/usr/lib/python3/dist-packages/setuptools/monkey.py is in python3-setuptools 39.0.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | """
Monkey patching of distutils.
"""
import sys
import distutils.filelist
import platform
import types
import functools
from importlib import import_module
import inspect
from setuptools.extern import six
import setuptools
__all__ = []
"""
Everything is private. Contact the project team
if you think you need this functionality.
"""
def _get_mro(cls):
"""
Returns the bases classes for cls sorted by the MRO.
Works around an issue on Jython where inspect.getmro will not return all
base classes if multiple classes share the same name. Instead, this
function will return a tuple containing the class itself, and the contents
of cls.__bases__. See https://github.com/pypa/setuptools/issues/1024.
"""
if platform.python_implementation() == "Jython":
return (cls,) + cls.__bases__
return inspect.getmro(cls)
def get_unpatched(item):
lookup = (
get_unpatched_class if isinstance(item, six.class_types) else
get_unpatched_function if isinstance(item, types.FunctionType) else
lambda item: None
)
return lookup(item)
def get_unpatched_class(cls):
"""Protect against re-patching the distutils if reloaded
Also ensures that no other distutils extension monkeypatched the distutils
first.
"""
external_bases = (
cls
for cls in _get_mro(cls)
if not cls.__module__.startswith('setuptools')
)
base = next(external_bases)
if not base.__module__.startswith('distutils'):
msg = "distutils has already been patched by %r" % cls
raise AssertionError(msg)
return base
def patch_all():
# we can't patch distutils.cmd, alas
distutils.core.Command = setuptools.Command
has_issue_12885 = sys.version_info <= (3, 5, 3)
if has_issue_12885:
# fix findall bug in distutils (http://bugs.python.org/issue12885)
distutils.filelist.findall = setuptools.findall
needs_warehouse = (
sys.version_info < (2, 7, 13)
or
(3, 0) < sys.version_info < (3, 3, 7)
or
(3, 4) < sys.version_info < (3, 4, 6)
or
(3, 5) < sys.version_info <= (3, 5, 3)
)
if needs_warehouse:
warehouse = 'https://upload.pypi.org/legacy/'
distutils.config.PyPIRCCommand.DEFAULT_REPOSITORY = warehouse
_patch_distribution_metadata_write_pkg_file()
_patch_distribution_metadata_write_pkg_info()
# Install Distribution throughout the distutils
for module in distutils.dist, distutils.core, distutils.cmd:
module.Distribution = setuptools.dist.Distribution
# Install the patched Extension
distutils.core.Extension = setuptools.extension.Extension
distutils.extension.Extension = setuptools.extension.Extension
if 'distutils.command.build_ext' in sys.modules:
sys.modules['distutils.command.build_ext'].Extension = (
setuptools.extension.Extension
)
patch_for_msvc_specialized_compiler()
def _patch_distribution_metadata_write_pkg_file():
"""Patch write_pkg_file to also write Requires-Python/Requires-External"""
distutils.dist.DistributionMetadata.write_pkg_file = (
setuptools.dist.write_pkg_file
)
def _patch_distribution_metadata_write_pkg_info():
"""
Workaround issue #197 - Python 3 prior to 3.2.2 uses an environment-local
encoding to save the pkg_info. Monkey-patch its write_pkg_info method to
correct this undesirable behavior.
"""
environment_local = (3,) <= sys.version_info[:3] < (3, 2, 2)
if not environment_local:
return
distutils.dist.DistributionMetadata.write_pkg_info = (
setuptools.dist.write_pkg_info
)
def patch_func(replacement, target_mod, func_name):
"""
Patch func_name in target_mod with replacement
Important - original must be resolved by name to avoid
patching an already patched function.
"""
original = getattr(target_mod, func_name)
# set the 'unpatched' attribute on the replacement to
# point to the original.
vars(replacement).setdefault('unpatched', original)
# replace the function in the original module
setattr(target_mod, func_name, replacement)
def get_unpatched_function(candidate):
return getattr(candidate, 'unpatched')
def patch_for_msvc_specialized_compiler():
"""
Patch functions in distutils to use standalone Microsoft Visual C++
compilers.
"""
# import late to avoid circular imports on Python < 3.5
msvc = import_module('setuptools.msvc')
if platform.system() != 'Windows':
# Compilers only availables on Microsoft Windows
return
def patch_params(mod_name, func_name):
"""
Prepare the parameters for patch_func to patch indicated function.
"""
repl_prefix = 'msvc9_' if 'msvc9' in mod_name else 'msvc14_'
repl_name = repl_prefix + func_name.lstrip('_')
repl = getattr(msvc, repl_name)
mod = import_module(mod_name)
if not hasattr(mod, func_name):
raise ImportError(func_name)
return repl, mod, func_name
# Python 2.7 to 3.4
msvc9 = functools.partial(patch_params, 'distutils.msvc9compiler')
# Python 3.5+
msvc14 = functools.partial(patch_params, 'distutils._msvccompiler')
try:
# Patch distutils.msvc9compiler
patch_func(*msvc9('find_vcvarsall'))
patch_func(*msvc9('query_vcvarsall'))
except ImportError:
pass
try:
# Patch distutils._msvccompiler._get_vc_env
patch_func(*msvc14('_get_vc_env'))
except ImportError:
pass
try:
# Patch distutils._msvccompiler.gen_lib_options for Numpy
patch_func(*msvc14('gen_lib_options'))
except ImportError:
pass
|