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Signed-off-by: xaoyaoo <37209452+xaoyaoo@users.noreply.github.com>
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.eggs/README.txt
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This directory contains eggs that were downloaded by setuptools to build, test, and run plug-ins.
This directory caches those eggs to prevent repeated downloads.
However, it is safe to delete this directory.

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.eggs/wheel-0.42.0-py3.12.egg/EGG-INFO/LICENSE.txt
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MIT License
Copyright (c) 2012 Daniel Holth <dholth@fastmail.fm> and contributors
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.

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.eggs/wheel-0.42.0-py3.12.egg/EGG-INFO/PKG-INFO
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Metadata-Version: 2.1
Name: wheel
Version: 0.42.0
Summary: A built-package format for Python
Keywords: wheel,packaging
Author-email: Daniel Holth <dholth@fastmail.fm>
Maintainer-email: Alex Grönholm <alex.gronholm@nextday.fi>
Requires-Python: >=3.7
Description-Content-Type: text/x-rst
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: Topic :: System :: Archiving :: Packaging
Classifier: License :: OSI Approved :: MIT License
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: 3.7
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
Requires-Dist: pytest >= 6.0.0 ; extra == "test"
Requires-Dist: setuptools >= 65 ; extra == "test"
Project-URL: Changelog, https://wheel.readthedocs.io/en/stable/news.html
Project-URL: Documentation, https://wheel.readthedocs.io/
Project-URL: Issue Tracker, https://github.com/pypa/wheel/issues
Project-URL: Source, https://github.com/pypa/wheel
Provides-Extra: test
wheel
=====
This library is the reference implementation of the Python wheel packaging
standard, as defined in `PEP 427`_.
It has two different roles:
#. A setuptools_ extension for building wheels that provides the
``bdist_wheel`` setuptools command
#. A command line tool for working with wheel files
It should be noted that wheel is **not** intended to be used as a library, and
as such there is no stable, public API.
.. _PEP 427: https://www.python.org/dev/peps/pep-0427/
.. _setuptools: https://pypi.org/project/setuptools/
Documentation
-------------
The documentation_ can be found on Read The Docs.
.. _documentation: https://wheel.readthedocs.io/
Code of Conduct
---------------
Everyone interacting in the wheel project's codebases, issue trackers, chat
rooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.
.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md

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.eggs/wheel-0.42.0-py3.12.egg/EGG-INFO/RECORD
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wheel/__init__.py,sha256=c5n4mea4NyUhMCk8GWbX4_O739E5ATPX23lTJRXf9ZI,59
wheel/__main__.py,sha256=NkMUnuTCGcOkgY0IBLgBCVC_BGGcWORx2K8jYGS12UE,455
wheel/_setuptools_logging.py,sha256=NoCnjJ4DFEZ45Eo-2BdXLsWJCwGkait1tp_17paleVw,746
wheel/bdist_wheel.py,sha256=Hrol9LUphvfapYo6Ro4RHhypq8iLew6jpp8NXd_CFw4,20943
wheel/macosx_libfile.py,sha256=mKH4GW3FILt0jLgm5LPgj7D5XyEvBU2Fgc-jCxMfSng,16143
wheel/metadata.py,sha256=jGDlp6IMblnujK4u1eni8VAdn2WYycSdQ-P6jaGBUMw,5882
wheel/util.py,sha256=e0jpnsbbM9QhaaMSyap-_ZgUxcxwpyLDk6RHcrduPLg,621
wheel/wheelfile.py,sha256=A5QzHd3cpDBqDEr8O6R6jqwLKiqkLlde6VjfgdQXo5Q,7701
wheel/cli/__init__.py,sha256=eBNhnPwWTtdKAJHy77lvz7gOQ5Eu3GavGugXxhSsn-U,4264
wheel/cli/convert.py,sha256=qJcpYGKqdfw1P6BelgN1Hn_suNgM6bvyEWFlZeuSWx0,9439
wheel/cli/pack.py,sha256=H6BZ8HyIYqP_2quRiczjHN08dykmdWTSLN0VMTYkzh8,3110
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wheel-0.42.0.dist-info/RECORD,,

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.eggs/wheel-0.42.0-py3.12.egg/EGG-INFO/WHEEL
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Wheel-Version: 1.0
Generator: flit 3.9.0
Root-Is-Purelib: true
Tag: py3-none-any

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.eggs/wheel-0.42.0-py3.12.egg/EGG-INFO/entry_points.txt
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[console_scripts]
wheel=wheel.cli:main
[distutils.commands]
bdist_wheel=wheel.bdist_wheel:bdist_wheel

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.eggs/wheel-0.42.0-py3.12.egg/EGG-INFO/requires.txt
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[test]
pytest>=6.0.0
setuptools>=65

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.eggs/wheel-0.42.0-py3.12.egg/wheel/__init__.py
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from __future__ import annotations
__version__ = "0.42.0"

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.eggs/wheel-0.42.0-py3.12.egg/wheel/__main__.py
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"""
Wheel command line tool (enable python -m wheel syntax)
"""
from __future__ import annotations
import sys
def main(): # needed for console script
if __package__ == "":
# To be able to run 'python wheel-0.9.whl/wheel':
import os.path
path = os.path.dirname(os.path.dirname(__file__))
sys.path[0:0] = [path]
import wheel.cli
sys.exit(wheel.cli.main())
if __name__ == "__main__":
sys.exit(main())

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.eggs/wheel-0.42.0-py3.12.egg/wheel/_setuptools_logging.py
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# copied from setuptools.logging, omitting monkeypatching
from __future__ import annotations
import logging
import sys
def _not_warning(record):
return record.levelno < logging.WARNING
def configure():
"""
Configure logging to emit warning and above to stderr
and everything else to stdout. This behavior is provided
for compatibility with distutils.log but may change in
the future.
"""
err_handler = logging.StreamHandler()
err_handler.setLevel(logging.WARNING)
out_handler = logging.StreamHandler(sys.stdout)
out_handler.addFilter(_not_warning)
handlers = err_handler, out_handler
logging.basicConfig(
format="{message}", style="{", handlers=handlers, level=logging.DEBUG
)

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.eggs/wheel-0.42.0-py3.12.egg/wheel/bdist_wheel.py
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"""
Create a wheel (.whl) distribution.
A wheel is a built archive format.
"""
from __future__ import annotations
import os
import re
import shutil
import stat
import struct
import sys
import sysconfig
import warnings
from email.generator import BytesGenerator, Generator
from email.policy import EmailPolicy
from glob import iglob
from shutil import rmtree
from zipfile import ZIP_DEFLATED, ZIP_STORED
import setuptools
from setuptools import Command
from . import __version__ as wheel_version
from .macosx_libfile import calculate_macosx_platform_tag
from .metadata import pkginfo_to_metadata
from .util import log
from .vendored.packaging import tags
from .vendored.packaging import version as _packaging_version
from .wheelfile import WheelFile
def safe_name(name):
"""Convert an arbitrary string to a standard distribution name
Any runs of non-alphanumeric/. characters are replaced with a single '-'.
"""
return re.sub("[^A-Za-z0-9.]+", "-", name)
def safe_version(version):
"""
Convert an arbitrary string to a standard version string
"""
try:
# normalize the version
return str(_packaging_version.Version(version))
except _packaging_version.InvalidVersion:
version = version.replace(" ", ".")
return re.sub("[^A-Za-z0-9.]+", "-", version)
setuptools_major_version = int(setuptools.__version__.split(".")[0])
PY_LIMITED_API_PATTERN = r"cp3\d"
def _is_32bit_interpreter():
return struct.calcsize("P") == 4
def python_tag():
return f"py{sys.version_info[0]}"
def get_platform(archive_root):
"""Return our platform name 'win32', 'linux_x86_64'"""
result = sysconfig.get_platform()
if result.startswith("macosx") and archive_root is not None:
result = calculate_macosx_platform_tag(archive_root, result)
elif _is_32bit_interpreter():
if result == "linux-x86_64":
# pip pull request #3497
result = "linux-i686"
elif result == "linux-aarch64":
# packaging pull request #234
# TODO armv8l, packaging pull request #690 => this did not land
# in pip/packaging yet
result = "linux-armv7l"
return result.replace("-", "_")
def get_flag(var, fallback, expected=True, warn=True):
"""Use a fallback value for determining SOABI flags if the needed config
var is unset or unavailable."""
val = sysconfig.get_config_var(var)
if val is None:
if warn:
warnings.warn(
f"Config variable '{var}' is unset, Python ABI tag may " "be incorrect",
RuntimeWarning,
stacklevel=2,
)
return fallback
return val == expected
def get_abi_tag():
"""Return the ABI tag based on SOABI (if available) or emulate SOABI (PyPy2)."""
soabi = sysconfig.get_config_var("SOABI")
impl = tags.interpreter_name()
if not soabi and impl in ("cp", "pp") and hasattr(sys, "maxunicode"):
d = ""
m = ""
u = ""
if get_flag("Py_DEBUG", hasattr(sys, "gettotalrefcount"), warn=(impl == "cp")):
d = "d"
if get_flag(
"WITH_PYMALLOC",
impl == "cp",
warn=(impl == "cp" and sys.version_info < (3, 8)),
) and sys.version_info < (3, 8):
m = "m"
abi = f"{impl}{tags.interpreter_version()}{d}{m}{u}"
elif soabi and impl == "cp" and soabi.startswith("cpython"):
# non-Windows
abi = "cp" + soabi.split("-")[1]
elif soabi and impl == "cp" and soabi.startswith("cp"):
# Windows
abi = soabi.split("-")[0]
elif soabi and impl == "pp":
# we want something like pypy36-pp73
abi = "-".join(soabi.split("-")[:2])
abi = abi.replace(".", "_").replace("-", "_")
elif soabi and impl == "graalpy":
abi = "-".join(soabi.split("-")[:3])
abi = abi.replace(".", "_").replace("-", "_")
elif soabi:
abi = soabi.replace(".", "_").replace("-", "_")
else:
abi = None
return abi
def safer_name(name):
return safe_name(name).replace("-", "_")
def safer_version(version):
return safe_version(version).replace("-", "_")
def remove_readonly(func, path, excinfo):
remove_readonly_exc(func, path, excinfo[1])
def remove_readonly_exc(func, path, exc):
os.chmod(path, stat.S_IWRITE)
func(path)
class bdist_wheel(Command):
description = "create a wheel distribution"
supported_compressions = {
"stored": ZIP_STORED,
"deflated": ZIP_DEFLATED,
}
user_options = [
("bdist-dir=", "b", "temporary directory for creating the distribution"),
(
"plat-name=",
"p",
"platform name to embed in generated filenames "
"(default: %s)" % get_platform(None),
),
(
"keep-temp",
"k",
"keep the pseudo-installation tree around after "
"creating the distribution archive",
),
("dist-dir=", "d", "directory to put final built distributions in"),
("skip-build", None, "skip rebuilding everything (for testing/debugging)"),
(
"relative",
None,
"build the archive using relative paths " "(default: false)",
),
(
"owner=",
"u",
"Owner name used when creating a tar file" " [default: current user]",
),
(
"group=",
"g",
"Group name used when creating a tar file" " [default: current group]",
),
("universal", None, "make a universal wheel" " (default: false)"),
(
"compression=",
None,
"zipfile compression (one of: {})" " (default: 'deflated')".format(
", ".join(supported_compressions)
),
),
(
"python-tag=",
None,
"Python implementation compatibility tag"
" (default: '%s')" % (python_tag()),
),
(
"build-number=",
None,
"Build number for this particular version. "
"As specified in PEP-0427, this must start with a digit. "
"[default: None]",
),
(
"py-limited-api=",
None,
"Python tag (cp32|cp33|cpNN) for abi3 wheel tag" " (default: false)",
),
]
boolean_options = ["keep-temp", "skip-build", "relative", "universal"]
def initialize_options(self):
self.bdist_dir = None
self.data_dir = None
self.plat_name = None
self.plat_tag = None
self.format = "zip"
self.keep_temp = False
self.dist_dir = None
self.egginfo_dir = None
self.root_is_pure = None
self.skip_build = None
self.relative = False
self.owner = None
self.group = None
self.universal = False
self.compression = "deflated"
self.python_tag = python_tag()
self.build_number = None
self.py_limited_api = False
self.plat_name_supplied = False
def finalize_options(self):
if self.bdist_dir is None:
bdist_base = self.get_finalized_command("bdist").bdist_base
self.bdist_dir = os.path.join(bdist_base, "wheel")
egg_info = self.distribution.get_command_obj("egg_info")
egg_info.ensure_finalized() # needed for correct `wheel_dist_name`
self.data_dir = self.wheel_dist_name + ".data"
self.plat_name_supplied = self.plat_name is not None
try:
self.compression = self.supported_compressions[self.compression]
except KeyError:
raise ValueError(f"Unsupported compression: {self.compression}") from None
need_options = ("dist_dir", "plat_name", "skip_build")
self.set_undefined_options("bdist", *zip(need_options, need_options))
self.root_is_pure = not (
self.distribution.has_ext_modules() or self.distribution.has_c_libraries()
)
if self.py_limited_api and not re.match(
PY_LIMITED_API_PATTERN, self.py_limited_api
):
raise ValueError("py-limited-api must match '%s'" % PY_LIMITED_API_PATTERN)
# Support legacy [wheel] section for setting universal
wheel = self.distribution.get_option_dict("wheel")
if "universal" in wheel:
# please don't define this in your global configs
log.warning(
"The [wheel] section is deprecated. Use [bdist_wheel] instead.",
)
val = wheel["universal"][1].strip()
if val.lower() in ("1", "true", "yes"):
self.universal = True
if self.build_number is not None and not self.build_number[:1].isdigit():
raise ValueError("Build tag (build-number) must start with a digit.")
@property
def wheel_dist_name(self):
"""Return distribution full name with - replaced with _"""
components = (
safer_name(self.distribution.get_name()),
safer_version(self.distribution.get_version()),
)
if self.build_number:
components += (self.build_number,)
return "-".join(components)
def get_tag(self):
# bdist sets self.plat_name if unset, we should only use it for purepy
# wheels if the user supplied it.
if self.plat_name_supplied:
plat_name = self.plat_name
elif self.root_is_pure:
plat_name = "any"
else:
# macosx contains system version in platform name so need special handle
if self.plat_name and not self.plat_name.startswith("macosx"):
plat_name = self.plat_name
else:
# on macosx always limit the platform name to comply with any
# c-extension modules in bdist_dir, since the user can specify
# a higher MACOSX_DEPLOYMENT_TARGET via tools like CMake
# on other platforms, and on macosx if there are no c-extension
# modules, use the default platform name.
plat_name = get_platform(self.bdist_dir)
if _is_32bit_interpreter():
if plat_name in ("linux-x86_64", "linux_x86_64"):
plat_name = "linux_i686"
if plat_name in ("linux-aarch64", "linux_aarch64"):
# TODO armv8l, packaging pull request #690 => this did not land
# in pip/packaging yet
plat_name = "linux_armv7l"
plat_name = (
plat_name.lower().replace("-", "_").replace(".", "_").replace(" ", "_")
)
if self.root_is_pure:
if self.universal:
impl = "py2.py3"
else:
impl = self.python_tag
tag = (impl, "none", plat_name)
else:
impl_name = tags.interpreter_name()
impl_ver = tags.interpreter_version()
impl = impl_name + impl_ver
# We don't work on CPython 3.1, 3.0.
if self.py_limited_api and (impl_name + impl_ver).startswith("cp3"):
impl = self.py_limited_api
abi_tag = "abi3"
else:
abi_tag = str(get_abi_tag()).lower()
tag = (impl, abi_tag, plat_name)
# issue gh-374: allow overriding plat_name
supported_tags = [
(t.interpreter, t.abi, plat_name) for t in tags.sys_tags()
]
assert (
tag in supported_tags
), f"would build wheel with unsupported tag {tag}"
return tag
def run(self):
build_scripts = self.reinitialize_command("build_scripts")
build_scripts.executable = "python"
build_scripts.force = True
build_ext = self.reinitialize_command("build_ext")
build_ext.inplace = False
if not self.skip_build:
self.run_command("build")
install = self.reinitialize_command("install", reinit_subcommands=True)
install.root = self.bdist_dir
install.compile = False
install.skip_build = self.skip_build
install.warn_dir = False
# A wheel without setuptools scripts is more cross-platform.
# Use the (undocumented) `no_ep` option to setuptools'
# install_scripts command to avoid creating entry point scripts.
install_scripts = self.reinitialize_command("install_scripts")
install_scripts.no_ep = True
# Use a custom scheme for the archive, because we have to decide
# at installation time which scheme to use.
for key in ("headers", "scripts", "data", "purelib", "platlib"):
setattr(install, "install_" + key, os.path.join(self.data_dir, key))
basedir_observed = ""
if os.name == "nt":
# win32 barfs if any of these are ''; could be '.'?
# (distutils.command.install:change_roots bug)
basedir_observed = os.path.normpath(os.path.join(self.data_dir, ".."))
self.install_libbase = self.install_lib = basedir_observed
setattr(
install,
"install_purelib" if self.root_is_pure else "install_platlib",
basedir_observed,
)
log.info(f"installing to {self.bdist_dir}")
self.run_command("install")
impl_tag, abi_tag, plat_tag = self.get_tag()
archive_basename = f"{self.wheel_dist_name}-{impl_tag}-{abi_tag}-{plat_tag}"
if not self.relative:
archive_root = self.bdist_dir
else:
archive_root = os.path.join(
self.bdist_dir, self._ensure_relative(install.install_base)
)
self.set_undefined_options("install_egg_info", ("target", "egginfo_dir"))
distinfo_dirname = "{}-{}.dist-info".format(
safer_name(self.distribution.get_name()),
safer_version(self.distribution.get_version()),
)
distinfo_dir = os.path.join(self.bdist_dir, distinfo_dirname)
self.egg2dist(self.egginfo_dir, distinfo_dir)
self.write_wheelfile(distinfo_dir)
# Make the archive
if not os.path.exists(self.dist_dir):
os.makedirs(self.dist_dir)
wheel_path = os.path.join(self.dist_dir, archive_basename + ".whl")
with WheelFile(wheel_path, "w", self.compression) as wf:
wf.write_files(archive_root)
# Add to 'Distribution.dist_files' so that the "upload" command works
getattr(self.distribution, "dist_files", []).append(
(
"bdist_wheel",
"{}.{}".format(*sys.version_info[:2]), # like 3.7
wheel_path,
)
)
if not self.keep_temp:
log.info(f"removing {self.bdist_dir}")
if not self.dry_run:
if sys.version_info < (3, 12):
rmtree(self.bdist_dir, onerror=remove_readonly)
else:
rmtree(self.bdist_dir, onexc=remove_readonly_exc)
def write_wheelfile(
self, wheelfile_base, generator="bdist_wheel (" + wheel_version + ")"
):
from email.message import Message
msg = Message()
msg["Wheel-Version"] = "1.0" # of the spec
msg["Generator"] = generator
msg["Root-Is-Purelib"] = str(self.root_is_pure).lower()
if self.build_number is not None:
msg["Build"] = self.build_number
# Doesn't work for bdist_wininst
impl_tag, abi_tag, plat_tag = self.get_tag()
for impl in impl_tag.split("."):
for abi in abi_tag.split("."):
for plat in plat_tag.split("."):
msg["Tag"] = "-".join((impl, abi, plat))
wheelfile_path = os.path.join(wheelfile_base, "WHEEL")
log.info(f"creating {wheelfile_path}")
with open(wheelfile_path, "wb") as f:
BytesGenerator(f, maxheaderlen=0).flatten(msg)
def _ensure_relative(self, path):
# copied from dir_util, deleted
drive, path = os.path.splitdrive(path)
if path[0:1] == os.sep:
path = drive + path[1:]
return path
@property
def license_paths(self):
if setuptools_major_version >= 57:
# Setuptools has resolved any patterns to actual file names
return self.distribution.metadata.license_files or ()
files = set()
metadata = self.distribution.get_option_dict("metadata")
if setuptools_major_version >= 42:
# Setuptools recognizes the license_files option but does not do globbing
patterns = self.distribution.metadata.license_files
else:
# Prior to those, wheel is entirely responsible for handling license files
if "license_files" in metadata:
patterns = metadata["license_files"][1].split()
else:
patterns = ()
if "license_file" in metadata:
warnings.warn(
'The "license_file" option is deprecated. Use "license_files" instead.',
DeprecationWarning,
stacklevel=2,
)
files.add(metadata["license_file"][1])
if not files and not patterns and not isinstance(patterns, list):
patterns = ("LICEN[CS]E*", "COPYING*", "NOTICE*", "AUTHORS*")
for pattern in patterns:
for path in iglob(pattern):
if path.endswith("~"):
log.debug(
f'ignoring license file "{path}" as it looks like a backup'
)
continue
if path not in files and os.path.isfile(path):
log.info(
f'adding license file "{path}" (matched pattern "{pattern}")'
)
files.add(path)
return files
def egg2dist(self, egginfo_path, distinfo_path):
"""Convert an .egg-info directory into a .dist-info directory"""
def adios(p):
"""Appropriately delete directory, file or link."""
if os.path.exists(p) and not os.path.islink(p) and os.path.isdir(p):
shutil.rmtree(p)
elif os.path.exists(p):
os.unlink(p)
adios(distinfo_path)
if not os.path.exists(egginfo_path):
# There is no egg-info. This is probably because the egg-info
# file/directory is not named matching the distribution name used
# to name the archive file. Check for this case and report
# accordingly.
import glob
pat = os.path.join(os.path.dirname(egginfo_path), "*.egg-info")
possible = glob.glob(pat)
err = f"Egg metadata expected at {egginfo_path} but not found"
if possible:
alt = os.path.basename(possible[0])
err += f" ({alt} found - possible misnamed archive file?)"
raise ValueError(err)
if os.path.isfile(egginfo_path):
# .egg-info is a single file
pkginfo_path = egginfo_path
pkg_info = pkginfo_to_metadata(egginfo_path, egginfo_path)
os.mkdir(distinfo_path)
else:
# .egg-info is a directory
pkginfo_path = os.path.join(egginfo_path, "PKG-INFO")
pkg_info = pkginfo_to_metadata(egginfo_path, pkginfo_path)
# ignore common egg metadata that is useless to wheel
shutil.copytree(
egginfo_path,
distinfo_path,
ignore=lambda x, y: {
"PKG-INFO",
"requires.txt",
"SOURCES.txt",
"not-zip-safe",
},
)
# delete dependency_links if it is only whitespace
dependency_links_path = os.path.join(distinfo_path, "dependency_links.txt")
with open(dependency_links_path, encoding="utf-8") as dependency_links_file:
dependency_links = dependency_links_file.read().strip()
if not dependency_links:
adios(dependency_links_path)
pkg_info_path = os.path.join(distinfo_path, "METADATA")
serialization_policy = EmailPolicy(
utf8=True,
mangle_from_=False,
max_line_length=0,
)
with open(pkg_info_path, "w", encoding="utf-8") as out:
Generator(out, policy=serialization_policy).flatten(pkg_info)
for license_path in self.license_paths:
filename = os.path.basename(license_path)
shutil.copy(license_path, os.path.join(distinfo_path, filename))
adios(egginfo_path)

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"""
Wheel command-line utility.
"""
from __future__ import annotations
import argparse
import os
import sys
from argparse import ArgumentTypeError
class WheelError(Exception):
pass
def unpack_f(args):
from .unpack import unpack
unpack(args.wheelfile, args.dest)
def pack_f(args):
from .pack import pack
pack(args.directory, args.dest_dir, args.build_number)
def convert_f(args):
from .convert import convert
convert(args.files, args.dest_dir, args.verbose)
def tags_f(args):
from .tags import tags
names = (
tags(
wheel,
args.python_tag,
args.abi_tag,
args.platform_tag,
args.build,
args.remove,
)
for wheel in args.wheel
)
for name in names:
print(name)
def version_f(args):
from .. import __version__
print("wheel %s" % __version__)
def parse_build_tag(build_tag: str) -> str:
if build_tag and not build_tag[0].isdigit():
raise ArgumentTypeError("build tag must begin with a digit")
elif "-" in build_tag:
raise ArgumentTypeError("invalid character ('-') in build tag")
return build_tag
TAGS_HELP = """\
Make a new wheel with given tags. Any tags unspecified will remain the same.
Starting the tags with a "+" will append to the existing tags. Starting with a
"-" will remove a tag (use --option=-TAG syntax). Multiple tags can be
separated by ".". The original file will remain unless --remove is given. The
output filename(s) will be displayed on stdout for further processing.
"""
def parser():
p = argparse.ArgumentParser()
s = p.add_subparsers(help="commands")
unpack_parser = s.add_parser("unpack", help="Unpack wheel")
unpack_parser.add_argument(
"--dest", "-d", help="Destination directory", default="."
)
unpack_parser.add_argument("wheelfile", help="Wheel file")
unpack_parser.set_defaults(func=unpack_f)
repack_parser = s.add_parser("pack", help="Repack wheel")
repack_parser.add_argument("directory", help="Root directory of the unpacked wheel")
repack_parser.add_argument(
"--dest-dir",
"-d",
default=os.path.curdir,
help="Directory to store the wheel (default %(default)s)",
)
repack_parser.add_argument(
"--build-number", help="Build tag to use in the wheel name"
)
repack_parser.set_defaults(func=pack_f)
convert_parser = s.add_parser("convert", help="Convert egg or wininst to wheel")
convert_parser.add_argument("files", nargs="*", help="Files to convert")
convert_parser.add_argument(
"--dest-dir",
"-d",
default=os.path.curdir,
help="Directory to store wheels (default %(default)s)",
)
convert_parser.add_argument("--verbose", "-v", action="store_true")
convert_parser.set_defaults(func=convert_f)
tags_parser = s.add_parser(
"tags", help="Add or replace the tags on a wheel", description=TAGS_HELP
)
tags_parser.add_argument("wheel", nargs="*", help="Existing wheel(s) to retag")
tags_parser.add_argument(
"--remove",
action="store_true",
help="Remove the original files, keeping only the renamed ones",
)
tags_parser.add_argument(
"--python-tag", metavar="TAG", help="Specify an interpreter tag(s)"
)
tags_parser.add_argument("--abi-tag", metavar="TAG", help="Specify an ABI tag(s)")
tags_parser.add_argument(
"--platform-tag", metavar="TAG", help="Specify a platform tag(s)"
)
tags_parser.add_argument(
"--build", type=parse_build_tag, metavar="BUILD", help="Specify a build tag"
)
tags_parser.set_defaults(func=tags_f)
version_parser = s.add_parser("version", help="Print version and exit")
version_parser.set_defaults(func=version_f)
help_parser = s.add_parser("help", help="Show this help")
help_parser.set_defaults(func=lambda args: p.print_help())
return p
def main():
p = parser()
args = p.parse_args()
if not hasattr(args, "func"):
p.print_help()
else:
try:
args.func(args)
return 0
except WheelError as e:
print(e, file=sys.stderr)
return 1

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from __future__ import annotations
import os.path
import re
import shutil
import tempfile
import zipfile
from glob import iglob
from ..bdist_wheel import bdist_wheel
from ..wheelfile import WheelFile
from . import WheelError
try:
from setuptools import Distribution
except ImportError:
from distutils.dist import Distribution
egg_info_re = re.compile(
r"""
(?P<name>.+?)-(?P<ver>.+?)
(-(?P<pyver>py\d\.\d+)
(-(?P<arch>.+?))?
)?.egg$""",
re.VERBOSE,
)
class _bdist_wheel_tag(bdist_wheel):
# allow the client to override the default generated wheel tag
# The default bdist_wheel implementation uses python and abi tags
# of the running python process. This is not suitable for
# generating/repackaging prebuild binaries.
full_tag_supplied = False
full_tag = None # None or a (pytag, soabitag, plattag) triple
def get_tag(self):
if self.full_tag_supplied and self.full_tag is not None:
return self.full_tag
else:
return bdist_wheel.get_tag(self)
def egg2wheel(egg_path: str, dest_dir: str) -> None:
filename = os.path.basename(egg_path)
match = egg_info_re.match(filename)
if not match:
raise WheelError(f"Invalid egg file name: {filename}")
egg_info = match.groupdict()
dir = tempfile.mkdtemp(suffix="_e2w")
if os.path.isfile(egg_path):
# assume we have a bdist_egg otherwise
with zipfile.ZipFile(egg_path) as egg:
egg.extractall(dir)
else:
# support buildout-style installed eggs directories
for pth in os.listdir(egg_path):
src = os.path.join(egg_path, pth)
if os.path.isfile(src):
shutil.copy2(src, dir)
else:
shutil.copytree(src, os.path.join(dir, pth))
pyver = egg_info["pyver"]
if pyver:
pyver = egg_info["pyver"] = pyver.replace(".", "")
arch = (egg_info["arch"] or "any").replace(".", "_").replace("-", "_")
# assume all binary eggs are for CPython
abi = "cp" + pyver[2:] if arch != "any" else "none"
root_is_purelib = egg_info["arch"] is None
if root_is_purelib:
bw = bdist_wheel(Distribution())
else:
bw = _bdist_wheel_tag(Distribution())
bw.root_is_pure = root_is_purelib
bw.python_tag = pyver
bw.plat_name_supplied = True
bw.plat_name = egg_info["arch"] or "any"
if not root_is_purelib:
bw.full_tag_supplied = True
bw.full_tag = (pyver, abi, arch)
dist_info_dir = os.path.join(dir, "{name}-{ver}.dist-info".format(**egg_info))
bw.egg2dist(os.path.join(dir, "EGG-INFO"), dist_info_dir)
bw.write_wheelfile(dist_info_dir, generator="egg2wheel")
wheel_name = "{name}-{ver}-{pyver}-{}-{}.whl".format(abi, arch, **egg_info)
with WheelFile(os.path.join(dest_dir, wheel_name), "w") as wf:
wf.write_files(dir)
shutil.rmtree(dir)
def parse_wininst_info(wininfo_name, egginfo_name):
"""Extract metadata from filenames.
Extracts the 4 metadataitems needed (name, version, pyversion, arch) from
the installer filename and the name of the egg-info directory embedded in
the zipfile (if any).
The egginfo filename has the format::
name-ver(-pyver)(-arch).egg-info
The installer filename has the format::
name-ver.arch(-pyver).exe
Some things to note:
1. The installer filename is not definitive. An installer can be renamed
and work perfectly well as an installer. So more reliable data should
be used whenever possible.
2. The egg-info data should be preferred for the name and version, because
these come straight from the distutils metadata, and are mandatory.
3. The pyver from the egg-info data should be ignored, as it is
constructed from the version of Python used to build the installer,
which is irrelevant - the installer filename is correct here (even to
the point that when it's not there, any version is implied).
4. The architecture must be taken from the installer filename, as it is
not included in the egg-info data.
5. Architecture-neutral installers still have an architecture because the
installer format itself (being executable) is architecture-specific. We
should therefore ignore the architecture if the content is pure-python.
"""
egginfo = None
if egginfo_name:
egginfo = egg_info_re.search(egginfo_name)
if not egginfo:
raise ValueError(f"Egg info filename {egginfo_name} is not valid")
# Parse the wininst filename
# 1. Distribution name (up to the first '-')
w_name, sep, rest = wininfo_name.partition("-")
if not sep:
raise ValueError(f"Installer filename {wininfo_name} is not valid")
# Strip '.exe'
rest = rest[:-4]
# 2. Python version (from the last '-', must start with 'py')
rest2, sep, w_pyver = rest.rpartition("-")
if sep and w_pyver.startswith("py"):
rest = rest2
w_pyver = w_pyver.replace(".", "")
else:
# Not version specific - use py2.py3. While it is possible that
# pure-Python code is not compatible with both Python 2 and 3, there
# is no way of knowing from the wininst format, so we assume the best
# here (the user can always manually rename the wheel to be more
# restrictive if needed).
w_pyver = "py2.py3"
# 3. Version and architecture
w_ver, sep, w_arch = rest.rpartition(".")
if not sep:
raise ValueError(f"Installer filename {wininfo_name} is not valid")
if egginfo:
w_name = egginfo.group("name")
w_ver = egginfo.group("ver")
return {"name": w_name, "ver": w_ver, "arch": w_arch, "pyver": w_pyver}
def wininst2wheel(path, dest_dir):
with zipfile.ZipFile(path) as bdw:
# Search for egg-info in the archive
egginfo_name = None
for filename in bdw.namelist():
if ".egg-info" in filename:
egginfo_name = filename
break
info = parse_wininst_info(os.path.basename(path), egginfo_name)
root_is_purelib = True
for zipinfo in bdw.infolist():
if zipinfo.filename.startswith("PLATLIB"):
root_is_purelib = False
break
if root_is_purelib:
paths = {"purelib": ""}
else:
paths = {"platlib": ""}
dist_info = "{name}-{ver}".format(**info)
datadir = "%s.data/" % dist_info
# rewrite paths to trick ZipFile into extracting an egg
# XXX grab wininst .ini - between .exe, padding, and first zip file.
members = []
egginfo_name = ""
for zipinfo in bdw.infolist():
key, basename = zipinfo.filename.split("/", 1)
key = key.lower()
basepath = paths.get(key, None)
if basepath is None:
basepath = datadir + key.lower() + "/"
oldname = zipinfo.filename
newname = basepath + basename
zipinfo.filename = newname
del bdw.NameToInfo[oldname]
bdw.NameToInfo[newname] = zipinfo
# Collect member names, but omit '' (from an entry like "PLATLIB/"
if newname:
members.append(newname)
# Remember egg-info name for the egg2dist call below
if not egginfo_name:
if newname.endswith(".egg-info"):
egginfo_name = newname
elif ".egg-info/" in newname:
egginfo_name, sep, _ = newname.rpartition("/")
dir = tempfile.mkdtemp(suffix="_b2w")
bdw.extractall(dir, members)
# egg2wheel
abi = "none"
pyver = info["pyver"]
arch = (info["arch"] or "any").replace(".", "_").replace("-", "_")
# Wininst installers always have arch even if they are not
# architecture-specific (because the format itself is).
# So, assume the content is architecture-neutral if root is purelib.
if root_is_purelib:
arch = "any"
# If the installer is architecture-specific, it's almost certainly also
# CPython-specific.
if arch != "any":
pyver = pyver.replace("py", "cp")
wheel_name = "-".join((dist_info, pyver, abi, arch))
if root_is_purelib:
bw = bdist_wheel(Distribution())
else:
bw = _bdist_wheel_tag(Distribution())
bw.root_is_pure = root_is_purelib
bw.python_tag = pyver
bw.plat_name_supplied = True
bw.plat_name = info["arch"] or "any"
if not root_is_purelib:
bw.full_tag_supplied = True
bw.full_tag = (pyver, abi, arch)
dist_info_dir = os.path.join(dir, "%s.dist-info" % dist_info)
bw.egg2dist(os.path.join(dir, egginfo_name), dist_info_dir)
bw.write_wheelfile(dist_info_dir, generator="wininst2wheel")
wheel_path = os.path.join(dest_dir, wheel_name)
with WheelFile(wheel_path, "w") as wf:
wf.write_files(dir)
shutil.rmtree(dir)
def convert(files, dest_dir, verbose):
for pat in files:
for installer in iglob(pat):
if os.path.splitext(installer)[1] == ".egg":
conv = egg2wheel
else:
conv = wininst2wheel
if verbose:
print(f"{installer}... ", flush=True)
conv(installer, dest_dir)
if verbose:
print("OK")

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from __future__ import annotations
import email.policy
import os.path
import re
from email.generator import BytesGenerator
from email.parser import BytesParser
from wheel.cli import WheelError
from wheel.wheelfile import WheelFile
DIST_INFO_RE = re.compile(r"^(?P<namever>(?P<name>.+?)-(?P<ver>\d.*?))\.dist-info$")
def pack(directory: str, dest_dir: str, build_number: str | None) -> None:
"""Repack a previously unpacked wheel directory into a new wheel file.
The .dist-info/WHEEL file must contain one or more tags so that the target
wheel file name can be determined.
:param directory: The unpacked wheel directory
:param dest_dir: Destination directory (defaults to the current directory)
"""
# Find the .dist-info directory
dist_info_dirs = [
fn
for fn in os.listdir(directory)
if os.path.isdir(os.path.join(directory, fn)) and DIST_INFO_RE.match(fn)
]
if len(dist_info_dirs) > 1:
raise WheelError(f"Multiple .dist-info directories found in {directory}")
elif not dist_info_dirs:
raise WheelError(f"No .dist-info directories found in {directory}")
# Determine the target wheel filename
dist_info_dir = dist_info_dirs[0]
name_version = DIST_INFO_RE.match(dist_info_dir).group("namever")
# Read the tags and the existing build number from .dist-info/WHEEL
wheel_file_path = os.path.join(directory, dist_info_dir, "WHEEL")
with open(wheel_file_path, "rb") as f:
info = BytesParser(policy=email.policy.compat32).parse(f)
tags: list[str] = info.get_all("Tag", [])
existing_build_number = info.get("Build")
if not tags:
raise WheelError(
"No tags present in {}/WHEEL; cannot determine target wheel "
"filename".format(dist_info_dir)
)
# Set the wheel file name and add/replace/remove the Build tag in .dist-info/WHEEL
build_number = build_number if build_number is not None else existing_build_number
if build_number is not None:
del info["Build"]
if build_number:
info["Build"] = build_number
name_version += "-" + build_number
if build_number != existing_build_number:
with open(wheel_file_path, "wb") as f:
BytesGenerator(f, maxheaderlen=0).flatten(info)
# Reassemble the tags for the wheel file
tagline = compute_tagline(tags)
# Repack the wheel
wheel_path = os.path.join(dest_dir, f"{name_version}-{tagline}.whl")
with WheelFile(wheel_path, "w") as wf:
print(f"Repacking wheel as {wheel_path}...", end="", flush=True)
wf.write_files(directory)
print("OK")
def compute_tagline(tags: list[str]) -> str:
"""Compute a tagline from a list of tags.
:param tags: A list of tags
:return: A tagline
"""
impls = sorted({tag.split("-")[0] for tag in tags})
abivers = sorted({tag.split("-")[1] for tag in tags})
platforms = sorted({tag.split("-")[2] for tag in tags})
return "-".join([".".join(impls), ".".join(abivers), ".".join(platforms)])

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from __future__ import annotations
import email.policy
import itertools
import os
from collections.abc import Iterable
from email.parser import BytesParser
from ..wheelfile import WheelFile
def _compute_tags(original_tags: Iterable[str], new_tags: str | None) -> set[str]:
"""Add or replace tags. Supports dot-separated tags"""
if new_tags is None:
return set(original_tags)
if new_tags.startswith("+"):
return {*original_tags, *new_tags[1:].split(".")}
if new_tags.startswith("-"):
return set(original_tags) - set(new_tags[1:].split("."))
return set(new_tags.split("."))
def tags(
wheel: str,
python_tags: str | None = None,
abi_tags: str | None = None,
platform_tags: str | None = None,
build_tag: str | None = None,
remove: bool = False,
) -> str:
"""Change the tags on a wheel file.
The tags are left unchanged if they are not specified. To specify "none",
use ["none"]. To append to the previous tags, a tag should start with a
"+". If a tag starts with "-", it will be removed from existing tags.
Processing is done left to right.
:param wheel: The paths to the wheels
:param python_tags: The Python tags to set
:param abi_tags: The ABI tags to set
:param platform_tags: The platform tags to set
:param build_tag: The build tag to set
:param remove: Remove the original wheel
"""
with WheelFile(wheel, "r") as f:
assert f.filename, f"{f.filename} must be available"
wheel_info = f.read(f.dist_info_path + "/WHEEL")
info = BytesParser(policy=email.policy.compat32).parsebytes(wheel_info)
original_wheel_name = os.path.basename(f.filename)
namever = f.parsed_filename.group("namever")
build = f.parsed_filename.group("build")
original_python_tags = f.parsed_filename.group("pyver").split(".")
original_abi_tags = f.parsed_filename.group("abi").split(".")
original_plat_tags = f.parsed_filename.group("plat").split(".")
tags: list[str] = info.get_all("Tag", [])
existing_build_tag = info.get("Build")
impls = {tag.split("-")[0] for tag in tags}
abivers = {tag.split("-")[1] for tag in tags}
platforms = {tag.split("-")[2] for tag in tags}
if impls != set(original_python_tags):
msg = f"Wheel internal tags {impls!r} != filename tags {original_python_tags!r}"
raise AssertionError(msg)
if abivers != set(original_abi_tags):
msg = f"Wheel internal tags {abivers!r} != filename tags {original_abi_tags!r}"
raise AssertionError(msg)
if platforms != set(original_plat_tags):
msg = (
f"Wheel internal tags {platforms!r} != filename tags {original_plat_tags!r}"
)
raise AssertionError(msg)
if existing_build_tag != build:
msg = (
f"Incorrect filename '{build}' "
f"& *.dist-info/WHEEL '{existing_build_tag}' build numbers"
)
raise AssertionError(msg)
# Start changing as needed
if build_tag is not None:
build = build_tag
final_python_tags = sorted(_compute_tags(original_python_tags, python_tags))
final_abi_tags = sorted(_compute_tags(original_abi_tags, abi_tags))
final_plat_tags = sorted(_compute_tags(original_plat_tags, platform_tags))
final_tags = [
namever,
".".join(final_python_tags),
".".join(final_abi_tags),
".".join(final_plat_tags),
]
if build:
final_tags.insert(1, build)
final_wheel_name = "-".join(final_tags) + ".whl"
if original_wheel_name != final_wheel_name:
del info["Tag"], info["Build"]
for a, b, c in itertools.product(
final_python_tags, final_abi_tags, final_plat_tags
):
info["Tag"] = f"{a}-{b}-{c}"
if build:
info["Build"] = build
original_wheel_path = os.path.join(
os.path.dirname(f.filename), original_wheel_name
)
final_wheel_path = os.path.join(os.path.dirname(f.filename), final_wheel_name)
with WheelFile(original_wheel_path, "r") as fin, WheelFile(
final_wheel_path, "w"
) as fout:
fout.comment = fin.comment # preserve the comment
for item in fin.infolist():
if item.is_dir():
continue
if item.filename == f.dist_info_path + "/RECORD":
continue
if item.filename == f.dist_info_path + "/WHEEL":
fout.writestr(item, info.as_bytes())
else:
fout.writestr(item, fin.read(item))
if remove:
os.remove(original_wheel_path)
return final_wheel_name

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from __future__ import annotations
from pathlib import Path
from ..wheelfile import WheelFile
def unpack(path: str, dest: str = ".") -> None:
"""Unpack a wheel.
Wheel content will be unpacked to {dest}/{name}-{ver}, where {name}
is the package name and {ver} its version.
:param path: The path to the wheel.
:param dest: Destination directory (default to current directory).
"""
with WheelFile(path) as wf:
namever = wf.parsed_filename.group("namever")
destination = Path(dest) / namever
print(f"Unpacking to: {destination}...", end="", flush=True)
for zinfo in wf.filelist:
wf.extract(zinfo, destination)
# Set permissions to the same values as they were set in the archive
# We have to do this manually due to
# https://github.com/python/cpython/issues/59999
permissions = zinfo.external_attr >> 16 & 0o777
destination.joinpath(zinfo.filename).chmod(permissions)
print("OK")

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"""
This module contains function to analyse dynamic library
headers to extract system information
Currently only for MacOSX
Library file on macosx system starts with Mach-O or Fat field.
This can be distinguish by first 32 bites and it is called magic number.
Proper value of magic number is with suffix _MAGIC. Suffix _CIGAM means
reversed bytes order.
Both fields can occur in two types: 32 and 64 bytes.
FAT field inform that this library contains few version of library
(typically for different types version). It contains
information where Mach-O headers starts.
Each section started with Mach-O header contains one library
(So if file starts with this field it contains only one version).
After filed Mach-O there are section fields.
Each of them starts with two fields:
cmd - magic number for this command
cmdsize - total size occupied by this section information.
In this case only sections LC_VERSION_MIN_MACOSX (for macosx 10.13 and earlier)
and LC_BUILD_VERSION (for macosx 10.14 and newer) are interesting,
because them contains information about minimal system version.
Important remarks:
- For fat files this implementation looks for maximum number version.
It not check if it is 32 or 64 and do not compare it with currently built package.
So it is possible to false report higher version that needed.
- All structures signatures are taken form macosx header files.
- I think that binary format will be more stable than `otool` output.
and if apple introduce some changes both implementation will need to be updated.
- The system compile will set the deployment target no lower than
11.0 for arm64 builds. For "Universal 2" builds use the x86_64 deployment
target when the arm64 target is 11.0.
"""
from __future__ import annotations
import ctypes
import os
import sys
"""here the needed const and struct from mach-o header files"""
FAT_MAGIC = 0xCAFEBABE
FAT_CIGAM = 0xBEBAFECA
FAT_MAGIC_64 = 0xCAFEBABF
FAT_CIGAM_64 = 0xBFBAFECA
MH_MAGIC = 0xFEEDFACE
MH_CIGAM = 0xCEFAEDFE
MH_MAGIC_64 = 0xFEEDFACF
MH_CIGAM_64 = 0xCFFAEDFE
LC_VERSION_MIN_MACOSX = 0x24
LC_BUILD_VERSION = 0x32
CPU_TYPE_ARM64 = 0x0100000C
mach_header_fields = [
("magic", ctypes.c_uint32),
("cputype", ctypes.c_int),
("cpusubtype", ctypes.c_int),
("filetype", ctypes.c_uint32),
("ncmds", ctypes.c_uint32),
("sizeofcmds", ctypes.c_uint32),
("flags", ctypes.c_uint32),
]
"""
struct mach_header {
uint32_t magic; /* mach magic number identifier */
cpu_type_t cputype; /* cpu specifier */
cpu_subtype_t cpusubtype; /* machine specifier */
uint32_t filetype; /* type of file */
uint32_t ncmds; /* number of load commands */
uint32_t sizeofcmds; /* the size of all the load commands */
uint32_t flags; /* flags */
};
typedef integer_t cpu_type_t;
typedef integer_t cpu_subtype_t;
"""
mach_header_fields_64 = mach_header_fields + [("reserved", ctypes.c_uint32)]
"""
struct mach_header_64 {
uint32_t magic; /* mach magic number identifier */
cpu_type_t cputype; /* cpu specifier */
cpu_subtype_t cpusubtype; /* machine specifier */
uint32_t filetype; /* type of file */
uint32_t ncmds; /* number of load commands */
uint32_t sizeofcmds; /* the size of all the load commands */
uint32_t flags; /* flags */
uint32_t reserved; /* reserved */
};
"""
fat_header_fields = [("magic", ctypes.c_uint32), ("nfat_arch", ctypes.c_uint32)]
"""
struct fat_header {
uint32_t magic; /* FAT_MAGIC or FAT_MAGIC_64 */
uint32_t nfat_arch; /* number of structs that follow */
};
"""
fat_arch_fields = [
("cputype", ctypes.c_int),
("cpusubtype", ctypes.c_int),
("offset", ctypes.c_uint32),
("size", ctypes.c_uint32),
("align", ctypes.c_uint32),
]
"""
struct fat_arch {
cpu_type_t cputype; /* cpu specifier (int) */
cpu_subtype_t cpusubtype; /* machine specifier (int) */
uint32_t offset; /* file offset to this object file */
uint32_t size; /* size of this object file */
uint32_t align; /* alignment as a power of 2 */
};
"""
fat_arch_64_fields = [
("cputype", ctypes.c_int),
("cpusubtype", ctypes.c_int),
("offset", ctypes.c_uint64),
("size", ctypes.c_uint64),
("align", ctypes.c_uint32),
("reserved", ctypes.c_uint32),
]
"""
struct fat_arch_64 {
cpu_type_t cputype; /* cpu specifier (int) */
cpu_subtype_t cpusubtype; /* machine specifier (int) */
uint64_t offset; /* file offset to this object file */
uint64_t size; /* size of this object file */
uint32_t align; /* alignment as a power of 2 */
uint32_t reserved; /* reserved */
};
"""
segment_base_fields = [("cmd", ctypes.c_uint32), ("cmdsize", ctypes.c_uint32)]
"""base for reading segment info"""
segment_command_fields = [
("cmd", ctypes.c_uint32),
("cmdsize", ctypes.c_uint32),
("segname", ctypes.c_char * 16),
("vmaddr", ctypes.c_uint32),
("vmsize", ctypes.c_uint32),
("fileoff", ctypes.c_uint32),
("filesize", ctypes.c_uint32),
("maxprot", ctypes.c_int),
("initprot", ctypes.c_int),
("nsects", ctypes.c_uint32),
("flags", ctypes.c_uint32),
]
"""
struct segment_command { /* for 32-bit architectures */
uint32_t cmd; /* LC_SEGMENT */
uint32_t cmdsize; /* includes sizeof section structs */
char segname[16]; /* segment name */
uint32_t vmaddr; /* memory address of this segment */
uint32_t vmsize; /* memory size of this segment */
uint32_t fileoff; /* file offset of this segment */
uint32_t filesize; /* amount to map from the file */
vm_prot_t maxprot; /* maximum VM protection */
vm_prot_t initprot; /* initial VM protection */
uint32_t nsects; /* number of sections in segment */
uint32_t flags; /* flags */
};
typedef int vm_prot_t;
"""
segment_command_fields_64 = [
("cmd", ctypes.c_uint32),
("cmdsize", ctypes.c_uint32),
("segname", ctypes.c_char * 16),
("vmaddr", ctypes.c_uint64),
("vmsize", ctypes.c_uint64),
("fileoff", ctypes.c_uint64),
("filesize", ctypes.c_uint64),
("maxprot", ctypes.c_int),
("initprot", ctypes.c_int),
("nsects", ctypes.c_uint32),
("flags", ctypes.c_uint32),
]
"""
struct segment_command_64 { /* for 64-bit architectures */
uint32_t cmd; /* LC_SEGMENT_64 */
uint32_t cmdsize; /* includes sizeof section_64 structs */
char segname[16]; /* segment name */
uint64_t vmaddr; /* memory address of this segment */
uint64_t vmsize; /* memory size of this segment */
uint64_t fileoff; /* file offset of this segment */
uint64_t filesize; /* amount to map from the file */
vm_prot_t maxprot; /* maximum VM protection */
vm_prot_t initprot; /* initial VM protection */
uint32_t nsects; /* number of sections in segment */
uint32_t flags; /* flags */
};
"""
version_min_command_fields = segment_base_fields + [
("version", ctypes.c_uint32),
("sdk", ctypes.c_uint32),
]
"""
struct version_min_command {
uint32_t cmd; /* LC_VERSION_MIN_MACOSX or
LC_VERSION_MIN_IPHONEOS or
LC_VERSION_MIN_WATCHOS or
LC_VERSION_MIN_TVOS */
uint32_t cmdsize; /* sizeof(struct min_version_command) */
uint32_t version; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
uint32_t sdk; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
};
"""
build_version_command_fields = segment_base_fields + [
("platform", ctypes.c_uint32),
("minos", ctypes.c_uint32),
("sdk", ctypes.c_uint32),
("ntools", ctypes.c_uint32),
]
"""
struct build_version_command {
uint32_t cmd; /* LC_BUILD_VERSION */
uint32_t cmdsize; /* sizeof(struct build_version_command) plus */
/* ntools * sizeof(struct build_tool_version) */
uint32_t platform; /* platform */
uint32_t minos; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
uint32_t sdk; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
uint32_t ntools; /* number of tool entries following this */
};
"""
def swap32(x):
return (
((x << 24) & 0xFF000000)
| ((x << 8) & 0x00FF0000)
| ((x >> 8) & 0x0000FF00)
| ((x >> 24) & 0x000000FF)
)
def get_base_class_and_magic_number(lib_file, seek=None):
if seek is None:
seek = lib_file.tell()
else:
lib_file.seek(seek)
magic_number = ctypes.c_uint32.from_buffer_copy(
lib_file.read(ctypes.sizeof(ctypes.c_uint32))
).value
# Handle wrong byte order
if magic_number in [FAT_CIGAM, FAT_CIGAM_64, MH_CIGAM, MH_CIGAM_64]:
if sys.byteorder == "little":
BaseClass = ctypes.BigEndianStructure
else:
BaseClass = ctypes.LittleEndianStructure
magic_number = swap32(magic_number)
else:
BaseClass = ctypes.Structure
lib_file.seek(seek)
return BaseClass, magic_number
def read_data(struct_class, lib_file):
return struct_class.from_buffer_copy(lib_file.read(ctypes.sizeof(struct_class)))
def extract_macosx_min_system_version(path_to_lib):
with open(path_to_lib, "rb") as lib_file:
BaseClass, magic_number = get_base_class_and_magic_number(lib_file, 0)
if magic_number not in [FAT_MAGIC, FAT_MAGIC_64, MH_MAGIC, MH_MAGIC_64]:
return
if magic_number in [FAT_MAGIC, FAT_CIGAM_64]:
class FatHeader(BaseClass):
_fields_ = fat_header_fields
fat_header = read_data(FatHeader, lib_file)
if magic_number == FAT_MAGIC:
class FatArch(BaseClass):
_fields_ = fat_arch_fields
else:
class FatArch(BaseClass):
_fields_ = fat_arch_64_fields
fat_arch_list = [
read_data(FatArch, lib_file) for _ in range(fat_header.nfat_arch)
]
versions_list = []
for el in fat_arch_list:
try:
version = read_mach_header(lib_file, el.offset)
if version is not None:
if el.cputype == CPU_TYPE_ARM64 and len(fat_arch_list) != 1:
# Xcode will not set the deployment target below 11.0.0
# for the arm64 architecture. Ignore the arm64 deployment
# in fat binaries when the target is 11.0.0, that way
# the other architectures can select a lower deployment
# target.
# This is safe because there is no arm64 variant for
# macOS 10.15 or earlier.
if version == (11, 0, 0):
continue
versions_list.append(version)
except ValueError:
pass
if len(versions_list) > 0:
return max(versions_list)
else:
return None
else:
try:
return read_mach_header(lib_file, 0)
except ValueError:
"""when some error during read library files"""
return None
def read_mach_header(lib_file, seek=None):
"""
This funcition parse mach-O header and extract
information about minimal system version
:param lib_file: reference to opened library file with pointer
"""
if seek is not None:
lib_file.seek(seek)
base_class, magic_number = get_base_class_and_magic_number(lib_file)
arch = "32" if magic_number == MH_MAGIC else "64"
class SegmentBase(base_class):
_fields_ = segment_base_fields
if arch == "32":
class MachHeader(base_class):
_fields_ = mach_header_fields
else:
class MachHeader(base_class):
_fields_ = mach_header_fields_64
mach_header = read_data(MachHeader, lib_file)
for _i in range(mach_header.ncmds):
pos = lib_file.tell()
segment_base = read_data(SegmentBase, lib_file)
lib_file.seek(pos)
if segment_base.cmd == LC_VERSION_MIN_MACOSX:
class VersionMinCommand(base_class):
_fields_ = version_min_command_fields
version_info = read_data(VersionMinCommand, lib_file)
return parse_version(version_info.version)
elif segment_base.cmd == LC_BUILD_VERSION:
class VersionBuild(base_class):
_fields_ = build_version_command_fields
version_info = read_data(VersionBuild, lib_file)
return parse_version(version_info.minos)
else:
lib_file.seek(pos + segment_base.cmdsize)
continue
def parse_version(version):
x = (version & 0xFFFF0000) >> 16
y = (version & 0x0000FF00) >> 8
z = version & 0x000000FF
return x, y, z
def calculate_macosx_platform_tag(archive_root, platform_tag):
"""
Calculate proper macosx platform tag basing on files which are included to wheel
Example platform tag `macosx-10.14-x86_64`
"""
prefix, base_version, suffix = platform_tag.split("-")
base_version = tuple(int(x) for x in base_version.split("."))
base_version = base_version[:2]
if base_version[0] > 10:
base_version = (base_version[0], 0)
assert len(base_version) == 2
if "MACOSX_DEPLOYMENT_TARGET" in os.environ:
deploy_target = tuple(
int(x) for x in os.environ["MACOSX_DEPLOYMENT_TARGET"].split(".")
)
deploy_target = deploy_target[:2]
if deploy_target[0] > 10:
deploy_target = (deploy_target[0], 0)
if deploy_target < base_version:
sys.stderr.write(
"[WARNING] MACOSX_DEPLOYMENT_TARGET is set to a lower value ({}) than "
"the version on which the Python interpreter was compiled ({}), and "
"will be ignored.\n".format(
".".join(str(x) for x in deploy_target),
".".join(str(x) for x in base_version),
)
)
else:
base_version = deploy_target
assert len(base_version) == 2
start_version = base_version
versions_dict = {}
for dirpath, _dirnames, filenames in os.walk(archive_root):
for filename in filenames:
if filename.endswith(".dylib") or filename.endswith(".so"):
lib_path = os.path.join(dirpath, filename)
min_ver = extract_macosx_min_system_version(lib_path)
if min_ver is not None:
min_ver = min_ver[0:2]
if min_ver[0] > 10:
min_ver = (min_ver[0], 0)
versions_dict[lib_path] = min_ver
if len(versions_dict) > 0:
base_version = max(base_version, max(versions_dict.values()))
# macosx platform tag do not support minor bugfix release
fin_base_version = "_".join([str(x) for x in base_version])
if start_version < base_version:
problematic_files = [k for k, v in versions_dict.items() if v > start_version]
problematic_files = "\n".join(problematic_files)
if len(problematic_files) == 1:
files_form = "this file"
else:
files_form = "these files"
error_message = (
"[WARNING] This wheel needs a higher macOS version than {} "
"To silence this warning, set MACOSX_DEPLOYMENT_TARGET to at least "
+ fin_base_version
+ " or recreate "
+ files_form
+ " with lower "
"MACOSX_DEPLOYMENT_TARGET: \n" + problematic_files
)
if "MACOSX_DEPLOYMENT_TARGET" in os.environ:
error_message = error_message.format(
"is set in MACOSX_DEPLOYMENT_TARGET variable."
)
else:
error_message = error_message.format(
"the version your Python interpreter is compiled against."
)
sys.stderr.write(error_message)
platform_tag = prefix + "_" + fin_base_version + "_" + suffix
return platform_tag

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@ -1,179 +0,0 @@
"""
Tools for converting old- to new-style metadata.
"""
from __future__ import annotations
import functools
import itertools
import os.path
import re
import textwrap
from email.message import Message
from email.parser import Parser
from typing import Iterator
from .vendored.packaging.requirements import Requirement
def _nonblank(str):
return str and not str.startswith("#")
@functools.singledispatch
def yield_lines(iterable):
r"""
Yield valid lines of a string or iterable.
>>> list(yield_lines(''))
[]
>>> list(yield_lines(['foo', 'bar']))
['foo', 'bar']
>>> list(yield_lines('foo\nbar'))
['foo', 'bar']
>>> list(yield_lines('\nfoo\n#bar\nbaz #comment'))
['foo', 'baz #comment']
>>> list(yield_lines(['foo\nbar', 'baz', 'bing\n\n\n']))
['foo', 'bar', 'baz', 'bing']
"""
return itertools.chain.from_iterable(map(yield_lines, iterable))
@yield_lines.register(str)
def _(text):
return filter(_nonblank, map(str.strip, text.splitlines()))
def split_sections(s):
"""Split a string or iterable thereof into (section, content) pairs
Each ``section`` is a stripped version of the section header ("[section]")
and each ``content`` is a list of stripped lines excluding blank lines and
comment-only lines. If there are any such lines before the first section
header, they're returned in a first ``section`` of ``None``.
"""
section = None
content = []
for line in yield_lines(s):
if line.startswith("["):
if line.endswith("]"):
if section or content:
yield section, content
section = line[1:-1].strip()
content = []
else:
raise ValueError("Invalid section heading", line)
else:
content.append(line)
# wrap up last segment
yield section, content
def safe_extra(extra):
"""Convert an arbitrary string to a standard 'extra' name
Any runs of non-alphanumeric characters are replaced with a single '_',
and the result is always lowercased.
"""
return re.sub("[^A-Za-z0-9.-]+", "_", extra).lower()
def safe_name(name):
"""Convert an arbitrary string to a standard distribution name
Any runs of non-alphanumeric/. characters are replaced with a single '-'.
"""
return re.sub("[^A-Za-z0-9.]+", "-", name)
def requires_to_requires_dist(requirement: Requirement) -> str:
"""Return the version specifier for a requirement in PEP 345/566 fashion."""
if getattr(requirement, "url", None):
return " @ " + requirement.url
requires_dist = []
for spec in requirement.specifier:
requires_dist.append(spec.operator + spec.version)
if requires_dist:
return " " + ",".join(sorted(requires_dist))
else:
return ""
def convert_requirements(requirements: list[str]) -> Iterator[str]:
"""Yield Requires-Dist: strings for parsed requirements strings."""
for req in requirements:
parsed_requirement = Requirement(req)
spec = requires_to_requires_dist(parsed_requirement)
extras = ",".join(sorted(safe_extra(e) for e in parsed_requirement.extras))
if extras:
extras = f"[{extras}]"
yield safe_name(parsed_requirement.name) + extras + spec
def generate_requirements(
extras_require: dict[str, list[str]]
) -> Iterator[tuple[str, str]]:
"""
Convert requirements from a setup()-style dictionary to
('Requires-Dist', 'requirement') and ('Provides-Extra', 'extra') tuples.
extras_require is a dictionary of {extra: [requirements]} as passed to setup(),
using the empty extra {'': [requirements]} to hold install_requires.
"""
for extra, depends in extras_require.items():
condition = ""
extra = extra or ""
if ":" in extra: # setuptools extra:condition syntax
extra, condition = extra.split(":", 1)
extra = safe_extra(extra)
if extra:
yield "Provides-Extra", extra
if condition:
condition = "(" + condition + ") and "
condition += "extra == '%s'" % extra
if condition:
condition = " ; " + condition
for new_req in convert_requirements(depends):
yield "Requires-Dist", new_req + condition
def pkginfo_to_metadata(egg_info_path: str, pkginfo_path: str) -> Message:
"""
Convert .egg-info directory with PKG-INFO to the Metadata 2.1 format
"""
with open(pkginfo_path, encoding="utf-8") as headers:
pkg_info = Parser().parse(headers)
pkg_info.replace_header("Metadata-Version", "2.1")
# Those will be regenerated from `requires.txt`.
del pkg_info["Provides-Extra"]
del pkg_info["Requires-Dist"]
requires_path = os.path.join(egg_info_path, "requires.txt")
if os.path.exists(requires_path):
with open(requires_path, encoding="utf-8") as requires_file:
requires = requires_file.read()
parsed_requirements = sorted(split_sections(requires), key=lambda x: x[0] or "")
for extra, reqs in parsed_requirements:
for key, value in generate_requirements({extra: reqs}):
if (key, value) not in pkg_info.items():
pkg_info[key] = value
description = pkg_info["Description"]
if description:
description_lines = pkg_info["Description"].splitlines()
dedented_description = "\n".join(
# if the first line of long_description is blank,
# the first line here will be indented.
(
description_lines[0].lstrip(),
textwrap.dedent("\n".join(description_lines[1:])),
"\n",
)
)
pkg_info.set_payload(dedented_description)
del pkg_info["Description"]
return pkg_info

26
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from __future__ import annotations
import base64
import logging
log = logging.getLogger("wheel")
# ensure Python logging is configured
try:
__import__("setuptools.logging")
except ImportError:
# setuptools < ??
from . import _setuptools_logging
_setuptools_logging.configure()
def urlsafe_b64encode(data: bytes) -> bytes:
"""urlsafe_b64encode without padding"""
return base64.urlsafe_b64encode(data).rstrip(b"=")
def urlsafe_b64decode(data: bytes) -> bytes:
"""urlsafe_b64decode without padding"""
pad = b"=" * (4 - (len(data) & 3))
return base64.urlsafe_b64decode(data + pad)

0
.eggs/wheel-0.42.0-py3.12.egg/wheel/vendored/__init__.py
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0
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108
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"""
ELF file parser.
This provides a class ``ELFFile`` that parses an ELF executable in a similar
interface to ``ZipFile``. Only the read interface is implemented.
Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca
ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html
"""
import enum
import os
import struct
from typing import IO, Optional, Tuple
class ELFInvalid(ValueError):
pass
class EIClass(enum.IntEnum):
C32 = 1
C64 = 2
class EIData(enum.IntEnum):
Lsb = 1
Msb = 2
class EMachine(enum.IntEnum):
I386 = 3
S390 = 22
Arm = 40
X8664 = 62
AArc64 = 183
class ELFFile:
"""
Representation of an ELF executable.
"""
def __init__(self, f: IO[bytes]) -> None:
self._f = f
try:
ident = self._read("16B")
except struct.error:
raise ELFInvalid("unable to parse identification")
magic = bytes(ident[:4])
if magic != b"\x7fELF":
raise ELFInvalid(f"invalid magic: {magic!r}")
self.capacity = ident[4] # Format for program header (bitness).
self.encoding = ident[5] # Data structure encoding (endianness).
try:
# e_fmt: Format for program header.
# p_fmt: Format for section header.
# p_idx: Indexes to find p_type, p_offset, and p_filesz.
e_fmt, self._p_fmt, self._p_idx = {
(1, 1): ("<HHIIIIIHHH", "<IIIIIIII", (0, 1, 4)), # 32-bit LSB.
(1, 2): (">HHIIIIIHHH", ">IIIIIIII", (0, 1, 4)), # 32-bit MSB.
(2, 1): ("<HHIQQQIHHH", "<IIQQQQQQ", (0, 2, 5)), # 64-bit LSB.
(2, 2): (">HHIQQQIHHH", ">IIQQQQQQ", (0, 2, 5)), # 64-bit MSB.
}[(self.capacity, self.encoding)]
except KeyError:
raise ELFInvalid(
f"unrecognized capacity ({self.capacity}) or "
f"encoding ({self.encoding})"
)
try:
(
_,
self.machine, # Architecture type.
_,
_,
self._e_phoff, # Offset of program header.
_,
self.flags, # Processor-specific flags.
_,
self._e_phentsize, # Size of section.
self._e_phnum, # Number of sections.
) = self._read(e_fmt)
except struct.error as e:
raise ELFInvalid("unable to parse machine and section information") from e
def _read(self, fmt: str) -> Tuple[int, ...]:
return struct.unpack(fmt, self._f.read(struct.calcsize(fmt)))
@property
def interpreter(self) -> Optional[str]:
"""
The path recorded in the ``PT_INTERP`` section header.
"""
for index in range(self._e_phnum):
self._f.seek(self._e_phoff + self._e_phentsize * index)
try:
data = self._read(self._p_fmt)
except struct.error:
continue
if data[self._p_idx[0]] != 3: # Not PT_INTERP.
continue
self._f.seek(data[self._p_idx[1]])
return os.fsdecode(self._f.read(data[self._p_idx[2]])).strip("\0")
return None

252
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@ -1,252 +0,0 @@
import collections
import contextlib
import functools
import os
import re
import sys
import warnings
from typing import Dict, Generator, Iterator, NamedTuple, Optional, Sequence, Tuple
from ._elffile import EIClass, EIData, ELFFile, EMachine
EF_ARM_ABIMASK = 0xFF000000
EF_ARM_ABI_VER5 = 0x05000000
EF_ARM_ABI_FLOAT_HARD = 0x00000400
# `os.PathLike` not a generic type until Python 3.9, so sticking with `str`
# as the type for `path` until then.
@contextlib.contextmanager
def _parse_elf(path: str) -> Generator[Optional[ELFFile], None, None]:
try:
with open(path, "rb") as f:
yield ELFFile(f)
except (OSError, TypeError, ValueError):
yield None
def _is_linux_armhf(executable: str) -> bool:
# hard-float ABI can be detected from the ELF header of the running
# process
# https://static.docs.arm.com/ihi0044/g/aaelf32.pdf
with _parse_elf(executable) as f:
return (
f is not None
and f.capacity == EIClass.C32
and f.encoding == EIData.Lsb
and f.machine == EMachine.Arm
and f.flags & EF_ARM_ABIMASK == EF_ARM_ABI_VER5
and f.flags & EF_ARM_ABI_FLOAT_HARD == EF_ARM_ABI_FLOAT_HARD
)
def _is_linux_i686(executable: str) -> bool:
with _parse_elf(executable) as f:
return (
f is not None
and f.capacity == EIClass.C32
and f.encoding == EIData.Lsb
and f.machine == EMachine.I386
)
def _have_compatible_abi(executable: str, archs: Sequence[str]) -> bool:
if "armv7l" in archs:
return _is_linux_armhf(executable)
if "i686" in archs:
return _is_linux_i686(executable)
allowed_archs = {"x86_64", "aarch64", "ppc64", "ppc64le", "s390x", "loongarch64"}
return any(arch in allowed_archs for arch in archs)
# If glibc ever changes its major version, we need to know what the last
# minor version was, so we can build the complete list of all versions.
# For now, guess what the highest minor version might be, assume it will
# be 50 for testing. Once this actually happens, update the dictionary
# with the actual value.
_LAST_GLIBC_MINOR: Dict[int, int] = collections.defaultdict(lambda: 50)
class _GLibCVersion(NamedTuple):
major: int
minor: int
def _glibc_version_string_confstr() -> Optional[str]:
"""
Primary implementation of glibc_version_string using os.confstr.
"""
# os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
# to be broken or missing. This strategy is used in the standard library
# platform module.
# https://github.com/python/cpython/blob/fcf1d003bf4f0100c/Lib/platform.py#L175-L183
try:
# Should be a string like "glibc 2.17".
version_string: str = getattr(os, "confstr")("CS_GNU_LIBC_VERSION")
assert version_string is not None
_, version = version_string.rsplit()
except (AssertionError, AttributeError, OSError, ValueError):
# os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
return None
return version
def _glibc_version_string_ctypes() -> Optional[str]:
"""
Fallback implementation of glibc_version_string using ctypes.
"""
try:
import ctypes
except ImportError:
return None
# ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
# manpage says, "If filename is NULL, then the returned handle is for the
# main program". This way we can let the linker do the work to figure out
# which libc our process is actually using.
#
# We must also handle the special case where the executable is not a
# dynamically linked executable. This can occur when using musl libc,
# for example. In this situation, dlopen() will error, leading to an
# OSError. Interestingly, at least in the case of musl, there is no
# errno set on the OSError. The single string argument used to construct
# OSError comes from libc itself and is therefore not portable to
# hard code here. In any case, failure to call dlopen() means we
# can proceed, so we bail on our attempt.
try:
process_namespace = ctypes.CDLL(None)
except OSError:
return None
try:
gnu_get_libc_version = process_namespace.gnu_get_libc_version
except AttributeError:
# Symbol doesn't exist -> therefore, we are not linked to
# glibc.
return None
# Call gnu_get_libc_version, which returns a string like "2.5"
gnu_get_libc_version.restype = ctypes.c_char_p
version_str: str = gnu_get_libc_version()
# py2 / py3 compatibility:
if not isinstance(version_str, str):
version_str = version_str.decode("ascii")
return version_str
def _glibc_version_string() -> Optional[str]:
"""Returns glibc version string, or None if not using glibc."""
return _glibc_version_string_confstr() or _glibc_version_string_ctypes()
def _parse_glibc_version(version_str: str) -> Tuple[int, int]:
"""Parse glibc version.
We use a regexp instead of str.split because we want to discard any
random junk that might come after the minor version -- this might happen
in patched/forked versions of glibc (e.g. Linaro's version of glibc
uses version strings like "2.20-2014.11"). See gh-3588.
"""
m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str)
if not m:
warnings.warn(
f"Expected glibc version with 2 components major.minor,"
f" got: {version_str}",
RuntimeWarning,
)
return -1, -1
return int(m.group("major")), int(m.group("minor"))
@functools.lru_cache()
def _get_glibc_version() -> Tuple[int, int]:
version_str = _glibc_version_string()
if version_str is None:
return (-1, -1)
return _parse_glibc_version(version_str)
# From PEP 513, PEP 600
def _is_compatible(arch: str, version: _GLibCVersion) -> bool:
sys_glibc = _get_glibc_version()
if sys_glibc < version:
return False
# Check for presence of _manylinux module.
try:
import _manylinux # noqa
except ImportError:
return True
if hasattr(_manylinux, "manylinux_compatible"):
result = _manylinux.manylinux_compatible(version[0], version[1], arch)
if result is not None:
return bool(result)
return True
if version == _GLibCVersion(2, 5):
if hasattr(_manylinux, "manylinux1_compatible"):
return bool(_manylinux.manylinux1_compatible)
if version == _GLibCVersion(2, 12):
if hasattr(_manylinux, "manylinux2010_compatible"):
return bool(_manylinux.manylinux2010_compatible)
if version == _GLibCVersion(2, 17):
if hasattr(_manylinux, "manylinux2014_compatible"):
return bool(_manylinux.manylinux2014_compatible)
return True
_LEGACY_MANYLINUX_MAP = {
# CentOS 7 w/ glibc 2.17 (PEP 599)
(2, 17): "manylinux2014",
# CentOS 6 w/ glibc 2.12 (PEP 571)
(2, 12): "manylinux2010",
# CentOS 5 w/ glibc 2.5 (PEP 513)
(2, 5): "manylinux1",
}
def platform_tags(archs: Sequence[str]) -> Iterator[str]:
"""Generate manylinux tags compatible to the current platform.
:param archs: Sequence of compatible architectures.
The first one shall be the closest to the actual architecture and be the part of
platform tag after the ``linux_`` prefix, e.g. ``x86_64``.
The ``linux_`` prefix is assumed as a prerequisite for the current platform to
be manylinux-compatible.
:returns: An iterator of compatible manylinux tags.
"""
if not _have_compatible_abi(sys.executable, archs):
return
# Oldest glibc to be supported regardless of architecture is (2, 17).
too_old_glibc2 = _GLibCVersion(2, 16)
if set(archs) & {"x86_64", "i686"}:
# On x86/i686 also oldest glibc to be supported is (2, 5).
too_old_glibc2 = _GLibCVersion(2, 4)
current_glibc = _GLibCVersion(*_get_glibc_version())
glibc_max_list = [current_glibc]
# We can assume compatibility across glibc major versions.
# https://sourceware.org/bugzilla/show_bug.cgi?id=24636
#
# Build a list of maximum glibc versions so that we can
# output the canonical list of all glibc from current_glibc
# down to too_old_glibc2, including all intermediary versions.
for glibc_major in range(current_glibc.major - 1, 1, -1):
glibc_minor = _LAST_GLIBC_MINOR[glibc_major]
glibc_max_list.append(_GLibCVersion(glibc_major, glibc_minor))
for arch in archs:
for glibc_max in glibc_max_list:
if glibc_max.major == too_old_glibc2.major:
min_minor = too_old_glibc2.minor
else:
# For other glibc major versions oldest supported is (x, 0).
min_minor = -1
for glibc_minor in range(glibc_max.minor, min_minor, -1):
glibc_version = _GLibCVersion(glibc_max.major, glibc_minor)
tag = "manylinux_{}_{}".format(*glibc_version)
if _is_compatible(arch, glibc_version):
yield f"{tag}_{arch}"
# Handle the legacy manylinux1, manylinux2010, manylinux2014 tags.
if glibc_version in _LEGACY_MANYLINUX_MAP:
legacy_tag = _LEGACY_MANYLINUX_MAP[glibc_version]
if _is_compatible(arch, glibc_version):
yield f"{legacy_tag}_{arch}"

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"""PEP 656 support.
This module implements logic to detect if the currently running Python is
linked against musl, and what musl version is used.
"""
import functools
import re
import subprocess
import sys
from typing import Iterator, NamedTuple, Optional, Sequence
from ._elffile import ELFFile
class _MuslVersion(NamedTuple):
major: int
minor: int
def _parse_musl_version(output: str) -> Optional[_MuslVersion]:
lines = [n for n in (n.strip() for n in output.splitlines()) if n]
if len(lines) < 2 or lines[0][:4] != "musl":
return None
m = re.match(r"Version (\d+)\.(\d+)", lines[1])
if not m:
return None
return _MuslVersion(major=int(m.group(1)), minor=int(m.group(2)))
@functools.lru_cache()
def _get_musl_version(executable: str) -> Optional[_MuslVersion]:
"""Detect currently-running musl runtime version.
This is done by checking the specified executable's dynamic linking
information, and invoking the loader to parse its output for a version
string. If the loader is musl, the output would be something like::
musl libc (x86_64)
Version 1.2.2
Dynamic Program Loader
"""
try:
with open(executable, "rb") as f:
ld = ELFFile(f).interpreter
except (OSError, TypeError, ValueError):
return None
if ld is None or "musl" not in ld:
return None
proc = subprocess.run([ld], stderr=subprocess.PIPE, text=True)
return _parse_musl_version(proc.stderr)
def platform_tags(archs: Sequence[str]) -> Iterator[str]:
"""Generate musllinux tags compatible to the current platform.
:param archs: Sequence of compatible architectures.
The first one shall be the closest to the actual architecture and be the part of
platform tag after the ``linux_`` prefix, e.g. ``x86_64``.
The ``linux_`` prefix is assumed as a prerequisite for the current platform to
be musllinux-compatible.
:returns: An iterator of compatible musllinux tags.
"""
sys_musl = _get_musl_version(sys.executable)
if sys_musl is None: # Python not dynamically linked against musl.
return
for arch in archs:
for minor in range(sys_musl.minor, -1, -1):
yield f"musllinux_{sys_musl.major}_{minor}_{arch}"
if __name__ == "__main__": # pragma: no cover
import sysconfig
plat = sysconfig.get_platform()
assert plat.startswith("linux-"), "not linux"
print("plat:", plat)
print("musl:", _get_musl_version(sys.executable))
print("tags:", end=" ")
for t in platform_tags(re.sub(r"[.-]", "_", plat.split("-", 1)[-1])):
print(t, end="\n ")

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"""Handwritten parser of dependency specifiers.
The docstring for each __parse_* function contains ENBF-inspired grammar representing
the implementation.
"""
import ast
from typing import Any, List, NamedTuple, Optional, Tuple, Union
from ._tokenizer import DEFAULT_RULES, Tokenizer
class Node:
def __init__(self, value: str) -> None:
self.value = value
def __str__(self) -> str:
return self.value
def __repr__(self) -> str:
return f"<{self.__class__.__name__}('{self}')>"
def serialize(self) -> str:
raise NotImplementedError
class Variable(Node):
def serialize(self) -> str:
return str(self)
class Value(Node):
def serialize(self) -> str:
return f'"{self}"'
class Op(Node):
def serialize(self) -> str:
return str(self)
MarkerVar = Union[Variable, Value]
MarkerItem = Tuple[MarkerVar, Op, MarkerVar]
# MarkerAtom = Union[MarkerItem, List["MarkerAtom"]]
# MarkerList = List[Union["MarkerList", MarkerAtom, str]]
# mypy does not support recursive type definition
# https://github.com/python/mypy/issues/731
MarkerAtom = Any
MarkerList = List[Any]
class ParsedRequirement(NamedTuple):
name: str
url: str
extras: List[str]
specifier: str
marker: Optional[MarkerList]
# --------------------------------------------------------------------------------------
# Recursive descent parser for dependency specifier
# --------------------------------------------------------------------------------------
def parse_requirement(source: str) -> ParsedRequirement:
return _parse_requirement(Tokenizer(source, rules=DEFAULT_RULES))
def _parse_requirement(tokenizer: Tokenizer) -> ParsedRequirement:
"""
requirement = WS? IDENTIFIER WS? extras WS? requirement_details
"""
tokenizer.consume("WS")
name_token = tokenizer.expect(
"IDENTIFIER", expected="package name at the start of dependency specifier"
)
name = name_token.text
tokenizer.consume("WS")
extras = _parse_extras(tokenizer)
tokenizer.consume("WS")
url, specifier, marker = _parse_requirement_details(tokenizer)
tokenizer.expect("END", expected="end of dependency specifier")
return ParsedRequirement(name, url, extras, specifier, marker)
def _parse_requirement_details(
tokenizer: Tokenizer,
) -> Tuple[str, str, Optional[MarkerList]]:
"""
requirement_details = AT URL (WS requirement_marker?)?
| specifier WS? (requirement_marker)?
"""
specifier = ""
url = ""
marker = None
if tokenizer.check("AT"):
tokenizer.read()
tokenizer.consume("WS")
url_start = tokenizer.position
url = tokenizer.expect("URL", expected="URL after @").text
if tokenizer.check("END", peek=True):
return (url, specifier, marker)
tokenizer.expect("WS", expected="whitespace after URL")
# The input might end after whitespace.
if tokenizer.check("END", peek=True):
return (url, specifier, marker)
marker = _parse_requirement_marker(
tokenizer, span_start=url_start, after="URL and whitespace"
)
else:
specifier_start = tokenizer.position
specifier = _parse_specifier(tokenizer)
tokenizer.consume("WS")
if tokenizer.check("END", peek=True):
return (url, specifier, marker)
marker = _parse_requirement_marker(
tokenizer,
span_start=specifier_start,
after=(
"version specifier"
if specifier
else "name and no valid version specifier"
),
)
return (url, specifier, marker)
def _parse_requirement_marker(
tokenizer: Tokenizer, *, span_start: int, after: str
) -> MarkerList:
"""
requirement_marker = SEMICOLON marker WS?
"""
if not tokenizer.check("SEMICOLON"):
tokenizer.raise_syntax_error(
f"Expected end or semicolon (after {after})",
span_start=span_start,
)
tokenizer.read()
marker = _parse_marker(tokenizer)
tokenizer.consume("WS")
return marker
def _parse_extras(tokenizer: Tokenizer) -> List[str]:
"""
extras = (LEFT_BRACKET wsp* extras_list? wsp* RIGHT_BRACKET)?
"""
if not tokenizer.check("LEFT_BRACKET", peek=True):
return []
with tokenizer.enclosing_tokens(
"LEFT_BRACKET",
"RIGHT_BRACKET",
around="extras",
):
tokenizer.consume("WS")
extras = _parse_extras_list(tokenizer)
tokenizer.consume("WS")
return extras
def _parse_extras_list(tokenizer: Tokenizer) -> List[str]:
"""
extras_list = identifier (wsp* ',' wsp* identifier)*
"""
extras: List[str] = []
if not tokenizer.check("IDENTIFIER"):
return extras
extras.append(tokenizer.read().text)
while True:
tokenizer.consume("WS")
if tokenizer.check("IDENTIFIER", peek=True):
tokenizer.raise_syntax_error("Expected comma between extra names")
elif not tokenizer.check("COMMA"):
break
tokenizer.read()
tokenizer.consume("WS")
extra_token = tokenizer.expect("IDENTIFIER", expected="extra name after comma")
extras.append(extra_token.text)
return extras
def _parse_specifier(tokenizer: Tokenizer) -> str:
"""
specifier = LEFT_PARENTHESIS WS? version_many WS? RIGHT_PARENTHESIS
| WS? version_many WS?
"""
with tokenizer.enclosing_tokens(
"LEFT_PARENTHESIS",
"RIGHT_PARENTHESIS",
around="version specifier",
):
tokenizer.consume("WS")
parsed_specifiers = _parse_version_many(tokenizer)
tokenizer.consume("WS")
return parsed_specifiers
def _parse_version_many(tokenizer: Tokenizer) -> str:
"""
version_many = (SPECIFIER (WS? COMMA WS? SPECIFIER)*)?
"""
parsed_specifiers = ""
while tokenizer.check("SPECIFIER"):
span_start = tokenizer.position
parsed_specifiers += tokenizer.read().text
if tokenizer.check("VERSION_PREFIX_TRAIL", peek=True):
tokenizer.raise_syntax_error(
".* suffix can only be used with `==` or `!=` operators",
span_start=span_start,
span_end=tokenizer.position + 1,
)
if tokenizer.check("VERSION_LOCAL_LABEL_TRAIL", peek=True):
tokenizer.raise_syntax_error(
"Local version label can only be used with `==` or `!=` operators",
span_start=span_start,
span_end=tokenizer.position,
)
tokenizer.consume("WS")
if not tokenizer.check("COMMA"):
break
parsed_specifiers += tokenizer.read().text
tokenizer.consume("WS")
return parsed_specifiers
# --------------------------------------------------------------------------------------
# Recursive descent parser for marker expression
# --------------------------------------------------------------------------------------
def parse_marker(source: str) -> MarkerList:
return _parse_full_marker(Tokenizer(source, rules=DEFAULT_RULES))
def _parse_full_marker(tokenizer: Tokenizer) -> MarkerList:
retval = _parse_marker(tokenizer)
tokenizer.expect("END", expected="end of marker expression")
return retval
def _parse_marker(tokenizer: Tokenizer) -> MarkerList:
"""
marker = marker_atom (BOOLOP marker_atom)+
"""
expression = [_parse_marker_atom(tokenizer)]
while tokenizer.check("BOOLOP"):
token = tokenizer.read()
expr_right = _parse_marker_atom(tokenizer)
expression.extend((token.text, expr_right))
return expression
def _parse_marker_atom(tokenizer: Tokenizer) -> MarkerAtom:
"""
marker_atom = WS? LEFT_PARENTHESIS WS? marker WS? RIGHT_PARENTHESIS WS?
| WS? marker_item WS?
"""
tokenizer.consume("WS")
if tokenizer.check("LEFT_PARENTHESIS", peek=True):
with tokenizer.enclosing_tokens(
"LEFT_PARENTHESIS",
"RIGHT_PARENTHESIS",
around="marker expression",
):
tokenizer.consume("WS")
marker: MarkerAtom = _parse_marker(tokenizer)
tokenizer.consume("WS")
else:
marker = _parse_marker_item(tokenizer)
tokenizer.consume("WS")
return marker
def _parse_marker_item(tokenizer: Tokenizer) -> MarkerItem:
"""
marker_item = WS? marker_var WS? marker_op WS? marker_var WS?
"""
tokenizer.consume("WS")
marker_var_left = _parse_marker_var(tokenizer)
tokenizer.consume("WS")
marker_op = _parse_marker_op(tokenizer)
tokenizer.consume("WS")
marker_var_right = _parse_marker_var(tokenizer)
tokenizer.consume("WS")
return (marker_var_left, marker_op, marker_var_right)
def _parse_marker_var(tokenizer: Tokenizer) -> MarkerVar:
"""
marker_var = VARIABLE | QUOTED_STRING
"""
if tokenizer.check("VARIABLE"):
return process_env_var(tokenizer.read().text.replace(".", "_"))
elif tokenizer.check("QUOTED_STRING"):
return process_python_str(tokenizer.read().text)
else:
tokenizer.raise_syntax_error(
message="Expected a marker variable or quoted string"
)
def process_env_var(env_var: str) -> Variable:
if (
env_var == "platform_python_implementation"
or env_var == "python_implementation"
):
return Variable("platform_python_implementation")
else:
return Variable(env_var)
def process_python_str(python_str: str) -> Value:
value = ast.literal_eval(python_str)
return Value(str(value))
def _parse_marker_op(tokenizer: Tokenizer) -> Op:
"""
marker_op = IN | NOT IN | OP
"""
if tokenizer.check("IN"):
tokenizer.read()
return Op("in")
elif tokenizer.check("NOT"):
tokenizer.read()
tokenizer.expect("WS", expected="whitespace after 'not'")
tokenizer.expect("IN", expected="'in' after 'not'")
return Op("not in")
elif tokenizer.check("OP"):
return Op(tokenizer.read().text)
else:
return tokenizer.raise_syntax_error(
"Expected marker operator, one of "
"<=, <, !=, ==, >=, >, ~=, ===, in, not in"
)

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@ -1,61 +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 InfinityType:
def __repr__(self) -> str:
return "Infinity"
def __hash__(self) -> int:
return hash(repr(self))
def __lt__(self, other: object) -> bool:
return False
def __le__(self, other: object) -> bool:
return False
def __eq__(self, other: object) -> bool:
return isinstance(other, self.__class__)
def __gt__(self, other: object) -> bool:
return True
def __ge__(self, other: object) -> bool:
return True
def __neg__(self: object) -> "NegativeInfinityType":
return NegativeInfinity
Infinity = InfinityType()
class NegativeInfinityType:
def __repr__(self) -> str:
return "-Infinity"
def __hash__(self) -> int:
return hash(repr(self))
def __lt__(self, other: object) -> bool:
return True
def __le__(self, other: object) -> bool:
return True
def __eq__(self, other: object) -> bool:
return isinstance(other, self.__class__)
def __gt__(self, other: object) -> bool:
return False
def __ge__(self, other: object) -> bool:
return False
def __neg__(self: object) -> InfinityType:
return Infinity
NegativeInfinity = NegativeInfinityType()

192
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import contextlib
import re
from dataclasses import dataclass
from typing import Dict, Iterator, NoReturn, Optional, Tuple, Union
from .specifiers import Specifier
@dataclass
class Token:
name: str
text: str
position: int
class ParserSyntaxError(Exception):
"""The provided source text could not be parsed correctly."""
def __init__(
self,
message: str,
*,
source: str,
span: Tuple[int, int],
) -> None:
self.span = span
self.message = message
self.source = source
super().__init__()
def __str__(self) -> str:
marker = " " * self.span[0] + "~" * (self.span[1] - self.span[0]) + "^"
return "\n ".join([self.message, self.source, marker])
DEFAULT_RULES: "Dict[str, Union[str, re.Pattern[str]]]" = {
"LEFT_PARENTHESIS": r"\(",
"RIGHT_PARENTHESIS": r"\)",
"LEFT_BRACKET": r"\[",
"RIGHT_BRACKET": r"\]",
"SEMICOLON": r";",
"COMMA": r",",
"QUOTED_STRING": re.compile(
r"""
(
('[^']*')
|
("[^"]*")
)
""",
re.VERBOSE,
),
"OP": r"(===|==|~=|!=|<=|>=|<|>)",
"BOOLOP": r"\b(or|and)\b",
"IN": r"\bin\b",
"NOT": r"\bnot\b",
"VARIABLE": re.compile(
r"""
\b(
python_version
|python_full_version
|os[._]name
|sys[._]platform
|platform_(release|system)
|platform[._](version|machine|python_implementation)
|python_implementation
|implementation_(name|version)
|extra
)\b
""",
re.VERBOSE,
),
"SPECIFIER": re.compile(
Specifier._operator_regex_str + Specifier._version_regex_str,
re.VERBOSE | re.IGNORECASE,
),
"AT": r"\@",
"URL": r"[^ \t]+",
"IDENTIFIER": r"\b[a-zA-Z0-9][a-zA-Z0-9._-]*\b",
"VERSION_PREFIX_TRAIL": r"\.\*",
"VERSION_LOCAL_LABEL_TRAIL": r"\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*",
"WS": r"[ \t]+",
"END": r"$",
}
class Tokenizer:
"""Context-sensitive token parsing.
Provides methods to examine the input stream to check whether the next token
matches.
"""
def __init__(
self,
source: str,
*,
rules: "Dict[str, Union[str, re.Pattern[str]]]",
) -> None:
self.source = source
self.rules: Dict[str, re.Pattern[str]] = {
name: re.compile(pattern) for name, pattern in rules.items()
}
self.next_token: Optional[Token] = None
self.position = 0
def consume(self, name: str) -> None:
"""Move beyond provided token name, if at current position."""
if self.check(name):
self.read()
def check(self, name: str, *, peek: bool = False) -> bool:
"""Check whether the next token has the provided name.
By default, if the check succeeds, the token *must* be read before
another check. If `peek` is set to `True`, the token is not loaded and
would need to be checked again.
"""
assert (
self.next_token is None
), f"Cannot check for {name!r}, already have {self.next_token!r}"
assert name in self.rules, f"Unknown token name: {name!r}"
expression = self.rules[name]
match = expression.match(self.source, self.position)
if match is None:
return False
if not peek:
self.next_token = Token(name, match[0], self.position)
return True
def expect(self, name: str, *, expected: str) -> Token:
"""Expect a certain token name next, failing with a syntax error otherwise.
The token is *not* read.
"""
if not self.check(name):
raise self.raise_syntax_error(f"Expected {expected}")
return self.read()
def read(self) -> Token:
"""Consume the next token and return it."""
token = self.next_token
assert token is not None
self.position += len(token.text)
self.next_token = None
return token
def raise_syntax_error(
self,
message: str,
*,
span_start: Optional[int] = None,
span_end: Optional[int] = None,
) -> NoReturn:
"""Raise ParserSyntaxError at the given position."""
span = (
self.position if span_start is None else span_start,
self.position if span_end is None else span_end,
)
raise ParserSyntaxError(
message,
source=self.source,
span=span,
)
@contextlib.contextmanager
def enclosing_tokens(
self, open_token: str, close_token: str, *, around: str
) -> Iterator[None]:
if self.check(open_token):
open_position = self.position
self.read()
else:
open_position = None
yield
if open_position is None:
return
if not self.check(close_token):
self.raise_syntax_error(
f"Expected matching {close_token} for {open_token}, after {around}",
span_start=open_position,
)
self.read()

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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 operator
import os
import platform
import sys
from typing import Any, Callable, Dict, List, Optional, Tuple, Union
from ._parser import (
MarkerAtom,
MarkerList,
Op,
Value,
Variable,
parse_marker as _parse_marker,
)
from ._tokenizer import ParserSyntaxError
from .specifiers import InvalidSpecifier, Specifier
from .utils import canonicalize_name
__all__ = [
"InvalidMarker",
"UndefinedComparison",
"UndefinedEnvironmentName",
"Marker",
"default_environment",
]
Operator = Callable[[str, str], bool]
class InvalidMarker(ValueError):
"""
An invalid marker was found, users should refer to PEP 508.
"""
class UndefinedComparison(ValueError):
"""
An invalid operation was attempted on a value that doesn't support it.
"""
class UndefinedEnvironmentName(ValueError):
"""
A name was attempted to be used that does not exist inside of the
environment.
"""
def _normalize_extra_values(results: Any) -> Any:
"""
Normalize extra values.
"""
if isinstance(results[0], tuple):
lhs, op, rhs = results[0]
if isinstance(lhs, Variable) and lhs.value == "extra":
normalized_extra = canonicalize_name(rhs.value)
rhs = Value(normalized_extra)
elif isinstance(rhs, Variable) and rhs.value == "extra":
normalized_extra = canonicalize_name(lhs.value)
lhs = Value(normalized_extra)
results[0] = lhs, op, rhs
return results
def _format_marker(
marker: Union[List[str], MarkerAtom, str], first: Optional[bool] = True
) -> str:
assert isinstance(marker, (list, tuple, str))
# Sometimes we have a structure like [[...]] which is a single item list
# where the single item is itself it's own list. In that case we want skip
# the rest of this function so that we don't get extraneous () on the
# outside.
if (
isinstance(marker, list)
and len(marker) == 1
and isinstance(marker[0], (list, tuple))
):
return _format_marker(marker[0])
if isinstance(marker, list):
inner = (_format_marker(m, first=False) for m in marker)
if first:
return " ".join(inner)
else:
return "(" + " ".join(inner) + ")"
elif isinstance(marker, tuple):
return " ".join([m.serialize() for m in marker])
else:
return marker
_operators: Dict[str, Operator] = {
"in": lambda lhs, rhs: lhs in rhs,
"not in": lambda lhs, rhs: lhs not in rhs,
"<": operator.lt,
"<=": operator.le,
"==": operator.eq,
"!=": operator.ne,
">=": operator.ge,
">": operator.gt,
}
def _eval_op(lhs: str, op: Op, rhs: str) -> bool:
try:
spec = Specifier("".join([op.serialize(), rhs]))
except InvalidSpecifier:
pass
else:
return spec.contains(lhs, prereleases=True)
oper: Optional[Operator] = _operators.get(op.serialize())
if oper is None:
raise UndefinedComparison(f"Undefined {op!r} on {lhs!r} and {rhs!r}.")
return oper(lhs, rhs)
def _normalize(*values: str, key: str) -> Tuple[str, ...]:
# PEP 685 – Comparison of extra names for optional distribution dependencies
# https://peps.python.org/pep-0685/
# > When comparing extra names, tools MUST normalize the names being
# > compared using the semantics outlined in PEP 503 for names
if key == "extra":
return tuple(canonicalize_name(v) for v in values)
# other environment markers don't have such standards
return values
def _evaluate_markers(markers: MarkerList, environment: Dict[str, str]) -> bool:
groups: List[List[bool]] = [[]]
for marker in markers:
assert isinstance(marker, (list, tuple, str))
if isinstance(marker, list):
groups[-1].append(_evaluate_markers(marker, environment))
elif isinstance(marker, tuple):
lhs, op, rhs = marker
if isinstance(lhs, Variable):
environment_key = lhs.value
lhs_value = environment[environment_key]
rhs_value = rhs.value
else:
lhs_value = lhs.value
environment_key = rhs.value
rhs_value = environment[environment_key]
lhs_value, rhs_value = _normalize(lhs_value, rhs_value, key=environment_key)
groups[-1].append(_eval_op(lhs_value, op, rhs_value))
else:
assert marker in ["and", "or"]
if marker == "or":
groups.append([])
return any(all(item) for item in groups)
def format_full_version(info: "sys._version_info") -> str:
version = "{0.major}.{0.minor}.{0.micro}".format(info)
kind = info.releaselevel
if kind != "final":
version += kind[0] + str(info.serial)
return version
def default_environment() -> Dict[str, str]:
iver = format_full_version(sys.implementation.version)
implementation_name = sys.implementation.name
return {
"implementation_name": implementation_name,
"implementation_version": iver,
"os_name": os.name,
"platform_machine": platform.machine(),
"platform_release": platform.release(),
"platform_system": platform.system(),
"platform_version": platform.version(),
"python_full_version": platform.python_version(),
"platform_python_implementation": platform.python_implementation(),
"python_version": ".".join(platform.python_version_tuple()[:2]),
"sys_platform": sys.platform,
}
class Marker:
def __init__(self, marker: str) -> None:
# Note: We create a Marker object without calling this constructor in
# packaging.requirements.Requirement. If any additional logic is
# added here, make sure to mirror/adapt Requirement.
try:
self._markers = _normalize_extra_values(_parse_marker(marker))
# The attribute `_markers` can be described in terms of a recursive type:
# MarkerList = List[Union[Tuple[Node, ...], str, MarkerList]]
#
# For example, the following expression:
# python_version > "3.6" or (python_version == "3.6" and os_name == "unix")
#
# is parsed into:
# [
# (<Variable('python_version')>, <Op('>')>, <Value('3.6')>),
# 'and',
# [
# (<Variable('python_version')>, <Op('==')>, <Value('3.6')>),
# 'or',
# (<Variable('os_name')>, <Op('==')>, <Value('unix')>)
# ]
# ]
except ParserSyntaxError as e:
raise InvalidMarker(str(e)) from e
def __str__(self) -> str:
return _format_marker(self._markers)
def __repr__(self) -> str:
return f"<Marker('{self}')>"
def __hash__(self) -> int:
return hash((self.__class__.__name__, str(self)))
def __eq__(self, other: Any) -> bool:
if not isinstance(other, Marker):
return NotImplemented
return str(self) == str(other)
def evaluate(self, environment: Optional[Dict[str, str]] = None) -> bool:
"""Evaluate a marker.
Return the boolean from evaluating the given marker against the
environment. environment is an optional argument to override all or
part of the determined environment.
The environment is determined from the current Python process.
"""
current_environment = default_environment()
current_environment["extra"] = ""
if environment is not None:
current_environment.update(environment)
# The API used to allow setting extra to None. We need to handle this
# case for backwards compatibility.
if current_environment["extra"] is None:
current_environment["extra"] = ""
return _evaluate_markers(self._markers, current_environment)

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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 typing import Any, Iterator, Optional, Set
from ._parser import parse_requirement as _parse_requirement
from ._tokenizer import ParserSyntaxError
from .markers import Marker, _normalize_extra_values
from .specifiers import SpecifierSet
from .utils import canonicalize_name
class InvalidRequirement(ValueError):
"""
An invalid requirement was found, users should refer to PEP 508.
"""
class Requirement:
"""Parse a requirement.
Parse a given requirement string into its parts, such as name, specifier,
URL, and extras. Raises InvalidRequirement on a badly-formed requirement
string.
"""
# TODO: Can we test whether something is contained within a requirement?
# If so how do we do that? Do we need to test against the _name_ of
# the thing as well as the version? What about the markers?
# TODO: Can we normalize the name and extra name?
def __init__(self, requirement_string: str) -> None:
try:
parsed = _parse_requirement(requirement_string)
except ParserSyntaxError as e:
raise InvalidRequirement(str(e)) from e
self.name: str = parsed.name
self.url: Optional[str] = parsed.url or None
self.extras: Set[str] = set(parsed.extras if parsed.extras else [])
self.specifier: SpecifierSet = SpecifierSet(parsed.specifier)
self.marker: Optional[Marker] = None
if parsed.marker is not None:
self.marker = Marker.__new__(Marker)
self.marker._markers = _normalize_extra_values(parsed.marker)
def _iter_parts(self, name: str) -> Iterator[str]:
yield name
if self.extras:
formatted_extras = ",".join(sorted(self.extras))
yield f"[{formatted_extras}]"
if self.specifier:
yield str(self.specifier)
if self.url:
yield f"@ {self.url}"
if self.marker:
yield " "
if self.marker:
yield f"; {self.marker}"
def __str__(self) -> str:
return "".join(self._iter_parts(self.name))
def __repr__(self) -> str:
return f"<Requirement('{self}')>"
def __hash__(self) -> int:
return hash(
(
self.__class__.__name__,
*self._iter_parts(canonicalize_name(self.name)),
)
)
def __eq__(self, other: Any) -> bool:
if not isinstance(other, Requirement):
return NotImplemented
return (
canonicalize_name(self.name) == canonicalize_name(other.name)
and self.extras == other.extras
and self.specifier == other.specifier
and self.url == other.url
and self.marker == other.marker
)

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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 logging
import platform
import struct
import subprocess
import sys
import sysconfig
from importlib.machinery import EXTENSION_SUFFIXES
from typing import (
Dict,
FrozenSet,
Iterable,
Iterator,
List,
Optional,
Sequence,
Tuple,
Union,
cast,
)
from . import _manylinux, _musllinux
logger = logging.getLogger(__name__)
PythonVersion = Sequence[int]
MacVersion = Tuple[int, int]
INTERPRETER_SHORT_NAMES: Dict[str, str] = {
"python": "py", # Generic.
"cpython": "cp",
"pypy": "pp",
"ironpython": "ip",
"jython": "jy",
}
_32_BIT_INTERPRETER = struct.calcsize("P") == 4
class Tag:
"""
A representation of the tag triple for a wheel.
Instances are considered immutable and thus are hashable. Equality checking
is also supported.
"""
__slots__ = ["_interpreter", "_abi", "_platform", "_hash"]
def __init__(self, interpreter: str, abi: str, platform: str) -> None:
self._interpreter = interpreter.lower()
self._abi = abi.lower()
self._platform = platform.lower()
# The __hash__ of every single element in a Set[Tag] will be evaluated each time
# that a set calls its `.disjoint()` method, which may be called hundreds of
# times when scanning a page of links for packages with tags matching that
# Set[Tag]. Pre-computing the value here produces significant speedups for
# downstream consumers.
self._hash = hash((self._interpreter, self._abi, self._platform))
@property
def interpreter(self) -> str:
return self._interpreter
@property
def abi(self) -> str:
return self._abi
@property
def platform(self) -> str:
return self._platform
def __eq__(self, other: object) -> bool:
if not isinstance(other, Tag):
return NotImplemented
return (
(self._hash == other._hash) # Short-circuit ASAP for perf reasons.
and (self._platform == other._platform)
and (self._abi == other._abi)
and (self._interpreter == other._interpreter)
)
def __hash__(self) -> int:
return self._hash
def __str__(self) -> str:
return f"{self._interpreter}-{self._abi}-{self._platform}"
def __repr__(self) -> str:
return f"<{self} @ {id(self)}>"
def parse_tag(tag: str) -> FrozenSet[Tag]:
"""
Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances.
Returning a set is required due to the possibility that the tag is a
compressed tag set.
"""
tags = set()
interpreters, abis, platforms = tag.split("-")
for interpreter in interpreters.split("."):
for abi in abis.split("."):
for platform_ in platforms.split("."):
tags.add(Tag(interpreter, abi, platform_))
return frozenset(tags)
def _get_config_var(name: str, warn: bool = False) -> Union[int, str, None]:
value: Union[int, str, None] = sysconfig.get_config_var(name)
if value is None and warn:
logger.debug(
"Config variable '%s' is unset, Python ABI tag may be incorrect", name
)
return value
def _normalize_string(string: str) -> str:
return string.replace(".", "_").replace("-", "_").replace(" ", "_")
def _abi3_applies(python_version: PythonVersion) -> bool:
"""
Determine if the Python version supports abi3.
PEP 384 was first implemented in Python 3.2.
"""
return len(python_version) > 1 and tuple(python_version) >= (3, 2)
def _cpython_abis(py_version: PythonVersion, warn: bool = False) -> List[str]:
py_version = tuple(py_version) # To allow for version comparison.
abis = []
version = _version_nodot(py_version[:2])
debug = pymalloc = ucs4 = ""
with_debug = _get_config_var("Py_DEBUG", warn)
has_refcount = hasattr(sys, "gettotalrefcount")
# Windows doesn't set Py_DEBUG, so checking for support of debug-compiled
# extension modules is the best option.
# https://github.com/pypa/pip/issues/3383#issuecomment-173267692
has_ext = "_d.pyd" in EXTENSION_SUFFIXES
if with_debug or (with_debug is None and (has_refcount or has_ext)):
debug = "d"
if py_version < (3, 8):
with_pymalloc = _get_config_var("WITH_PYMALLOC", warn)
if with_pymalloc or with_pymalloc is None:
pymalloc = "m"
if py_version < (3, 3):
unicode_size = _get_config_var("Py_UNICODE_SIZE", warn)
if unicode_size == 4 or (
unicode_size is None and sys.maxunicode == 0x10FFFF
):
ucs4 = "u"
elif debug:
# Debug builds can also load "normal" extension modules.
# We can also assume no UCS-4 or pymalloc requirement.
abis.append(f"cp{version}")
abis.insert(
0,
"cp{version}{debug}{pymalloc}{ucs4}".format(
version=version, debug=debug, pymalloc=pymalloc, ucs4=ucs4
),
)
return abis
def cpython_tags(
python_version: Optional[PythonVersion] = None,
abis: Optional[Iterable[str]] = None,
platforms: Optional[Iterable[str]] = None,
*,
warn: bool = False,
) -> Iterator[Tag]:
"""
Yields the tags for a CPython interpreter.
The tags consist of:
- cp<python_version>-<abi>-<platform>
- cp<python_version>-abi3-<platform>
- cp<python_version>-none-<platform>
- cp<less than python_version>-abi3-<platform> # Older Python versions down to 3.2.
If python_version only specifies a major version then user-provided ABIs and
the 'none' ABItag will be used.
If 'abi3' or 'none' are specified in 'abis' then they will be yielded at
their normal position and not at the beginning.
"""
if not python_version:
python_version = sys.version_info[:2]
interpreter = f"cp{_version_nodot(python_version[:2])}"
if abis is None:
if len(python_version) > 1:
abis = _cpython_abis(python_version, warn)
else:
abis = []
abis = list(abis)
# 'abi3' and 'none' are explicitly handled later.
for explicit_abi in ("abi3", "none"):
try:
abis.remove(explicit_abi)
except ValueError:
pass
platforms = list(platforms or platform_tags())
for abi in abis:
for platform_ in platforms:
yield Tag(interpreter, abi, platform_)
if _abi3_applies(python_version):
yield from (Tag(interpreter, "abi3", platform_) for platform_ in platforms)
yield from (Tag(interpreter, "none", platform_) for platform_ in platforms)
if _abi3_applies(python_version):
for minor_version in range(python_version[1] - 1, 1, -1):
for platform_ in platforms:
interpreter = "cp{version}".format(
version=_version_nodot((python_version[0], minor_version))
)
yield Tag(interpreter, "abi3", platform_)
def _generic_abi() -> List[str]:
"""
Return the ABI tag based on EXT_SUFFIX.
"""
# The following are examples of `EXT_SUFFIX`.
# We want to keep the parts which are related to the ABI and remove the
# parts which are related to the platform:
# - linux: '.cpython-310-x86_64-linux-gnu.so' => cp310
# - mac: '.cpython-310-darwin.so' => cp310
# - win: '.cp310-win_amd64.pyd' => cp310
# - win: '.pyd' => cp37 (uses _cpython_abis())
# - pypy: '.pypy38-pp73-x86_64-linux-gnu.so' => pypy38_pp73
# - graalpy: '.graalpy-38-native-x86_64-darwin.dylib'
# => graalpy_38_native
ext_suffix = _get_config_var("EXT_SUFFIX", warn=True)
if not isinstance(ext_suffix, str) or ext_suffix[0] != ".":
raise SystemError("invalid sysconfig.get_config_var('EXT_SUFFIX')")
parts = ext_suffix.split(".")
if len(parts) < 3:
# CPython3.7 and earlier uses ".pyd" on Windows.
return _cpython_abis(sys.version_info[:2])
soabi = parts[1]
if soabi.startswith("cpython"):
# non-windows
abi = "cp" + soabi.split("-")[1]
elif soabi.startswith("cp"):
# windows
abi = soabi.split("-")[0]
elif soabi.startswith("pypy"):
abi = "-".join(soabi.split("-")[:2])
elif soabi.startswith("graalpy"):
abi = "-".join(soabi.split("-")[:3])
elif soabi:
# pyston, ironpython, others?
abi = soabi
else:
return []
return [_normalize_string(abi)]
def generic_tags(
interpreter: Optional[str] = None,
abis: Optional[Iterable[str]] = None,
platforms: Optional[Iterable[str]] = None,
*,
warn: bool = False,
) -> Iterator[Tag]:
"""
Yields the tags for a generic interpreter.
The tags consist of:
- <interpreter>-<abi>-<platform>
The "none" ABI will be added if it was not explicitly provided.
"""
if not interpreter:
interp_name = interpreter_name()
interp_version = interpreter_version(warn=warn)
interpreter = "".join([interp_name, interp_version])
if abis is None:
abis = _generic_abi()
else:
abis = list(abis)
platforms = list(platforms or platform_tags())
if "none" not in abis:
abis.append("none")
for abi in abis:
for platform_ in platforms:
yield Tag(interpreter, abi, platform_)
def _py_interpreter_range(py_version: PythonVersion) -> Iterator[str]:
"""
Yields Python versions in descending order.
After the latest version, the major-only version will be yielded, and then
all previous versions of that major version.
"""
if len(py_version) > 1:
yield f"py{_version_nodot(py_version[:2])}"
yield f"py{py_version[0]}"
if len(py_version) > 1:
for minor in range(py_version[1] - 1, -1, -1):
yield f"py{_version_nodot((py_version[0], minor))}"
def compatible_tags(
python_version: Optional[PythonVersion] = None,
interpreter: Optional[str] = None,
platforms: Optional[Iterable[str]] = None,
) -> Iterator[Tag]:
"""
Yields the sequence of tags that are compatible with a specific version of Python.
The tags consist of:
- py*-none-<platform>
- <interpreter>-none-any # ... if `interpreter` is provided.
- py*-none-any
"""
if not python_version:
python_version = sys.version_info[:2]
platforms = list(platforms or platform_tags())
for version in _py_interpreter_range(python_version):
for platform_ in platforms:
yield Tag(version, "none", platform_)
if interpreter:
yield Tag(interpreter, "none", "any")
for version in _py_interpreter_range(python_version):
yield Tag(version, "none", "any")
def _mac_arch(arch: str, is_32bit: bool = _32_BIT_INTERPRETER) -> str:
if not is_32bit:
return arch
if arch.startswith("ppc"):
return "ppc"
return "i386"
def _mac_binary_formats(version: MacVersion, cpu_arch: str) -> List[str]:
formats = [cpu_arch]
if cpu_arch == "x86_64":
if version < (10, 4):
return []
formats.extend(["intel", "fat64", "fat32"])
elif cpu_arch == "i386":
if version < (10, 4):
return []
formats.extend(["intel", "fat32", "fat"])
elif cpu_arch == "ppc64":
# TODO: Need to care about 32-bit PPC for ppc64 through 10.2?
if version > (10, 5) or version < (10, 4):
return []
formats.append("fat64")
elif cpu_arch == "ppc":
if version > (10, 6):
return []
formats.extend(["fat32", "fat"])
if cpu_arch in {"arm64", "x86_64"}:
formats.append("universal2")
if cpu_arch in {"x86_64", "i386", "ppc64", "ppc", "intel"}:
formats.append("universal")
return formats
def mac_platforms(
version: Optional[MacVersion] = None, arch: Optional[str] = None
) -> Iterator[str]:
"""
Yields the platform tags for a macOS system.
The `version` parameter is a two-item tuple specifying the macOS version to
generate platform tags for. The `arch` parameter is the CPU architecture to
generate platform tags for. Both parameters default to the appropriate value
for the current system.
"""
version_str, _, cpu_arch = platform.mac_ver()
if version is None:
version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2])))
if version == (10, 16):
# When built against an older macOS SDK, Python will report macOS 10.16
# instead of the real version.
version_str = subprocess.run(
[
sys.executable,
"-sS",
"-c",
"import platform; print(platform.mac_ver()[0])",
],
check=True,
env={"SYSTEM_VERSION_COMPAT": "0"},
stdout=subprocess.PIPE,
text=True,
).stdout
version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2])))
else:
version = version
if arch is None:
arch = _mac_arch(cpu_arch)
else:
arch = arch
if (10, 0) <= version and version < (11, 0):
# Prior to Mac OS 11, each yearly release of Mac OS bumped the
# "minor" version number. The major version was always 10.
for minor_version in range(version[1], -1, -1):
compat_version = 10, minor_version
binary_formats = _mac_binary_formats(compat_version, arch)
for binary_format in binary_formats:
yield "macosx_{major}_{minor}_{binary_format}".format(
major=10, minor=minor_version, binary_format=binary_format
)
if version >= (11, 0):
# Starting with Mac OS 11, each yearly release bumps the major version
# number. The minor versions are now the midyear updates.
for major_version in range(version[0], 10, -1):
compat_version = major_version, 0
binary_formats = _mac_binary_formats(compat_version, arch)
for binary_format in binary_formats:
yield "macosx_{major}_{minor}_{binary_format}".format(
major=major_version, minor=0, binary_format=binary_format
)
if version >= (11, 0):
# Mac OS 11 on x86_64 is compatible with binaries from previous releases.
# Arm64 support was introduced in 11.0, so no Arm binaries from previous
# releases exist.
#
# However, the "universal2" binary format can have a
# macOS version earlier than 11.0 when the x86_64 part of the binary supports
# that version of macOS.
if arch == "x86_64":
for minor_version in range(16, 3, -1):
compat_version = 10, minor_version
binary_formats = _mac_binary_formats(compat_version, arch)
for binary_format in binary_formats:
yield "macosx_{major}_{minor}_{binary_format}".format(
major=compat_version[0],
minor=compat_version[1],
binary_format=binary_format,
)
else:
for minor_version in range(16, 3, -1):
compat_version = 10, minor_version
binary_format = "universal2"
yield "macosx_{major}_{minor}_{binary_format}".format(
major=compat_version[0],
minor=compat_version[1],
binary_format=binary_format,
)
def _linux_platforms(is_32bit: bool = _32_BIT_INTERPRETER) -> Iterator[str]:
linux = _normalize_string(sysconfig.get_platform())
if not linux.startswith("linux_"):
# we should never be here, just yield the sysconfig one and return
yield linux
return
if is_32bit:
if linux == "linux_x86_64":
linux = "linux_i686"
elif linux == "linux_aarch64":
linux = "linux_armv8l"
_, arch = linux.split("_", 1)
archs = {"armv8l": ["armv8l", "armv7l"]}.get(arch, [arch])
yield from _manylinux.platform_tags(archs)
yield from _musllinux.platform_tags(archs)
for arch in archs:
yield f"linux_{arch}"
def _generic_platforms() -> Iterator[str]:
yield _normalize_string(sysconfig.get_platform())
def platform_tags() -> Iterator[str]:
"""
Provides the platform tags for this installation.
"""
if platform.system() == "Darwin":
return mac_platforms()
elif platform.system() == "Linux":
return _linux_platforms()
else:
return _generic_platforms()
def interpreter_name() -> str:
"""
Returns the name of the running interpreter.
Some implementations have a reserved, two-letter abbreviation which will
be returned when appropriate.
"""
name = sys.implementation.name
return INTERPRETER_SHORT_NAMES.get(name) or name
def interpreter_version(*, warn: bool = False) -> str:
"""
Returns the version of the running interpreter.
"""
version = _get_config_var("py_version_nodot", warn=warn)
if version:
version = str(version)
else:
version = _version_nodot(sys.version_info[:2])
return version
def _version_nodot(version: PythonVersion) -> str:
return "".join(map(str, version))
def sys_tags(*, warn: bool = False) -> Iterator[Tag]:
"""
Returns the sequence of tag triples for the running interpreter.
The order of the sequence corresponds to priority order for the
interpreter, from most to least important.
"""
interp_name = interpreter_name()
if interp_name == "cp":
yield from cpython_tags(warn=warn)
else:
yield from generic_tags()
if interp_name == "pp":
interp = "pp3"
elif interp_name == "cp":
interp = "cp" + interpreter_version(warn=warn)
else:
interp = None
yield from compatible_tags(interpreter=interp)

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@ -1,172 +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 re
from typing import FrozenSet, NewType, Tuple, Union, cast
from .tags import Tag, parse_tag
from .version import InvalidVersion, Version
BuildTag = Union[Tuple[()], Tuple[int, str]]
NormalizedName = NewType("NormalizedName", str)
class InvalidName(ValueError):
"""
An invalid distribution name; users should refer to the packaging user guide.
"""
class InvalidWheelFilename(ValueError):
"""
An invalid wheel filename was found, users should refer to PEP 427.
"""
class InvalidSdistFilename(ValueError):
"""
An invalid sdist filename was found, users should refer to the packaging user guide.
"""
# Core metadata spec for `Name`
_validate_regex = re.compile(
r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$", re.IGNORECASE
)
_canonicalize_regex = re.compile(r"[-_.]+")
_normalized_regex = re.compile(r"^([a-z0-9]|[a-z0-9]([a-z0-9-](?!--))*[a-z0-9])$")
# PEP 427: The build number must start with a digit.
_build_tag_regex = re.compile(r"(\d+)(.*)")
def canonicalize_name(name: str, *, validate: bool = False) -> NormalizedName:
if validate and not _validate_regex.match(name):
raise InvalidName(f"name is invalid: {name!r}")
# This is taken from PEP 503.
value = _canonicalize_regex.sub("-", name).lower()
return cast(NormalizedName, value)
def is_normalized_name(name: str) -> bool:
return _normalized_regex.match(name) is not None
def canonicalize_version(
version: Union[Version, str], *, strip_trailing_zero: bool = True
) -> str:
"""
This is very similar to Version.__str__, but has one subtle difference
with the way it handles the release segment.
"""
if isinstance(version, str):
try:
parsed = Version(version)
except InvalidVersion:
# Legacy versions cannot be normalized
return version
else:
parsed = version
parts = []
# Epoch
if parsed.epoch != 0:
parts.append(f"{parsed.epoch}!")
# Release segment
release_segment = ".".join(str(x) for x in parsed.release)
if strip_trailing_zero:
# NB: This strips trailing '.0's to normalize
release_segment = re.sub(r"(\.0)+$", "", release_segment)
parts.append(release_segment)
# Pre-release
if parsed.pre is not None:
parts.append("".join(str(x) for x in parsed.pre))
# Post-release
if parsed.post is not None:
parts.append(f".post{parsed.post}")
# Development release
if parsed.dev is not None:
parts.append(f".dev{parsed.dev}")
# Local version segment
if parsed.local is not None:
parts.append(f"+{parsed.local}")
return "".join(parts)
def parse_wheel_filename(
filename: str,
) -> Tuple[NormalizedName, Version, BuildTag, FrozenSet[Tag]]:
if not filename.endswith(".whl"):
raise InvalidWheelFilename(
f"Invalid wheel filename (extension must be '.whl'): {filename}"
)
filename = filename[:-4]
dashes = filename.count("-")
if dashes not in (4, 5):
raise InvalidWheelFilename(
f"Invalid wheel filename (wrong number of parts): {filename}"
)
parts = filename.split("-", dashes - 2)
name_part = parts[0]
# See PEP 427 for the rules on escaping the project name.
if "__" in name_part or re.match(r"^[\w\d._]*$", name_part, re.UNICODE) is None:
raise InvalidWheelFilename(f"Invalid project name: {filename}")
name = canonicalize_name(name_part)
try:
version = Version(parts[1])
except InvalidVersion as e:
raise InvalidWheelFilename(
f"Invalid wheel filename (invalid version): {filename}"
) from e
if dashes == 5:
build_part = parts[2]
build_match = _build_tag_regex.match(build_part)
if build_match is None:
raise InvalidWheelFilename(
f"Invalid build number: {build_part} in '{filename}'"
)
build = cast(BuildTag, (int(build_match.group(1)), build_match.group(2)))
else:
build = ()
tags = parse_tag(parts[-1])
return (name, version, build, tags)
def parse_sdist_filename(filename: str) -> Tuple[NormalizedName, Version]:
if filename.endswith(".tar.gz"):
file_stem = filename[: -len(".tar.gz")]
elif filename.endswith(".zip"):
file_stem = filename[: -len(".zip")]
else:
raise InvalidSdistFilename(
f"Invalid sdist filename (extension must be '.tar.gz' or '.zip'):"
f" {filename}"
)
# We are requiring a PEP 440 version, which cannot contain dashes,
# so we split on the last dash.
name_part, sep, version_part = file_stem.rpartition("-")
if not sep:
raise InvalidSdistFilename(f"Invalid sdist filename: {filename}")
name = canonicalize_name(name_part)
try:
version = Version(version_part)
except InvalidVersion as e:
raise InvalidSdistFilename(
f"Invalid sdist filename (invalid version): {filename}"
) from e
return (name, version)

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@ -1,563 +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.
"""
.. testsetup::
from packaging.version import parse, Version
"""
import itertools
import re
from typing import Any, Callable, NamedTuple, Optional, SupportsInt, Tuple, Union
from ._structures import Infinity, InfinityType, NegativeInfinity, NegativeInfinityType
__all__ = ["VERSION_PATTERN", "parse", "Version", "InvalidVersion"]
LocalType = Tuple[Union[int, str], ...]
CmpPrePostDevType = Union[InfinityType, NegativeInfinityType, Tuple[str, int]]
CmpLocalType = Union[
NegativeInfinityType,
Tuple[Union[Tuple[int, str], Tuple[NegativeInfinityType, Union[int, str]]], ...],
]
CmpKey = Tuple[
int,
Tuple[int, ...],
CmpPrePostDevType,
CmpPrePostDevType,
CmpPrePostDevType,
CmpLocalType,
]
VersionComparisonMethod = Callable[[CmpKey, CmpKey], bool]
class _Version(NamedTuple):
epoch: int
release: Tuple[int, ...]
dev: Optional[Tuple[str, int]]
pre: Optional[Tuple[str, int]]
post: Optional[Tuple[str, int]]
local: Optional[LocalType]
def parse(version: str) -> "Version":
"""Parse the given version string.
>>> parse('1.0.dev1')
<Version('1.0.dev1')>
:param version: The version string to parse.
:raises InvalidVersion: When the version string is not a valid version.
"""
return Version(version)
class InvalidVersion(ValueError):
"""Raised when a version string is not a valid version.
>>> Version("invalid")
Traceback (most recent call last):
...
packaging.version.InvalidVersion: Invalid version: 'invalid'
"""
class _BaseVersion:
_key: Tuple[Any, ...]
def __hash__(self) -> int:
return hash(self._key)
# Please keep the duplicated `isinstance` check
# in the six comparisons hereunder
# unless you find a way to avoid adding overhead function calls.
def __lt__(self, other: "_BaseVersion") -> bool:
if not isinstance(other, _BaseVersion):
return NotImplemented
return self._key < other._key
def __le__(self, other: "_BaseVersion") -> bool:
if not isinstance(other, _BaseVersion):
return NotImplemented
return self._key <= other._key
def __eq__(self, other: object) -> bool:
if not isinstance(other, _BaseVersion):
return NotImplemented
return self._key == other._key
def __ge__(self, other: "_BaseVersion") -> bool:
if not isinstance(other, _BaseVersion):
return NotImplemented
return self._key >= other._key
def __gt__(self, other: "_BaseVersion") -> bool:
if not isinstance(other, _BaseVersion):
return NotImplemented
return self._key > other._key
def __ne__(self, other: object) -> bool:
if not isinstance(other, _BaseVersion):
return NotImplemented
return self._key != other._key
# Deliberately not anchored to the start and end of the string, to make it
# easier for 3rd party code to reuse
_VERSION_PATTERN = r"""
v?
(?:
(?:(?P<epoch>[0-9]+)!)? # epoch
(?P<release>[0-9]+(?:\.[0-9]+)*) # release segment
(?P<pre> # pre-release
[-_\.]?
(?P<pre_l>alpha|a|beta|b|preview|pre|c|rc)
[-_\.]?
(?P<pre_n>[0-9]+)?
)?
(?P<post> # post release
(?:-(?P<post_n1>[0-9]+))
|
(?:
[-_\.]?
(?P<post_l>post|rev|r)
[-_\.]?
(?P<post_n2>[0-9]+)?
)
)?
(?P<dev> # dev release
[-_\.]?
(?P<dev_l>dev)
[-_\.]?
(?P<dev_n>[0-9]+)?
)?
)
(?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version
"""
VERSION_PATTERN = _VERSION_PATTERN
"""
A string containing the regular expression used to match a valid version.
The pattern is not anchored at either end, and is intended for embedding in larger
expressions (for example, matching a version number as part of a file name). The
regular expression should be compiled with the ``re.VERBOSE`` and ``re.IGNORECASE``
flags set.
:meta hide-value:
"""
class Version(_BaseVersion):
"""This class abstracts handling of a project's versions.
A :class:`Version` instance is comparison aware and can be compared and
sorted using the standard Python interfaces.
>>> v1 = Version("1.0a5")
>>> v2 = Version("1.0")
>>> v1
<Version('1.0a5')>
>>> v2
<Version('1.0')>
>>> v1 < v2
True
>>> v1 == v2
False
>>> v1 > v2
False
>>> v1 >= v2
False
>>> v1 <= v2
True
"""
_regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE)
_key: CmpKey
def __init__(self, version: str) -> None:
"""Initialize a Version object.
:param version:
The string representation of a version which will be parsed and normalized
before use.
:raises InvalidVersion:
If the ``version`` does not conform to PEP 440 in any way then this
exception will be raised.
"""
# Validate the version and parse it into pieces
match = self._regex.search(version)
if not match:
raise InvalidVersion(f"Invalid version: '{version}'")
# Store the parsed out pieces of the version
self._version = _Version(
epoch=int(match.group("epoch")) if match.group("epoch") else 0,
release=tuple(int(i) for i in match.group("release").split(".")),
pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")),
post=_parse_letter_version(
match.group("post_l"), match.group("post_n1") or match.group("post_n2")
),
dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")),
local=_parse_local_version(match.group("local")),
)
# Generate a key which will be used for sorting
self._key = _cmpkey(
self._version.epoch,
self._version.release,
self._version.pre,
self._version.post,
self._version.dev,
self._version.local,
)
def __repr__(self) -> str:
"""A representation of the Version that shows all internal state.
>>> Version('1.0.0')
<Version('1.0.0')>
"""
return f"<Version('{self}')>"
def __str__(self) -> str:
"""A string representation of the version that can be rounded-tripped.
>>> str(Version("1.0a5"))
'1.0a5'
"""
parts = []
# Epoch
if self.epoch != 0:
parts.append(f"{self.epoch}!")
# Release segment
parts.append(".".join(str(x) for x in self.release))
# Pre-release
if self.pre is not None:
parts.append("".join(str(x) for x in self.pre))
# Post-release
if self.post is not None:
parts.append(f".post{self.post}")
# Development release
if self.dev is not None:
parts.append(f".dev{self.dev}")
# Local version segment
if self.local is not None:
parts.append(f"+{self.local}")
return "".join(parts)
@property
def epoch(self) -> int:
"""The epoch of the version.
>>> Version("2.0.0").epoch
0
>>> Version("1!2.0.0").epoch
1
"""
return self._version.epoch
@property
def release(self) -> Tuple[int, ...]:
"""The components of the "release" segment of the version.
>>> Version("1.2.3").release
(1, 2, 3)
>>> Version("2.0.0").release
(2, 0, 0)
>>> Version("1!2.0.0.post0").release
(2, 0, 0)
Includes trailing zeroes but not the epoch or any pre-release / development /
post-release suffixes.
"""
return self._version.release
@property
def pre(self) -> Optional[Tuple[str, int]]:
"""The pre-release segment of the version.
>>> print(Version("1.2.3").pre)
None
>>> Version("1.2.3a1").pre
('a', 1)
>>> Version("1.2.3b1").pre
('b', 1)
>>> Version("1.2.3rc1").pre
('rc', 1)
"""
return self._version.pre
@property
def post(self) -> Optional[int]:
"""The post-release number of the version.
>>> print(Version("1.2.3").post)
None
>>> Version("1.2.3.post1").post
1
"""
return self._version.post[1] if self._version.post else None
@property
def dev(self) -> Optional[int]:
"""The development number of the version.
>>> print(Version("1.2.3").dev)
None
>>> Version("1.2.3.dev1").dev
1
"""
return self._version.dev[1] if self._version.dev else None
@property
def local(self) -> Optional[str]:
"""The local version segment of the version.
>>> print(Version("1.2.3").local)
None
>>> Version("1.2.3+abc").local
'abc'
"""
if self._version.local:
return ".".join(str(x) for x in self._version.local)
else:
return None
@property
def public(self) -> str:
"""The public portion of the version.
>>> Version("1.2.3").public
'1.2.3'
>>> Version("1.2.3+abc").public
'1.2.3'
>>> Version("1.2.3+abc.dev1").public
'1.2.3'
"""
return str(self).split("+", 1)[0]
@property
def base_version(self) -> str:
"""The "base version" of the version.
>>> Version("1.2.3").base_version
'1.2.3'
>>> Version("1.2.3+abc").base_version
'1.2.3'
>>> Version("1!1.2.3+abc.dev1").base_version
'1!1.2.3'
The "base version" is the public version of the project without any pre or post
release markers.
"""
parts = []
# Epoch
if self.epoch != 0:
parts.append(f"{self.epoch}!")
# Release segment
parts.append(".".join(str(x) for x in self.release))
return "".join(parts)
@property
def is_prerelease(self) -> bool:
"""Whether this version is a pre-release.
>>> Version("1.2.3").is_prerelease
False
>>> Version("1.2.3a1").is_prerelease
True
>>> Version("1.2.3b1").is_prerelease
True
>>> Version("1.2.3rc1").is_prerelease
True
>>> Version("1.2.3dev1").is_prerelease
True
"""
return self.dev is not None or self.pre is not None
@property
def is_postrelease(self) -> bool:
"""Whether this version is a post-release.
>>> Version("1.2.3").is_postrelease
False
>>> Version("1.2.3.post1").is_postrelease
True
"""
return self.post is not None
@property
def is_devrelease(self) -> bool:
"""Whether this version is a development release.
>>> Version("1.2.3").is_devrelease
False
>>> Version("1.2.3.dev1").is_devrelease
True
"""
return self.dev is not None
@property
def major(self) -> int:
"""The first item of :attr:`release` or ``0`` if unavailable.
>>> Version("1.2.3").major
1
"""
return self.release[0] if len(self.release) >= 1 else 0
@property
def minor(self) -> int:
"""The second item of :attr:`release` or ``0`` if unavailable.
>>> Version("1.2.3").minor
2
>>> Version("1").minor
0
"""
return self.release[1] if len(self.release) >= 2 else 0
@property
def micro(self) -> int:
"""The third item of :attr:`release` or ``0`` if unavailable.
>>> Version("1.2.3").micro
3
>>> Version("1").micro
0
"""
return self.release[2] if len(self.release) >= 3 else 0
def _parse_letter_version(
letter: Optional[str], number: Union[str, bytes, SupportsInt, None]
) -> Optional[Tuple[str, int]]:
if letter:
# We consider there to be an implicit 0 in a pre-release if there is
# not a numeral associated with it.
if number is None:
number = 0
# We normalize any letters to their lower case form
letter = letter.lower()
# We consider some words to be alternate spellings of other words and
# in those cases we want to normalize the spellings to our preferred
# spelling.
if letter == "alpha":
letter = "a"
elif letter == "beta":
letter = "b"
elif letter in ["c", "pre", "preview"]:
letter = "rc"
elif letter in ["rev", "r"]:
letter = "post"
return letter, int(number)
if not letter and number:
# We assume if we are given a number, but we are not given a letter
# then this is using the implicit post release syntax (e.g. 1.0-1)
letter = "post"
return letter, int(number)
return None
_local_version_separators = re.compile(r"[\._-]")
def _parse_local_version(local: Optional[str]) -> Optional[LocalType]:
"""
Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
"""
if local is not None:
return tuple(
part.lower() if not part.isdigit() else int(part)
for part in _local_version_separators.split(local)
)
return None
def _cmpkey(
epoch: int,
release: Tuple[int, ...],
pre: Optional[Tuple[str, int]],
post: Optional[Tuple[str, int]],
dev: Optional[Tuple[str, int]],
local: Optional[LocalType],
) -> CmpKey:
# When we compare a release version, we want to compare it with all of the
# trailing zeros removed. So we'll use a reverse the list, drop all the now
# leading zeros until we come to something non zero, then take the rest
# re-reverse it back into the correct order and make it a tuple and use
# that for our sorting key.
_release = tuple(
reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
)
# We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0.
# We'll do this by abusing the pre segment, but we _only_ want to do this
# if there is not a pre or a post segment. If we have one of those then
# the normal sorting rules will handle this case correctly.
if pre is None and post is None and dev is not None:
_pre: CmpPrePostDevType = NegativeInfinity
# Versions without a pre-release (except as noted above) should sort after
# those with one.
elif pre is None:
_pre = Infinity
else:
_pre = pre
# Versions without a post segment should sort before those with one.
if post is None:
_post: CmpPrePostDevType = NegativeInfinity
else:
_post = post
# Versions without a development segment should sort after those with one.
if dev is None:
_dev: CmpPrePostDevType = Infinity
else:
_dev = dev
if local is None:
# Versions without a local segment should sort before those with one.
_local: CmpLocalType = NegativeInfinity
else:
# Versions with a local segment need that segment parsed to implement
# the sorting rules in PEP440.
# - Alpha numeric segments sort before numeric segments
# - Alpha numeric segments sort lexicographically
# - Numeric segments sort numerically
# - Shorter versions sort before longer versions when the prefixes
# match exactly
_local = tuple(
(i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local
)
return epoch, _release, _pre, _post, _dev, _local

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.eggs/wheel-0.42.0-py3.12.egg/wheel/vendored/vendor.txt
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packaging==23.2

196
.eggs/wheel-0.42.0-py3.12.egg/wheel/wheelfile.py
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@ -1,196 +0,0 @@
from __future__ import annotations
import csv
import hashlib
import os.path
import re
import stat
import time
from io import StringIO, TextIOWrapper
from zipfile import ZIP_DEFLATED, ZipFile, ZipInfo
from wheel.cli import WheelError
from wheel.util import log, urlsafe_b64decode, urlsafe_b64encode
# Non-greedy matching of an optional build number may be too clever (more
# invalid wheel filenames will match). Separate regex for .dist-info?
WHEEL_INFO_RE = re.compile(
r"""^(?P<namever>(?P<name>[^\s-]+?)-(?P<ver>[^\s-]+?))(-(?P<build>\d[^\s-]*))?
-(?P<pyver>[^\s-]+?)-(?P<abi>[^\s-]+?)-(?P<plat>\S+)\.whl$""",
re.VERBOSE,
)
MINIMUM_TIMESTAMP = 315532800 # 1980-01-01 00:00:00 UTC
def get_zipinfo_datetime(timestamp=None):
# Some applications need reproducible .whl files, but they can't do this without
# forcing the timestamp of the individual ZipInfo objects. See issue #143.
timestamp = int(os.environ.get("SOURCE_DATE_EPOCH", timestamp or time.time()))
timestamp = max(timestamp, MINIMUM_TIMESTAMP)
return time.gmtime(timestamp)[0:6]
class WheelFile(ZipFile):
"""A ZipFile derivative class that also reads SHA-256 hashes from
.dist-info/RECORD and checks any read files against those.
"""
_default_algorithm = hashlib.sha256
def __init__(self, file, mode="r", compression=ZIP_DEFLATED):
basename = os.path.basename(file)
self.parsed_filename = WHEEL_INFO_RE.match(basename)
if not basename.endswith(".whl") or self.parsed_filename is None:
raise WheelError(f"Bad wheel filename {basename!r}")
ZipFile.__init__(self, file, mode, compression=compression, allowZip64=True)
self.dist_info_path = "{}.dist-info".format(
self.parsed_filename.group("namever")
)
self.record_path = self.dist_info_path + "/RECORD"
self._file_hashes = {}
self._file_sizes = {}
if mode == "r":
# Ignore RECORD and any embedded wheel signatures
self._file_hashes[self.record_path] = None, None
self._file_hashes[self.record_path + ".jws"] = None, None
self._file_hashes[self.record_path + ".p7s"] = None, None
# Fill in the expected hashes by reading them from RECORD
try:
record = self.open(self.record_path)
except KeyError:
raise WheelError(f"Missing {self.record_path} file") from None
with record:
for line in csv.reader(
TextIOWrapper(record, newline="", encoding="utf-8")
):
path, hash_sum, size = line
if not hash_sum:
continue
algorithm, hash_sum = hash_sum.split("=")
try:
hashlib.new(algorithm)
except ValueError:
raise WheelError(
f"Unsupported hash algorithm: {algorithm}"
) from None
if algorithm.lower() in {"md5", "sha1"}:
raise WheelError(
"Weak hash algorithm ({}) is not permitted by PEP "
"427".format(algorithm)
)
self._file_hashes[path] = (
algorithm,
urlsafe_b64decode(hash_sum.encode("ascii")),
)
def open(self, name_or_info, mode="r", pwd=None):
def _update_crc(newdata):
eof = ef._eof
update_crc_orig(newdata)
running_hash.update(newdata)
if eof and running_hash.digest() != expected_hash:
raise WheelError(f"Hash mismatch for file '{ef_name}'")
ef_name = (
name_or_info.filename if isinstance(name_or_info, ZipInfo) else name_or_info
)
if (
mode == "r"
and not ef_name.endswith("/")
and ef_name not in self._file_hashes
):
raise WheelError(f"No hash found for file '{ef_name}'")
ef = ZipFile.open(self, name_or_info, mode, pwd)
if mode == "r" and not ef_name.endswith("/"):
algorithm, expected_hash = self._file_hashes[ef_name]
if expected_hash is not None:
# Monkey patch the _update_crc method to also check for the hash from
# RECORD
running_hash = hashlib.new(algorithm)
update_crc_orig, ef._update_crc = ef._update_crc, _update_crc
return ef
def write_files(self, base_dir):
log.info(f"creating '{self.filename}' and adding '{base_dir}' to it")
deferred = []
for root, dirnames, filenames in os.walk(base_dir):
# Sort the directory names so that `os.walk` will walk them in a
# defined order on the next iteration.
dirnames.sort()
for name in sorted(filenames):
path = os.path.normpath(os.path.join(root, name))
if os.path.isfile(path):
arcname = os.path.relpath(path, base_dir).replace(os.path.sep, "/")
if arcname == self.record_path:
pass
elif root.endswith(".dist-info"):
deferred.append((path, arcname))
else:
self.write(path, arcname)
deferred.sort()
for path, arcname in deferred:
self.write(path, arcname)
def write(self, filename, arcname=None, compress_type=None):
with open(filename, "rb") as f:
st = os.fstat(f.fileno())
data = f.read()
zinfo = ZipInfo(
arcname or filename, date_time=get_zipinfo_datetime(st.st_mtime)
)
zinfo.external_attr = (stat.S_IMODE(st.st_mode) | stat.S_IFMT(st.st_mode)) << 16
zinfo.compress_type = compress_type or self.compression
self.writestr(zinfo, data, compress_type)
def writestr(self, zinfo_or_arcname, data, compress_type=None):
if isinstance(zinfo_or_arcname, str):
zinfo_or_arcname = ZipInfo(
zinfo_or_arcname, date_time=get_zipinfo_datetime()
)
zinfo_or_arcname.compress_type = self.compression
zinfo_or_arcname.external_attr = (0o664 | stat.S_IFREG) << 16
if isinstance(data, str):
data = data.encode("utf-8")
ZipFile.writestr(self, zinfo_or_arcname, data, compress_type)
fname = (
zinfo_or_arcname.filename
if isinstance(zinfo_or_arcname, ZipInfo)
else zinfo_or_arcname
)
log.info(f"adding '{fname}'")
if fname != self.record_path:
hash_ = self._default_algorithm(data)
self._file_hashes[fname] = (
hash_.name,
urlsafe_b64encode(hash_.digest()).decode("ascii"),
)
self._file_sizes[fname] = len(data)
def close(self):
# Write RECORD
if self.fp is not None and self.mode == "w" and self._file_hashes:
data = StringIO()
writer = csv.writer(data, delimiter=",", quotechar='"', lineterminator="\n")
writer.writerows(
(
(fname, algorithm + "=" + hash_, self._file_sizes[fname])
for fname, (algorithm, hash_) in self._file_hashes.items()
)
)
writer.writerow((format(self.record_path), "", ""))
self.writestr(self.record_path, data.getvalue())
ZipFile.close(self)