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##############################################################################
#
# Copyright (c) 2004-2007 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
# This package is developed by the Zope Toolkit project, documented here:
# http://docs.zope.org/zopetoolkit
# When developing and releasing this package, please follow the documented
# Zope Toolkit policies as described by this documentation.
##############################################################################
"""Setup for zope.interface package
"""
import os
import sys
from distutils.errors import CCompilerError
from distutils.errors import DistutilsExecError
from distutils.errors import DistutilsPlatformError
from setuptools import Extension
from setuptools import setup
from setuptools.command.build_ext import build_ext
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)
codeoptimization_c = os.path.join('src', 'zope', 'interface',
'_zope_interface_coptimizations.c')
codeoptimization = [
Extension(
"zope.interface._zope_interface_coptimizations",
[os.path.normcase(codeoptimization_c)]
),
]
is_jython = 'java' in sys.platform
is_pypy = hasattr(sys, 'pypy_version_info')
# Jython cannot build the C optimizations. Nor, as of 7.3, can PyPy (
# it doesn't have PySuper_Type) Everywhere else, defer the decision to
# runtime.
if is_jython or is_pypy:
ext_modules = []
else:
ext_modules = codeoptimization
setup(
cmdclass={
'build_ext': optional_build_ext,
},
ext_modules=ext_modules,
)
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