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Preview: extension.py Size: 1.69 KB

//lib/python3.6/site-packages/setuptools/extension.py

import re
import functools
import distutils.core
import distutils.errors
import distutils.extension

from setuptools.extern.six.moves import map

from .monkey import get_unpatched


def _have_cython():
    """
    Return True if Cython can be imported.
    """
    cython_impl = 'Cython.Distutils.build_ext'
    try:
        # from (cython_impl) import build_ext
        __import__(cython_impl, fromlist=['build_ext']).build_ext
        return True
    except Exception:
        pass
    return False


# for compatibility
have_pyrex = _have_cython

_Extension = get_unpatched(distutils.core.Extension)


class Extension(_Extension):
    """Extension that uses '.c' files in place of '.pyx' files"""

    def __init__(self, name, sources, *args, **kw):
        # The *args is needed for compatibility as calls may use positional
        # arguments. py_limited_api may be set only via keyword.
        self.py_limited_api = kw.pop("py_limited_api", False)
        _Extension.__init__(self, name, sources, *args, **kw)

    def _convert_pyx_sources_to_lang(self):
        """
        Replace sources with .pyx extensions to sources with the target
        language extension. This mechanism allows language authors to supply
        pre-converted sources but to prefer the .pyx sources.
        """
        if _have_cython():
            # the build has Cython, so allow it to compile the .pyx files
            return
        lang = self.language or ''
        target_ext = '.cpp' if lang.lower() == 'c++' else '.c'
        sub = functools.partial(re.sub, '.pyx$', target_ext)
        self.sources = list(map(sub, self.sources))


class Library(Extension):
    """Just like a regular Extension, but built as a library instead"""

Name	Size	Perms	Modified	Actions
command DIR	-	drwxr-xr-x	2025-07-17 23:01:18	Edit Download recursive recursive
extern DIR	-	drwxr-xr-x	2025-07-17 23:01:18	Edit Download recursive recursive
_vendor DIR	-	drwxr-xr-x	2025-07-17 23:01:18	Edit Download recursive recursive
__pycache__ DIR	-	drwxr-xr-x	2025-07-17 23:01:18	Edit Download recursive recursive
archive_util.py	6.44 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
build_meta.py	5.54 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
config.py	17.58 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
depends.py	5.70 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
dep_util.py	935 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
dist.py	41.61 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
extension.py	1.69 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
glibc.py	3.07 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
glob.py	5.08 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
launch.py	787 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
lib2to3_ex.py	1.97 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
monkey.py	5.14 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
msvc.py	39.92 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
namespaces.py	3.12 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
package_index.py	39.38 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
pep425tags.py	10.62 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
py27compat.py	536 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
py31compat.py	1.16 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
py33compat.py	1.15 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
py36compat.py	2.82 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
sandbox.py	13.94 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
script (dev).tmpl	201 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
script.tmpl	138 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
site-patch.py	2.25 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
ssl_support.py	8.29 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
unicode_utils.py	996 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
version.py	144 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
wheel.py	7.60 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
windows_support.py	714 B	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive
__init__.py	5.57 KB	lrw-r--r--	2025-07-15 09:13:40	Edit Download recursive recursive

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