backend_lib(backend, libname, flags)
#
def accessor_function(name):
key = 'function ' + name
tp, _ = ffi._parser._declarations[key]
BType = ffi._get_cached_btype(tp)
value = backendlib.load_function(BType, name)
library.__dict__[name] = value
#
def accessor_variable(name):
key = 'variable ' + name
tp, _ = ffi._parser._declarations[key]
BType = ffi._get_cached_btype(tp)
read_variable = backendlib.read_variable
write_variable = backendlib.write_variable
setattr(FFILibrary, name, property(
lambda self: read_variable(BType, name),
lambda self, value: write_variable(BType, name, value)))
#
def addressof_var(name):
try:
return addr_variables[name]
except KeyError:
with ffi._lock:
if name not in addr_variables:
key = 'variable ' + name
tp, _ = ffi._parser._declarations[key]
BType = ffi._get_cached_btype(tp)
if BType.kind != 'array':
BType = model.pointer_cache(ffi, BType)
p = backendlib.load_function(BType, name)
addr_variables[name] = p
return addr_variables[name]
#
def accessor_constant(name):
raise NotImplementedError("non-integer constant '%s' cannot be "
"accessed from a dlopen() library" % (name,))
#
def accessor_int_constant(name):
library.__dict__[name] = ffi._parser._int_constants[name]
#
accessors = {}
accessors_version = [False]
addr_variables = {}
#
def update_accessors():
if accessors_version[0] is ffi._cdef_version:
return
#
for key, (tp, _) in ffi._parser._declarations.items():
if not isinstance(tp, model.EnumType):
tag, name = key.split(' ', 1)
if tag == 'function':
accessors[name] = accessor_function
elif tag == 'variable':
accessors[name] = accessor_variable
elif tag == 'constant':
accessors[name] = accessor_constant
else:
for i, enumname in enumerate(tp.enumerators):
def accessor_enum(name, tp=tp, i=i):
tp.check_not_partial()
library.__dict__[name] = tp.enumvalues[i]
accessors[enumname] = accessor_enum
for name in ffi._parser._int_constants:
accessors.setdefault(name, accessor_int_constant)
accessors_version[0] = ffi._cdef_version
#
def make_accessor(name):
with ffi._lock:
if name in library.__dict__ or name in FFILibrary.__dict__:
return # added by another thread while waiting for the lock
if name not in accessors:
update_accessors()
if name not in accessors:
raise AttributeError(name)
accessors[name](name)
#
class FFILibrary(object):
def __getattr__(self, name):
make_accessor(name)
return getattr(self, name)
def __setattr__(self, name, value):
try:
property = getattr(self.__class__, name)
except AttributeError:
make_accessor(name)
setattr(self, name, value)
else:
property.__set__(self, value)
def __dir__(self):
with ffi._lock:
update_accessors()
return accessors.keys()
def __addressof__(self, name):
if name in library.__dict__:
return library.__dict__[name]
if name in FFILibrary.__dict__:
return addressof_var(name)
make_accessor(name)
if name in library.__dict__:
return library.__dict__[name]
if name in FFILibrary.__dict__:
return addressof_var(name)
raise AttributeError("cffi library has no function or "
"global variable named '%s'" % (name,))
def __cffi_close__(self):
backendlib.close_lib()
self.__dict__.clear()
#
if isinstance(libname, basestring):
try:
if not isinstance(libname, str): # unicode, on Python 2
libname = libname.encode('utf-8')
FFILibrary.__name__ = 'FFILibrary_%s' % libname
except UnicodeError:
pass
library = FFILibrary()
return library, library.__dict__
def _builtin_function_type(func):
# a hack to make at least ffi.typeof(builtin_function) work,
# if the builtin function was obtained by 'vengine_cpy'.
import sys
try:
module = sys.modules[func.__module__]
ffi = module._cffi_original_ffi
types_of_builtin_funcs = module._cffi_types_of_builtin_funcs
tp = types_of_builtin_funcs[func]
except (KeyError, AttributeError, TypeError):
return None
else:
with ffi._lock:
return ffi._get_cached_btype(tp)

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.venv/lib/python3.12/site-packages/cffi/cffi_opcode.py
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from .error import VerificationError
class CffiOp(object):
def __init__(self, op, arg):
self.op = op
self.arg = arg
def as_c_expr(self):
if self.op is None:
assert isinstance(self.arg, str)
return '(_cffi_opcode_t)(%s)' % (self.arg,)
classname = CLASS_NAME[self.op]
return '_CFFI_OP(_CFFI_OP_%s, %s)' % (classname, self.arg)
def as_python_bytes(self):
if self.op is None and self.arg.isdigit():
value = int(self.arg) # non-negative: '-' not in self.arg
if value >= 2**31:
raise OverflowError("cannot emit %r: limited to 2**31-1"
% (self.arg,))
return format_four_bytes(value)
if isinstance(self.arg, str):
raise VerificationError("cannot emit to Python: %r" % (self.arg,))
return format_four_bytes((self.arg << 8) | self.op)
def __str__(self):
classname = CLASS_NAME.get(self.op, self.op)
return '(%s %s)' % (classname, self.arg)
def format_four_bytes(num):
return '\\x%02X\\x%02X\\x%02X\\x%02X' % (
(num >> 24) & 0xFF,
(num >> 16) & 0xFF,
(num >> 8) & 0xFF,
(num ) & 0xFF)
OP_PRIMITIVE = 1
OP_POINTER = 3
OP_ARRAY = 5
OP_OPEN_ARRAY = 7
OP_STRUCT_UNION = 9
OP_ENUM = 11
OP_FUNCTION = 13
OP_FUNCTION_END = 15
OP_NOOP = 17
OP_BITFIELD = 19
OP_TYPENAME = 21
OP_CPYTHON_BLTN_V = 23 # varargs
OP_CPYTHON_BLTN_N = 25 # noargs
OP_CPYTHON_BLTN_O = 27 # O (i.e. a single arg)
OP_CONSTANT = 29
OP_CONSTANT_INT = 31
OP_GLOBAL_VAR = 33
OP_DLOPEN_FUNC = 35
OP_DLOPEN_CONST = 37
OP_GLOBAL_VAR_F = 39
OP_EXTERN_PYTHON = 41
PRIM_VOID = 0
PRIM_BOOL = 1
PRIM_CHAR = 2
PRIM_SCHAR = 3
PRIM_UCHAR = 4
PRIM_SHORT = 5
PRIM_USHORT = 6
PRIM_INT = 7
PRIM_UINT = 8
PRIM_LONG = 9
PRIM_ULONG = 10
PRIM_LONGLONG = 11
PRIM_ULONGLONG = 12
PRIM_FLOAT = 13
PRIM_DOUBLE = 14
PRIM_LONGDOUBLE = 15
PRIM_WCHAR = 16
PRIM_INT8 = 17
PRIM_UINT8 = 18
PRIM_INT16 = 19
PRIM_UINT16 = 20
PRIM_INT32 = 21
PRIM_UINT32 = 22
PRIM_INT64 = 23
PRIM_UINT64 = 24
PRIM_INTPTR = 25
PRIM_UINTPTR = 26
PRIM_PTRDIFF = 27
PRIM_SIZE = 28
PRIM_SSIZE = 29
PRIM_INT_LEAST8 = 30
PRIM_UINT_LEAST8 = 31
PRIM_INT_LEAST16 = 32
PRIM_UINT_LEAST16 = 33
PRIM_INT_LEAST32 = 34
PRIM_UINT_LEAST32 = 35
PRIM_INT_LEAST64 = 36
PRIM_UINT_LEAST64 = 37
PRIM_INT_FAST8 = 38
PRIM_UINT_FAST8 = 39
PRIM_INT_FAST16 = 40
PRIM_UINT_FAST16 = 41
PRIM_INT_FAST32 = 42
PRIM_UINT_FAST32 = 43
PRIM_INT_FAST64 = 44
PRIM_UINT_FAST64 = 45
PRIM_INTMAX = 46
PRIM_UINTMAX = 47
PRIM_FLOATCOMPLEX = 48
PRIM_DOUBLECOMPLEX = 49
PRIM_CHAR16 = 50
PRIM_CHAR32 = 51
_NUM_PRIM = 52
_UNKNOWN_PRIM = -1
_UNKNOWN_FLOAT_PRIM = -2
_UNKNOWN_LONG_DOUBLE = -3
_IO_FILE_STRUCT = -1
PRIMITIVE_TO_INDEX = {
'char': PRIM_CHAR,
'short': PRIM_SHORT,
'int': PRIM_INT,
'long': PRIM_LONG,
'long long': PRIM_LONGLONG,
'signed char': PRIM_SCHAR,
'unsigned char': PRIM_UCHAR,
'unsigned short': PRIM_USHORT,
'unsigned int': PRIM_UINT,
'unsigned long': PRIM_ULONG,
'unsigned long long': PRIM_ULONGLONG,
'float': PRIM_FLOAT,
'double': PRIM_DOUBLE,
'long double': PRIM_LONGDOUBLE,
'_cffi_float_complex_t': PRIM_FLOATCOMPLEX,
'_cffi_double_complex_t': PRIM_DOUBLECOMPLEX,
'_Bool': PRIM_BOOL,
'wchar_t': PRIM_WCHAR,
'char16_t': PRIM_CHAR16,
'char32_t': PRIM_CHAR32,
'int8_t': PRIM_INT8,
'uint8_t': PRIM_UINT8,
'int16_t': PRIM_INT16,
'uint16_t': PRIM_UINT16,
'int32_t': PRIM_INT32,
'uint32_t': PRIM_UINT32,
'int64_t': PRIM_INT64,
'uint64_t': PRIM_UINT64,
'intptr_t': PRIM_INTPTR,
'uintptr_t': PRIM_UINTPTR,
'ptrdiff_t': PRIM_PTRDIFF,
'size_t': PRIM_SIZE,
'ssize_t': PRIM_SSIZE,
'int_least8_t': PRIM_INT_LEAST8,
'uint_least8_t': PRIM_UINT_LEAST8,
'int_least16_t': PRIM_INT_LEAST16,
'uint_least16_t': PRIM_UINT_LEAST16,
'int_least32_t': PRIM_INT_LEAST32,
'uint_least32_t': PRIM_UINT_LEAST32,
'int_least64_t': PRIM_INT_LEAST64,
'uint_least64_t': PRIM_UINT_LEAST64,
'int_fast8_t': PRIM_INT_FAST8,
'uint_fast8_t': PRIM_UINT_FAST8,
'int_fast16_t': PRIM_INT_FAST16,
'uint_fast16_t': PRIM_UINT_FAST16,
'int_fast32_t': PRIM_INT_FAST32,
'uint_fast32_t': PRIM_UINT_FAST32,
'int_fast64_t': PRIM_INT_FAST64,
'uint_fast64_t': PRIM_UINT_FAST64,
'intmax_t': PRIM_INTMAX,
'uintmax_t': PRIM_UINTMAX,
}
F_UNION = 0x01
F_CHECK_FIELDS = 0x02
F_PACKED = 0x04
F_EXTERNAL = 0x08
F_OPAQUE = 0x10
G_FLAGS = dict([('_CFFI_' + _key, globals()[_key])
for _key in ['F_UNION', 'F_CHECK_FIELDS', 'F_PACKED',
'F_EXTERNAL', 'F_OPAQUE']])
CLASS_NAME = {}
for _name, _value in list(globals().items()):
if _name.startswith('OP_') and isinstance(_value, int):
CLASS_NAME[_value] = _name[3:]

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.venv/lib/python3.12/site-packages/cffi/commontypes.py
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@@ -1,82 +0,0 @@
import sys
from . import model
from .error import FFIError
COMMON_TYPES = {}
try:
# fetch "bool" and all simple Windows types
from _cffi_backend import _get_common_types
_get_common_types(COMMON_TYPES)
except ImportError:
pass
COMMON_TYPES['FILE'] = model.unknown_type('FILE', '_IO_FILE')
COMMON_TYPES['bool'] = '_Bool' # in case we got ImportError above
COMMON_TYPES['float _Complex'] = '_cffi_float_complex_t'
COMMON_TYPES['double _Complex'] = '_cffi_double_complex_t'
for _type in model.PrimitiveType.ALL_PRIMITIVE_TYPES:
if _type.endswith('_t'):
COMMON_TYPES[_type] = _type
del _type
_CACHE = {}
def resolve_common_type(parser, commontype):
try:
return _CACHE[commontype]
except KeyError:
cdecl = COMMON_TYPES.get(commontype, commontype)
if not isinstance(cdecl, str):
result, quals = cdecl, 0 # cdecl is already a BaseType
elif cdecl in model.PrimitiveType.ALL_PRIMITIVE_TYPES:
result, quals = model.PrimitiveType(cdecl), 0
elif cdecl == 'set-unicode-needed':
raise FFIError("The Windows type %r is only available after "
"you call ffi.set_unicode()" % (commontype,))
else:
if commontype == cdecl:
raise FFIError(
"Unsupported type: %r. Please look at "
"http://cffi.readthedocs.io/en/latest/cdef.html#ffi-cdef-limitations "
"and file an issue if you think this type should really "
"be supported." % (commontype,))
result, quals = parser.parse_type_and_quals(cdecl) # recursive
assert isinstance(result, model.BaseTypeByIdentity)
_CACHE[commontype] = result, quals
return result, quals
# ____________________________________________________________
# extra types for Windows (most of them are in commontypes.c)
def win_common_types():
return {
"UNICODE_STRING": model.StructType(
"_UNICODE_STRING",
["Length",
"MaximumLength",
"Buffer"],
[model.PrimitiveType("unsigned short"),
model.PrimitiveType("unsigned short"),
model.PointerType(model.PrimitiveType("wchar_t"))],
[-1, -1, -1]),
"PUNICODE_STRING": "UNICODE_STRING *",
"PCUNICODE_STRING": "const UNICODE_STRING *",
"TBYTE": "set-unicode-needed",
"TCHAR": "set-unicode-needed",
"LPCTSTR": "set-unicode-needed",
"PCTSTR": "set-unicode-needed",
"LPTSTR": "set-unicode-needed",
"PTSTR": "set-unicode-needed",
"PTBYTE": "set-unicode-needed",
"PTCHAR": "set-unicode-needed",
}
if sys.platform == 'win32':
COMMON_TYPES.update(win_common_types())

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31
.venv/lib/python3.12/site-packages/cffi/error.py
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class FFIError(Exception):
__module__ = 'cffi'
class CDefError(Exception):
__module__ = 'cffi'
def __str__(self):
try:
current_decl = self.args[1]
filename = current_decl.coord.file
linenum = current_decl.coord.line
prefix = '%s:%d: ' % (filename, linenum)
except (AttributeError, TypeError, IndexError):
prefix = ''
return '%s%s' % (prefix, self.args[0])
class VerificationError(Exception):
""" An error raised when verification fails
"""
__module__ = 'cffi'
class VerificationMissing(Exception):
""" An error raised when incomplete structures are passed into
cdef, but no verification has been done
"""
__module__ = 'cffi'
class PkgConfigError(Exception):
""" An error raised for missing modules in pkg-config
"""
__module__ = 'cffi'

113
.venv/lib/python3.12/site-packages/cffi/ffiplatform.py
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@@ -1,113 +0,0 @@
import sys, os
from .error import VerificationError
LIST_OF_FILE_NAMES = ['sources', 'include_dirs', 'library_dirs',
'extra_objects', 'depends']
def get_extension(srcfilename, modname, sources=(), **kwds):
from cffi._shimmed_dist_utils import Extension
allsources = [srcfilename]
for src in sources:
allsources.append(os.path.normpath(src))
return Extension(name=modname, sources=allsources, **kwds)
def compile(tmpdir, ext, compiler_verbose=0, debug=None):
"""Compile a C extension module using distutils."""
saved_environ = os.environ.copy()
try:
outputfilename = _build(tmpdir, ext, compiler_verbose, debug)
outputfilename = os.path.abspath(outputfilename)
finally:
# workaround for a distutils bugs where some env vars can
# become longer and longer every time it is used
for key, value in saved_environ.items():
if os.environ.get(key) != value:
os.environ[key] = value
return outputfilename
def _build(tmpdir, ext, compiler_verbose=0, debug=None):
# XXX compact but horrible :-(
from cffi._shimmed_dist_utils import Distribution, CompileError, LinkError, set_threshold, set_verbosity
dist = Distribution({'ext_modules': [ext]})
dist.parse_config_files()
options = dist.get_option_dict('build_ext')
if debug is None:
debug = sys.flags.debug
options['debug'] = ('ffiplatform', debug)
options['force'] = ('ffiplatform', True)
options['build_lib'] = ('ffiplatform', tmpdir)
options['build_temp'] = ('ffiplatform', tmpdir)
#
try:
old_level = set_threshold(0) or 0
try:
set_verbosity(compiler_verbose)
dist.run_command('build_ext')
cmd_obj = dist.get_command_obj('build_ext')
[soname] = cmd_obj.get_outputs()
finally:
set_threshold(old_level)
except (CompileError, LinkError) as e:
raise VerificationError('%s: %s' % (e.__class__.__name__, e))
#
return soname
try:
from os.path import samefile
except ImportError:
def samefile(f1, f2):
return os.path.abspath(f1) == os.path.abspath(f2)
def maybe_relative_path(path):
if not os.path.isabs(path):
return path # already relative
dir = path
names = []
while True:
prevdir = dir
dir, name = os.path.split(prevdir)
if dir == prevdir or not dir:
return path # failed to make it relative
names.append(name)
try:
if samefile(dir, os.curdir):
names.reverse()
return os.path.join(*names)
except OSError:
pass
# ____________________________________________________________
try:
int_or_long = (int, long)
import cStringIO
except NameError:
int_or_long = int # Python 3
import io as cStringIO
def _flatten(x, f):
if isinstance(x, str):
f.write('%ds%s' % (len(x), x))
elif isinstance(x, dict):
keys = sorted(x.keys())
f.write('%dd' % len(keys))
for key in keys:
_flatten(key, f)
_flatten(x[key], f)
elif isinstance(x, (list, tuple)):
f.write('%dl' % len(x))
for value in x:
_flatten(value, f)
elif isinstance(x, int_or_long):
f.write('%di' % (x,))
else:
raise TypeError(
"the keywords to verify() contains unsupported object %r" % (x,))
def flatten(x):
f = cStringIO.StringIO()
_flatten(x, f)
return f.getvalue()

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.venv/lib/python3.12/site-packages/cffi/lock.py
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@@ -1,30 +0,0 @@
import sys
if sys.version_info < (3,):
try:
from thread import allocate_lock
except ImportError:
from dummy_thread import allocate_lock
else:
try:
from _thread import allocate_lock
except ImportError:
from _dummy_thread import allocate_lock
##import sys
##l1 = allocate_lock
##class allocate_lock(object):
## def __init__(self):
## self._real = l1()
## def __enter__(self):
## for i in range(4, 0, -1):
## print sys._getframe(i).f_code
## print
## return self._real.__enter__()
## def __exit__(self, *args):
## return self._real.__exit__(*args)
## def acquire(self, f):
## assert f is False
## return self._real.acquire(f)

618
.venv/lib/python3.12/site-packages/cffi/model.py
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@@ -1,618 +0,0 @@
import types
import weakref
from .lock import allocate_lock
from .error import CDefError, VerificationError, VerificationMissing
# type qualifiers
Q_CONST = 0x01
Q_RESTRICT = 0x02
Q_VOLATILE = 0x04
def qualify(quals, replace_with):
if quals & Q_CONST:
replace_with = ' const ' + replace_with.lstrip()
if quals & Q_VOLATILE:
replace_with = ' volatile ' + replace_with.lstrip()
if quals & Q_RESTRICT:
# It seems that __restrict is supported by gcc and msvc.
# If you hit some different compiler, add a #define in
# _cffi_include.h for it (and in its copies, documented there)
replace_with = ' __restrict ' + replace_with.lstrip()
return replace_with
class BaseTypeByIdentity(object):
is_array_type = False
is_raw_function = False
def get_c_name(self, replace_with='', context='a C file', quals=0):
result = self.c_name_with_marker
assert result.count('&') == 1
# some logic duplication with ffi.getctype()... :-(
replace_with = replace_with.strip()
if replace_with:
if replace_with.startswith('*') and '&[' in result:
replace_with = '(%s)' % replace_with
elif not replace_with[0] in '[(':
replace_with = ' ' + replace_with
replace_with = qualify(quals, replace_with)
result = result.replace('&', replace_with)
if '$' in result:
raise VerificationError(
"cannot generate '%s' in %s: unknown type name"
% (self._get_c_name(), context))
return result
def _get_c_name(self):
return self.c_name_with_marker.replace('&', '')
def has_c_name(self):
return '$' not in self._get_c_name()
def is_integer_type(self):
return False
def get_cached_btype(self, ffi, finishlist, can_delay=False):
try:
BType = ffi._cached_btypes[self]
except KeyError:
BType = self.build_backend_type(ffi, finishlist)
BType2 = ffi._cached_btypes.setdefault(self, BType)
assert BType2 is BType
return BType
def __repr__(self):
return '<%s>' % (self._get_c_name(),)
def _get_items(self):
return [(name, getattr(self, name)) for name in self._attrs_]
class BaseType(BaseTypeByIdentity):
def __eq__(self, other):
return (self.__class__ == other.__class__ and
self._get_items() == other._get_items())
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash((self.__class__, tuple(self._get_items())))
class VoidType(BaseType):
_attrs_ = ()
def __init__(self):
self.c_name_with_marker = 'void&'
def build_backend_type(self, ffi, finishlist):
return global_cache(self, ffi, 'new_void_type')
void_type = VoidType()
class BasePrimitiveType(BaseType):
def is_complex_type(self):
return False
class PrimitiveType(BasePrimitiveType):
_attrs_ = ('name',)
ALL_PRIMITIVE_TYPES = {
'char': 'c',
'short': 'i',
'int': 'i',
'long': 'i',
'long long': 'i',
'signed char': 'i',
'unsigned char': 'i',
'unsigned short': 'i',
'unsigned int': 'i',
'unsigned long': 'i',
'unsigned long long': 'i',
'float': 'f',
'double': 'f',
'long double': 'f',
'_cffi_float_complex_t': 'j',
'_cffi_double_complex_t': 'j',
'_Bool': 'i',
# the following types are not primitive in the C sense
'wchar_t': 'c',
'char16_t': 'c',
'char32_t': 'c',
'int8_t': 'i',
'uint8_t': 'i',
'int16_t': 'i',
'uint16_t': 'i',
'int32_t': 'i',
'uint32_t': 'i',
'int64_t': 'i',
'uint64_t': 'i',
'int_least8_t': 'i',
'uint_least8_t': 'i',
'int_least16_t': 'i',
'uint_least16_t': 'i',
'int_least32_t': 'i',
'uint_least32_t': 'i',
'int_least64_t': 'i',
'uint_least64_t': 'i',
'int_fast8_t': 'i',
'uint_fast8_t': 'i',
'int_fast16_t': 'i',
'uint_fast16_t': 'i',
'int_fast32_t': 'i',
'uint_fast32_t': 'i',
'int_fast64_t': 'i',
'uint_fast64_t': 'i',
'intptr_t': 'i',
'uintptr_t': 'i',
'intmax_t': 'i',
'uintmax_t': 'i',
'ptrdiff_t': 'i',
'size_t': 'i',
'ssize_t': 'i',
}
def __init__(self, name):
assert name in self.ALL_PRIMITIVE_TYPES
self.name = name
self.c_name_with_marker = name + '&'
def is_char_type(self):
return self.ALL_PRIMITIVE_TYPES[self.name] == 'c'
def is_integer_type(self):
return self.ALL_PRIMITIVE_TYPES[self.name] == 'i'
def is_float_type(self):
return self.ALL_PRIMITIVE_TYPES[self.name] == 'f'
def is_complex_type(self):
return self.ALL_PRIMITIVE_TYPES[self.name] == 'j'
def build_backend_type(self, ffi, finishlist):
return global_cache(self, ffi, 'new_primitive_type', self.name)
class UnknownIntegerType(BasePrimitiveType):
_attrs_ = ('name',)
def __init__(self, name):
self.name = name
self.c_name_with_marker = name + '&'
def is_integer_type(self):
return True
def build_backend_type(self, ffi, finishlist):
raise NotImplementedError("integer type '%s' can only be used after "
"compilation" % self.name)
class UnknownFloatType(BasePrimitiveType):
_attrs_ = ('name', )
def __init__(self, name):
self.name = name
self.c_name_with_marker = name + '&'
def build_backend_type(self, ffi, finishlist):
raise NotImplementedError("float type '%s' can only be used after "
"compilation" % self.name)
class BaseFunctionType(BaseType):
_attrs_ = ('args', 'result', 'ellipsis', 'abi')
def __init__(self, args, result, ellipsis, abi=None):
self.args = args
self.result = result
self.ellipsis = ellipsis
self.abi = abi
#
reprargs = [arg._get_c_name() for arg in self.args]
if self.ellipsis:
reprargs.append('...')
reprargs = reprargs or ['void']
replace_with = self._base_pattern % (', '.join(reprargs),)
if abi is not None:
replace_with = replace_with[:1] + abi + ' ' + replace_with[1:]
self.c_name_with_marker = (
self.result.c_name_with_marker.replace('&', replace_with))
class RawFunctionType(BaseFunctionType):
# Corresponds to a C type like 'int(int)', which is the C type of
# a function, but not a pointer-to-function. The backend has no
# notion of such a type; it's used temporarily by parsing.
_base_pattern = '(&)(%s)'
is_raw_function = True
def build_backend_type(self, ffi, finishlist):
raise CDefError("cannot render the type %r: it is a function "
"type, not a pointer-to-function type" % (self,))
def as_function_pointer(self):
return FunctionPtrType(self.args, self.result, self.ellipsis, self.abi)
class FunctionPtrType(BaseFunctionType):
_base_pattern = '(*&)(%s)'
def build_backend_type(self, ffi, finishlist):
result = self.result.get_cached_btype(ffi, finishlist)
args = []
for tp in self.args:
args.append(tp.get_cached_btype(ffi, finishlist))
abi_args = ()
if self.abi == "__stdcall":
if not self.ellipsis: # __stdcall ignored for variadic funcs
try:
abi_args = (ffi._backend.FFI_STDCALL,)
except AttributeError:
pass
return global_cache(self, ffi, 'new_function_type',
tuple(args), result, self.ellipsis, *abi_args)
def as_raw_function(self):
return RawFunctionType(self.args, self.result, self.ellipsis, self.abi)
class PointerType(BaseType):
_attrs_ = ('totype', 'quals')
def __init__(self, totype, quals=0):
self.totype = totype
self.quals = quals
extra = " *&"
if totype.is_array_type:
extra = "(%s)" % (extra.lstrip(),)
extra = qualify(quals, extra)
self.c_name_with_marker = totype.c_name_with_marker.replace('&', extra)
def build_backend_type(self, ffi, finishlist):
BItem = self.totype.get_cached_btype(ffi, finishlist, can_delay=True)
return global_cache(self, ffi, 'new_pointer_type', BItem)
voidp_type = PointerType(void_type)
def ConstPointerType(totype):
return PointerType(totype, Q_CONST)
const_voidp_type = ConstPointerType(void_type)
class NamedPointerType(PointerType):
_attrs_ = ('totype', 'name')
def __init__(self, totype, name, quals=0):
PointerType.__init__(self, totype, quals)
self.name = name
self.c_name_with_marker = name + '&'
class ArrayType(BaseType):
_attrs_ = ('item', 'length')
is_array_type = True
def __init__(self, item, length):
self.item = item
self.length = length
#
if length is None:
brackets = '&[]'
elif length == '...':
brackets = '&[/*...*/]'
else:
brackets = '&[%s]' % length
self.c_name_with_marker = (
self.item.c_name_with_marker.replace('&', brackets))
def length_is_unknown(self):
return isinstance(self.length, str)
def resolve_length(self, newlength):
return ArrayType(self.item, newlength)
def build_backend_type(self, ffi, finishlist):
if self.length_is_unknown():
raise CDefError("cannot render the type %r: unknown length" %
(self,))
self.item.get_cached_btype(ffi, finishlist) # force the item BType
BPtrItem = PointerType(self.item).get_cached_btype(ffi, finishlist)
return global_cache(self, ffi, 'new_array_type', BPtrItem, self.length)
char_array_type = ArrayType(PrimitiveType('char'), None)
class StructOrUnionOrEnum(BaseTypeByIdentity):
_attrs_ = ('name',)
forcename = None
def build_c_name_with_marker(self):
name = self.forcename or '%s %s' % (self.kind, self.name)
self.c_name_with_marker = name + '&'
def force_the_name(self, forcename):
self.forcename = forcename
self.build_c_name_with_marker()
def get_official_name(self):
assert self.c_name_with_marker.endswith('&')
return self.c_name_with_marker[:-1]
class StructOrUnion(StructOrUnionOrEnum):
fixedlayout = None
completed = 0
partial = False
packed = 0
def __init__(self, name, fldnames, fldtypes, fldbitsize, fldquals=None):
self.name = name
self.fldnames = fldnames
self.fldtypes = fldtypes
self.fldbitsize = fldbitsize
self.fldquals = fldquals
self.build_c_name_with_marker()
def anonymous_struct_fields(self):
if self.fldtypes is not None:
for name, type in zip(self.fldnames, self.fldtypes):
if name == '' and isinstance(type, StructOrUnion):
yield type
def enumfields(self, expand_anonymous_struct_union=True):
fldquals = self.fldquals
if fldquals is None:
fldquals = (0,) * len(self.fldnames)
for name, type, bitsize, quals in zip(self.fldnames, self.fldtypes,
self.fldbitsize, fldquals):
if (name == '' and isinstance(type, StructOrUnion)
and expand_anonymous_struct_union):
# nested anonymous struct/union
for result in type.enumfields():
yield result
else:
yield (name, type, bitsize, quals)
def force_flatten(self):
# force the struct or union to have a declaration that lists
# directly all fields returned by enumfields(), flattening
# nested anonymous structs/unions.
names = []
types = []
bitsizes = []
fldquals = []
for name, type, bitsize, quals in self.enumfields():
names.append(name)
types.append(type)
bitsizes.append(bitsize)
fldquals.append(quals)
self.fldnames = tuple(names)
self.fldtypes = tuple(types)
self.fldbitsize = tuple(bitsizes)
self.fldquals = tuple(fldquals)
def get_cached_btype(self, ffi, finishlist, can_delay=False):
BType = StructOrUnionOrEnum.get_cached_btype(self, ffi, finishlist,
can_delay)
if not can_delay:
self.finish_backend_type(ffi, finishlist)
return BType
def finish_backend_type(self, ffi, finishlist):
if self.completed:
if self.completed != 2:
raise NotImplementedError("recursive structure declaration "
"for '%s'" % (self.name,))
return
BType = ffi._cached_btypes[self]
#
self.completed = 1
#
if self.fldtypes is None:
pass # not completing it: it's an opaque struct
#
elif self.fixedlayout is None:
fldtypes = [tp.get_cached_btype(ffi, finishlist)
for tp in self.fldtypes]
lst = list(zip(self.fldnames, fldtypes, self.fldbitsize))
extra_flags = ()
if self.packed:
if self.packed == 1:
extra_flags = (8,) # SF_PACKED
else:
extra_flags = (0, self.packed)
ffi._backend.complete_struct_or_union(BType, lst, self,
-1, -1, *extra_flags)
#
else:
fldtypes = []
fieldofs, fieldsize, totalsize, totalalignment = self.fixedlayout
for i in range(len(self.fldnames)):
fsize = fieldsize[i]
ftype = self.fldtypes[i]
#
if isinstance(ftype, ArrayType) and ftype.length_is_unknown():
# fix the length to match the total size
BItemType = ftype.item.get_cached_btype(ffi, finishlist)
nlen, nrest = divmod(fsize, ffi.sizeof(BItemType))
if nrest != 0:
self._verification_error(
"field '%s.%s' has a bogus size?" % (
self.name, self.fldnames[i] or '{}'))
ftype = ftype.resolve_length(nlen)
self.fldtypes = (self.fldtypes[:i] + (ftype,) +
self.fldtypes[i+1:])
#
BFieldType = ftype.get_cached_btype(ffi, finishlist)
if isinstance(ftype, ArrayType) and ftype.length is None:
assert fsize == 0
else:
bitemsize = ffi.sizeof(BFieldType)
if bitemsize != fsize:
self._verification_error(
"field '%s.%s' is declared as %d bytes, but is "
"really %d bytes" % (self.name,
self.fldnames[i] or '{}',
bitemsize, fsize))
fldtypes.append(BFieldType)
#
lst = list(zip(self.fldnames, fldtypes, self.fldbitsize, fieldofs))
ffi._backend.complete_struct_or_union(BType, lst, self,
totalsize, totalalignment)
self.completed = 2
def _verification_error(self, msg):
raise VerificationError(msg)
def check_not_partial(self):
if self.partial and self.fixedlayout is None:
raise VerificationMissing(self._get_c_name())
def build_backend_type(self, ffi, finishlist):
self.check_not_partial()
finishlist.append(self)
#
return global_cache(self, ffi, 'new_%s_type' % self.kind,
self.get_official_name(), key=self)
class StructType(StructOrUnion):
kind = 'struct'
class UnionType(StructOrUnion):
kind = 'union'
class EnumType(StructOrUnionOrEnum):
kind = 'enum'
partial = False
partial_resolved = False
def __init__(self, name, enumerators, enumvalues, baseinttype=None):
self.name = name
self.enumerators = enumerators
self.enumvalues = enumvalues
self.baseinttype = baseinttype
self.build_c_name_with_marker()
def force_the_name(self, forcename):
StructOrUnionOrEnum.force_the_name(self, forcename)
if self.forcename is None:
name = self.get_official_name()
self.forcename = '$' + name.replace(' ', '_')
def check_not_partial(self):
if self.partial and not self.partial_resolved:
raise VerificationMissing(self._get_c_name())
def build_backend_type(self, ffi, finishlist):
self.check_not_partial()
base_btype = self.build_baseinttype(ffi, finishlist)
return global_cache(self, ffi, 'new_enum_type',
self.get_official_name(),
self.enumerators, self.enumvalues,
base_btype, key=self)
def build_baseinttype(self, ffi, finishlist):
if self.baseinttype is not None:
return self.baseinttype.get_cached_btype(ffi, finishlist)
#
if self.enumvalues:
smallest_value = min(self.enumvalues)
largest_value = max(self.enumvalues)
else:
import warnings
try:
# XXX! The goal is to ensure that the warnings.warn()
# will not suppress the warning. We want to get it
# several times if we reach this point several times.
__warningregistry__.clear()
except NameError:
pass
warnings.warn("%r has no values explicitly defined; "
"guessing that it is equivalent to 'unsigned int'"
% self._get_c_name())
smallest_value = largest_value = 0
if smallest_value < 0: # needs a signed type
sign = 1
candidate1 = PrimitiveType("int")
candidate2 = PrimitiveType("long")
else:
sign = 0
candidate1 = PrimitiveType("unsigned int")
candidate2 = PrimitiveType("unsigned long")
btype1 = candidate1.get_cached_btype(ffi, finishlist)
btype2 = candidate2.get_cached_btype(ffi, finishlist)
size1 = ffi.sizeof(btype1)
size2 = ffi.sizeof(btype2)
if (smallest_value >= ((-1) << (8*size1-1)) and
largest_value < (1 << (8*size1-sign))):
return btype1
if (smallest_value >= ((-1) << (8*size2-1)) and
largest_value < (1 << (8*size2-sign))):
return btype2
raise CDefError("%s values don't all fit into either 'long' "
"or 'unsigned long'" % self._get_c_name())
def unknown_type(name, structname=None):
if structname is None:
structname = '$%s' % name
tp = StructType(structname, None, None, None)
tp.force_the_name(name)
tp.origin = "unknown_type"
return tp
def unknown_ptr_type(name, structname=None):
if structname is None:
structname = '$$%s' % name
tp = StructType(structname, None, None, None)
return NamedPointerType(tp, name)
global_lock = allocate_lock()
_typecache_cffi_backend = weakref.WeakValueDictionary()
def get_typecache(backend):
# returns _typecache_cffi_backend if backend is the _cffi_backend
# module, or type(backend).__typecache if backend is an instance of
# CTypesBackend (or some FakeBackend class during tests)
if isinstance(backend, types.ModuleType):
return _typecache_cffi_backend
with global_lock:
if not hasattr(type(backend), '__typecache'):
type(backend).__typecache = weakref.WeakValueDictionary()
return type(backend).__typecache
def global_cache(srctype, ffi, funcname, *args, **kwds):
key = kwds.pop('key', (funcname, args))
assert not kwds
try:
return ffi._typecache[key]
except KeyError:
pass
try:
res = getattr(ffi._backend, funcname)(*args)
except NotImplementedError as e:
raise NotImplementedError("%s: %r: %s" % (funcname, srctype, e))
# note that setdefault() on WeakValueDictionary is not atomic
# and contains a rare bug (http://bugs.python.org/issue19542);
# we have to use a lock and do it ourselves
cache = ffi._typecache
with global_lock:
res1 = cache.get(key)
if res1 is None:
cache[key] = res
return res
else:
return res1
def pointer_cache(ffi, BType):
return global_cache('?', ffi, 'new_pointer_type', BType)
def attach_exception_info(e, name):
if e.args and type(e.args[0]) is str:
e.args = ('%s: %s' % (name, e.args[0]),) + e.args[1:]

181
.venv/lib/python3.12/site-packages/cffi/parse_c_type.h
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@@ -1,181 +0,0 @@
/* This part is from file 'cffi/parse_c_type.h'. It is copied at the
beginning of C sources generated by CFFI's ffi.set_source(). */
typedef void *_cffi_opcode_t;
#define _CFFI_OP(opcode, arg) (_cffi_opcode_t)(opcode | (((uintptr_t)(arg)) << 8))
#define _CFFI_GETOP(cffi_opcode) ((unsigned char)(uintptr_t)cffi_opcode)
#define _CFFI_GETARG(cffi_opcode) (((intptr_t)cffi_opcode) >> 8)
#define _CFFI_OP_PRIMITIVE 1
#define _CFFI_OP_POINTER 3
#define _CFFI_OP_ARRAY 5
#define _CFFI_OP_OPEN_ARRAY 7
#define _CFFI_OP_STRUCT_UNION 9
#define _CFFI_OP_ENUM 11
#define _CFFI_OP_FUNCTION 13
#define _CFFI_OP_FUNCTION_END 15
#define _CFFI_OP_NOOP 17
#define _CFFI_OP_BITFIELD 19
#define _CFFI_OP_TYPENAME 21
#define _CFFI_OP_CPYTHON_BLTN_V 23 // varargs
#define _CFFI_OP_CPYTHON_BLTN_N 25 // noargs
#define _CFFI_OP_CPYTHON_BLTN_O 27 // O (i.e. a single arg)
#define _CFFI_OP_CONSTANT 29
#define _CFFI_OP_CONSTANT_INT 31
#define _CFFI_OP_GLOBAL_VAR 33
#define _CFFI_OP_DLOPEN_FUNC 35
#define _CFFI_OP_DLOPEN_CONST 37
#define _CFFI_OP_GLOBAL_VAR_F 39
#define _CFFI_OP_EXTERN_PYTHON 41
#define _CFFI_PRIM_VOID 0
#define _CFFI_PRIM_BOOL 1
#define _CFFI_PRIM_CHAR 2
#define _CFFI_PRIM_SCHAR 3
#define _CFFI_PRIM_UCHAR 4
#define _CFFI_PRIM_SHORT 5
#define _CFFI_PRIM_USHORT 6
#define _CFFI_PRIM_INT 7
#define _CFFI_PRIM_UINT 8
#define _CFFI_PRIM_LONG 9
#define _CFFI_PRIM_ULONG 10
#define _CFFI_PRIM_LONGLONG 11
#define _CFFI_PRIM_ULONGLONG 12
#define _CFFI_PRIM_FLOAT 13
#define _CFFI_PRIM_DOUBLE 14
#define _CFFI_PRIM_LONGDOUBLE 15
#define _CFFI_PRIM_WCHAR 16
#define _CFFI_PRIM_INT8 17
#define _CFFI_PRIM_UINT8 18
#define _CFFI_PRIM_INT16 19
#define _CFFI_PRIM_UINT16 20
#define _CFFI_PRIM_INT32 21
#define _CFFI_PRIM_UINT32 22
#define _CFFI_PRIM_INT64 23
#define _CFFI_PRIM_UINT64 24
#define _CFFI_PRIM_INTPTR 25
#define _CFFI_PRIM_UINTPTR 26
#define _CFFI_PRIM_PTRDIFF 27
#define _CFFI_PRIM_SIZE 28
#define _CFFI_PRIM_SSIZE 29
#define _CFFI_PRIM_INT_LEAST8 30
#define _CFFI_PRIM_UINT_LEAST8 31
#define _CFFI_PRIM_INT_LEAST16 32
#define _CFFI_PRIM_UINT_LEAST16 33
#define _CFFI_PRIM_INT_LEAST32 34
#define _CFFI_PRIM_UINT_LEAST32 35
#define _CFFI_PRIM_INT_LEAST64 36
#define _CFFI_PRIM_UINT_LEAST64 37
#define _CFFI_PRIM_INT_FAST8 38
#define _CFFI_PRIM_UINT_FAST8 39
#define _CFFI_PRIM_INT_FAST16 40
#define _CFFI_PRIM_UINT_FAST16 41
#define _CFFI_PRIM_INT_FAST32 42
#define _CFFI_PRIM_UINT_FAST32 43
#define _CFFI_PRIM_INT_FAST64 44
#define _CFFI_PRIM_UINT_FAST64 45
#define _CFFI_PRIM_INTMAX 46
#define _CFFI_PRIM_UINTMAX 47
#define _CFFI_PRIM_FLOATCOMPLEX 48
#define _CFFI_PRIM_DOUBLECOMPLEX 49
#define _CFFI_PRIM_CHAR16 50
#define _CFFI_PRIM_CHAR32 51
#define _CFFI__NUM_PRIM 52
#define _CFFI__UNKNOWN_PRIM (-1)
#define _CFFI__UNKNOWN_FLOAT_PRIM (-2)
#define _CFFI__UNKNOWN_LONG_DOUBLE (-3)
#define _CFFI__IO_FILE_STRUCT (-1)
struct _cffi_global_s {
const char *name;
void *address;
_cffi_opcode_t type_op;
void *size_or_direct_fn; // OP_GLOBAL_VAR: size, or 0 if unknown
// OP_CPYTHON_BLTN_*: addr of direct function
};
struct _cffi_getconst_s {
unsigned long long value;
const struct _cffi_type_context_s *ctx;
int gindex;
};
struct _cffi_struct_union_s {
const char *name;
int type_index; // -> _cffi_types, on a OP_STRUCT_UNION
int flags; // _CFFI_F_* flags below
size_t size;
int alignment;
int first_field_index; // -> _cffi_fields array
int num_fields;
};
#define _CFFI_F_UNION 0x01 // is a union, not a struct
#define _CFFI_F_CHECK_FIELDS 0x02 // complain if fields are not in the
// "standard layout" or if some are missing
#define _CFFI_F_PACKED 0x04 // for CHECK_FIELDS, assume a packed struct
#define _CFFI_F_EXTERNAL 0x08 // in some other ffi.include()
#define _CFFI_F_OPAQUE 0x10 // opaque
struct _cffi_field_s {
const char *name;
size_t field_offset;
size_t field_size;
_cffi_opcode_t field_type_op;
};
struct _cffi_enum_s {
const char *name;
int type_index; // -> _cffi_types, on a OP_ENUM
int type_prim; // _CFFI_PRIM_xxx
const char *enumerators; // comma-delimited string
};
struct _cffi_typename_s {
const char *name;
int type_index; /* if opaque, points to a possibly artificial
OP_STRUCT which is itself opaque */
};
struct _cffi_type_context_s {
_cffi_opcode_t *types;
const struct _cffi_global_s *globals;
const struct _cffi_field_s *fields;
const struct _cffi_struct_union_s *struct_unions;
const struct _cffi_enum_s *enums;
const struct _cffi_typename_s *typenames;
int num_globals;
int num_struct_unions;
int num_enums;
int num_typenames;
const char *const *includes;
int num_types;
int flags; /* future extension */
};
struct _cffi_parse_info_s {
const struct _cffi_type_context_s *ctx;
_cffi_opcode_t *output;
unsigned int output_size;
size_t error_location;
const char *error_message;
};
struct _cffi_externpy_s {
const char *name;
size_t size_of_result;
void *reserved1, *reserved2;
};
#ifdef _CFFI_INTERNAL
static int parse_c_type(struct _cffi_parse_info_s *info, const char *input);
static int search_in_globals(const struct _cffi_type_context_s *ctx,
const char *search, size_t search_len);
static int search_in_struct_unions(const struct _cffi_type_context_s *ctx,
const char *search, size_t search_len);
#endif

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@@ -1,121 +0,0 @@
# pkg-config, https://www.freedesktop.org/wiki/Software/pkg-config/ integration for cffi
import sys, os, subprocess
from .error import PkgConfigError
def merge_flags(cfg1, cfg2):
"""Merge values from cffi config flags cfg2 to cf1
Example:
merge_flags({"libraries": ["one"]}, {"libraries": ["two"]})
{"libraries": ["one", "two"]}
"""
for key, value in cfg2.items():
if key not in cfg1:
cfg1[key] = value
else:
if not isinstance(cfg1[key], list):
raise TypeError("cfg1[%r] should be a list of strings" % (key,))
if not isinstance(value, list):
raise TypeError("cfg2[%r] should be a list of strings" % (key,))
cfg1[key].extend(value)
return cfg1
def call(libname, flag, encoding=sys.getfilesystemencoding()):
"""Calls pkg-config and returns the output if found
"""
a = ["pkg-config", "--print-errors"]
a.append(flag)
a.append(libname)
try:
pc = subprocess.Popen(a, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
except EnvironmentError as e:
raise PkgConfigError("cannot run pkg-config: %s" % (str(e).strip(),))
bout, berr = pc.communicate()
if pc.returncode != 0:
try:
berr = berr.decode(encoding)
except Exception:
pass
raise PkgConfigError(berr.strip())
if sys.version_info >= (3,) and not isinstance(bout, str): # Python 3.x
try:
bout = bout.decode(encoding)
except UnicodeDecodeError:
raise PkgConfigError("pkg-config %s %s returned bytes that cannot "
"be decoded with encoding %r:\n%r" %
(flag, libname, encoding, bout))
if os.altsep != '\\' and '\\' in bout:
raise PkgConfigError("pkg-config %s %s returned an unsupported "
"backslash-escaped output:\n%r" %
(flag, libname, bout))
return bout
def flags_from_pkgconfig(libs):
r"""Return compiler line flags for FFI.set_source based on pkg-config output
Usage
...
ffibuilder.set_source("_foo", pkgconfig = ["libfoo", "libbar >= 1.8.3"])
If pkg-config is installed on build machine, then arguments include_dirs,
library_dirs, libraries, define_macros, extra_compile_args and
extra_link_args are extended with an output of pkg-config for libfoo and
libbar.
Raises PkgConfigError in case the pkg-config call fails.
"""
def get_include_dirs(string):
return [x[2:] for x in string.split() if x.startswith("-I")]
def get_library_dirs(string):
return [x[2:] for x in string.split() if x.startswith("-L")]
def get_libraries(string):
return [x[2:] for x in string.split() if x.startswith("-l")]
# convert -Dfoo=bar to list of tuples [("foo", "bar")] expected by distutils
def get_macros(string):
def _macro(x):
x = x[2:] # drop "-D"
if '=' in x:
return tuple(x.split("=", 1)) # "-Dfoo=bar" => ("foo", "bar")
else:
return (x, None) # "-Dfoo" => ("foo", None)
return [_macro(x) for x in string.split() if x.startswith("-D")]
def get_other_cflags(string):
return [x for x in string.split() if not x.startswith("-I") and
not x.startswith("-D")]
def get_other_libs(string):
return [x for x in string.split() if not x.startswith("-L") and
not x.startswith("-l")]
# return kwargs for given libname
def kwargs(libname):
fse = sys.getfilesystemencoding()
all_cflags = call(libname, "--cflags")
all_libs = call(libname, "--libs")
return {
"include_dirs": get_include_dirs(all_cflags),
"library_dirs": get_library_dirs(all_libs),
"libraries": get_libraries(all_libs),
"define_macros": get_macros(all_cflags),
"extra_compile_args": get_other_cflags(all_cflags),
"extra_link_args": get_other_libs(all_libs),
}
# merge all arguments together
ret = {}
for libname in libs:
lib_flags = kwargs(libname)
merge_flags(ret, lib_flags)
return ret

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.venv/lib/python3.12/site-packages/cffi/setuptools_ext.py
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@@ -1,229 +0,0 @@
import os
import sys
import sysconfig
try:
basestring
except NameError:
# Python 3.x
basestring = str
def error(msg):
from cffi._shimmed_dist_utils import DistutilsSetupError
raise DistutilsSetupError(msg)
def execfile(filename, glob):
# We use execfile() (here rewritten for Python 3) instead of
# __import__() to load the build script. The problem with
# a normal import is that in some packages, the intermediate
# __init__.py files may already try to import the file that
# we are generating.
with open(filename) as f:
src = f.read()
src += '\n' # Python 2.6 compatibility
code = compile(src, filename, 'exec')
exec(code, glob, glob)
def add_cffi_module(dist, mod_spec):
from cffi.api import FFI
if not isinstance(mod_spec, basestring):
error("argument to 'cffi_modules=...' must be a str or a list of str,"
" not %r" % (type(mod_spec).__name__,))
mod_spec = str(mod_spec)
try:
build_file_name, ffi_var_name = mod_spec.split(':')
except ValueError:
error("%r must be of the form 'path/build.py:ffi_variable'" %
(mod_spec,))
if not os.path.exists(build_file_name):
ext = ''
rewritten = build_file_name.replace('.', '/') + '.py'
if os.path.exists(rewritten):
ext = ' (rewrite cffi_modules to [%r])' % (
rewritten + ':' + ffi_var_name,)
error("%r does not name an existing file%s" % (build_file_name, ext))
mod_vars = {'__name__': '__cffi__', '__file__': build_file_name}
execfile(build_file_name, mod_vars)
try:
ffi = mod_vars[ffi_var_name]
except KeyError:
error("%r: object %r not found in module" % (mod_spec,
ffi_var_name))
if not isinstance(ffi, FFI):
ffi = ffi() # maybe it's a function instead of directly an ffi
if not isinstance(ffi, FFI):
error("%r is not an FFI instance (got %r)" % (mod_spec,
type(ffi).__name__))
if not hasattr(ffi, '_assigned_source'):
error("%r: the set_source() method was not called" % (mod_spec,))
module_name, source, source_extension, kwds = ffi._assigned_source
if ffi._windows_unicode:
kwds = kwds.copy()
ffi._apply_windows_unicode(kwds)
if source is None:
_add_py_module(dist, ffi, module_name)
else:
_add_c_module(dist, ffi, module_name, source, source_extension, kwds)
def _set_py_limited_api(Extension, kwds):
"""
Add py_limited_api to kwds if setuptools >= 26 is in use.
Do not alter the setting if it already exists.
Setuptools takes care of ignoring the flag on Python 2 and PyPy.
CPython itself should ignore the flag in a debugging version
(by not listing .abi3.so in the extensions it supports), but
it doesn't so far, creating troubles. That's why we check
for "not hasattr(sys, 'gettotalrefcount')" (the 2.7 compatible equivalent
of 'd' not in sys.abiflags). (http://bugs.python.org/issue28401)
On Windows, with CPython <= 3.4, it's better not to use py_limited_api
because virtualenv *still* doesn't copy PYTHON3.DLL on these versions.
Recently (2020) we started shipping only >= 3.5 wheels, though. So
we'll give it another try and set py_limited_api on Windows >= 3.5.
"""
from cffi._shimmed_dist_utils import log
from cffi import recompiler
if ('py_limited_api' not in kwds and not hasattr(sys, 'gettotalrefcount')
and recompiler.USE_LIMITED_API):
import setuptools
try:
setuptools_major_version = int(setuptools.__version__.partition('.')[0])
if setuptools_major_version >= 26:
kwds['py_limited_api'] = True
except ValueError: # certain development versions of setuptools
# If we don't know the version number of setuptools, we
# try to set 'py_limited_api' anyway. At worst, we get a
# warning.
kwds['py_limited_api'] = True
if sysconfig.get_config_var("Py_GIL_DISABLED"):
if kwds.get('py_limited_api'):
log.info("Ignoring py_limited_api=True for free-threaded build.")
kwds['py_limited_api'] = False
if kwds.get('py_limited_api') is False:
# avoid setting Py_LIMITED_API if py_limited_api=False
# which _cffi_include.h does unless _CFFI_NO_LIMITED_API is defined
kwds.setdefault("define_macros", []).append(("_CFFI_NO_LIMITED_API", None))
return kwds
def _add_c_module(dist, ffi, module_name, source, source_extension, kwds):
# We are a setuptools extension. Need this build_ext for py_limited_api.
from setuptools.command.build_ext import build_ext
from cffi._shimmed_dist_utils import Extension, log, mkpath
from cffi import recompiler
allsources = ['$PLACEHOLDER']
allsources.extend(kwds.pop('sources', []))
kwds = _set_py_limited_api(Extension, kwds)
ext = Extension(name=module_name, sources=allsources, **kwds)
def make_mod(tmpdir, pre_run=None):
c_file = os.path.join(tmpdir, module_name + source_extension)
log.info("generating cffi module %r" % c_file)
mkpath(tmpdir)
# a setuptools-only, API-only hook: called with the "ext" and "ffi"
# arguments just before we turn the ffi into C code. To use it,
# subclass the 'distutils.command.build_ext.build_ext' class and
# add a method 'def pre_run(self, ext, ffi)'.
if pre_run is not None:
pre_run(ext, ffi)
updated = recompiler.make_c_source(ffi, module_name, source, c_file)
if not updated:
log.info("already up-to-date")
return c_file
if dist.ext_modules is None:
dist.ext_modules = []
dist.ext_modules.append(ext)
base_class = dist.cmdclass.get('build_ext', build_ext)
class build_ext_make_mod(base_class):
def run(self):
if ext.sources[0] == '$PLACEHOLDER':
pre_run = getattr(self, 'pre_run', None)
ext.sources[0] = make_mod(self.build_temp, pre_run)
base_class.run(self)
dist.cmdclass['build_ext'] = build_ext_make_mod
# NB. multiple runs here will create multiple 'build_ext_make_mod'
# classes. Even in this case the 'build_ext' command should be
# run once; but just in case, the logic above does nothing if
# called again.
def _add_py_module(dist, ffi, module_name):
from setuptools.command.build_py import build_py
from setuptools.command.build_ext import build_ext
from cffi._shimmed_dist_utils import log, mkpath
from cffi import recompiler
def generate_mod(py_file):
log.info("generating cffi module %r" % py_file)
mkpath(os.path.dirname(py_file))
updated = recompiler.make_py_source(ffi, module_name, py_file)
if not updated:
log.info("already up-to-date")
base_class = dist.cmdclass.get('build_py', build_py)
class build_py_make_mod(base_class):
def run(self):
base_class.run(self)
module_path = module_name.split('.')
module_path[-1] += '.py'
generate_mod(os.path.join(self.build_lib, *module_path))
def get_source_files(self):
# This is called from 'setup.py sdist' only. Exclude
# the generate .py module in this case.
saved_py_modules = self.py_modules
try:
if saved_py_modules:
self.py_modules = [m for m in saved_py_modules
if m != module_name]
return base_class.get_source_files(self)
finally:
self.py_modules = saved_py_modules
dist.cmdclass['build_py'] = build_py_make_mod
# distutils and setuptools have no notion I could find of a
# generated python module. If we don't add module_name to
# dist.py_modules, then things mostly work but there are some
# combination of options (--root and --record) that will miss
# the module. So we add it here, which gives a few apparently
# harmless warnings about not finding the file outside the
# build directory.
# Then we need to hack more in get_source_files(); see above.
if dist.py_modules is None:
dist.py_modules = []
dist.py_modules.append(module_name)
# the following is only for "build_ext -i"
base_class_2 = dist.cmdclass.get('build_ext', build_ext)
class build_ext_make_mod(base_class_2):
def run(self):
base_class_2.run(self)
if self.inplace:
# from get_ext_fullpath() in distutils/command/build_ext.py
module_path = module_name.split('.')
package = '.'.join(module_path[:-1])
build_py = self.get_finalized_command('build_py')
package_dir = build_py.get_package_dir(package)
file_name = module_path[-1] + '.py'
generate_mod(os.path.join(package_dir, file_name))
dist.cmdclass['build_ext'] = build_ext_make_mod
def cffi_modules(dist, attr, value):
assert attr == 'cffi_modules'
if isinstance(value, basestring):
value = [value]
for cffi_module in value:
add_cffi_module(dist, cffi_module)

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#
# DEPRECATED: implementation for ffi.verify()
#
import sys, os
import types
from . import model
from .error import VerificationError
class VGenericEngine(object):
_class_key = 'g'
_gen_python_module = False
def __init__(self, verifier):
self.verifier = verifier
self.ffi = verifier.ffi
self.export_symbols = []
self._struct_pending_verification = {}
def patch_extension_kwds(self, kwds):
# add 'export_symbols' to the dictionary. Note that we add the
# list before filling it. When we fill it, it will thus also show
# up in kwds['export_symbols'].
kwds.setdefault('export_symbols', self.export_symbols)
def find_module(self, module_name, path, so_suffixes):
for so_suffix in so_suffixes:
basename = module_name + so_suffix
if path is None:
path = sys.path
for dirname in path:
filename = os.path.join(dirname, basename)
if os.path.isfile(filename):
return filename
def collect_types(self):
pass # not needed in the generic engine
def _prnt(self, what=''):
self._f.write(what + '\n')
def write_source_to_f(self):
prnt = self._prnt
# first paste some standard set of lines that are mostly '#include'
prnt(cffimod_header)
# then paste the C source given by the user, verbatim.
prnt(self.verifier.preamble)
#
# call generate_gen_xxx_decl(), for every xxx found from
# ffi._parser._declarations. This generates all the functions.
self._generate('decl')
#
# on Windows, distutils insists on putting init_cffi_xyz in
# 'export_symbols', so instead of fighting it, just give up and
# give it one
if sys.platform == 'win32':
if sys.version_info >= (3,):
prefix = 'PyInit_'
else:
prefix = 'init'
modname = self.verifier.get_module_name()
prnt("void %s%s(void) { }\n" % (prefix, modname))
def load_library(self, flags=0):
# import it with the CFFI backend
backend = self.ffi._backend
# needs to make a path that contains '/', on Posix
filename = os.path.join(os.curdir, self.verifier.modulefilename)
module = backend.load_library(filename, flags)
#
# call loading_gen_struct() to get the struct layout inferred by
# the C compiler
self._load(module, 'loading')
# build the FFILibrary class and instance, this is a module subclass
# because modules are expected to have usually-constant-attributes and
# in PyPy this means the JIT is able to treat attributes as constant,
# which we want.
class FFILibrary(types.ModuleType):
_cffi_generic_module = module
_cffi_ffi = self.ffi
_cffi_dir = []
def __dir__(self):
return FFILibrary._cffi_dir
library = FFILibrary("")
#
# finally, call the loaded_gen_xxx() functions. This will set
# up the 'library' object.
self._load(module, 'loaded', library=library)
return library
def _get_declarations(self):
lst = [(key, tp) for (key, (tp, qual)) in
self.ffi._parser._declarations.items()]
lst.sort()
return lst
def _generate(self, step_name):
for name, tp in self._get_declarations():
kind, realname = name.split(' ', 1)
try:
method = getattr(self, '_generate_gen_%s_%s' % (kind,
step_name))
except AttributeError:
raise VerificationError(
"not implemented in verify(): %r" % name)
try:
method(tp, realname)
except Exception as e:
model.attach_exception_info(e, name)
raise
def _load(self, module, step_name, **kwds):
for name, tp in self._get_declarations():
kind, realname = name.split(' ', 1)
method = getattr(self, '_%s_gen_%s' % (step_name, kind))
try:
method(tp, realname, module, **kwds)
except Exception as e:
model.attach_exception_info(e, name)
raise
def _generate_nothing(self, tp, name):
pass
def _loaded_noop(self, tp, name, module, **kwds):
pass
# ----------
# typedefs: generates no code so far
_generate_gen_typedef_decl = _generate_nothing
_loading_gen_typedef = _loaded_noop
_loaded_gen_typedef = _loaded_noop
# ----------
# function declarations
def _generate_gen_function_decl(self, tp, name):
assert isinstance(tp, model.FunctionPtrType)
if tp.ellipsis:
# cannot support vararg functions better than this: check for its
# exact type (including the fixed arguments), and build it as a
# constant function pointer (no _cffi_f_%s wrapper)
self._generate_gen_const(False, name, tp)
return
prnt = self._prnt
numargs = len(tp.args)
argnames = []
for i, type in enumerate(tp.args):
indirection = ''
if isinstance(type, model.StructOrUnion):
indirection = '*'
argnames.append('%sx%d' % (indirection, i))
context = 'argument of %s' % name
arglist = [type.get_c_name(' %s' % arg, context)
for type, arg in zip(tp.args, argnames)]
tpresult = tp.result
if isinstance(tpresult, model.StructOrUnion):
arglist.insert(0, tpresult.get_c_name(' *r', context))
tpresult = model.void_type
arglist = ', '.join(arglist) or 'void'
wrappername = '_cffi_f_%s' % name
self.export_symbols.append(wrappername)
if tp.abi:
abi = tp.abi + ' '
else:
abi = ''
funcdecl = ' %s%s(%s)' % (abi, wrappername, arglist)
context = 'result of %s' % name
prnt(tpresult.get_c_name(funcdecl, context))
prnt('{')
#
if isinstance(tp.result, model.StructOrUnion):
result_code = '*r = '
elif not isinstance(tp.result, model.VoidType):
result_code = 'return '
else:
result_code = ''
prnt(' %s%s(%s);' % (result_code, name, ', '.join(argnames)))
prnt('}')
prnt()
_loading_gen_function = _loaded_noop
def _loaded_gen_function(self, tp, name, module, library):
assert isinstance(tp, model.FunctionPtrType)
if tp.ellipsis:
newfunction = self._load_constant(False, tp, name, module)
else:
indirections = []
base_tp = tp
if (any(isinstance(typ, model.StructOrUnion) for typ in tp.args)
or isinstance(tp.result, model.StructOrUnion)):
indirect_args = []
for i, typ in enumerate(tp.args):
if isinstance(typ, model.StructOrUnion):
typ = model.PointerType(typ)
indirections.append((i, typ))
indirect_args.append(typ)
indirect_result = tp.result
if isinstance(indirect_result, model.StructOrUnion):
if indirect_result.fldtypes is None:
raise TypeError("'%s' is used as result type, "
"but is opaque" % (
indirect_result._get_c_name(),))
indirect_result = model.PointerType(indirect_result)
indirect_args.insert(0, indirect_result)
indirections.insert(0, ("result", indirect_result))
indirect_result = model.void_type
tp = model.FunctionPtrType(tuple(indirect_args),
indirect_result, tp.ellipsis)
BFunc = self.ffi._get_cached_btype(tp)
wrappername = '_cffi_f_%s' % name
newfunction = module.load_function(BFunc, wrappername)
for i, typ in indirections:
newfunction = self._make_struct_wrapper(newfunction, i, typ,
base_tp)
setattr(library, name, newfunction)
type(library)._cffi_dir.append(name)
def _make_struct_wrapper(self, oldfunc, i, tp, base_tp):
backend = self.ffi._backend
BType = self.ffi._get_cached_btype(tp)
if i == "result":
ffi = self.ffi
def newfunc(*args):
res = ffi.new(BType)
oldfunc(res, *args)
return res[0]
else:
def newfunc(*args):
args = args[:i] + (backend.newp(BType, args[i]),) + args[i+1:]
return oldfunc(*args)
newfunc._cffi_base_type = base_tp
return newfunc
# ----------
# named structs
def _generate_gen_struct_decl(self, tp, name):
assert name == tp.name
self._generate_struct_or_union_decl(tp, 'struct', name)
def _loading_gen_struct(self, tp, name, module):
self._loading_struct_or_union(tp, 'struct', name, module)
def _loaded_gen_struct(self, tp, name, module, **kwds):
self._loaded_struct_or_union(tp)
def _generate_gen_union_decl(self, tp, name):
assert name == tp.name
self._generate_struct_or_union_decl(tp, 'union', name)
def _loading_gen_union(self, tp, name, module):
self._loading_struct_or_union(tp, 'union', name, module)
def _loaded_gen_union(self, tp, name, module, **kwds):
self._loaded_struct_or_union(tp)
def _generate_struct_or_union_decl(self, tp, prefix, name):
if tp.fldnames is None:
return # nothing to do with opaque structs
checkfuncname = '_cffi_check_%s_%s' % (prefix, name)
layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name)
cname = ('%s %s' % (prefix, name)).strip()
#
prnt = self._prnt
prnt('static void %s(%s *p)' % (checkfuncname, cname))
prnt('{')
prnt(' /* only to generate compile-time warnings or errors */')
prnt(' (void)p;')
for fname, ftype, fbitsize, fqual in tp.enumfields():
if (isinstance(ftype, model.PrimitiveType)
and ftype.is_integer_type()) or fbitsize >= 0:
# accept all integers, but complain on float or double
prnt(' (void)((p->%s) << 1);' % fname)
else:
# only accept exactly the type declared.
try:
prnt(' { %s = &p->%s; (void)tmp; }' % (
ftype.get_c_name('*tmp', 'field %r'%fname, quals=fqual),
fname))
except VerificationError as e:
prnt(' /* %s */' % str(e)) # cannot verify it, ignore
prnt('}')
self.export_symbols.append(layoutfuncname)
prnt('intptr_t %s(intptr_t i)' % (layoutfuncname,))
prnt('{')
prnt(' struct _cffi_aligncheck { char x; %s y; };' % cname)
prnt(' static intptr_t nums[] = {')
prnt(' sizeof(%s),' % cname)
prnt(' offsetof(struct _cffi_aligncheck, y),')
for fname, ftype, fbitsize, fqual in tp.enumfields():
if fbitsize >= 0:
continue # xxx ignore fbitsize for now
prnt(' offsetof(%s, %s),' % (cname, fname))
if isinstance(ftype, model.ArrayType) and ftype.length is None:
prnt(' 0, /* %s */' % ftype._get_c_name())
else:
prnt(' sizeof(((%s *)0)->%s),' % (cname, fname))
prnt(' -1')
prnt(' };')
prnt(' return nums[i];')
prnt(' /* the next line is not executed, but compiled */')
prnt(' %s(0);' % (checkfuncname,))
prnt('}')
prnt()
def _loading_struct_or_union(self, tp, prefix, name, module):
if tp.fldnames is None:
return # nothing to do with opaque structs
layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name)
#
BFunc = self.ffi._typeof_locked("intptr_t(*)(intptr_t)")[0]
function = module.load_function(BFunc, layoutfuncname)
layout = []
num = 0
while True:
x = function(num)
if x < 0: break
layout.append(x)
num += 1
if isinstance(tp, model.StructOrUnion) and tp.partial:
# use the function()'s sizes and offsets to guide the
# layout of the struct
totalsize = layout[0]
totalalignment = layout[1]
fieldofs = layout[2::2]
fieldsize = layout[3::2]
tp.force_flatten()
assert len(fieldofs) == len(fieldsize) == len(tp.fldnames)
tp.fixedlayout = fieldofs, fieldsize, totalsize, totalalignment
else:
cname = ('%s %s' % (prefix, name)).strip()
self._struct_pending_verification[tp] = layout, cname
def _loaded_struct_or_union(self, tp):
if tp.fldnames is None:
return # nothing to do with opaque structs
self.ffi._get_cached_btype(tp) # force 'fixedlayout' to be considered
if tp in self._struct_pending_verification:
# check that the layout sizes and offsets match the real ones
def check(realvalue, expectedvalue, msg):
if realvalue != expectedvalue:
raise VerificationError(
"%s (we have %d, but C compiler says %d)"
% (msg, expectedvalue, realvalue))
ffi = self.ffi
BStruct = ffi._get_cached_btype(tp)
layout, cname = self._struct_pending_verification.pop(tp)
check(layout[0], ffi.sizeof(BStruct), "wrong total size")
check(layout[1], ffi.alignof(BStruct), "wrong total alignment")
i = 2
for fname, ftype, fbitsize, fqual in tp.enumfields():
if fbitsize >= 0:
continue # xxx ignore fbitsize for now
check(layout[i], ffi.offsetof(BStruct, fname),
"wrong offset for field %r" % (fname,))
if layout[i+1] != 0:
BField = ffi._get_cached_btype(ftype)
check(layout[i+1], ffi.sizeof(BField),
"wrong size for field %r" % (fname,))
i += 2
assert i == len(layout)
# ----------
# 'anonymous' declarations. These are produced for anonymous structs
# or unions; the 'name' is obtained by a typedef.
def _generate_gen_anonymous_decl(self, tp, name):
if isinstance(tp, model.EnumType):
self._generate_gen_enum_decl(tp, name, '')
else:
self._generate_struct_or_union_decl(tp, '', name)
def _loading_gen_anonymous(self, tp, name, module):
if isinstance(tp, model.EnumType):
self._loading_gen_enum(tp, name, module, '')
else:
self._loading_struct_or_union(tp, '', name, module)
def _loaded_gen_anonymous(self, tp, name, module, **kwds):
if isinstance(tp, model.EnumType):
self._loaded_gen_enum(tp, name, module, **kwds)
else:
self._loaded_struct_or_union(tp)
# ----------
# constants, likely declared with '#define'
def _generate_gen_const(self, is_int, name, tp=None, category='const',
check_value=None):
prnt = self._prnt
funcname = '_cffi_%s_%s' % (category, name)
self.export_symbols.append(funcname)
if check_value is not None:
assert is_int
assert category == 'const'
prnt('int %s(char *out_error)' % funcname)
prnt('{')
self._check_int_constant_value(name, check_value)
prnt(' return 0;')
prnt('}')
elif is_int:
assert category == 'const'
prnt('int %s(long long *out_value)' % funcname)
prnt('{')
prnt(' *out_value = (long long)(%s);' % (name,))
prnt(' return (%s) <= 0;' % (name,))
prnt('}')
else:
assert tp is not None
assert check_value is None
if category == 'var':
ampersand = '&'
else:
ampersand = ''
extra = ''
if category == 'const' and isinstance(tp, model.StructOrUnion):
extra = 'const *'
ampersand = '&'
prnt(tp.get_c_name(' %s%s(void)' % (extra, funcname), name))
prnt('{')
prnt(' return (%s%s);' % (ampersand, name))
prnt('}')
prnt()
def _generate_gen_constant_decl(self, tp, name):
is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type()
self._generate_gen_const(is_int, name, tp)
_loading_gen_constant = _loaded_noop
def _load_constant(self, is_int, tp, name, module, check_value=None):
funcname = '_cffi_const_%s' % name
if check_value is not None:
assert is_int
self._load_known_int_constant(module, funcname)
value = check_value
elif is_int:
BType = self.ffi._typeof_locked("long long*")[0]
BFunc = self.ffi._typeof_locked("int(*)(long long*)")[0]
function = module.load_function(BFunc, funcname)
p = self.ffi.new(BType)
negative = function(p)
value = int(p[0])
if value < 0 and not negative:
BLongLong = self.ffi._typeof_locked("long long")[0]
value += (1 << (8*self.ffi.sizeof(BLongLong)))
else:
assert check_value is None
fntypeextra = '(*)(void)'
if isinstance(tp, model.StructOrUnion):
fntypeextra = '*' + fntypeextra
BFunc = self.ffi._typeof_locked(tp.get_c_name(fntypeextra, name))[0]
function = module.load_function(BFunc, funcname)
value = function()
if isinstance(tp, model.StructOrUnion):
value = value[0]
return value
def _loaded_gen_constant(self, tp, name, module, library):
is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type()
value = self._load_constant(is_int, tp, name, module)
setattr(library, name, value)
type(library)._cffi_dir.append(name)
# ----------
# enums
def _check_int_constant_value(self, name, value):
prnt = self._prnt
if value <= 0:
prnt(' if ((%s) > 0 || (long)(%s) != %dL) {' % (
name, name, value))
else:
prnt(' if ((%s) <= 0 || (unsigned long)(%s) != %dUL) {' % (
name, name, value))
prnt(' char buf[64];')
prnt(' if ((%s) <= 0)' % name)
prnt(' sprintf(buf, "%%ld", (long)(%s));' % name)
prnt(' else')
prnt(' sprintf(buf, "%%lu", (unsigned long)(%s));' %
name)
prnt(' sprintf(out_error, "%s has the real value %s, not %s",')
prnt(' "%s", buf, "%d");' % (name[:100], value))
prnt(' return -1;')
prnt(' }')
def _load_known_int_constant(self, module, funcname):
BType = self.ffi._typeof_locked("char[]")[0]
BFunc = self.ffi._typeof_locked("int(*)(char*)")[0]
function = module.load_function(BFunc, funcname)
p = self.ffi.new(BType, 256)
if function(p) < 0:
error = self.ffi.string(p)
if sys.version_info >= (3,):
error = str(error, 'utf-8')
raise VerificationError(error)
def _enum_funcname(self, prefix, name):
# "$enum_$1" => "___D_enum____D_1"
name = name.replace('$', '___D_')
return '_cffi_e_%s_%s' % (prefix, name)
def _generate_gen_enum_decl(self, tp, name, prefix='enum'):
if tp.partial:
for enumerator in tp.enumerators:
self._generate_gen_const(True, enumerator)
return
#
funcname = self._enum_funcname(prefix, name)
self.export_symbols.append(funcname)
prnt = self._prnt
prnt('int %s(char *out_error)' % funcname)
prnt('{')
for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues):
self._check_int_constant_value(enumerator, enumvalue)
prnt(' return 0;')
prnt('}')
prnt()
def _loading_gen_enum(self, tp, name, module, prefix='enum'):
if tp.partial:
enumvalues = [self._load_constant(True, tp, enumerator, module)
for enumerator in tp.enumerators]
tp.enumvalues = tuple(enumvalues)
tp.partial_resolved = True
else:
funcname = self._enum_funcname(prefix, name)
self._load_known_int_constant(module, funcname)
def _loaded_gen_enum(self, tp, name, module, library):
for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues):
setattr(library, enumerator, enumvalue)
type(library)._cffi_dir.append(enumerator)
# ----------
# macros: for now only for integers
def _generate_gen_macro_decl(self, tp, name):
if tp == '...':
check_value = None
else:
check_value = tp # an integer
self._generate_gen_const(True, name, check_value=check_value)
_loading_gen_macro = _loaded_noop
def _loaded_gen_macro(self, tp, name, module, library):
if tp == '...':
check_value = None
else:
check_value = tp # an integer
value = self._load_constant(True, tp, name, module,
check_value=check_value)
setattr(library, name, value)
type(library)._cffi_dir.append(name)
# ----------
# global variables
def _generate_gen_variable_decl(self, tp, name):
if isinstance(tp, model.ArrayType):
if tp.length_is_unknown():
prnt = self._prnt
funcname = '_cffi_sizeof_%s' % (name,)
self.export_symbols.append(funcname)
prnt("size_t %s(void)" % funcname)
prnt("{")
prnt(" return sizeof(%s);" % (name,))
prnt("}")
tp_ptr = model.PointerType(tp.item)
self._generate_gen_const(False, name, tp_ptr)
else:
tp_ptr = model.PointerType(tp)
self._generate_gen_const(False, name, tp_ptr, category='var')
_loading_gen_variable = _loaded_noop
def _loaded_gen_variable(self, tp, name, module, library):
if isinstance(tp, model.ArrayType): # int a[5] is "constant" in the
# sense that "a=..." is forbidden
if tp.length_is_unknown():
funcname = '_cffi_sizeof_%s' % (name,)
BFunc = self.ffi._typeof_locked('size_t(*)(void)')[0]
function = module.load_function(BFunc, funcname)
size = function()
BItemType = self.ffi._get_cached_btype(tp.item)
length, rest = divmod(size, self.ffi.sizeof(BItemType))
if rest != 0:
raise VerificationError(
"bad size: %r does not seem to be an array of %s" %
(name, tp.item))
tp = tp.resolve_length(length)
tp_ptr = model.PointerType(tp.item)
value = self._load_constant(False, tp_ptr, name, module)
# 'value' is a <cdata 'type *'> which we have to replace with
# a <cdata 'type[N]'> if the N is actually known
if tp.length is not None:
BArray = self.ffi._get_cached_btype(tp)
value = self.ffi.cast(BArray, value)
setattr(library, name, value)
type(library)._cffi_dir.append(name)
return
# remove ptr=<cdata 'int *'> from the library instance, and replace
# it by a property on the class, which reads/writes into ptr[0].
funcname = '_cffi_var_%s' % name
BFunc = self.ffi._typeof_locked(tp.get_c_name('*(*)(void)', name))[0]
function = module.load_function(BFunc, funcname)
ptr = function()
def getter(library):
return ptr[0]
def setter(library, value):
ptr[0] = value
setattr(type(library), name, property(getter, setter))
type(library)._cffi_dir.append(name)
cffimod_header = r'''
#include <stdio.h>
#include <stddef.h>
#include <stdarg.h>
#include <errno.h>
#include <sys/types.h> /* XXX for ssize_t on some platforms */
/* this block of #ifs should be kept exactly identical between
c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py
and cffi/_cffi_include.h */
#if defined(_MSC_VER)
# include <malloc.h> /* for alloca() */
# if _MSC_VER < 1600 /* MSVC < 2010 */
typedef __int8 int8_t;
typedef __int16 int16_t;
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
typedef __int8 int_least8_t;
typedef __int16 int_least16_t;
typedef __int32 int_least32_t;
typedef __int64 int_least64_t;
typedef unsigned __int8 uint_least8_t;
typedef unsigned __int16 uint_least16_t;
typedef unsigned __int32 uint_least32_t;
typedef unsigned __int64 uint_least64_t;
typedef __int8 int_fast8_t;
typedef __int16 int_fast16_t;
typedef __int32 int_fast32_t;
typedef __int64 int_fast64_t;
typedef unsigned __int8 uint_fast8_t;
typedef unsigned __int16 uint_fast16_t;
typedef unsigned __int32 uint_fast32_t;
typedef unsigned __int64 uint_fast64_t;
typedef __int64 intmax_t;
typedef unsigned __int64 uintmax_t;
# else
# include <stdint.h>
# endif
# if _MSC_VER < 1800 /* MSVC < 2013 */
# ifndef __cplusplus
typedef unsigned char _Bool;
# endif
# endif
# define _cffi_float_complex_t _Fcomplex /* include <complex.h> for it */
# define _cffi_double_complex_t _Dcomplex /* include <complex.h> for it */
#else
# include <stdint.h>
# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux)
# include <alloca.h>
# endif
# define _cffi_float_complex_t float _Complex
# define _cffi_double_complex_t double _Complex
#endif
'''

306
.venv/lib/python3.12/site-packages/cffi/verifier.py
View File

@@ -1,306 +0,0 @@
#
# DEPRECATED: implementation for ffi.verify()
#
import sys, os, binascii, shutil, io
from . import __version_verifier_modules__
from . import ffiplatform
from .error import VerificationError
if sys.version_info >= (3, 3):
import importlib.machinery
def _extension_suffixes():
return importlib.machinery.EXTENSION_SUFFIXES[:]
else:
import imp
def _extension_suffixes():
return [suffix for suffix, _, type in imp.get_suffixes()
if type == imp.C_EXTENSION]
if sys.version_info >= (3,):
NativeIO = io.StringIO
else:
class NativeIO(io.BytesIO):
def write(self, s):
if isinstance(s, unicode):
s = s.encode('ascii')
super(NativeIO, self).write(s)
class Verifier(object):
def __init__(self, ffi, preamble, tmpdir=None, modulename=None,
ext_package=None, tag='', force_generic_engine=False,
source_extension='.c', flags=None, relative_to=None, **kwds):
if ffi._parser._uses_new_feature:
raise VerificationError(
"feature not supported with ffi.verify(), but only "
"with ffi.set_source(): %s" % (ffi._parser._uses_new_feature,))
self.ffi = ffi
self.preamble = preamble
if not modulename:
flattened_kwds = ffiplatform.flatten(kwds)
vengine_class = _locate_engine_class(ffi, force_generic_engine)
self._vengine = vengine_class(self)
self._vengine.patch_extension_kwds(kwds)
self.flags = flags
self.kwds = self.make_relative_to(kwds, relative_to)
#
if modulename:
if tag:
raise TypeError("can't specify both 'modulename' and 'tag'")
else:
key = '\x00'.join(['%d.%d' % sys.version_info[:2],
__version_verifier_modules__,
preamble, flattened_kwds] +
ffi._cdefsources)
if sys.version_info >= (3,):
key = key.encode('utf-8')
k1 = hex(binascii.crc32(key[0::2]) & 0xffffffff)
k1 = k1.lstrip('0x').rstrip('L')
k2 = hex(binascii.crc32(key[1::2]) & 0xffffffff)
k2 = k2.lstrip('0').rstrip('L')
modulename = '_cffi_%s_%s%s%s' % (tag, self._vengine._class_key,
k1, k2)
suffix = _get_so_suffixes()[0]
self.tmpdir = tmpdir or _caller_dir_pycache()
self.sourcefilename = os.path.join(self.tmpdir, modulename + source_extension)
self.modulefilename = os.path.join(self.tmpdir, modulename + suffix)
self.ext_package = ext_package
self._has_source = False
self._has_module = False
def write_source(self, file=None):
"""Write the C source code. It is produced in 'self.sourcefilename',
which can be tweaked beforehand."""
with self.ffi._lock:
if self._has_source and file is None:
raise VerificationError(
"source code already written")
self._write_source(file)
def compile_module(self):
"""Write the C source code (if not done already) and compile it.
This produces a dynamic link library in 'self.modulefilename'."""
with self.ffi._lock:
if self._has_module:
raise VerificationError("module already compiled")
if not self._has_source:
self._write_source()
self._compile_module()
def load_library(self):
"""Get a C module from this Verifier instance.
Returns an instance of a FFILibrary class that behaves like the
objects returned by ffi.dlopen(), but that delegates all
operations to the C module. If necessary, the C code is written
and compiled first.
"""
with self.ffi._lock:
if not self._has_module:
self._locate_module()
if not self._has_module:
if not self._has_source:
self._write_source()
self._compile_module()
return self._load_library()
def get_module_name(self):
basename = os.path.basename(self.modulefilename)
# kill both the .so extension and the other .'s, as introduced
# by Python 3: 'basename.cpython-33m.so'
basename = basename.split('.', 1)[0]
# and the _d added in Python 2 debug builds --- but try to be
# conservative and not kill a legitimate _d
if basename.endswith('_d') and hasattr(sys, 'gettotalrefcount'):
basename = basename[:-2]
return basename
def get_extension(self):
if not self._has_source:
with self.ffi._lock:
if not self._has_source:
self._write_source()
sourcename = ffiplatform.maybe_relative_path(self.sourcefilename)
modname = self.get_module_name()
return ffiplatform.get_extension(sourcename, modname, **self.kwds)
def generates_python_module(self):
return self._vengine._gen_python_module
def make_relative_to(self, kwds, relative_to):
if relative_to and os.path.dirname(relative_to):
dirname = os.path.dirname(relative_to)
kwds = kwds.copy()
for key in ffiplatform.LIST_OF_FILE_NAMES:
if key in kwds:
lst = kwds[key]
if not isinstance(lst, (list, tuple)):
raise TypeError("keyword '%s' should be a list or tuple"
% (key,))
lst = [os.path.join(dirname, fn) for fn in lst]
kwds[key] = lst
return kwds
# ----------
def _locate_module(self):
if not os.path.isfile(self.modulefilename):
if self.ext_package:
try:
pkg = __import__(self.ext_package, None, None, ['__doc__'])
except ImportError:
return # cannot import the package itself, give up
# (e.g. it might be called differently before installation)
path = pkg.__path__
else:
path = None
filename = self._vengine.find_module(self.get_module_name(), path,
_get_so_suffixes())
if filename is None:
return
self.modulefilename = filename
self._vengine.collect_types()
self._has_module = True
def _write_source_to(self, file):
self._vengine._f = file
try:
self._vengine.write_source_to_f()
finally:
del self._vengine._f
def _write_source(self, file=None):
if file is not None:
self._write_source_to(file)
else:
# Write our source file to an in memory file.
f = NativeIO()
self._write_source_to(f)
source_data = f.getvalue()
# Determine if this matches the current file
if os.path.exists(self.sourcefilename):
with open(self.sourcefilename, "r") as fp:
needs_written = not (fp.read() == source_data)
else:
needs_written = True
# Actually write the file out if it doesn't match
if needs_written:
_ensure_dir(self.sourcefilename)
with open(self.sourcefilename, "w") as fp:
fp.write(source_data)
# Set this flag
self._has_source = True
def _compile_module(self):
# compile this C source
tmpdir = os.path.dirname(self.sourcefilename)
outputfilename = ffiplatform.compile(tmpdir, self.get_extension())
try:
same = ffiplatform.samefile(outputfilename, self.modulefilename)
except OSError:
same = False
if not same:
_ensure_dir(self.modulefilename)
shutil.move(outputfilename, self.modulefilename)
self._has_module = True
def _load_library(self):
assert self._has_module
if self.flags is not None:
return self._vengine.load_library(self.flags)
else:
return self._vengine.load_library()
# ____________________________________________________________
_FORCE_GENERIC_ENGINE = False # for tests
def _locate_engine_class(ffi, force_generic_engine):
if _FORCE_GENERIC_ENGINE:
force_generic_engine = True
if not force_generic_engine:
if '__pypy__' in sys.builtin_module_names:
force_generic_engine = True
else:
try:
import _cffi_backend
except ImportError:
_cffi_backend = '?'
if ffi._backend is not _cffi_backend:
force_generic_engine = True
if force_generic_engine:
from . import vengine_gen
return vengine_gen.VGenericEngine
else:
from . import vengine_cpy
return vengine_cpy.VCPythonEngine
# ____________________________________________________________
_TMPDIR = None
def _caller_dir_pycache():
if _TMPDIR:
return _TMPDIR
result = os.environ.get('CFFI_TMPDIR')
if result:
return result
filename = sys._getframe(2).f_code.co_filename
return os.path.abspath(os.path.join(os.path.dirname(filename),
'__pycache__'))
def set_tmpdir(dirname):
"""Set the temporary directory to use instead of __pycache__."""
global _TMPDIR
_TMPDIR = dirname
def cleanup_tmpdir(tmpdir=None, keep_so=False):
"""Clean up the temporary directory by removing all files in it
called `_cffi_*.{c,so}` as well as the `build` subdirectory."""
tmpdir = tmpdir or _caller_dir_pycache()
try:
filelist = os.listdir(tmpdir)
except OSError:
return
if keep_so:
suffix = '.c' # only remove .c files
else:
suffix = _get_so_suffixes()[0].lower()
for fn in filelist:
if fn.lower().startswith('_cffi_') and (
fn.lower().endswith(suffix) or fn.lower().endswith('.c')):
try:
os.unlink(os.path.join(tmpdir, fn))
except OSError:
pass
clean_dir = [os.path.join(tmpdir, 'build')]
for dir in clean_dir:
try:
for fn in os.listdir(dir):
fn = os.path.join(dir, fn)
if os.path.isdir(fn):
clean_dir.append(fn)
else:
os.unlink(fn)
except OSError:
pass
def _get_so_suffixes():
suffixes = _extension_suffixes()
if not suffixes:
# bah, no C_EXTENSION available. Occurs on pypy without cpyext
if sys.platform == 'win32':
suffixes = [".pyd"]
else:
suffixes = [".so"]
return suffixes
def _ensure_dir(filename):
dirname = os.path.dirname(filename)
if dirname and not os.path.isdir(dirname):
os.makedirs(dirname)

1
.venv/lib/python3.12/site-packages/cryptography-46.0.6.dist-info/INSTALLER
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@@ -1 +0,0 @@
uv

139
.venv/lib/python3.12/site-packages/cryptography-46.0.6.dist-info/METADATA
View File

@@ -1,139 +0,0 @@
Metadata-Version: 2.4
Name: cryptography
Version: 46.0.6
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: Natural Language :: English
Classifier: Operating System :: MacOS :: MacOS X
Classifier: Operating System :: POSIX
Classifier: Operating System :: POSIX :: BSD
Classifier: Operating System :: POSIX :: Linux
Classifier: Operating System :: Microsoft :: Windows
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Programming Language :: Python :: 3.14
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Programming Language :: Python :: Free Threading :: 3 - Stable
Classifier: Topic :: Security :: Cryptography
Requires-Dist: cffi>=1.14 ; python_full_version == '3.8.*' and platform_python_implementation != 'PyPy'
Requires-Dist: cffi>=2.0.0 ; python_full_version >= '3.9' and platform_python_implementation != 'PyPy'
Requires-Dist: typing-extensions>=4.13.2 ; python_full_version < '3.11'
Requires-Dist: bcrypt>=3.1.5 ; extra == 'ssh'
Requires-Dist: nox[uv]>=2024.4.15 ; extra == 'nox'
Requires-Dist: cryptography-vectors==46.0.6 ; extra == 'test'
Requires-Dist: pytest>=7.4.0 ; extra == 'test'
Requires-Dist: pytest-benchmark>=4.0 ; extra == 'test'
Requires-Dist: pytest-cov>=2.10.1 ; extra == 'test'
Requires-Dist: pytest-xdist>=3.5.0 ; extra == 'test'
Requires-Dist: pretend>=0.7 ; extra == 'test'
Requires-Dist: certifi>=2024 ; extra == 'test'
Requires-Dist: pytest-randomly ; extra == 'test-randomorder'
Requires-Dist: sphinx>=5.3.0 ; extra == 'docs'
Requires-Dist: sphinx-rtd-theme>=3.0.0 ; extra == 'docs'
Requires-Dist: sphinx-inline-tabs ; extra == 'docs'
Requires-Dist: pyenchant>=3 ; extra == 'docstest'
Requires-Dist: readme-renderer>=30.0 ; extra == 'docstest'
Requires-Dist: sphinxcontrib-spelling>=7.3.1 ; extra == 'docstest'
Requires-Dist: build>=1.0.0 ; extra == 'sdist'
Requires-Dist: ruff>=0.11.11 ; extra == 'pep8test'
Requires-Dist: mypy>=1.14 ; extra == 'pep8test'
Requires-Dist: check-sdist ; extra == 'pep8test'
Requires-Dist: click>=8.0.1 ; extra == 'pep8test'
Provides-Extra: ssh
Provides-Extra: nox
Provides-Extra: test
Provides-Extra: test-randomorder
Provides-Extra: docs
Provides-Extra: docstest
Provides-Extra: sdist
Provides-Extra: pep8test
License-File: LICENSE
License-File: LICENSE.APACHE
License-File: LICENSE.BSD
Summary: cryptography is a package which provides cryptographic recipes and primitives to Python developers.
Author-email: The Python Cryptographic Authority and individual contributors <cryptography-dev@python.org>
License-Expression: Apache-2.0 OR BSD-3-Clause
Requires-Python: >=3.8, !=3.9.0, !=3.9.1
Description-Content-Type: text/x-rst; charset=UTF-8
Project-URL: homepage, https://github.com/pyca/cryptography
Project-URL: documentation, https://cryptography.io/
Project-URL: source, https://github.com/pyca/cryptography/
Project-URL: issues, https://github.com/pyca/cryptography/issues
Project-URL: changelog, https://cryptography.io/en/latest/changelog/
pyca/cryptography
=================
.. image:: https://img.shields.io/pypi/v/cryptography.svg
:target: https://pypi.org/project/cryptography/
:alt: Latest Version
.. image:: https://readthedocs.org/projects/cryptography/badge/?version=latest
:target: https://cryptography.io
:alt: Latest Docs
.. image:: https://github.com/pyca/cryptography/actions/workflows/ci.yml/badge.svg
:target: https://github.com/pyca/cryptography/actions/workflows/ci.yml?query=branch%3Amain
``cryptography`` is a package which provides cryptographic recipes and
primitives to Python developers. Our goal is for it to be your "cryptographic
standard library". It supports Python 3.8+ and PyPy3 7.3.11+.
``cryptography`` includes both high level recipes and low level interfaces to
common cryptographic algorithms such as symmetric ciphers, message digests, and
key derivation functions. For example, to encrypt something with
``cryptography``'s high level symmetric encryption recipe:
.. code-block:: pycon
>>> from cryptography.fernet import Fernet
>>> # Put this somewhere safe!
>>> key = Fernet.generate_key()
>>> f = Fernet(key)
>>> token = f.encrypt(b"A really secret message. Not for prying eyes.")
>>> token
b'...'
>>> f.decrypt(token)
b'A really secret message. Not for prying eyes.'
You can find more information in the `documentation`_.
You can install ``cryptography`` with:
.. code-block:: console
$ pip install cryptography
For full details see `the installation documentation`_.
Discussion
~~~~~~~~~~
If you run into bugs, you can file them in our `issue tracker`_.
We maintain a `cryptography-dev`_ mailing list for development discussion.
You can also join ``#pyca`` on ``irc.libera.chat`` to ask questions or get
involved.
Security
~~~~~~~~
Need to report a security issue? Please consult our `security reporting`_
documentation.
.. _`documentation`: https://cryptography.io/
.. _`the installation documentation`: https://cryptography.io/en/latest/installation/
.. _`issue tracker`: https://github.com/pyca/cryptography/issues
.. _`cryptography-dev`: https://mail.python.org/mailman/listinfo/cryptography-dev
.. _`security reporting`: https://cryptography.io/en/latest/security/

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.venv/lib/python3.12/site-packages/cryptography-46.0.6.dist-info/RECORD
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@@ -1,109 +0,0 @@
cryptography-46.0.6.dist-info/INSTALLER,sha256=5hhM4Q4mYTT9z6QB6PGpUAW81PGNFrYrdXMj4oM_6ak,2
cryptography-46.0.6.dist-info/METADATA,sha256=j-FUPovae0pJTTpu3PoBWHGq3ncU4lmlUKlObQoZZU8,5748
cryptography-46.0.6.dist-info/RECORD,,
cryptography-46.0.6.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
cryptography-46.0.6.dist-info/WHEEL,sha256=jkxrJemT4jZpYSr-u9xPalWqoow8benNmiXfjKXLlJw,108
cryptography-46.0.6.dist-info/licenses/LICENSE,sha256=Pgx8CRqUi4JTO6mP18u0BDLW8amsv4X1ki0vmak65rs,197
cryptography-46.0.6.dist-info/licenses/LICENSE.APACHE,sha256=qsc7MUj20dcRHbyjIJn2jSbGRMaBOuHk8F9leaomY_4,11360
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This software is made available under the terms of *either* of the licenses
found in LICENSE.APACHE or LICENSE.BSD. Contributions to cryptography are made
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of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

27
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@@ -1,27 +0,0 @@
Copyright (c) Individual contributors.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of PyCA Cryptography nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

17
.venv/lib/python3.12/site-packages/cryptography/__about__.py
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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
__all__ = [
"__author__",
"__copyright__",
"__version__",
]
__version__ = "46.0.6"
__author__ = "The Python Cryptographic Authority and individual contributors"
__copyright__ = f"Copyright 2013-2025 {__author__}"

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.venv/lib/python3.12/site-packages/cryptography/__init__.py
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@@ -1,13 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
from cryptography.__about__ import __author__, __copyright__, __version__
__all__ = [
"__author__",
"__copyright__",
"__version__",
]

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@@ -1,52 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import typing
from cryptography.hazmat.bindings._rust import exceptions as rust_exceptions
if typing.TYPE_CHECKING:
from cryptography.hazmat.bindings._rust import openssl as rust_openssl
_Reasons = rust_exceptions._Reasons
class UnsupportedAlgorithm(Exception):
def __init__(self, message: str, reason: _Reasons | None = None) -> None:
super().__init__(message)
self._reason = reason
class AlreadyFinalized(Exception):
pass
class AlreadyUpdated(Exception):
pass
class NotYetFinalized(Exception):
pass
class InvalidTag(Exception):
pass
class InvalidSignature(Exception):
pass
class InternalError(Exception):
def __init__(
self, msg: str, err_code: list[rust_openssl.OpenSSLError]
) -> None:
super().__init__(msg)
self.err_code = err_code
class InvalidKey(Exception):
pass

224
.venv/lib/python3.12/site-packages/cryptography/fernet.py
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@@ -1,224 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import base64
import binascii
import os
import time
import typing
from collections.abc import Iterable
from cryptography import utils
from cryptography.exceptions import InvalidSignature
from cryptography.hazmat.primitives import hashes, padding
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
from cryptography.hazmat.primitives.hmac import HMAC
class InvalidToken(Exception):
pass
_MAX_CLOCK_SKEW = 60
class Fernet:
def __init__(
self,
key: bytes | str,
backend: typing.Any = None,
) -> None:
try:
key = base64.urlsafe_b64decode(key)
except binascii.Error as exc:
raise ValueError(
"Fernet key must be 32 url-safe base64-encoded bytes."
) from exc
if len(key) != 32:
raise ValueError(
"Fernet key must be 32 url-safe base64-encoded bytes."
)
self._signing_key = key[:16]
self._encryption_key = key[16:]
@classmethod
def generate_key(cls) -> bytes:
return base64.urlsafe_b64encode(os.urandom(32))
def encrypt(self, data: bytes) -> bytes:
return self.encrypt_at_time(data, int(time.time()))
def encrypt_at_time(self, data: bytes, current_time: int) -> bytes:
iv = os.urandom(16)
return self._encrypt_from_parts(data, current_time, iv)
def _encrypt_from_parts(
self, data: bytes, current_time: int, iv: bytes
) -> bytes:
utils._check_bytes("data", data)
padder = padding.PKCS7(algorithms.AES.block_size).padder()
padded_data = padder.update(data) + padder.finalize()
encryptor = Cipher(
algorithms.AES(self._encryption_key),
modes.CBC(iv),
).encryptor()
ciphertext = encryptor.update(padded_data) + encryptor.finalize()
basic_parts = (
b"\x80"
+ current_time.to_bytes(length=8, byteorder="big")
+ iv
+ ciphertext
)
h = HMAC(self._signing_key, hashes.SHA256())
h.update(basic_parts)
hmac = h.finalize()
return base64.urlsafe_b64encode(basic_parts + hmac)
def decrypt(self, token: bytes | str, ttl: int | None = None) -> bytes:
timestamp, data = Fernet._get_unverified_token_data(token)
if ttl is None:
time_info = None
else:
time_info = (ttl, int(time.time()))
return self._decrypt_data(data, timestamp, time_info)
def decrypt_at_time(
self, token: bytes | str, ttl: int, current_time: int
) -> bytes:
if ttl is None:
raise ValueError(
"decrypt_at_time() can only be used with a non-None ttl"
)
timestamp, data = Fernet._get_unverified_token_data(token)
return self._decrypt_data(data, timestamp, (ttl, current_time))
def extract_timestamp(self, token: bytes | str) -> int:
timestamp, data = Fernet._get_unverified_token_data(token)
# Verify the token was not tampered with.
self._verify_signature(data)
return timestamp
@staticmethod
def _get_unverified_token_data(token: bytes | str) -> tuple[int, bytes]:
if not isinstance(token, (str, bytes)):
raise TypeError("token must be bytes or str")
try:
data = base64.urlsafe_b64decode(token)
except (TypeError, binascii.Error):
raise InvalidToken
if not data or data[0] != 0x80:
raise InvalidToken
if len(data) < 9:
raise InvalidToken
timestamp = int.from_bytes(data[1:9], byteorder="big")
return timestamp, data
def _verify_signature(self, data: bytes) -> None:
h = HMAC(self._signing_key, hashes.SHA256())
h.update(data[:-32])
try:
h.verify(data[-32:])
except InvalidSignature:
raise InvalidToken
def _decrypt_data(
self,
data: bytes,
timestamp: int,
time_info: tuple[int, int] | None,
) -> bytes:
if time_info is not None:
ttl, current_time = time_info
if timestamp + ttl < current_time:
raise InvalidToken
if current_time + _MAX_CLOCK_SKEW < timestamp:
raise InvalidToken
self._verify_signature(data)
iv = data[9:25]
ciphertext = data[25:-32]
decryptor = Cipher(
algorithms.AES(self._encryption_key), modes.CBC(iv)
).decryptor()
plaintext_padded = decryptor.update(ciphertext)
try:
plaintext_padded += decryptor.finalize()
except ValueError:
raise InvalidToken
unpadder = padding.PKCS7(algorithms.AES.block_size).unpadder()
unpadded = unpadder.update(plaintext_padded)
try:
unpadded += unpadder.finalize()
except ValueError:
raise InvalidToken
return unpadded
class MultiFernet:
def __init__(self, fernets: Iterable[Fernet]):
fernets = list(fernets)
if not fernets:
raise ValueError(
"MultiFernet requires at least one Fernet instance"
)
self._fernets = fernets
def encrypt(self, msg: bytes) -> bytes:
return self.encrypt_at_time(msg, int(time.time()))
def encrypt_at_time(self, msg: bytes, current_time: int) -> bytes:
return self._fernets[0].encrypt_at_time(msg, current_time)
def rotate(self, msg: bytes | str) -> bytes:
timestamp, data = Fernet._get_unverified_token_data(msg)
for f in self._fernets:
try:
p = f._decrypt_data(data, timestamp, None)
break
except InvalidToken:
pass
else:
raise InvalidToken
iv = os.urandom(16)
return self._fernets[0]._encrypt_from_parts(p, timestamp, iv)
def decrypt(self, msg: bytes | str, ttl: int | None = None) -> bytes:
for f in self._fernets:
try:
return f.decrypt(msg, ttl)
except InvalidToken:
pass
raise InvalidToken
def decrypt_at_time(
self, msg: bytes | str, ttl: int, current_time: int
) -> bytes:
for f in self._fernets:
try:
return f.decrypt_at_time(msg, ttl, current_time)
except InvalidToken:
pass
raise InvalidToken
def extract_timestamp(self, msg: bytes | str) -> int:
for f in self._fernets:
try:
return f.extract_timestamp(msg)
except InvalidToken:
pass
raise InvalidToken

13
.venv/lib/python3.12/site-packages/cryptography/hazmat/__init__.py
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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
"""
Hazardous Materials
This is a "Hazardous Materials" module. You should ONLY use it if you're
100% absolutely sure that you know what you're doing because this module
is full of land mines, dragons, and dinosaurs with laser guns.
"""

356
.venv/lib/python3.12/site-packages/cryptography/hazmat/_oid.py
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@@ -1,356 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
from cryptography.hazmat.bindings._rust import (
ObjectIdentifier as ObjectIdentifier,
)
from cryptography.hazmat.primitives import hashes
class ExtensionOID:
SUBJECT_DIRECTORY_ATTRIBUTES = ObjectIdentifier("2.5.29.9")
SUBJECT_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.14")
KEY_USAGE = ObjectIdentifier("2.5.29.15")
PRIVATE_KEY_USAGE_PERIOD = ObjectIdentifier("2.5.29.16")
SUBJECT_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.17")
ISSUER_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.18")
BASIC_CONSTRAINTS = ObjectIdentifier("2.5.29.19")
NAME_CONSTRAINTS = ObjectIdentifier("2.5.29.30")
CRL_DISTRIBUTION_POINTS = ObjectIdentifier("2.5.29.31")
CERTIFICATE_POLICIES = ObjectIdentifier("2.5.29.32")
POLICY_MAPPINGS = ObjectIdentifier("2.5.29.33")
AUTHORITY_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.35")
POLICY_CONSTRAINTS = ObjectIdentifier("2.5.29.36")
EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37")
FRESHEST_CRL = ObjectIdentifier("2.5.29.46")
INHIBIT_ANY_POLICY = ObjectIdentifier("2.5.29.54")
ISSUING_DISTRIBUTION_POINT = ObjectIdentifier("2.5.29.28")
AUTHORITY_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.1")
SUBJECT_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.11")
OCSP_NO_CHECK = ObjectIdentifier("1.3.6.1.5.5.7.48.1.5")
TLS_FEATURE = ObjectIdentifier("1.3.6.1.5.5.7.1.24")
CRL_NUMBER = ObjectIdentifier("2.5.29.20")
DELTA_CRL_INDICATOR = ObjectIdentifier("2.5.29.27")
PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS = ObjectIdentifier(
"1.3.6.1.4.1.11129.2.4.2"
)
PRECERT_POISON = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.3")
SIGNED_CERTIFICATE_TIMESTAMPS = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.5")
MS_CERTIFICATE_TEMPLATE = ObjectIdentifier("1.3.6.1.4.1.311.21.7")
ADMISSIONS = ObjectIdentifier("1.3.36.8.3.3")
class OCSPExtensionOID:
NONCE = ObjectIdentifier("1.3.6.1.5.5.7.48.1.2")
ACCEPTABLE_RESPONSES = ObjectIdentifier("1.3.6.1.5.5.7.48.1.4")
class CRLEntryExtensionOID:
CERTIFICATE_ISSUER = ObjectIdentifier("2.5.29.29")
CRL_REASON = ObjectIdentifier("2.5.29.21")
INVALIDITY_DATE = ObjectIdentifier("2.5.29.24")
class NameOID:
COMMON_NAME = ObjectIdentifier("2.5.4.3")
COUNTRY_NAME = ObjectIdentifier("2.5.4.6")
LOCALITY_NAME = ObjectIdentifier("2.5.4.7")
STATE_OR_PROVINCE_NAME = ObjectIdentifier("2.5.4.8")
STREET_ADDRESS = ObjectIdentifier("2.5.4.9")
ORGANIZATION_IDENTIFIER = ObjectIdentifier("2.5.4.97")
ORGANIZATION_NAME = ObjectIdentifier("2.5.4.10")
ORGANIZATIONAL_UNIT_NAME = ObjectIdentifier("2.5.4.11")
SERIAL_NUMBER = ObjectIdentifier("2.5.4.5")
SURNAME = ObjectIdentifier("2.5.4.4")
GIVEN_NAME = ObjectIdentifier("2.5.4.42")
TITLE = ObjectIdentifier("2.5.4.12")
INITIALS = ObjectIdentifier("2.5.4.43")
GENERATION_QUALIFIER = ObjectIdentifier("2.5.4.44")
X500_UNIQUE_IDENTIFIER = ObjectIdentifier("2.5.4.45")
DN_QUALIFIER = ObjectIdentifier("2.5.4.46")
PSEUDONYM = ObjectIdentifier("2.5.4.65")
USER_ID = ObjectIdentifier("0.9.2342.19200300.100.1.1")
DOMAIN_COMPONENT = ObjectIdentifier("0.9.2342.19200300.100.1.25")
EMAIL_ADDRESS = ObjectIdentifier("1.2.840.113549.1.9.1")
JURISDICTION_COUNTRY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.3")
JURISDICTION_LOCALITY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.1")
JURISDICTION_STATE_OR_PROVINCE_NAME = ObjectIdentifier(
"1.3.6.1.4.1.311.60.2.1.2"
)
BUSINESS_CATEGORY = ObjectIdentifier("2.5.4.15")
POSTAL_ADDRESS = ObjectIdentifier("2.5.4.16")
POSTAL_CODE = ObjectIdentifier("2.5.4.17")
INN = ObjectIdentifier("1.2.643.3.131.1.1")
OGRN = ObjectIdentifier("1.2.643.100.1")
SNILS = ObjectIdentifier("1.2.643.100.3")
UNSTRUCTURED_NAME = ObjectIdentifier("1.2.840.113549.1.9.2")
class SignatureAlgorithmOID:
RSA_WITH_MD5 = ObjectIdentifier("1.2.840.113549.1.1.4")
RSA_WITH_SHA1 = ObjectIdentifier("1.2.840.113549.1.1.5")
# This is an alternate OID for RSA with SHA1 that is occasionally seen
_RSA_WITH_SHA1 = ObjectIdentifier("1.3.14.3.2.29")
RSA_WITH_SHA224 = ObjectIdentifier("1.2.840.113549.1.1.14")
RSA_WITH_SHA256 = ObjectIdentifier("1.2.840.113549.1.1.11")
RSA_WITH_SHA384 = ObjectIdentifier("1.2.840.113549.1.1.12")
RSA_WITH_SHA512 = ObjectIdentifier("1.2.840.113549.1.1.13")
RSA_WITH_SHA3_224 = ObjectIdentifier("2.16.840.1.101.3.4.3.13")
RSA_WITH_SHA3_256 = ObjectIdentifier("2.16.840.1.101.3.4.3.14")
RSA_WITH_SHA3_384 = ObjectIdentifier("2.16.840.1.101.3.4.3.15")
RSA_WITH_SHA3_512 = ObjectIdentifier("2.16.840.1.101.3.4.3.16")
RSASSA_PSS = ObjectIdentifier("1.2.840.113549.1.1.10")
ECDSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10045.4.1")
ECDSA_WITH_SHA224 = ObjectIdentifier("1.2.840.10045.4.3.1")
ECDSA_WITH_SHA256 = ObjectIdentifier("1.2.840.10045.4.3.2")
ECDSA_WITH_SHA384 = ObjectIdentifier("1.2.840.10045.4.3.3")
ECDSA_WITH_SHA512 = ObjectIdentifier("1.2.840.10045.4.3.4")
ECDSA_WITH_SHA3_224 = ObjectIdentifier("2.16.840.1.101.3.4.3.9")
ECDSA_WITH_SHA3_256 = ObjectIdentifier("2.16.840.1.101.3.4.3.10")
ECDSA_WITH_SHA3_384 = ObjectIdentifier("2.16.840.1.101.3.4.3.11")
ECDSA_WITH_SHA3_512 = ObjectIdentifier("2.16.840.1.101.3.4.3.12")
DSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10040.4.3")
DSA_WITH_SHA224 = ObjectIdentifier("2.16.840.1.101.3.4.3.1")
DSA_WITH_SHA256 = ObjectIdentifier("2.16.840.1.101.3.4.3.2")
DSA_WITH_SHA384 = ObjectIdentifier("2.16.840.1.101.3.4.3.3")
DSA_WITH_SHA512 = ObjectIdentifier("2.16.840.1.101.3.4.3.4")
ED25519 = ObjectIdentifier("1.3.101.112")
ED448 = ObjectIdentifier("1.3.101.113")
GOSTR3411_94_WITH_3410_2001 = ObjectIdentifier("1.2.643.2.2.3")
GOSTR3410_2012_WITH_3411_2012_256 = ObjectIdentifier("1.2.643.7.1.1.3.2")
GOSTR3410_2012_WITH_3411_2012_512 = ObjectIdentifier("1.2.643.7.1.1.3.3")
_SIG_OIDS_TO_HASH: dict[ObjectIdentifier, hashes.HashAlgorithm | None] = {
SignatureAlgorithmOID.RSA_WITH_MD5: hashes.MD5(),
SignatureAlgorithmOID.RSA_WITH_SHA1: hashes.SHA1(),
SignatureAlgorithmOID._RSA_WITH_SHA1: hashes.SHA1(),
SignatureAlgorithmOID.RSA_WITH_SHA224: hashes.SHA224(),
SignatureAlgorithmOID.RSA_WITH_SHA256: hashes.SHA256(),
SignatureAlgorithmOID.RSA_WITH_SHA384: hashes.SHA384(),
SignatureAlgorithmOID.RSA_WITH_SHA512: hashes.SHA512(),
SignatureAlgorithmOID.RSA_WITH_SHA3_224: hashes.SHA3_224(),
SignatureAlgorithmOID.RSA_WITH_SHA3_256: hashes.SHA3_256(),
SignatureAlgorithmOID.RSA_WITH_SHA3_384: hashes.SHA3_384(),
SignatureAlgorithmOID.RSA_WITH_SHA3_512: hashes.SHA3_512(),
SignatureAlgorithmOID.ECDSA_WITH_SHA1: hashes.SHA1(),
SignatureAlgorithmOID.ECDSA_WITH_SHA224: hashes.SHA224(),
SignatureAlgorithmOID.ECDSA_WITH_SHA256: hashes.SHA256(),
SignatureAlgorithmOID.ECDSA_WITH_SHA384: hashes.SHA384(),
SignatureAlgorithmOID.ECDSA_WITH_SHA512: hashes.SHA512(),
SignatureAlgorithmOID.ECDSA_WITH_SHA3_224: hashes.SHA3_224(),
SignatureAlgorithmOID.ECDSA_WITH_SHA3_256: hashes.SHA3_256(),
SignatureAlgorithmOID.ECDSA_WITH_SHA3_384: hashes.SHA3_384(),
SignatureAlgorithmOID.ECDSA_WITH_SHA3_512: hashes.SHA3_512(),
SignatureAlgorithmOID.DSA_WITH_SHA1: hashes.SHA1(),
SignatureAlgorithmOID.DSA_WITH_SHA224: hashes.SHA224(),
SignatureAlgorithmOID.DSA_WITH_SHA256: hashes.SHA256(),
SignatureAlgorithmOID.ED25519: None,
SignatureAlgorithmOID.ED448: None,
SignatureAlgorithmOID.GOSTR3411_94_WITH_3410_2001: None,
SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_256: None,
SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_512: None,
}
class HashAlgorithmOID:
SHA1 = ObjectIdentifier("1.3.14.3.2.26")
SHA224 = ObjectIdentifier("2.16.840.1.101.3.4.2.4")
SHA256 = ObjectIdentifier("2.16.840.1.101.3.4.2.1")
SHA384 = ObjectIdentifier("2.16.840.1.101.3.4.2.2")
SHA512 = ObjectIdentifier("2.16.840.1.101.3.4.2.3")
SHA3_224 = ObjectIdentifier("1.3.6.1.4.1.37476.3.2.1.99.7.224")
SHA3_256 = ObjectIdentifier("1.3.6.1.4.1.37476.3.2.1.99.7.256")
SHA3_384 = ObjectIdentifier("1.3.6.1.4.1.37476.3.2.1.99.7.384")
SHA3_512 = ObjectIdentifier("1.3.6.1.4.1.37476.3.2.1.99.7.512")
SHA3_224_NIST = ObjectIdentifier("2.16.840.1.101.3.4.2.7")
SHA3_256_NIST = ObjectIdentifier("2.16.840.1.101.3.4.2.8")
SHA3_384_NIST = ObjectIdentifier("2.16.840.1.101.3.4.2.9")
SHA3_512_NIST = ObjectIdentifier("2.16.840.1.101.3.4.2.10")
class PublicKeyAlgorithmOID:
DSA = ObjectIdentifier("1.2.840.10040.4.1")
EC_PUBLIC_KEY = ObjectIdentifier("1.2.840.10045.2.1")
RSAES_PKCS1_v1_5 = ObjectIdentifier("1.2.840.113549.1.1.1")
RSASSA_PSS = ObjectIdentifier("1.2.840.113549.1.1.10")
X25519 = ObjectIdentifier("1.3.101.110")
X448 = ObjectIdentifier("1.3.101.111")
ED25519 = ObjectIdentifier("1.3.101.112")
ED448 = ObjectIdentifier("1.3.101.113")
class ExtendedKeyUsageOID:
SERVER_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.1")
CLIENT_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.2")
CODE_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.3")
EMAIL_PROTECTION = ObjectIdentifier("1.3.6.1.5.5.7.3.4")
TIME_STAMPING = ObjectIdentifier("1.3.6.1.5.5.7.3.8")
OCSP_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.9")
ANY_EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37.0")
SMARTCARD_LOGON = ObjectIdentifier("1.3.6.1.4.1.311.20.2.2")
KERBEROS_PKINIT_KDC = ObjectIdentifier("1.3.6.1.5.2.3.5")
IPSEC_IKE = ObjectIdentifier("1.3.6.1.5.5.7.3.17")
BUNDLE_SECURITY = ObjectIdentifier("1.3.6.1.5.5.7.3.35")
CERTIFICATE_TRANSPARENCY = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.4")
class OtherNameFormOID:
PERMANENT_IDENTIFIER = ObjectIdentifier("1.3.6.1.5.5.7.8.3")
HW_MODULE_NAME = ObjectIdentifier("1.3.6.1.5.5.7.8.4")
DNS_SRV = ObjectIdentifier("1.3.6.1.5.5.7.8.7")
NAI_REALM = ObjectIdentifier("1.3.6.1.5.5.7.8.8")
SMTP_UTF8_MAILBOX = ObjectIdentifier("1.3.6.1.5.5.7.8.9")
ACP_NODE_NAME = ObjectIdentifier("1.3.6.1.5.5.7.8.10")
BUNDLE_EID = ObjectIdentifier("1.3.6.1.5.5.7.8.11")
class AuthorityInformationAccessOID:
CA_ISSUERS = ObjectIdentifier("1.3.6.1.5.5.7.48.2")
OCSP = ObjectIdentifier("1.3.6.1.5.5.7.48.1")
class SubjectInformationAccessOID:
CA_REPOSITORY = ObjectIdentifier("1.3.6.1.5.5.7.48.5")
class CertificatePoliciesOID:
CPS_QUALIFIER = ObjectIdentifier("1.3.6.1.5.5.7.2.1")
CPS_USER_NOTICE = ObjectIdentifier("1.3.6.1.5.5.7.2.2")
ANY_POLICY = ObjectIdentifier("2.5.29.32.0")
class AttributeOID:
CHALLENGE_PASSWORD = ObjectIdentifier("1.2.840.113549.1.9.7")
UNSTRUCTURED_NAME = ObjectIdentifier("1.2.840.113549.1.9.2")
_OID_NAMES = {
NameOID.COMMON_NAME: "commonName",
NameOID.COUNTRY_NAME: "countryName",
NameOID.LOCALITY_NAME: "localityName",
NameOID.STATE_OR_PROVINCE_NAME: "stateOrProvinceName",
NameOID.STREET_ADDRESS: "streetAddress",
NameOID.ORGANIZATION_NAME: "organizationName",
NameOID.ORGANIZATIONAL_UNIT_NAME: "organizationalUnitName",
NameOID.SERIAL_NUMBER: "serialNumber",
NameOID.SURNAME: "surname",
NameOID.GIVEN_NAME: "givenName",
NameOID.TITLE: "title",
NameOID.GENERATION_QUALIFIER: "generationQualifier",
NameOID.X500_UNIQUE_IDENTIFIER: "x500UniqueIdentifier",
NameOID.DN_QUALIFIER: "dnQualifier",
NameOID.PSEUDONYM: "pseudonym",
NameOID.USER_ID: "userID",
NameOID.DOMAIN_COMPONENT: "domainComponent",
NameOID.EMAIL_ADDRESS: "emailAddress",
NameOID.JURISDICTION_COUNTRY_NAME: "jurisdictionCountryName",
NameOID.JURISDICTION_LOCALITY_NAME: "jurisdictionLocalityName",
NameOID.JURISDICTION_STATE_OR_PROVINCE_NAME: (
"jurisdictionStateOrProvinceName"
),
NameOID.BUSINESS_CATEGORY: "businessCategory",
NameOID.POSTAL_ADDRESS: "postalAddress",
NameOID.POSTAL_CODE: "postalCode",
NameOID.INN: "INN",
NameOID.OGRN: "OGRN",
NameOID.SNILS: "SNILS",
NameOID.UNSTRUCTURED_NAME: "unstructuredName",
SignatureAlgorithmOID.RSA_WITH_MD5: "md5WithRSAEncryption",
SignatureAlgorithmOID.RSA_WITH_SHA1: "sha1WithRSAEncryption",
SignatureAlgorithmOID.RSA_WITH_SHA224: "sha224WithRSAEncryption",
SignatureAlgorithmOID.RSA_WITH_SHA256: "sha256WithRSAEncryption",
SignatureAlgorithmOID.RSA_WITH_SHA384: "sha384WithRSAEncryption",
SignatureAlgorithmOID.RSA_WITH_SHA512: "sha512WithRSAEncryption",
SignatureAlgorithmOID.RSASSA_PSS: "rsassaPss",
SignatureAlgorithmOID.ECDSA_WITH_SHA1: "ecdsa-with-SHA1",
SignatureAlgorithmOID.ECDSA_WITH_SHA224: "ecdsa-with-SHA224",
SignatureAlgorithmOID.ECDSA_WITH_SHA256: "ecdsa-with-SHA256",
SignatureAlgorithmOID.ECDSA_WITH_SHA384: "ecdsa-with-SHA384",
SignatureAlgorithmOID.ECDSA_WITH_SHA512: "ecdsa-with-SHA512",
SignatureAlgorithmOID.DSA_WITH_SHA1: "dsa-with-sha1",
SignatureAlgorithmOID.DSA_WITH_SHA224: "dsa-with-sha224",
SignatureAlgorithmOID.DSA_WITH_SHA256: "dsa-with-sha256",
SignatureAlgorithmOID.ED25519: "ed25519",
SignatureAlgorithmOID.ED448: "ed448",
SignatureAlgorithmOID.GOSTR3411_94_WITH_3410_2001: (
"GOST R 34.11-94 with GOST R 34.10-2001"
),
SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_256: (
"GOST R 34.10-2012 with GOST R 34.11-2012 (256 bit)"
),
SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_512: (
"GOST R 34.10-2012 with GOST R 34.11-2012 (512 bit)"
),
HashAlgorithmOID.SHA1: "sha1",
HashAlgorithmOID.SHA224: "sha224",
HashAlgorithmOID.SHA256: "sha256",
HashAlgorithmOID.SHA384: "sha384",
HashAlgorithmOID.SHA512: "sha512",
HashAlgorithmOID.SHA3_224: "sha3_224",
HashAlgorithmOID.SHA3_256: "sha3_256",
HashAlgorithmOID.SHA3_384: "sha3_384",
HashAlgorithmOID.SHA3_512: "sha3_512",
HashAlgorithmOID.SHA3_224_NIST: "sha3_224",
HashAlgorithmOID.SHA3_256_NIST: "sha3_256",
HashAlgorithmOID.SHA3_384_NIST: "sha3_384",
HashAlgorithmOID.SHA3_512_NIST: "sha3_512",
PublicKeyAlgorithmOID.DSA: "dsaEncryption",
PublicKeyAlgorithmOID.EC_PUBLIC_KEY: "id-ecPublicKey",
PublicKeyAlgorithmOID.RSAES_PKCS1_v1_5: "rsaEncryption",
PublicKeyAlgorithmOID.X25519: "X25519",
PublicKeyAlgorithmOID.X448: "X448",
ExtendedKeyUsageOID.SERVER_AUTH: "serverAuth",
ExtendedKeyUsageOID.CLIENT_AUTH: "clientAuth",
ExtendedKeyUsageOID.CODE_SIGNING: "codeSigning",
ExtendedKeyUsageOID.EMAIL_PROTECTION: "emailProtection",
ExtendedKeyUsageOID.TIME_STAMPING: "timeStamping",
ExtendedKeyUsageOID.OCSP_SIGNING: "OCSPSigning",
ExtendedKeyUsageOID.SMARTCARD_LOGON: "msSmartcardLogin",
ExtendedKeyUsageOID.KERBEROS_PKINIT_KDC: "pkInitKDC",
ExtensionOID.SUBJECT_DIRECTORY_ATTRIBUTES: "subjectDirectoryAttributes",
ExtensionOID.SUBJECT_KEY_IDENTIFIER: "subjectKeyIdentifier",
ExtensionOID.KEY_USAGE: "keyUsage",
ExtensionOID.PRIVATE_KEY_USAGE_PERIOD: "privateKeyUsagePeriod",
ExtensionOID.SUBJECT_ALTERNATIVE_NAME: "subjectAltName",
ExtensionOID.ISSUER_ALTERNATIVE_NAME: "issuerAltName",
ExtensionOID.BASIC_CONSTRAINTS: "basicConstraints",
ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS: (
"signedCertificateTimestampList"
),
ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS: (
"signedCertificateTimestampList"
),
ExtensionOID.PRECERT_POISON: "ctPoison",
ExtensionOID.MS_CERTIFICATE_TEMPLATE: "msCertificateTemplate",
ExtensionOID.ADMISSIONS: "Admissions",
CRLEntryExtensionOID.CRL_REASON: "cRLReason",
CRLEntryExtensionOID.INVALIDITY_DATE: "invalidityDate",
CRLEntryExtensionOID.CERTIFICATE_ISSUER: "certificateIssuer",
ExtensionOID.NAME_CONSTRAINTS: "nameConstraints",
ExtensionOID.CRL_DISTRIBUTION_POINTS: "cRLDistributionPoints",
ExtensionOID.CERTIFICATE_POLICIES: "certificatePolicies",
ExtensionOID.POLICY_MAPPINGS: "policyMappings",
ExtensionOID.AUTHORITY_KEY_IDENTIFIER: "authorityKeyIdentifier",
ExtensionOID.POLICY_CONSTRAINTS: "policyConstraints",
ExtensionOID.EXTENDED_KEY_USAGE: "extendedKeyUsage",
ExtensionOID.FRESHEST_CRL: "freshestCRL",
ExtensionOID.INHIBIT_ANY_POLICY: "inhibitAnyPolicy",
ExtensionOID.ISSUING_DISTRIBUTION_POINT: "issuingDistributionPoint",
ExtensionOID.AUTHORITY_INFORMATION_ACCESS: "authorityInfoAccess",
ExtensionOID.SUBJECT_INFORMATION_ACCESS: "subjectInfoAccess",
ExtensionOID.OCSP_NO_CHECK: "OCSPNoCheck",
ExtensionOID.CRL_NUMBER: "cRLNumber",
ExtensionOID.DELTA_CRL_INDICATOR: "deltaCRLIndicator",
ExtensionOID.TLS_FEATURE: "TLSFeature",
AuthorityInformationAccessOID.OCSP: "OCSP",
AuthorityInformationAccessOID.CA_ISSUERS: "caIssuers",
SubjectInformationAccessOID.CA_REPOSITORY: "caRepository",
CertificatePoliciesOID.CPS_QUALIFIER: "id-qt-cps",
CertificatePoliciesOID.CPS_USER_NOTICE: "id-qt-unotice",
OCSPExtensionOID.NONCE: "OCSPNonce",
AttributeOID.CHALLENGE_PASSWORD: "challengePassword",
}

10
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@@ -1,10 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from cryptography.hazmat.asn1.asn1 import encode_der, sequence
__all__ = [
"encode_der",
"sequence",
]

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@@ -1,116 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import dataclasses
import sys
import typing
if sys.version_info < (3, 11):
import typing_extensions
# We use the `include_extras` parameter of `get_type_hints`, which was
# added in Python 3.9. This can be replaced by the `typing` version
# once the min version is >= 3.9
if sys.version_info < (3, 9):
get_type_hints = typing_extensions.get_type_hints
else:
get_type_hints = typing.get_type_hints
else:
get_type_hints = typing.get_type_hints
from cryptography.hazmat.bindings._rust import declarative_asn1
T = typing.TypeVar("T", covariant=True)
U = typing.TypeVar("U")
encode_der = declarative_asn1.encode_der
def _normalize_field_type(
field_type: typing.Any, field_name: str
) -> declarative_asn1.AnnotatedType:
annotation = declarative_asn1.Annotation()
if hasattr(field_type, "__asn1_root__"):
annotated_root = field_type.__asn1_root__
if not isinstance(annotated_root, declarative_asn1.AnnotatedType):
raise TypeError(f"unsupported root type: {annotated_root}")
return annotated_root
else:
rust_field_type = declarative_asn1.non_root_python_to_rust(field_type)
return declarative_asn1.AnnotatedType(rust_field_type, annotation)
def _annotate_fields(
raw_fields: dict[str, type],
) -> dict[str, declarative_asn1.AnnotatedType]:
fields = {}
for field_name, field_type in raw_fields.items():
# Recursively normalize the field type into something that the
# Rust code can understand.
annotated_field_type = _normalize_field_type(field_type, field_name)
fields[field_name] = annotated_field_type
return fields
def _register_asn1_sequence(cls: type[U]) -> None:
raw_fields = get_type_hints(cls, include_extras=True)
root = declarative_asn1.AnnotatedType(
declarative_asn1.Type.Sequence(cls, _annotate_fields(raw_fields)),
declarative_asn1.Annotation(),
)
setattr(cls, "__asn1_root__", root)
# Due to https://github.com/python/mypy/issues/19731, we can't define an alias
# for `dataclass_transform` that conditionally points to `typing` or
# `typing_extensions` depending on the Python version (like we do for
# `get_type_hints`).
# We work around it by making the whole decorated class conditional on the
# Python version.
if sys.version_info < (3, 11):
@typing_extensions.dataclass_transform(kw_only_default=True)
def sequence(cls: type[U]) -> type[U]:
# We use `dataclasses.dataclass` to add an __init__ method
# to the class with keyword-only parameters.
if sys.version_info >= (3, 10):
dataclass_cls = dataclasses.dataclass(
repr=False,
eq=False,
# `match_args` was added in Python 3.10 and defaults
# to True
match_args=False,
# `kw_only` was added in Python 3.10 and defaults to
# False
kw_only=True,
)(cls)
else:
dataclass_cls = dataclasses.dataclass(
repr=False,
eq=False,
)(cls)
_register_asn1_sequence(dataclass_cls)
return dataclass_cls
else:
@typing.dataclass_transform(kw_only_default=True)
def sequence(cls: type[U]) -> type[U]:
# Only add an __init__ method, with keyword-only
# parameters.
dataclass_cls = dataclasses.dataclass(
repr=False,
eq=False,
match_args=False,
kw_only=True,
)(cls)
_register_asn1_sequence(dataclass_cls)
return dataclass_cls

13
.venv/lib/python3.12/site-packages/cryptography/hazmat/backends/__init__.py
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@@ -1,13 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
from typing import Any
def default_backend() -> Any:
from cryptography.hazmat.backends.openssl.backend import backend
return backend

9
.venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__init__.py
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@@ -1,9 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
from cryptography.hazmat.backends.openssl.backend import backend
__all__ = ["backend"]

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@@ -1,302 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
from cryptography.hazmat.bindings._rust import openssl as rust_openssl
from cryptography.hazmat.bindings.openssl import binding
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives._asymmetric import AsymmetricPadding
from cryptography.hazmat.primitives.asymmetric import ec
from cryptography.hazmat.primitives.asymmetric import utils as asym_utils
from cryptography.hazmat.primitives.asymmetric.padding import (
MGF1,
OAEP,
PSS,
PKCS1v15,
)
from cryptography.hazmat.primitives.ciphers import (
CipherAlgorithm,
)
from cryptography.hazmat.primitives.ciphers.algorithms import (
AES,
)
from cryptography.hazmat.primitives.ciphers.modes import (
CBC,
Mode,
)
class Backend:
"""
OpenSSL API binding interfaces.
"""
name = "openssl"
# TripleDES encryption is disallowed/deprecated throughout 2023 in
# FIPS 140-3. To keep it simple we denylist any use of TripleDES (TDEA).
_fips_ciphers = (AES,)
# Sometimes SHA1 is still permissible. That logic is contained
# within the various *_supported methods.
_fips_hashes = (
hashes.SHA224,
hashes.SHA256,
hashes.SHA384,
hashes.SHA512,
hashes.SHA512_224,
hashes.SHA512_256,
hashes.SHA3_224,
hashes.SHA3_256,
hashes.SHA3_384,
hashes.SHA3_512,
hashes.SHAKE128,
hashes.SHAKE256,
)
_fips_ecdh_curves = (
ec.SECP224R1,
ec.SECP256R1,
ec.SECP384R1,
ec.SECP521R1,
)
_fips_rsa_min_key_size = 2048
_fips_rsa_min_public_exponent = 65537
_fips_dsa_min_modulus = 1 << 2048
_fips_dh_min_key_size = 2048
_fips_dh_min_modulus = 1 << _fips_dh_min_key_size
def __init__(self) -> None:
self._binding = binding.Binding()
self._ffi = self._binding.ffi
self._lib = self._binding.lib
self._fips_enabled = rust_openssl.is_fips_enabled()
def __repr__(self) -> str:
return (
f"<OpenSSLBackend(version: {self.openssl_version_text()}, "
f"FIPS: {self._fips_enabled}, "
f"Legacy: {rust_openssl._legacy_provider_loaded})>"
)
def openssl_assert(self, ok: bool) -> None:
return binding._openssl_assert(ok)
def _enable_fips(self) -> None:
# This function enables FIPS mode for OpenSSL 3.0.0 on installs that
# have the FIPS provider installed properly.
rust_openssl.enable_fips(rust_openssl._providers)
assert rust_openssl.is_fips_enabled()
self._fips_enabled = rust_openssl.is_fips_enabled()
def openssl_version_text(self) -> str:
"""
Friendly string name of the loaded OpenSSL library. This is not
necessarily the same version as it was compiled against.
Example: OpenSSL 3.2.1 30 Jan 2024
"""
return rust_openssl.openssl_version_text()
def openssl_version_number(self) -> int:
return rust_openssl.openssl_version()
def hash_supported(self, algorithm: hashes.HashAlgorithm) -> bool:
if self._fips_enabled and not isinstance(algorithm, self._fips_hashes):
return False
return rust_openssl.hashes.hash_supported(algorithm)
def signature_hash_supported(
self, algorithm: hashes.HashAlgorithm
) -> bool:
# Dedicated check for hashing algorithm use in message digest for
# signatures, e.g. RSA PKCS#1 v1.5 SHA1 (sha1WithRSAEncryption).
if self._fips_enabled and isinstance(algorithm, hashes.SHA1):
return False
return self.hash_supported(algorithm)
def scrypt_supported(self) -> bool:
if self._fips_enabled:
return False
else:
return hasattr(rust_openssl.kdf.Scrypt, "derive")
def argon2_supported(self) -> bool:
if self._fips_enabled:
return False
else:
return hasattr(rust_openssl.kdf.Argon2id, "derive")
def hmac_supported(self, algorithm: hashes.HashAlgorithm) -> bool:
# FIPS mode still allows SHA1 for HMAC
if self._fips_enabled and isinstance(algorithm, hashes.SHA1):
return True
if rust_openssl.CRYPTOGRAPHY_IS_AWSLC:
return isinstance(
algorithm,
(
hashes.SHA1,
hashes.SHA224,
hashes.SHA256,
hashes.SHA384,
hashes.SHA512,
hashes.SHA512_224,
hashes.SHA512_256,
),
)
return self.hash_supported(algorithm)
def cipher_supported(self, cipher: CipherAlgorithm, mode: Mode) -> bool:
if self._fips_enabled:
# FIPS mode requires AES. TripleDES is disallowed/deprecated in
# FIPS 140-3.
if not isinstance(cipher, self._fips_ciphers):
return False
return rust_openssl.ciphers.cipher_supported(cipher, mode)
def pbkdf2_hmac_supported(self, algorithm: hashes.HashAlgorithm) -> bool:
return self.hmac_supported(algorithm)
def _consume_errors(self) -> list[rust_openssl.OpenSSLError]:
return rust_openssl.capture_error_stack()
def _oaep_hash_supported(self, algorithm: hashes.HashAlgorithm) -> bool:
if self._fips_enabled and isinstance(algorithm, hashes.SHA1):
return False
return isinstance(
algorithm,
(
hashes.SHA1,
hashes.SHA224,
hashes.SHA256,
hashes.SHA384,
hashes.SHA512,
),
)
def rsa_padding_supported(self, padding: AsymmetricPadding) -> bool:
if isinstance(padding, PKCS1v15):
return True
elif isinstance(padding, PSS) and isinstance(padding._mgf, MGF1):
# FIPS 186-4 only allows salt length == digest length for PSS
# It is technically acceptable to set an explicit salt length
# equal to the digest length and this will incorrectly fail, but
# since we don't do that in the tests and this method is
# private, we'll ignore that until we need to do otherwise.
if (
self._fips_enabled
and padding._salt_length != PSS.DIGEST_LENGTH
):
return False
return self.hash_supported(padding._mgf._algorithm)
elif isinstance(padding, OAEP) and isinstance(padding._mgf, MGF1):
return self._oaep_hash_supported(
padding._mgf._algorithm
) and self._oaep_hash_supported(padding._algorithm)
else:
return False
def rsa_encryption_supported(self, padding: AsymmetricPadding) -> bool:
if self._fips_enabled and isinstance(padding, PKCS1v15):
return False
else:
return self.rsa_padding_supported(padding)
def dsa_supported(self) -> bool:
return (
not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL
and not self._fips_enabled
)
def dsa_hash_supported(self, algorithm: hashes.HashAlgorithm) -> bool:
if not self.dsa_supported():
return False
return self.signature_hash_supported(algorithm)
def cmac_algorithm_supported(self, algorithm) -> bool:
return self.cipher_supported(
algorithm, CBC(b"\x00" * algorithm.block_size)
)
def elliptic_curve_supported(self, curve: ec.EllipticCurve) -> bool:
if self._fips_enabled and not isinstance(
curve, self._fips_ecdh_curves
):
return False
return rust_openssl.ec.curve_supported(curve)
def elliptic_curve_signature_algorithm_supported(
self,
signature_algorithm: ec.EllipticCurveSignatureAlgorithm,
curve: ec.EllipticCurve,
) -> bool:
# We only support ECDSA right now.
if not isinstance(signature_algorithm, ec.ECDSA):
return False
return self.elliptic_curve_supported(curve) and (
isinstance(signature_algorithm.algorithm, asym_utils.Prehashed)
or self.hash_supported(signature_algorithm.algorithm)
)
def elliptic_curve_exchange_algorithm_supported(
self, algorithm: ec.ECDH, curve: ec.EllipticCurve
) -> bool:
return self.elliptic_curve_supported(curve) and isinstance(
algorithm, ec.ECDH
)
def dh_supported(self) -> bool:
return (
not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL
and not rust_openssl.CRYPTOGRAPHY_IS_AWSLC
)
def dh_x942_serialization_supported(self) -> bool:
return self._lib.Cryptography_HAS_EVP_PKEY_DHX == 1
def x25519_supported(self) -> bool:
return not self._fips_enabled
def x448_supported(self) -> bool:
if self._fips_enabled:
return False
return (
not rust_openssl.CRYPTOGRAPHY_IS_LIBRESSL
and not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL
and not rust_openssl.CRYPTOGRAPHY_IS_AWSLC
)
def ed25519_supported(self) -> bool:
return not self._fips_enabled
def ed448_supported(self) -> bool:
if self._fips_enabled:
return False
return (
not rust_openssl.CRYPTOGRAPHY_IS_LIBRESSL
and not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL
and not rust_openssl.CRYPTOGRAPHY_IS_AWSLC
)
def ecdsa_deterministic_supported(self) -> bool:
return (
rust_openssl.CRYPTOGRAPHY_OPENSSL_320_OR_GREATER
and not self._fips_enabled
)
def poly1305_supported(self) -> bool:
return not self._fips_enabled
def pkcs7_supported(self) -> bool:
return (
not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL
and not rust_openssl.CRYPTOGRAPHY_IS_AWSLC
)
backend = Backend()

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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives import padding
from cryptography.utils import Buffer
class PKCS7PaddingContext(padding.PaddingContext):
def __init__(self, block_size: int) -> None: ...
def update(self, data: Buffer) -> bytes: ...
def finalize(self) -> bytes: ...
class ANSIX923PaddingContext(padding.PaddingContext):
def __init__(self, block_size: int) -> None: ...
def update(self, data: Buffer) -> bytes: ...
def finalize(self) -> bytes: ...
class PKCS7UnpaddingContext(padding.PaddingContext):
def __init__(self, block_size: int) -> None: ...
def update(self, data: Buffer) -> bytes: ...
def finalize(self) -> bytes: ...
class ANSIX923UnpaddingContext(padding.PaddingContext):
def __init__(self, block_size: int) -> None: ...
def update(self, data: Buffer) -> bytes: ...
def finalize(self) -> bytes: ...
class ObjectIdentifier:
def __init__(self, value: str) -> None: ...
@property
def dotted_string(self) -> str: ...
@property
def _name(self) -> str: ...
T = typing.TypeVar("T")

8
.venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/_openssl.pyi
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@@ -1,8 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
lib = typing.Any
ffi = typing.Any

7
.venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/asn1.pyi
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@@ -1,7 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
def decode_dss_signature(signature: bytes) -> tuple[int, int]: ...
def encode_dss_signature(r: int, s: int) -> bytes: ...
def parse_spki_for_data(data: bytes) -> bytes: ...

32
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@@ -1,32 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
def encode_der(value: typing.Any) -> bytes: ...
def non_root_python_to_rust(cls: type) -> Type: ...
# Type is a Rust enum with tuple variants. For now, we express the type
# annotations like this:
class Type:
Sequence: typing.ClassVar[type]
PyInt: typing.ClassVar[type]
class Annotation:
def __new__(
cls,
) -> Annotation: ...
class AnnotatedType:
inner: Type
annotation: Annotation
def __new__(cls, inner: Type, annotation: Annotation) -> AnnotatedType: ...
class AnnotatedTypeObject:
annotated_type: AnnotatedType
value: typing.Any
def __new__(
cls, annotated_type: AnnotatedType, value: typing.Any
) -> AnnotatedTypeObject: ...

17
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@@ -1,17 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
class _Reasons:
BACKEND_MISSING_INTERFACE: _Reasons
UNSUPPORTED_HASH: _Reasons
UNSUPPORTED_CIPHER: _Reasons
UNSUPPORTED_PADDING: _Reasons
UNSUPPORTED_MGF: _Reasons
UNSUPPORTED_PUBLIC_KEY_ALGORITHM: _Reasons
UNSUPPORTED_ELLIPTIC_CURVE: _Reasons
UNSUPPORTED_SERIALIZATION: _Reasons
UNSUPPORTED_X509: _Reasons
UNSUPPORTED_EXCHANGE_ALGORITHM: _Reasons
UNSUPPORTED_DIFFIE_HELLMAN: _Reasons
UNSUPPORTED_MAC: _Reasons

117
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@@ -1,117 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import datetime
from collections.abc import Iterator
from cryptography import x509
from cryptography.hazmat.primitives import hashes, serialization
from cryptography.hazmat.primitives.asymmetric.types import PrivateKeyTypes
from cryptography.x509 import ocsp
class OCSPRequest:
@property
def issuer_key_hash(self) -> bytes: ...
@property
def issuer_name_hash(self) -> bytes: ...
@property
def hash_algorithm(self) -> hashes.HashAlgorithm: ...
@property
def serial_number(self) -> int: ...
def public_bytes(self, encoding: serialization.Encoding) -> bytes: ...
@property
def extensions(self) -> x509.Extensions: ...
class OCSPResponse:
@property
def responses(self) -> Iterator[OCSPSingleResponse]: ...
@property
def response_status(self) -> ocsp.OCSPResponseStatus: ...
@property
def signature_algorithm_oid(self) -> x509.ObjectIdentifier: ...
@property
def signature_hash_algorithm(
self,
) -> hashes.HashAlgorithm | None: ...
@property
def signature(self) -> bytes: ...
@property
def tbs_response_bytes(self) -> bytes: ...
@property
def certificates(self) -> list[x509.Certificate]: ...
@property
def responder_key_hash(self) -> bytes | None: ...
@property
def responder_name(self) -> x509.Name | None: ...
@property
def produced_at(self) -> datetime.datetime: ...
@property
def produced_at_utc(self) -> datetime.datetime: ...
@property
def certificate_status(self) -> ocsp.OCSPCertStatus: ...
@property
def revocation_time(self) -> datetime.datetime | None: ...
@property
def revocation_time_utc(self) -> datetime.datetime | None: ...
@property
def revocation_reason(self) -> x509.ReasonFlags | None: ...
@property
def this_update(self) -> datetime.datetime: ...
@property
def this_update_utc(self) -> datetime.datetime: ...
@property
def next_update(self) -> datetime.datetime | None: ...
@property
def next_update_utc(self) -> datetime.datetime | None: ...
@property
def issuer_key_hash(self) -> bytes: ...
@property
def issuer_name_hash(self) -> bytes: ...
@property
def hash_algorithm(self) -> hashes.HashAlgorithm: ...
@property
def serial_number(self) -> int: ...
@property
def extensions(self) -> x509.Extensions: ...
@property
def single_extensions(self) -> x509.Extensions: ...
def public_bytes(self, encoding: serialization.Encoding) -> bytes: ...
class OCSPSingleResponse:
@property
def certificate_status(self) -> ocsp.OCSPCertStatus: ...
@property
def revocation_time(self) -> datetime.datetime | None: ...
@property
def revocation_time_utc(self) -> datetime.datetime | None: ...
@property
def revocation_reason(self) -> x509.ReasonFlags | None: ...
@property
def this_update(self) -> datetime.datetime: ...
@property
def this_update_utc(self) -> datetime.datetime: ...
@property
def next_update(self) -> datetime.datetime | None: ...
@property
def next_update_utc(self) -> datetime.datetime | None: ...
@property
def issuer_key_hash(self) -> bytes: ...
@property
def issuer_name_hash(self) -> bytes: ...
@property
def hash_algorithm(self) -> hashes.HashAlgorithm: ...
@property
def serial_number(self) -> int: ...
def load_der_ocsp_request(data: bytes) -> ocsp.OCSPRequest: ...
def load_der_ocsp_response(data: bytes) -> ocsp.OCSPResponse: ...
def create_ocsp_request(
builder: ocsp.OCSPRequestBuilder,
) -> ocsp.OCSPRequest: ...
def create_ocsp_response(
status: ocsp.OCSPResponseStatus,
builder: ocsp.OCSPResponseBuilder | None,
private_key: PrivateKeyTypes | None,
hash_algorithm: hashes.HashAlgorithm | None,
) -> ocsp.OCSPResponse: ...

75
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@@ -1,75 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.bindings._rust.openssl import (
aead,
ciphers,
cmac,
dh,
dsa,
ec,
ed448,
ed25519,
hashes,
hmac,
kdf,
keys,
poly1305,
rsa,
x448,
x25519,
)
__all__ = [
"aead",
"ciphers",
"cmac",
"dh",
"dsa",
"ec",
"ed448",
"ed25519",
"hashes",
"hmac",
"kdf",
"keys",
"openssl_version",
"openssl_version_text",
"poly1305",
"raise_openssl_error",
"rsa",
"x448",
"x25519",
]
CRYPTOGRAPHY_IS_LIBRESSL: bool
CRYPTOGRAPHY_IS_BORINGSSL: bool
CRYPTOGRAPHY_IS_AWSLC: bool
CRYPTOGRAPHY_OPENSSL_300_OR_GREATER: bool
CRYPTOGRAPHY_OPENSSL_309_OR_GREATER: bool
CRYPTOGRAPHY_OPENSSL_320_OR_GREATER: bool
CRYPTOGRAPHY_OPENSSL_330_OR_GREATER: bool
CRYPTOGRAPHY_OPENSSL_350_OR_GREATER: bool
class Providers: ...
_legacy_provider_loaded: bool
_providers: Providers
def openssl_version() -> int: ...
def openssl_version_text() -> str: ...
def raise_openssl_error() -> typing.NoReturn: ...
def capture_error_stack() -> list[OpenSSLError]: ...
def is_fips_enabled() -> bool: ...
def enable_fips(providers: Providers) -> None: ...
class OpenSSLError:
@property
def lib(self) -> int: ...
@property
def reason(self) -> int: ...
@property
def reason_text(self) -> bytes: ...

107
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@@ -1,107 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from collections.abc import Sequence
from cryptography.utils import Buffer
class AESGCM:
def __init__(self, key: Buffer) -> None: ...
@staticmethod
def generate_key(bit_length: int) -> bytes: ...
def encrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
def decrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
class ChaCha20Poly1305:
def __init__(self, key: Buffer) -> None: ...
@staticmethod
def generate_key() -> bytes: ...
def encrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
def decrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
class AESCCM:
def __init__(self, key: Buffer, tag_length: int = 16) -> None: ...
@staticmethod
def generate_key(bit_length: int) -> bytes: ...
def encrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
def decrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
class AESSIV:
def __init__(self, key: Buffer) -> None: ...
@staticmethod
def generate_key(bit_length: int) -> bytes: ...
def encrypt(
self,
data: Buffer,
associated_data: Sequence[Buffer] | None,
) -> bytes: ...
def decrypt(
self,
data: Buffer,
associated_data: Sequence[Buffer] | None,
) -> bytes: ...
class AESOCB3:
def __init__(self, key: Buffer) -> None: ...
@staticmethod
def generate_key(bit_length: int) -> bytes: ...
def encrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
def decrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
class AESGCMSIV:
def __init__(self, key: Buffer) -> None: ...
@staticmethod
def generate_key(bit_length: int) -> bytes: ...
def encrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...
def decrypt(
self,
nonce: Buffer,
data: Buffer,
associated_data: Buffer | None,
) -> bytes: ...

38
.venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ciphers.pyi
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@@ -1,38 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives import ciphers
from cryptography.hazmat.primitives.ciphers import modes
@typing.overload
def create_encryption_ctx(
algorithm: ciphers.CipherAlgorithm, mode: modes.ModeWithAuthenticationTag
) -> ciphers.AEADEncryptionContext: ...
@typing.overload
def create_encryption_ctx(
algorithm: ciphers.CipherAlgorithm, mode: modes.Mode | None
) -> ciphers.CipherContext: ...
@typing.overload
def create_decryption_ctx(
algorithm: ciphers.CipherAlgorithm, mode: modes.ModeWithAuthenticationTag
) -> ciphers.AEADDecryptionContext: ...
@typing.overload
def create_decryption_ctx(
algorithm: ciphers.CipherAlgorithm, mode: modes.Mode | None
) -> ciphers.CipherContext: ...
def cipher_supported(
algorithm: ciphers.CipherAlgorithm, mode: modes.Mode
) -> bool: ...
def _advance(
ctx: ciphers.AEADEncryptionContext | ciphers.AEADDecryptionContext, n: int
) -> None: ...
def _advance_aad(
ctx: ciphers.AEADEncryptionContext | ciphers.AEADDecryptionContext, n: int
) -> None: ...
class CipherContext: ...
class AEADEncryptionContext: ...
class AEADDecryptionContext: ...

18
.venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/cmac.pyi
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@@ -1,18 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives import ciphers
class CMAC:
def __init__(
self,
algorithm: ciphers.BlockCipherAlgorithm,
backend: typing.Any = None,
) -> None: ...
def update(self, data: bytes) -> None: ...
def finalize(self) -> bytes: ...
def verify(self, signature: bytes) -> None: ...
def copy(self) -> CMAC: ...

51
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@@ -1,51 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives.asymmetric import dh
MIN_MODULUS_SIZE: int
class DHPrivateKey: ...
class DHPublicKey: ...
class DHParameters: ...
class DHPrivateNumbers:
def __init__(self, x: int, public_numbers: DHPublicNumbers) -> None: ...
def private_key(self, backend: typing.Any = None) -> dh.DHPrivateKey: ...
@property
def x(self) -> int: ...
@property
def public_numbers(self) -> DHPublicNumbers: ...
class DHPublicNumbers:
def __init__(
self, y: int, parameter_numbers: DHParameterNumbers
) -> None: ...
def public_key(self, backend: typing.Any = None) -> dh.DHPublicKey: ...
@property
def y(self) -> int: ...
@property
def parameter_numbers(self) -> DHParameterNumbers: ...
class DHParameterNumbers:
def __init__(self, p: int, g: int, q: int | None = None) -> None: ...
def parameters(self, backend: typing.Any = None) -> dh.DHParameters: ...
@property
def p(self) -> int: ...
@property
def g(self) -> int: ...
@property
def q(self) -> int | None: ...
def generate_parameters(
generator: int, key_size: int, backend: typing.Any = None
) -> dh.DHParameters: ...
def from_pem_parameters(
data: bytes, backend: typing.Any = None
) -> dh.DHParameters: ...
def from_der_parameters(
data: bytes, backend: typing.Any = None
) -> dh.DHParameters: ...

41
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@@ -1,41 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives.asymmetric import dsa
class DSAPrivateKey: ...
class DSAPublicKey: ...
class DSAParameters: ...
class DSAPrivateNumbers:
def __init__(self, x: int, public_numbers: DSAPublicNumbers) -> None: ...
@property
def x(self) -> int: ...
@property
def public_numbers(self) -> DSAPublicNumbers: ...
def private_key(self, backend: typing.Any = None) -> dsa.DSAPrivateKey: ...
class DSAPublicNumbers:
def __init__(
self, y: int, parameter_numbers: DSAParameterNumbers
) -> None: ...
@property
def y(self) -> int: ...
@property
def parameter_numbers(self) -> DSAParameterNumbers: ...
def public_key(self, backend: typing.Any = None) -> dsa.DSAPublicKey: ...
class DSAParameterNumbers:
def __init__(self, p: int, q: int, g: int) -> None: ...
@property
def p(self) -> int: ...
@property
def q(self) -> int: ...
@property
def g(self) -> int: ...
def parameters(self, backend: typing.Any = None) -> dsa.DSAParameters: ...
def generate_parameters(key_size: int) -> dsa.DSAParameters: ...

52
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@@ -1,52 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives.asymmetric import ec
class ECPrivateKey: ...
class ECPublicKey: ...
class EllipticCurvePrivateNumbers:
def __init__(
self, private_value: int, public_numbers: EllipticCurvePublicNumbers
) -> None: ...
def private_key(
self, backend: typing.Any = None
) -> ec.EllipticCurvePrivateKey: ...
@property
def private_value(self) -> int: ...
@property
def public_numbers(self) -> EllipticCurvePublicNumbers: ...
class EllipticCurvePublicNumbers:
def __init__(self, x: int, y: int, curve: ec.EllipticCurve) -> None: ...
def public_key(
self, backend: typing.Any = None
) -> ec.EllipticCurvePublicKey: ...
@property
def x(self) -> int: ...
@property
def y(self) -> int: ...
@property
def curve(self) -> ec.EllipticCurve: ...
def __eq__(self, other: object) -> bool: ...
def curve_supported(curve: ec.EllipticCurve) -> bool: ...
def generate_private_key(
curve: ec.EllipticCurve, backend: typing.Any = None
) -> ec.EllipticCurvePrivateKey: ...
def from_private_numbers(
numbers: ec.EllipticCurvePrivateNumbers,
) -> ec.EllipticCurvePrivateKey: ...
def from_public_numbers(
numbers: ec.EllipticCurvePublicNumbers,
) -> ec.EllipticCurvePublicKey: ...
def from_public_bytes(
curve: ec.EllipticCurve, data: bytes
) -> ec.EllipticCurvePublicKey: ...
def derive_private_key(
private_value: int, curve: ec.EllipticCurve
) -> ec.EllipticCurvePrivateKey: ...

13
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@@ -1,13 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from cryptography.hazmat.primitives.asymmetric import ed25519
from cryptography.utils import Buffer
class Ed25519PrivateKey: ...
class Ed25519PublicKey: ...
def generate_key() -> ed25519.Ed25519PrivateKey: ...
def from_private_bytes(data: Buffer) -> ed25519.Ed25519PrivateKey: ...
def from_public_bytes(data: bytes) -> ed25519.Ed25519PublicKey: ...

13
.venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ed448.pyi
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@@ -1,13 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from cryptography.hazmat.primitives.asymmetric import ed448
from cryptography.utils import Buffer
class Ed448PrivateKey: ...
class Ed448PublicKey: ...
def generate_key() -> ed448.Ed448PrivateKey: ...
def from_private_bytes(data: Buffer) -> ed448.Ed448PrivateKey: ...
def from_public_bytes(data: bytes) -> ed448.Ed448PublicKey: ...

28
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@@ -1,28 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives import hashes
from cryptography.utils import Buffer
class Hash(hashes.HashContext):
def __init__(
self, algorithm: hashes.HashAlgorithm, backend: typing.Any = None
) -> None: ...
@property
def algorithm(self) -> hashes.HashAlgorithm: ...
def update(self, data: Buffer) -> None: ...
def finalize(self) -> bytes: ...
def copy(self) -> Hash: ...
def hash_supported(algorithm: hashes.HashAlgorithm) -> bool: ...
class XOFHash:
def __init__(self, algorithm: hashes.ExtendableOutputFunction) -> None: ...
@property
def algorithm(self) -> hashes.ExtendableOutputFunction: ...
def update(self, data: Buffer) -> None: ...
def squeeze(self, length: int) -> bytes: ...
def copy(self) -> XOFHash: ...

22
.venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/hmac.pyi
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@@ -1,22 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives import hashes
from cryptography.utils import Buffer
class HMAC(hashes.HashContext):
def __init__(
self,
key: Buffer,
algorithm: hashes.HashAlgorithm,
backend: typing.Any = None,
) -> None: ...
@property
def algorithm(self) -> hashes.HashAlgorithm: ...
def update(self, data: Buffer) -> None: ...
def finalize(self) -> bytes: ...
def verify(self, signature: bytes) -> None: ...
def copy(self) -> HMAC: ...

72
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@@ -1,72 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives.hashes import HashAlgorithm
from cryptography.utils import Buffer
def derive_pbkdf2_hmac(
key_material: Buffer,
algorithm: HashAlgorithm,
salt: bytes,
iterations: int,
length: int,
) -> bytes: ...
class Scrypt:
def __init__(
self,
salt: bytes,
length: int,
n: int,
r: int,
p: int,
backend: typing.Any = None,
) -> None: ...
def derive(self, key_material: Buffer) -> bytes: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class Argon2id:
def __init__(
self,
*,
salt: bytes,
length: int,
iterations: int,
lanes: int,
memory_cost: int,
ad: bytes | None = None,
secret: bytes | None = None,
) -> None: ...
def derive(self, key_material: bytes) -> bytes: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
def derive_phc_encoded(self, key_material: bytes) -> str: ...
@classmethod
def verify_phc_encoded(
cls, key_material: bytes, phc_encoded: str, secret: bytes | None = None
) -> None: ...
class HKDF:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
salt: bytes | None,
info: bytes | None,
backend: typing.Any = None,
): ...
def derive(self, key_material: Buffer) -> bytes: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class HKDFExpand:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
info: bytes | None,
backend: typing.Any = None,
): ...
def derive(self, key_material: Buffer) -> bytes: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...

34
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@@ -1,34 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives.asymmetric.types import (
PrivateKeyTypes,
PublicKeyTypes,
)
from cryptography.utils import Buffer
def load_der_private_key(
data: Buffer,
password: bytes | None,
backend: typing.Any = None,
*,
unsafe_skip_rsa_key_validation: bool = False,
) -> PrivateKeyTypes: ...
def load_pem_private_key(
data: Buffer,
password: bytes | None,
backend: typing.Any = None,
*,
unsafe_skip_rsa_key_validation: bool = False,
) -> PrivateKeyTypes: ...
def load_der_public_key(
data: bytes,
backend: typing.Any = None,
) -> PublicKeyTypes: ...
def load_pem_public_key(
data: bytes,
backend: typing.Any = None,
) -> PublicKeyTypes: ...

15
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@@ -1,15 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from cryptography.utils import Buffer
class Poly1305:
def __init__(self, key: Buffer) -> None: ...
@staticmethod
def generate_tag(key: Buffer, data: Buffer) -> bytes: ...
@staticmethod
def verify_tag(key: Buffer, data: Buffer, tag: bytes) -> None: ...
def update(self, data: Buffer) -> None: ...
def finalize(self) -> bytes: ...
def verify(self, tag: bytes) -> None: ...

55
.venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/rsa.pyi
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@@ -1,55 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives.asymmetric import rsa
class RSAPrivateKey: ...
class RSAPublicKey: ...
class RSAPrivateNumbers:
def __init__(
self,
p: int,
q: int,
d: int,
dmp1: int,
dmq1: int,
iqmp: int,
public_numbers: RSAPublicNumbers,
) -> None: ...
@property
def p(self) -> int: ...
@property
def q(self) -> int: ...
@property
def d(self) -> int: ...
@property
def dmp1(self) -> int: ...
@property
def dmq1(self) -> int: ...
@property
def iqmp(self) -> int: ...
@property
def public_numbers(self) -> RSAPublicNumbers: ...
def private_key(
self,
backend: typing.Any = None,
*,
unsafe_skip_rsa_key_validation: bool = False,
) -> rsa.RSAPrivateKey: ...
class RSAPublicNumbers:
def __init__(self, e: int, n: int) -> None: ...
@property
def n(self) -> int: ...
@property
def e(self) -> int: ...
def public_key(self, backend: typing.Any = None) -> rsa.RSAPublicKey: ...
def generate_private_key(
public_exponent: int,
key_size: int,
) -> rsa.RSAPrivateKey: ...

13
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@@ -1,13 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from cryptography.hazmat.primitives.asymmetric import x25519
from cryptography.utils import Buffer
class X25519PrivateKey: ...
class X25519PublicKey: ...
def generate_key() -> x25519.X25519PrivateKey: ...
def from_private_bytes(data: Buffer) -> x25519.X25519PrivateKey: ...
def from_public_bytes(data: bytes) -> x25519.X25519PublicKey: ...

13
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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from cryptography.hazmat.primitives.asymmetric import x448
from cryptography.utils import Buffer
class X448PrivateKey: ...
class X448PublicKey: ...
def generate_key() -> x448.X448PrivateKey: ...
def from_private_bytes(data: Buffer) -> x448.X448PrivateKey: ...
def from_public_bytes(data: bytes) -> x448.X448PublicKey: ...

52
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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from collections.abc import Iterable
from cryptography import x509
from cryptography.hazmat.primitives.asymmetric.types import PrivateKeyTypes
from cryptography.hazmat.primitives.serialization import (
KeySerializationEncryption,
)
from cryptography.hazmat.primitives.serialization.pkcs12 import (
PKCS12KeyAndCertificates,
PKCS12PrivateKeyTypes,
)
from cryptography.utils import Buffer
class PKCS12Certificate:
def __init__(
self, cert: x509.Certificate, friendly_name: bytes | None
) -> None: ...
@property
def friendly_name(self) -> bytes | None: ...
@property
def certificate(self) -> x509.Certificate: ...
def load_key_and_certificates(
data: Buffer,
password: Buffer | None,
backend: typing.Any = None,
) -> tuple[
PrivateKeyTypes | None,
x509.Certificate | None,
list[x509.Certificate],
]: ...
def load_pkcs12(
data: bytes,
password: bytes | None,
backend: typing.Any = None,
) -> PKCS12KeyAndCertificates: ...
def serialize_java_truststore(
certs: Iterable[PKCS12Certificate],
encryption_algorithm: KeySerializationEncryption,
) -> bytes: ...
def serialize_key_and_certificates(
name: bytes | None,
key: PKCS12PrivateKeyTypes | None,
cert: x509.Certificate | None,
cas: Iterable[x509.Certificate | PKCS12Certificate] | None,
encryption_algorithm: KeySerializationEncryption,
) -> bytes: ...

50
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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from collections.abc import Iterable
from cryptography import x509
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.serialization import pkcs7
def serialize_certificates(
certs: list[x509.Certificate],
encoding: serialization.Encoding,
) -> bytes: ...
def encrypt_and_serialize(
builder: pkcs7.PKCS7EnvelopeBuilder,
content_encryption_algorithm: pkcs7.ContentEncryptionAlgorithm,
encoding: serialization.Encoding,
options: Iterable[pkcs7.PKCS7Options],
) -> bytes: ...
def sign_and_serialize(
builder: pkcs7.PKCS7SignatureBuilder,
encoding: serialization.Encoding,
options: Iterable[pkcs7.PKCS7Options],
) -> bytes: ...
def decrypt_der(
data: bytes,
certificate: x509.Certificate,
private_key: rsa.RSAPrivateKey,
options: Iterable[pkcs7.PKCS7Options],
) -> bytes: ...
def decrypt_pem(
data: bytes,
certificate: x509.Certificate,
private_key: rsa.RSAPrivateKey,
options: Iterable[pkcs7.PKCS7Options],
) -> bytes: ...
def decrypt_smime(
data: bytes,
certificate: x509.Certificate,
private_key: rsa.RSAPrivateKey,
options: Iterable[pkcs7.PKCS7Options],
) -> bytes: ...
def load_pem_pkcs7_certificates(
data: bytes,
) -> list[x509.Certificate]: ...
def load_der_pkcs7_certificates(
data: bytes,
) -> list[x509.Certificate]: ...

23
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@@ -1,23 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from cryptography import x509
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.serialization import pkcs7
from cryptography.utils import Buffer
class TestCertificate:
not_after_tag: int
not_before_tag: int
issuer_value_tags: list[int]
subject_value_tags: list[int]
def test_parse_certificate(data: bytes) -> TestCertificate: ...
def pkcs7_verify(
encoding: serialization.Encoding,
sig: bytes,
msg: Buffer | None,
certs: list[x509.Certificate],
options: list[pkcs7.PKCS7Options],
) -> None: ...

301
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@@ -1,301 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import datetime
import typing
from collections.abc import Iterator
from cryptography import x509
from cryptography.hazmat.primitives import hashes, serialization
from cryptography.hazmat.primitives.asymmetric.ec import ECDSA
from cryptography.hazmat.primitives.asymmetric.padding import PSS, PKCS1v15
from cryptography.hazmat.primitives.asymmetric.types import (
CertificateIssuerPublicKeyTypes,
CertificatePublicKeyTypes,
PrivateKeyTypes,
)
from cryptography.x509 import certificate_transparency
def load_pem_x509_certificate(
data: bytes, backend: typing.Any = None
) -> x509.Certificate: ...
def load_der_x509_certificate(
data: bytes, backend: typing.Any = None
) -> x509.Certificate: ...
def load_pem_x509_certificates(
data: bytes,
) -> list[x509.Certificate]: ...
def load_pem_x509_crl(
data: bytes, backend: typing.Any = None
) -> x509.CertificateRevocationList: ...
def load_der_x509_crl(
data: bytes, backend: typing.Any = None
) -> x509.CertificateRevocationList: ...
def load_pem_x509_csr(
data: bytes, backend: typing.Any = None
) -> x509.CertificateSigningRequest: ...
def load_der_x509_csr(
data: bytes, backend: typing.Any = None
) -> x509.CertificateSigningRequest: ...
def encode_name_bytes(name: x509.Name) -> bytes: ...
def encode_extension_value(extension: x509.ExtensionType) -> bytes: ...
def create_x509_certificate(
builder: x509.CertificateBuilder,
private_key: PrivateKeyTypes,
hash_algorithm: hashes.HashAlgorithm | None,
rsa_padding: PKCS1v15 | PSS | None,
ecdsa_deterministic: bool | None,
) -> x509.Certificate: ...
def create_x509_csr(
builder: x509.CertificateSigningRequestBuilder,
private_key: PrivateKeyTypes,
hash_algorithm: hashes.HashAlgorithm | None,
rsa_padding: PKCS1v15 | PSS | None,
ecdsa_deterministic: bool | None,
) -> x509.CertificateSigningRequest: ...
def create_x509_crl(
builder: x509.CertificateRevocationListBuilder,
private_key: PrivateKeyTypes,
hash_algorithm: hashes.HashAlgorithm | None,
rsa_padding: PKCS1v15 | PSS | None,
ecdsa_deterministic: bool | None,
) -> x509.CertificateRevocationList: ...
class Sct:
@property
def version(self) -> certificate_transparency.Version: ...
@property
def log_id(self) -> bytes: ...
@property
def timestamp(self) -> datetime.datetime: ...
@property
def entry_type(self) -> certificate_transparency.LogEntryType: ...
@property
def signature_hash_algorithm(self) -> hashes.HashAlgorithm: ...
@property
def signature_algorithm(
self,
) -> certificate_transparency.SignatureAlgorithm: ...
@property
def signature(self) -> bytes: ...
@property
def extension_bytes(self) -> bytes: ...
class Certificate:
def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: ...
@property
def serial_number(self) -> int: ...
@property
def version(self) -> x509.Version: ...
def public_key(self) -> CertificatePublicKeyTypes: ...
@property
def public_key_algorithm_oid(self) -> x509.ObjectIdentifier: ...
@property
def not_valid_before(self) -> datetime.datetime: ...
@property
def not_valid_before_utc(self) -> datetime.datetime: ...
@property
def not_valid_after(self) -> datetime.datetime: ...
@property
def not_valid_after_utc(self) -> datetime.datetime: ...
@property
def issuer(self) -> x509.Name: ...
@property
def subject(self) -> x509.Name: ...
@property
def signature_hash_algorithm(
self,
) -> hashes.HashAlgorithm | None: ...
@property
def signature_algorithm_oid(self) -> x509.ObjectIdentifier: ...
@property
def signature_algorithm_parameters(
self,
) -> PSS | PKCS1v15 | ECDSA | None: ...
@property
def extensions(self) -> x509.Extensions: ...
@property
def signature(self) -> bytes: ...
@property
def tbs_certificate_bytes(self) -> bytes: ...
@property
def tbs_precertificate_bytes(self) -> bytes: ...
def __eq__(self, other: object) -> bool: ...
def __hash__(self) -> int: ...
def public_bytes(self, encoding: serialization.Encoding) -> bytes: ...
def verify_directly_issued_by(self, issuer: Certificate) -> None: ...
class RevokedCertificate: ...
class CertificateRevocationList:
def public_bytes(self, encoding: serialization.Encoding) -> bytes: ...
def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: ...
def get_revoked_certificate_by_serial_number(
self, serial_number: int
) -> x509.RevokedCertificate | None: ...
@property
def signature_hash_algorithm(
self,
) -> hashes.HashAlgorithm | None: ...
@property
def signature_algorithm_oid(self) -> x509.ObjectIdentifier: ...
@property
def signature_algorithm_parameters(
self,
) -> PSS | PKCS1v15 | ECDSA | None: ...
@property
def issuer(self) -> x509.Name: ...
@property
def next_update(self) -> datetime.datetime | None: ...
@property
def next_update_utc(self) -> datetime.datetime | None: ...
@property
def last_update(self) -> datetime.datetime: ...
@property
def last_update_utc(self) -> datetime.datetime: ...
@property
def extensions(self) -> x509.Extensions: ...
@property
def signature(self) -> bytes: ...
@property
def tbs_certlist_bytes(self) -> bytes: ...
def __eq__(self, other: object) -> bool: ...
def __len__(self) -> int: ...
@typing.overload
def __getitem__(self, idx: int) -> x509.RevokedCertificate: ...
@typing.overload
def __getitem__(self, idx: slice) -> list[x509.RevokedCertificate]: ...
def __iter__(self) -> Iterator[x509.RevokedCertificate]: ...
def is_signature_valid(
self, public_key: CertificateIssuerPublicKeyTypes
) -> bool: ...
class CertificateSigningRequest:
def __eq__(self, other: object) -> bool: ...
def __hash__(self) -> int: ...
def public_key(self) -> CertificatePublicKeyTypes: ...
@property
def subject(self) -> x509.Name: ...
@property
def signature_hash_algorithm(
self,
) -> hashes.HashAlgorithm | None: ...
@property
def signature_algorithm_oid(self) -> x509.ObjectIdentifier: ...
@property
def signature_algorithm_parameters(
self,
) -> PSS | PKCS1v15 | ECDSA | None: ...
@property
def extensions(self) -> x509.Extensions: ...
@property
def attributes(self) -> x509.Attributes: ...
def public_bytes(self, encoding: serialization.Encoding) -> bytes: ...
@property
def signature(self) -> bytes: ...
@property
def tbs_certrequest_bytes(self) -> bytes: ...
@property
def is_signature_valid(self) -> bool: ...
class PolicyBuilder:
def time(self, time: datetime.datetime) -> PolicyBuilder: ...
def store(self, store: Store) -> PolicyBuilder: ...
def max_chain_depth(self, max_chain_depth: int) -> PolicyBuilder: ...
def extension_policies(
self, *, ca_policy: ExtensionPolicy, ee_policy: ExtensionPolicy
) -> PolicyBuilder: ...
def build_client_verifier(self) -> ClientVerifier: ...
def build_server_verifier(
self, subject: x509.verification.Subject
) -> ServerVerifier: ...
class Policy:
@property
def max_chain_depth(self) -> int: ...
@property
def subject(self) -> x509.verification.Subject | None: ...
@property
def validation_time(self) -> datetime.datetime: ...
@property
def extended_key_usage(self) -> x509.ObjectIdentifier: ...
@property
def minimum_rsa_modulus(self) -> int: ...
class Criticality:
CRITICAL: Criticality
AGNOSTIC: Criticality
NON_CRITICAL: Criticality
T = typing.TypeVar("T", contravariant=True, bound=x509.ExtensionType)
MaybeExtensionValidatorCallback = typing.Callable[
[
Policy,
x509.Certificate,
T | None,
],
None,
]
PresentExtensionValidatorCallback = typing.Callable[
[Policy, x509.Certificate, T],
None,
]
class ExtensionPolicy:
@staticmethod
def permit_all() -> ExtensionPolicy: ...
@staticmethod
def webpki_defaults_ca() -> ExtensionPolicy: ...
@staticmethod
def webpki_defaults_ee() -> ExtensionPolicy: ...
def require_not_present(
self, extension_type: type[x509.ExtensionType]
) -> ExtensionPolicy: ...
def may_be_present(
self,
extension_type: type[T],
criticality: Criticality,
validator: MaybeExtensionValidatorCallback[T] | None,
) -> ExtensionPolicy: ...
def require_present(
self,
extension_type: type[T],
criticality: Criticality,
validator: PresentExtensionValidatorCallback[T] | None,
) -> ExtensionPolicy: ...
class VerifiedClient:
@property
def subjects(self) -> list[x509.GeneralName] | None: ...
@property
def chain(self) -> list[x509.Certificate]: ...
class ClientVerifier:
@property
def policy(self) -> Policy: ...
@property
def store(self) -> Store: ...
def verify(
self,
leaf: x509.Certificate,
intermediates: list[x509.Certificate],
) -> VerifiedClient: ...
class ServerVerifier:
@property
def policy(self) -> Policy: ...
@property
def store(self) -> Store: ...
def verify(
self,
leaf: x509.Certificate,
intermediates: list[x509.Certificate],
) -> list[x509.Certificate]: ...
class Store:
def __init__(self, certs: list[x509.Certificate]) -> None: ...
class VerificationError(Exception): ...

3
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@@ -1,3 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

207
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@@ -1,207 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
def cryptography_has_set_cert_cb() -> list[str]:
return [
"SSL_CTX_set_cert_cb",
"SSL_set_cert_cb",
]
def cryptography_has_ssl_st() -> list[str]:
return [
"SSL_ST_BEFORE",
"SSL_ST_OK",
"SSL_ST_INIT",
"SSL_ST_RENEGOTIATE",
]
def cryptography_has_tls_st() -> list[str]:
return [
"TLS_ST_BEFORE",
"TLS_ST_OK",
]
def cryptography_has_ssl_sigalgs() -> list[str]:
return [
"SSL_CTX_set1_sigalgs_list",
]
def cryptography_has_psk() -> list[str]:
return [
"SSL_CTX_use_psk_identity_hint",
"SSL_CTX_set_psk_server_callback",
"SSL_CTX_set_psk_client_callback",
]
def cryptography_has_psk_tlsv13() -> list[str]:
return [
"SSL_CTX_set_psk_find_session_callback",
"SSL_CTX_set_psk_use_session_callback",
"Cryptography_SSL_SESSION_new",
"SSL_CIPHER_find",
"SSL_SESSION_set1_master_key",
"SSL_SESSION_set_cipher",
"SSL_SESSION_set_protocol_version",
]
def cryptography_has_custom_ext() -> list[str]:
return [
"SSL_CTX_add_client_custom_ext",
"SSL_CTX_add_server_custom_ext",
"SSL_extension_supported",
]
def cryptography_has_tlsv13_functions() -> list[str]:
return [
"SSL_CTX_set_ciphersuites",
]
def cryptography_has_tlsv13_hs_functions() -> list[str]:
return [
"SSL_VERIFY_POST_HANDSHAKE",
"SSL_verify_client_post_handshake",
"SSL_CTX_set_post_handshake_auth",
"SSL_set_post_handshake_auth",
"SSL_SESSION_get_max_early_data",
"SSL_write_early_data",
"SSL_read_early_data",
"SSL_CTX_set_max_early_data",
]
def cryptography_has_ssl_verify_client_post_handshake() -> list[str]:
return [
"SSL_verify_client_post_handshake",
]
def cryptography_has_engine() -> list[str]:
return [
"ENGINE_by_id",
"ENGINE_init",
"ENGINE_finish",
"ENGINE_get_default_RAND",
"ENGINE_set_default_RAND",
"ENGINE_unregister_RAND",
"ENGINE_ctrl_cmd",
"ENGINE_free",
"ENGINE_get_name",
"ENGINE_ctrl_cmd_string",
"ENGINE_load_builtin_engines",
"ENGINE_load_private_key",
"ENGINE_load_public_key",
"SSL_CTX_set_client_cert_engine",
]
def cryptography_has_verified_chain() -> list[str]:
return [
"SSL_get0_verified_chain",
]
def cryptography_has_srtp() -> list[str]:
return [
"SSL_CTX_set_tlsext_use_srtp",
"SSL_set_tlsext_use_srtp",
"SSL_get_selected_srtp_profile",
]
def cryptography_has_op_no_renegotiation() -> list[str]:
return [
"SSL_OP_NO_RENEGOTIATION",
]
def cryptography_has_dtls_get_data_mtu() -> list[str]:
return [
"DTLS_get_data_mtu",
]
def cryptography_has_ssl_cookie() -> list[str]:
return [
"SSL_OP_COOKIE_EXCHANGE",
"DTLSv1_listen",
"SSL_CTX_set_cookie_generate_cb",
"SSL_CTX_set_cookie_verify_cb",
]
def cryptography_has_prime_checks() -> list[str]:
return [
"BN_prime_checks_for_size",
]
def cryptography_has_unexpected_eof_while_reading() -> list[str]:
return ["SSL_R_UNEXPECTED_EOF_WHILE_READING"]
def cryptography_has_ssl_op_ignore_unexpected_eof() -> list[str]:
return [
"SSL_OP_IGNORE_UNEXPECTED_EOF",
]
def cryptography_has_get_extms_support() -> list[str]:
return ["SSL_get_extms_support"]
def cryptography_has_ssl_get0_group_name() -> list[str]:
return ["SSL_get0_group_name"]
# This is a mapping of
# {condition: function-returning-names-dependent-on-that-condition} so we can
# loop over them and delete unsupported names at runtime. It will be removed
# when cffi supports #if in cdef. We use functions instead of just a dict of
# lists so we can use coverage to measure which are used.
CONDITIONAL_NAMES = {
"Cryptography_HAS_SET_CERT_CB": cryptography_has_set_cert_cb,
"Cryptography_HAS_SSL_ST": cryptography_has_ssl_st,
"Cryptography_HAS_TLS_ST": cryptography_has_tls_st,
"Cryptography_HAS_SIGALGS": cryptography_has_ssl_sigalgs,
"Cryptography_HAS_PSK": cryptography_has_psk,
"Cryptography_HAS_PSK_TLSv1_3": cryptography_has_psk_tlsv13,
"Cryptography_HAS_CUSTOM_EXT": cryptography_has_custom_ext,
"Cryptography_HAS_TLSv1_3_FUNCTIONS": cryptography_has_tlsv13_functions,
"Cryptography_HAS_TLSv1_3_HS_FUNCTIONS": (
cryptography_has_tlsv13_hs_functions
),
"Cryptography_HAS_SSL_VERIFY_CLIENT_POST_HANDSHAKE": (
cryptography_has_ssl_verify_client_post_handshake
),
"Cryptography_HAS_ENGINE": cryptography_has_engine,
"Cryptography_HAS_VERIFIED_CHAIN": cryptography_has_verified_chain,
"Cryptography_HAS_SRTP": cryptography_has_srtp,
"Cryptography_HAS_OP_NO_RENEGOTIATION": (
cryptography_has_op_no_renegotiation
),
"Cryptography_HAS_DTLS_GET_DATA_MTU": cryptography_has_dtls_get_data_mtu,
"Cryptography_HAS_SSL_COOKIE": cryptography_has_ssl_cookie,
"Cryptography_HAS_PRIME_CHECKS": cryptography_has_prime_checks,
"Cryptography_HAS_UNEXPECTED_EOF_WHILE_READING": (
cryptography_has_unexpected_eof_while_reading
),
"Cryptography_HAS_SSL_OP_IGNORE_UNEXPECTED_EOF": (
cryptography_has_ssl_op_ignore_unexpected_eof
),
"Cryptography_HAS_GET_EXTMS_SUPPORT": cryptography_has_get_extms_support,
"Cryptography_HAS_SSL_GET0_GROUP_NAME": (
cryptography_has_ssl_get0_group_name
),
}

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@@ -1,137 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import os
import sys
import threading
import types
import typing
import warnings
from collections.abc import Callable
import cryptography
from cryptography.exceptions import InternalError
from cryptography.hazmat.bindings._rust import _openssl, openssl
from cryptography.hazmat.bindings.openssl._conditional import CONDITIONAL_NAMES
from cryptography.utils import CryptographyDeprecationWarning
def _openssl_assert(ok: bool) -> None:
if not ok:
errors = openssl.capture_error_stack()
raise InternalError(
"Unknown OpenSSL error. This error is commonly encountered when "
"another library is not cleaning up the OpenSSL error stack. If "
"you are using cryptography with another library that uses "
"OpenSSL try disabling it before reporting a bug. Otherwise "
"please file an issue at https://github.com/pyca/cryptography/"
"issues with information on how to reproduce "
f"this. ({errors!r})",
errors,
)
def build_conditional_library(
lib: typing.Any,
conditional_names: dict[str, Callable[[], list[str]]],
) -> typing.Any:
conditional_lib = types.ModuleType("lib")
conditional_lib._original_lib = lib # type: ignore[attr-defined]
excluded_names = set()
for condition, names_cb in conditional_names.items():
if not getattr(lib, condition):
excluded_names.update(names_cb())
for attr in dir(lib):
if attr not in excluded_names:
setattr(conditional_lib, attr, getattr(lib, attr))
return conditional_lib
class Binding:
"""
OpenSSL API wrapper.
"""
lib: typing.ClassVar[typing.Any] = None
ffi = _openssl.ffi
_lib_loaded = False
_init_lock = threading.Lock()
def __init__(self) -> None:
self._ensure_ffi_initialized()
@classmethod
def _ensure_ffi_initialized(cls) -> None:
with cls._init_lock:
if not cls._lib_loaded:
cls.lib = build_conditional_library(
_openssl.lib, CONDITIONAL_NAMES
)
cls._lib_loaded = True
@classmethod
def init_static_locks(cls) -> None:
cls._ensure_ffi_initialized()
def _verify_package_version(version: str) -> None:
# Occasionally we run into situations where the version of the Python
# package does not match the version of the shared object that is loaded.
# This may occur in environments where multiple versions of cryptography
# are installed and available in the python path. To avoid errors cropping
# up later this code checks that the currently imported package and the
# shared object that were loaded have the same version and raise an
# ImportError if they do not
so_package_version = _openssl.ffi.string(
_openssl.lib.CRYPTOGRAPHY_PACKAGE_VERSION
)
if version.encode("ascii") != so_package_version:
raise ImportError(
"The version of cryptography does not match the loaded "
"shared object. This can happen if you have multiple copies of "
"cryptography installed in your Python path. Please try creating "
"a new virtual environment to resolve this issue. "
f"Loaded python version: {version}, "
f"shared object version: {so_package_version}"
)
_openssl_assert(
_openssl.lib.OpenSSL_version_num() == openssl.openssl_version(),
)
_verify_package_version(cryptography.__version__)
Binding.init_static_locks()
if (
sys.platform == "win32"
and os.environ.get("PROCESSOR_ARCHITEW6432") is not None
):
warnings.warn(
"You are using cryptography on a 32-bit Python on a 64-bit Windows "
"Operating System. Cryptography will be significantly faster if you "
"switch to using a 64-bit Python.",
UserWarning,
stacklevel=2,
)
if (
not openssl.CRYPTOGRAPHY_IS_LIBRESSL
and not openssl.CRYPTOGRAPHY_IS_BORINGSSL
and not openssl.CRYPTOGRAPHY_IS_AWSLC
and not openssl.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER
):
warnings.warn(
"You are using OpenSSL < 3.0. Support for OpenSSL < 3.0 is deprecated "
"and will be removed in the next release. Please upgrade to OpenSSL "
"3.0 or later.",
CryptographyDeprecationWarning,
stacklevel=2,
)

5
.venv/lib/python3.12/site-packages/cryptography/hazmat/decrepit/__init__.py
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@@ -1,5 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations

5
.venv/lib/python3.12/site-packages/cryptography/hazmat/decrepit/ciphers/__init__.py
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@@ -1,5 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations

112
.venv/lib/python3.12/site-packages/cryptography/hazmat/decrepit/ciphers/algorithms.py
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@@ -1,112 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
from cryptography.hazmat.primitives._cipheralgorithm import (
BlockCipherAlgorithm,
CipherAlgorithm,
_verify_key_size,
)
class ARC4(CipherAlgorithm):
name = "RC4"
key_sizes = frozenset([40, 56, 64, 80, 128, 160, 192, 256])
def __init__(self, key: bytes):
self.key = _verify_key_size(self, key)
@property
def key_size(self) -> int:
return len(self.key) * 8
class TripleDES(BlockCipherAlgorithm):
name = "3DES"
block_size = 64
key_sizes = frozenset([64, 128, 192])
def __init__(self, key: bytes):
if len(key) == 8:
key += key + key
elif len(key) == 16:
key += key[:8]
self.key = _verify_key_size(self, key)
@property
def key_size(self) -> int:
return len(self.key) * 8
# Not actually supported, marker for tests
class _DES:
key_size = 64
class Blowfish(BlockCipherAlgorithm):
name = "Blowfish"
block_size = 64
key_sizes = frozenset(range(32, 449, 8))
def __init__(self, key: bytes):
self.key = _verify_key_size(self, key)
@property
def key_size(self) -> int:
return len(self.key) * 8
class CAST5(BlockCipherAlgorithm):
name = "CAST5"
block_size = 64
key_sizes = frozenset(range(40, 129, 8))
def __init__(self, key: bytes):
self.key = _verify_key_size(self, key)
@property
def key_size(self) -> int:
return len(self.key) * 8
class SEED(BlockCipherAlgorithm):
name = "SEED"
block_size = 128
key_sizes = frozenset([128])
def __init__(self, key: bytes):
self.key = _verify_key_size(self, key)
@property
def key_size(self) -> int:
return len(self.key) * 8
class IDEA(BlockCipherAlgorithm):
name = "IDEA"
block_size = 64
key_sizes = frozenset([128])
def __init__(self, key: bytes):
self.key = _verify_key_size(self, key)
@property
def key_size(self) -> int:
return len(self.key) * 8
# This class only allows RC2 with a 128-bit key. No support for
# effective key bits or other key sizes is provided.
class RC2(BlockCipherAlgorithm):
name = "RC2"
block_size = 64
key_sizes = frozenset([128])
def __init__(self, key: bytes):
self.key = _verify_key_size(self, key)
@property
def key_size(self) -> int:
return len(self.key) * 8

3
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/__init__.py
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@@ -1,3 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

19
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_asymmetric.py
View File

@@ -1,19 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import abc
# This exists to break an import cycle. It is normally accessible from the
# asymmetric padding module.
class AsymmetricPadding(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def name(self) -> str:
"""
A string naming this padding (e.g. "PSS", "PKCS1").
"""

60
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py
View File

@@ -1,60 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import abc
from cryptography import utils
# This exists to break an import cycle. It is normally accessible from the
# ciphers module.
class CipherAlgorithm(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def name(self) -> str:
"""
A string naming this mode (e.g. "AES", "Camellia").
"""
@property
@abc.abstractmethod
def key_sizes(self) -> frozenset[int]:
"""
Valid key sizes for this algorithm in bits
"""
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
The size of the key being used as an integer in bits (e.g. 128, 256).
"""
class BlockCipherAlgorithm(CipherAlgorithm):
key: utils.Buffer
@property
@abc.abstractmethod
def block_size(self) -> int:
"""
The size of a block as an integer in bits (e.g. 64, 128).
"""
def _verify_key_size(
algorithm: CipherAlgorithm, key: utils.Buffer
) -> utils.Buffer:
# Verify that the key is instance of bytes
utils._check_byteslike("key", key)
# Verify that the key size matches the expected key size
if len(key) * 8 not in algorithm.key_sizes:
raise ValueError(
f"Invalid key size ({len(key) * 8}) for {algorithm.name}."
)
return key

168
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_serialization.py
View File

@@ -1,168 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import abc
from cryptography import utils
from cryptography.hazmat.primitives.hashes import HashAlgorithm
# This exists to break an import cycle. These classes are normally accessible
# from the serialization module.
class PBES(utils.Enum):
PBESv1SHA1And3KeyTripleDESCBC = "PBESv1 using SHA1 and 3-Key TripleDES"
PBESv2SHA256AndAES256CBC = "PBESv2 using SHA256 PBKDF2 and AES256 CBC"
class Encoding(utils.Enum):
PEM = "PEM"
DER = "DER"
OpenSSH = "OpenSSH"
Raw = "Raw"
X962 = "ANSI X9.62"
SMIME = "S/MIME"
class PrivateFormat(utils.Enum):
PKCS8 = "PKCS8"
TraditionalOpenSSL = "TraditionalOpenSSL"
Raw = "Raw"
OpenSSH = "OpenSSH"
PKCS12 = "PKCS12"
def encryption_builder(self) -> KeySerializationEncryptionBuilder:
if self not in (PrivateFormat.OpenSSH, PrivateFormat.PKCS12):
raise ValueError(
"encryption_builder only supported with PrivateFormat.OpenSSH"
" and PrivateFormat.PKCS12"
)
return KeySerializationEncryptionBuilder(self)
class PublicFormat(utils.Enum):
SubjectPublicKeyInfo = "X.509 subjectPublicKeyInfo with PKCS#1"
PKCS1 = "Raw PKCS#1"
OpenSSH = "OpenSSH"
Raw = "Raw"
CompressedPoint = "X9.62 Compressed Point"
UncompressedPoint = "X9.62 Uncompressed Point"
class ParameterFormat(utils.Enum):
PKCS3 = "PKCS3"
class KeySerializationEncryption(metaclass=abc.ABCMeta):
pass
class BestAvailableEncryption(KeySerializationEncryption):
def __init__(self, password: bytes):
if not isinstance(password, bytes) or len(password) == 0:
raise ValueError("Password must be 1 or more bytes.")
self.password = password
class NoEncryption(KeySerializationEncryption):
pass
class KeySerializationEncryptionBuilder:
def __init__(
self,
format: PrivateFormat,
*,
_kdf_rounds: int | None = None,
_hmac_hash: HashAlgorithm | None = None,
_key_cert_algorithm: PBES | None = None,
) -> None:
self._format = format
self._kdf_rounds = _kdf_rounds
self._hmac_hash = _hmac_hash
self._key_cert_algorithm = _key_cert_algorithm
def kdf_rounds(self, rounds: int) -> KeySerializationEncryptionBuilder:
if self._kdf_rounds is not None:
raise ValueError("kdf_rounds already set")
if not isinstance(rounds, int):
raise TypeError("kdf_rounds must be an integer")
if rounds < 1:
raise ValueError("kdf_rounds must be a positive integer")
return KeySerializationEncryptionBuilder(
self._format,
_kdf_rounds=rounds,
_hmac_hash=self._hmac_hash,
_key_cert_algorithm=self._key_cert_algorithm,
)
def hmac_hash(
self, algorithm: HashAlgorithm
) -> KeySerializationEncryptionBuilder:
if self._format is not PrivateFormat.PKCS12:
raise TypeError(
"hmac_hash only supported with PrivateFormat.PKCS12"
)
if self._hmac_hash is not None:
raise ValueError("hmac_hash already set")
return KeySerializationEncryptionBuilder(
self._format,
_kdf_rounds=self._kdf_rounds,
_hmac_hash=algorithm,
_key_cert_algorithm=self._key_cert_algorithm,
)
def key_cert_algorithm(
self, algorithm: PBES
) -> KeySerializationEncryptionBuilder:
if self._format is not PrivateFormat.PKCS12:
raise TypeError(
"key_cert_algorithm only supported with PrivateFormat.PKCS12"
)
if self._key_cert_algorithm is not None:
raise ValueError("key_cert_algorithm already set")
return KeySerializationEncryptionBuilder(
self._format,
_kdf_rounds=self._kdf_rounds,
_hmac_hash=self._hmac_hash,
_key_cert_algorithm=algorithm,
)
def build(self, password: bytes) -> KeySerializationEncryption:
if not isinstance(password, bytes) or len(password) == 0:
raise ValueError("Password must be 1 or more bytes.")
return _KeySerializationEncryption(
self._format,
password,
kdf_rounds=self._kdf_rounds,
hmac_hash=self._hmac_hash,
key_cert_algorithm=self._key_cert_algorithm,
)
class _KeySerializationEncryption(KeySerializationEncryption):
def __init__(
self,
format: PrivateFormat,
password: bytes,
*,
kdf_rounds: int | None,
hmac_hash: HashAlgorithm | None,
key_cert_algorithm: PBES | None,
):
self._format = format
self.password = password
self._kdf_rounds = kdf_rounds
self._hmac_hash = hmac_hash
self._key_cert_algorithm = key_cert_algorithm

3
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/__init__.py
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@@ -1,3 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

147
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/dh.py
View File

@@ -1,147 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import abc
from cryptography.hazmat.bindings._rust import openssl as rust_openssl
from cryptography.hazmat.primitives import _serialization
generate_parameters = rust_openssl.dh.generate_parameters
DHPrivateNumbers = rust_openssl.dh.DHPrivateNumbers
DHPublicNumbers = rust_openssl.dh.DHPublicNumbers
DHParameterNumbers = rust_openssl.dh.DHParameterNumbers
class DHParameters(metaclass=abc.ABCMeta):
@abc.abstractmethod
def generate_private_key(self) -> DHPrivateKey:
"""
Generates and returns a DHPrivateKey.
"""
@abc.abstractmethod
def parameter_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.ParameterFormat,
) -> bytes:
"""
Returns the parameters serialized as bytes.
"""
@abc.abstractmethod
def parameter_numbers(self) -> DHParameterNumbers:
"""
Returns a DHParameterNumbers.
"""
DHParametersWithSerialization = DHParameters
DHParameters.register(rust_openssl.dh.DHParameters)
class DHPublicKey(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
The bit length of the prime modulus.
"""
@abc.abstractmethod
def parameters(self) -> DHParameters:
"""
The DHParameters object associated with this public key.
"""
@abc.abstractmethod
def public_numbers(self) -> DHPublicNumbers:
"""
Returns a DHPublicNumbers.
"""
@abc.abstractmethod
def public_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PublicFormat,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
@abc.abstractmethod
def __eq__(self, other: object) -> bool:
"""
Checks equality.
"""
@abc.abstractmethod
def __copy__(self) -> DHPublicKey:
"""
Returns a copy.
"""
DHPublicKeyWithSerialization = DHPublicKey
DHPublicKey.register(rust_openssl.dh.DHPublicKey)
class DHPrivateKey(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
The bit length of the prime modulus.
"""
@abc.abstractmethod
def public_key(self) -> DHPublicKey:
"""
The DHPublicKey associated with this private key.
"""
@abc.abstractmethod
def parameters(self) -> DHParameters:
"""
The DHParameters object associated with this private key.
"""
@abc.abstractmethod
def exchange(self, peer_public_key: DHPublicKey) -> bytes:
"""
Given peer's DHPublicKey, carry out the key exchange and
return shared key as bytes.
"""
@abc.abstractmethod
def private_numbers(self) -> DHPrivateNumbers:
"""
Returns a DHPrivateNumbers.
"""
@abc.abstractmethod
def private_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PrivateFormat,
encryption_algorithm: _serialization.KeySerializationEncryption,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
@abc.abstractmethod
def __copy__(self) -> DHPrivateKey:
"""
Returns a copy.
"""
DHPrivateKeyWithSerialization = DHPrivateKey
DHPrivateKey.register(rust_openssl.dh.DHPrivateKey)

167
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py
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@@ -1,167 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import abc
import typing
from cryptography.hazmat.bindings._rust import openssl as rust_openssl
from cryptography.hazmat.primitives import _serialization, hashes
from cryptography.hazmat.primitives.asymmetric import utils as asym_utils
from cryptography.utils import Buffer
class DSAParameters(metaclass=abc.ABCMeta):
@abc.abstractmethod
def generate_private_key(self) -> DSAPrivateKey:
"""
Generates and returns a DSAPrivateKey.
"""
@abc.abstractmethod
def parameter_numbers(self) -> DSAParameterNumbers:
"""
Returns a DSAParameterNumbers.
"""
DSAParametersWithNumbers = DSAParameters
DSAParameters.register(rust_openssl.dsa.DSAParameters)
class DSAPrivateKey(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
The bit length of the prime modulus.
"""
@abc.abstractmethod
def public_key(self) -> DSAPublicKey:
"""
The DSAPublicKey associated with this private key.
"""
@abc.abstractmethod
def parameters(self) -> DSAParameters:
"""
The DSAParameters object associated with this private key.
"""
@abc.abstractmethod
def sign(
self,
data: Buffer,
algorithm: asym_utils.Prehashed | hashes.HashAlgorithm,
) -> bytes:
"""
Signs the data
"""
@abc.abstractmethod
def private_numbers(self) -> DSAPrivateNumbers:
"""
Returns a DSAPrivateNumbers.
"""
@abc.abstractmethod
def private_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PrivateFormat,
encryption_algorithm: _serialization.KeySerializationEncryption,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
@abc.abstractmethod
def __copy__(self) -> DSAPrivateKey:
"""
Returns a copy.
"""
DSAPrivateKeyWithSerialization = DSAPrivateKey
DSAPrivateKey.register(rust_openssl.dsa.DSAPrivateKey)
class DSAPublicKey(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
The bit length of the prime modulus.
"""
@abc.abstractmethod
def parameters(self) -> DSAParameters:
"""
The DSAParameters object associated with this public key.
"""
@abc.abstractmethod
def public_numbers(self) -> DSAPublicNumbers:
"""
Returns a DSAPublicNumbers.
"""
@abc.abstractmethod
def public_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PublicFormat,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
@abc.abstractmethod
def verify(
self,
signature: Buffer,
data: Buffer,
algorithm: asym_utils.Prehashed | hashes.HashAlgorithm,
) -> None:
"""
Verifies the signature of the data.
"""
@abc.abstractmethod
def __eq__(self, other: object) -> bool:
"""
Checks equality.
"""
@abc.abstractmethod
def __copy__(self) -> DSAPublicKey:
"""
Returns a copy.
"""
DSAPublicKeyWithSerialization = DSAPublicKey
DSAPublicKey.register(rust_openssl.dsa.DSAPublicKey)
DSAPrivateNumbers = rust_openssl.dsa.DSAPrivateNumbers
DSAPublicNumbers = rust_openssl.dsa.DSAPublicNumbers
DSAParameterNumbers = rust_openssl.dsa.DSAParameterNumbers
def generate_parameters(
key_size: int, backend: typing.Any = None
) -> DSAParameters:
if key_size not in (1024, 2048, 3072, 4096):
raise ValueError("Key size must be 1024, 2048, 3072, or 4096 bits.")
return rust_openssl.dsa.generate_parameters(key_size)
def generate_private_key(
key_size: int, backend: typing.Any = None
) -> DSAPrivateKey:
parameters = generate_parameters(key_size)
return parameters.generate_private_key()

470
.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ec.py
View File

@@ -1,470 +0,0 @@
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import annotations
import abc
import typing
from cryptography import utils
from cryptography.exceptions import UnsupportedAlgorithm, _Reasons
from cryptography.hazmat._oid import ObjectIdentifier
from cryptography.hazmat.bindings._rust import openssl as rust_openssl
from cryptography.hazmat.primitives import _serialization, hashes
from cryptography.hazmat.primitives.asymmetric import utils as asym_utils
class EllipticCurveOID:
SECP192R1 = ObjectIdentifier("1.2.840.10045.3.1.1")
SECP224R1 = ObjectIdentifier("1.3.132.0.33")
SECP256K1 = ObjectIdentifier("1.3.132.0.10")
SECP256R1 = ObjectIdentifier("1.2.840.10045.3.1.7")
SECP384R1 = ObjectIdentifier("1.3.132.0.34")
SECP521R1 = ObjectIdentifier("1.3.132.0.35")
BRAINPOOLP256R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.7")
BRAINPOOLP384R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.11")
BRAINPOOLP512R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.13")
SECT163K1 = ObjectIdentifier("1.3.132.0.1")
SECT163R2 = ObjectIdentifier("1.3.132.0.15")
SECT233K1 = ObjectIdentifier("1.3.132.0.26")
SECT233R1 = ObjectIdentifier("1.3.132.0.27")
SECT283K1 = ObjectIdentifier("1.3.132.0.16")
SECT283R1 = ObjectIdentifier("1.3.132.0.17")
SECT409K1 = ObjectIdentifier("1.3.132.0.36")
SECT409R1 = ObjectIdentifier("1.3.132.0.37")
SECT571K1 = ObjectIdentifier("1.3.132.0.38")
SECT571R1 = ObjectIdentifier("1.3.132.0.39")
class EllipticCurve(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def name(self) -> str:
"""
The name of the curve. e.g. secp256r1.
"""
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
Bit size of a secret scalar for the curve.
"""
@property
@abc.abstractmethod
def group_order(self) -> int:
"""
The order of the curve's group.
"""
class EllipticCurveSignatureAlgorithm(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def algorithm(
self,
) -> asym_utils.Prehashed | hashes.HashAlgorithm:
"""
The digest algorithm used with this signature.
"""
class EllipticCurvePrivateKey(metaclass=abc.ABCMeta):
@abc.abstractmethod
def exchange(
self, algorithm: ECDH, peer_public_key: EllipticCurvePublicKey
) -> bytes:
"""
Performs a key exchange operation using the provided algorithm with the
provided peer's public key.
"""
@abc.abstractmethod
def public_key(self) -> EllipticCurvePublicKey:
"""
The EllipticCurvePublicKey for this private key.
"""
@property
@abc.abstractmethod
def curve(self) -> EllipticCurve:
"""
The EllipticCurve that this key is on.
"""
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
Bit size of a secret scalar for the curve.
"""
@abc.abstractmethod
def sign(
self,
data: utils.Buffer,
signature_algorithm: EllipticCurveSignatureAlgorithm,
) -> bytes:
"""
Signs the data
"""
@abc.abstractmethod
def private_numbers(self) -> EllipticCurvePrivateNumbers:
"""
Returns an EllipticCurvePrivateNumbers.
"""
@abc.abstractmethod
def private_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PrivateFormat,
encryption_algorithm: _serialization.KeySerializationEncryption,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
@abc.abstractmethod
def __copy__(self) -> EllipticCurvePrivateKey:
"""
Returns a copy.
"""
EllipticCurvePrivateKeyWithSerialization = EllipticCurvePrivateKey
EllipticCurvePrivateKey.register(rust_openssl.ec.ECPrivateKey)
class EllipticCurvePublicKey(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def curve(self) -> EllipticCurve:
"""
The EllipticCurve that this key is on.
"""
@property
@abc.abstractmethod
def key_size(self) -> int:
"""
Bit size of a secret scalar for the curve.
"""
@abc.abstractmethod
def public_numbers(self) -> EllipticCurvePublicNumbers:
"""
Returns an EllipticCurvePublicNumbers.
"""
@abc.abstractmethod
def public_bytes(
self,
encoding: _serialization.Encoding,
format: _serialization.PublicFormat,
) -> bytes:
"""
Returns the key serialized as bytes.
"""
@abc.abstractmethod
def verify(
self,
signature: utils.Buffer,
data: utils.Buffer,
signature_algorithm: EllipticCurveSignatureAlgorithm,
) -> None:
"""
Verifies the signature of the data.
"""
@classmethod
def from_encoded_point(
cls, curve: EllipticCurve, data: bytes
) -> EllipticCurvePublicKey:
utils._check_bytes("data", data)
if len(data) == 0:
raise ValueError("data must not be an empty byte string")
if data[0] not in [0x02, 0x03, 0x04]:
raise ValueError("Unsupported elliptic curve point type")
return rust_openssl.ec.from_public_bytes(curve, data)
@abc.abstractmethod
def __eq__(self, other: object) -> bool:
"""
Checks equality.
"""
@abc.abstractmethod
def __copy__(self) -> EllipticCurvePublicKey:
"""
Returns a copy.
"""
EllipticCurvePublicKeyWithSerialization = EllipticCurvePublicKey
EllipticCurvePublicKey.register(rust_openssl.ec.ECPublicKey)
EllipticCurvePrivateNumbers = rust_openssl.ec.EllipticCurvePrivateNumbers
EllipticCurvePublicNumbers = rust_openssl.ec.EllipticCurvePublicNumbers
class SECT571R1(EllipticCurve):
name = "sect571r1"
key_size = 570
group_order = 0x3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47 # noqa: E501
class SECT409R1(EllipticCurve):
name = "sect409r1"
key_size = 409
group_order = 0x10000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173 # noqa: E501
class SECT283R1(EllipticCurve):
name = "sect283r1"
key_size = 283
group_order = 0x3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307 # noqa: E501
class SECT233R1(EllipticCurve):
name = "sect233r1"
key_size = 233
group_order = 0x1000000000000000000000000000013E974E72F8A6922031D2603CFE0D7
class SECT163R2(EllipticCurve):
name = "sect163r2"
key_size = 163
group_order = 0x40000000000000000000292FE77E70C12A4234C33
class SECT571K1(EllipticCurve):
name = "sect571k1"
key_size = 571
group_order = 0x20000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001 # noqa: E501
class SECT409K1(EllipticCurve):
name = "sect409k1"
key_size = 409
group_order = 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF # noqa: E501
class SECT283K1(EllipticCurve):
name = "sect283k1"
key_size = 283
group_order = 0x1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61 # noqa: E501
class SECT233K1(EllipticCurve):
name = "sect233k1"
key_size = 233
group_order = 0x8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF
class SECT163K1(EllipticCurve):
name = "sect163k1"
key_size = 163
group_order = 0x4000000000000000000020108A2E0CC0D99F8A5EF
class SECP521R1(EllipticCurve):
name = "secp521r1"
key_size = 521
group_order = 0x1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409 # noqa: E501
class SECP384R1(EllipticCurve):
name = "secp384r1"
key_size = 384
group_order = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973 # noqa: E501
class SECP256R1(EllipticCurve):
name = "secp256r1"
key_size = 256
group_order = (
0xFFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551
)
class SECP256K1(EllipticCurve):
name = "secp256k1"
key_size = 256
group_order = (
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141
)
class SECP224R1(EllipticCurve):
name = "secp224r1"
key_size = 224
group_order = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D
class SECP192R1(EllipticCurve):
name = "secp192r1"
key_size = 192
group_order = 0xFFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831
class BrainpoolP256R1(EllipticCurve):
name = "brainpoolP256r1"
key_size = 256
group_order = (
0xA9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7
)
class BrainpoolP384R1(EllipticCurve):
name = "brainpoolP384r1"
key_size = 384
group_order = 0x8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC3103B883202E9046565 # noqa: E501
class BrainpoolP512R1(EllipticCurve):
name = "brainpoolP512r1"
key_size = 512
group_order = 0xAADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA70330870553E5C414CA92619418661197FAC10471DB1D381085DDADDB58796829CA90069 # noqa: E501
_CURVE_TYPES: dict[str, EllipticCurve] = {
"prime192v1": SECP192R1(),
"prime256v1": SECP256R1(),
"secp192r1": SECP192R1(),
"secp224r1": SECP224R1(),
"secp256r1": SECP256R1(),
"secp384r1": SECP384R1(),
"secp521r1": SECP521R1(),
"secp256k1": SECP256K1(),
"sect163k1": SECT163K1(),
"sect233k1": SECT233K1(),
"sect283k1": SECT283K1(),
"sect409k1": SECT409K1(),
"sect571k1": SECT571K1(),
"sect163r2": SECT163R2(),
"sect233r1": SECT233R1(),
"sect283r1": SECT283R1(),
"sect409r1": SECT409R1(),
"sect571r1": SECT571R1(),
"brainpoolP256r1": BrainpoolP256R1(),
"brainpoolP384r1": BrainpoolP384R1(),
"brainpoolP512r1": BrainpoolP512R1(),
}
class ECDSA(EllipticCurveSignatureAlgorithm):
def __init__(
self,
algorithm: asym_utils.Prehashed | hashes.HashAlgorithm,
deterministic_signing: bool = False,
):
from cryptography.hazmat.backends.openssl.backend import backend
if (
deterministic_signing
and not backend.ecdsa_deterministic_supported()
):
raise UnsupportedAlgorithm(
"ECDSA with deterministic signature (RFC 6979) is not "
"supported by this version of OpenSSL.",
_Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM,
)
self._algorithm = algorithm
self._deterministic_signing = deterministic_signing
@property
def algorithm(
self,
) -> asym_utils.Prehashed | hashes.HashAlgorithm:
return self._algorithm
@property
def deterministic_signing(
self,
) -> bool:
return self._deterministic_signing
generate_private_key = rust_openssl.ec.generate_private_key
def derive_private_key(
private_value: int,
curve: EllipticCurve,
backend: typing.Any = None,
) -> EllipticCurvePrivateKey:
if not isinstance(private_value, int):
raise TypeError("private_value must be an integer type.")
if private_value <= 0:
raise ValueError("private_value must be a positive integer.")
return rust_openssl.ec.derive_private_key(private_value, curve)
class ECDH:
pass
_OID_TO_CURVE = {
EllipticCurveOID.SECP192R1: SECP192R1,
EllipticCurveOID.SECP224R1: SECP224R1,
EllipticCurveOID.SECP256K1: SECP256K1,
EllipticCurveOID.SECP256R1: SECP256R1,
EllipticCurveOID.SECP384R1: SECP384R1,
EllipticCurveOID.SECP521R1: SECP521R1,
EllipticCurveOID.BRAINPOOLP256R1: BrainpoolP256R1,
EllipticCurveOID.BRAINPOOLP384R1: BrainpoolP384R1,
EllipticCurveOID.BRAINPOOLP512R1: BrainpoolP512R1,
EllipticCurveOID.SECT163K1: SECT163K1,
EllipticCurveOID.SECT163R2: SECT163R2,
EllipticCurveOID.SECT233K1: SECT233K1,
EllipticCurveOID.SECT233R1: SECT233R1,
EllipticCurveOID.SECT283K1: SECT283K1,
EllipticCurveOID.SECT283R1: SECT283R1,
EllipticCurveOID.SECT409K1: SECT409K1,
EllipticCurveOID.SECT409R1: SECT409R1,
EllipticCurveOID.SECT571K1: SECT571K1,
EllipticCurveOID.SECT571R1: SECT571R1,
}
def get_curve_for_oid(oid: ObjectIdentifier) -> type[EllipticCurve]:
try:
return _OID_TO_CURVE[oid]
except KeyError:
raise LookupError(
"The provided object identifier has no matching elliptic "
"curve class"
)
_SECT_CURVES: tuple[type[EllipticCurve], ...] = (
SECT163K1,
SECT163R2,
SECT233K1,
SECT233R1,
SECT283K1,
SECT283R1,
SECT409K1,
SECT409R1,
SECT571K1,
SECT571R1,
)
for _curve_cls in _SECT_CURVES:
utils.deprecated(
_curve_cls,
__name__,
f"{_curve_cls.__name__} will be removed in the next release.",
utils.DeprecatedIn46,
name=_curve_cls.__name__,
)

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