diff options
Diffstat (limited to 'e/lib/python3.11/site-packages/setuptools/monkey.py')
-rw-r--r-- | e/lib/python3.11/site-packages/setuptools/monkey.py | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/e/lib/python3.11/site-packages/setuptools/monkey.py b/e/lib/python3.11/site-packages/setuptools/monkey.py new file mode 100644 index 0000000..77a7adc --- /dev/null +++ b/e/lib/python3.11/site-packages/setuptools/monkey.py @@ -0,0 +1,165 @@ +""" +Monkey patching of distutils. +""" + +import sys +import distutils.filelist +import platform +import types +import functools +from importlib import import_module +import inspect + +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, type) 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 = ( + (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() + + # 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(): + """Patch write_pkg_file and read_pkg_file for higher metadata standards""" + for attr in ('write_pkg_file', 'read_pkg_file', 'get_metadata_version'): + new_val = getattr(setuptools.dist, attr) + setattr(distutils.dist.DistributionMetadata, attr, new_val) + + +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 available on Microsoft Windows + return + + def patch_params(mod_name, func_name): + """ + Prepare the parameters for patch_func to patch indicated function. + """ + repl_prefix = '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 3.5+ + msvc14 = functools.partial(patch_params, 'distutils._msvccompiler') + + 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 |