diff options
Diffstat (limited to 'setup.py')
| -rw-r--r-- | setup.py | 61 |
1 files changed, 48 insertions, 13 deletions
@@ -21,7 +21,41 @@ import os import platform -from setuptools import setup, Extension, Feature + +from distutils.errors import CCompilerError +from distutils.errors import DistutilsExecError +from distutils.errors import DistutilsPlatformError + +from setuptools import Extension +from setuptools.command.build_ext import build_ext +from setuptools import setup +from setuptools import Feature + +class optional_build_ext(build_ext): + """This class subclasses build_ext and allows + the building of C extensions to fail. + """ + def run(self): + try: + build_ext.run(self) + except DistutilsPlatformError as e: + self._unavailable(e) + + def build_extension(self, ext): + try: + build_ext.build_extension(self, ext) + except (CCompilerError, DistutilsExecError, OSError) as e: + self._unavailable(e) + + def _unavailable(self, e): + print('*' * 80) + print("""WARNING: + An optional code optimization (C extension) could not be compiled. + Optimizations for this package will not be available!""") + print() + print(e) + print('*' * 80) + def read(*rnames): with open(os.path.join(os.path.dirname(__file__), *rnames)) as f: @@ -29,21 +63,19 @@ def read(*rnames): Cwrapper = Feature( "C wrapper", - standard = True, + standard=True, headers=[os.path.join('src', 'zope', 'proxy', 'proxy.h')], - ext_modules=[Extension("zope.proxy._zope_proxy_proxy", - [os.path.join('src', 'zope', 'proxy', - "_zope_proxy_proxy.c") - ], - extra_compile_args=['-g']), - ], + ext_modules=[ + Extension( + "zope.proxy._zope_proxy_proxy", + [os.path.join('src', 'zope', 'proxy', "_zope_proxy_proxy.c")], + ), + ], ) # PyPy won't build the extension. -py_impl = getattr(platform, 'python_implementation', lambda: None) -is_pypy = py_impl() == 'PyPy' -is_pure = os.environ.get('PURE_PYTHON') -if is_pypy or is_pure: +is_pypy = platform.python_implementation() == 'PyPy' +if is_pypy: features = {} else: features = {'Cwrapper': Cwrapper} @@ -60,7 +92,7 @@ setup(name='zope.proxy', ), url='http://github.com/zopefoundation/zope.proxy', license='ZPL 2.1', - classifiers = [ + classifiers=[ 'Development Status :: 5 - Production/Stable', 'Intended Audience :: Developers', 'License :: OSI Approved :: Zope Public License', @@ -81,6 +113,9 @@ setup(name='zope.proxy', packages=['zope', 'zope.proxy'], package_dir={'': 'src'}, namespace_packages=['zope',], + cmdclass={ + 'build_ext': optional_build_ext, + }, features=features, install_requires=[ 'zope.interface', |