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#!/usr/bin/env python |
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import os |
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import re |
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from pathlib import Path |
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from setuptools import Extension |
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from setuptools import find_namespace_packages |
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from setuptools import setup |
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from setuptools.command.build_ext import build_ext |
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from setuptools.dist import Distribution |
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try: |
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# Allow installing package without any Cython available. This |
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# assumes you are going to include the .c files in your sdist. |
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import Cython |
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except ImportError: |
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Cython = None |
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# Enable code coverage for C code: we cannot use CFLAGS=-coverage in tox.ini, since that may mess with compiling |
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# dependencies (e.g. numpy). Therefore, we set SETUPPY_CFLAGS=-coverage in tox.ini and copy it to CFLAGS here (after |
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# deps have been safely installed). |
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if "TOX_ENV_NAME" in os.environ and os.environ.get("SETUPPY_EXT_COVERAGE") == "yes": |
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CFLAGS = os.environ["CFLAGS"] = "-DCYTHON_TRACE=1 -DCYTHON_USE_SYS_MONITORING=0" |
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LFLAGS = os.environ["LFLAGS"] = "" |
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else: |
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CFLAGS = "" |
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LFLAGS = "" |
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allow_extensions = True |
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# Enable this if the extensions will not build on PyPy |
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# if '__pypy__' in sys.builtin_module_names: |
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# print('NOTICE: C extensions disabled on PyPy (would be broken)!') |
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# allow_extensions = False |
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if os.environ.get("SETUPPY_FORCE_PURE"): |
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print("NOTICE: C extensions disabled (SETUPPY_FORCE_PURE)!") |
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allow_extensions = False |
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class OptionalBuildExt(build_ext): |
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""" |
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Allow the building of C extensions to fail. |
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""" |
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def run(self): |
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try: |
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super().run() |
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except Exception as e: |
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self._unavailable(e) |
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self.extensions = [] # avoid copying missing files (it would fail). |
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def _unavailable(self, e): |
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print("*" * 80) |
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print( |
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"""WARNING: |
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An optional code optimization (C extension) could not be compiled. |
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Optimizations for this package will not be available! |
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""" |
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) |
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print("CAUSE:") |
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print("") |
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print(" " + repr(e)) |
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print("*" * 80) |
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class BinaryDistribution(Distribution): |
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""" |
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Distribution which almost always forces a binary package with platform name |
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""" |
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def has_ext_modules(self): |
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return super().has_ext_modules() or not os.environ.get("SETUPPY_ALLOW_PURE") |
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def read(*names, **kwargs): |
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with Path(__file__).parent.joinpath(*names).open(encoding=kwargs.get("encoding", "utf8")) as fh: |
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return fh.read() |
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setup( |
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long_description="{}\n{}".format( |
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re.compile("^.. start-badges.*^.. end-badges", re.M | re.S).sub("", read("README.rst")), |
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re.sub(":[a-z]+:`~?(.*?)`", r"``\1``", read("CHANGELOG.rst")), |
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), |
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long_description_content_type="text/x-rst", |
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packages=find_namespace_packages("src"), |
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package_dir={"": "src"}, |
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py_modules=[path.stem for path in Path("src").glob("*.py")], |
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include_package_data=True, |
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zip_safe=False, |
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cmdclass={"build_ext": OptionalBuildExt}, |
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ext_modules=[ |
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Extension( |
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str(path.relative_to("src").with_suffix("")).replace(os.sep, "."), |
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sources=[str(path)], |
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extra_compile_args=CFLAGS.split(), |
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extra_link_args=LFLAGS.split(), |
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include_dirs=[str(path.parent)], |
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) |
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for path in Path("src").glob("**/*.pyx" if Cython else "**/*.c") |
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] |
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if allow_extensions |
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else [], |
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distclass=BinaryDistribution if allow_extensions else None, |
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) |
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ionelmc /
python-nameless
