Merge pull request #1 from zopefoundation/remove-c-ext

Remove C extension

.gitignore

@@ -4,10 +4,8 @@ dist
 lib
 parts
 
-*.dll
 *.pyc
 *.pyo
-*.so
 .installed.cfg
 develop-eggs/
 eggs/

CHANGES.rst

@@ -4,6 +4,7 @@ Changelog
 3.3 (unreleased)
 ----------------
 
+- Remove the Python 2-only C extension.
 
 3.2 (2017-04-26)
 ----------------

setup.py

@@ -12,33 +12,11 @@
 #
 ##############################################################################
 
-import os
-from os.path import join
-import platform
-import sys
-
-from setuptools import setup, find_packages, Extension
+from setuptools import setup, find_packages
 
 README = open('README.rst').read()
 CHANGES = open('CHANGES.rst').read()
 
-# PyPy won't build the extension
-py_impl = getattr(platform, 'python_implementation', lambda: None)
-is_pypy = py_impl() == 'PyPy'
-is_pure = 'PURE_PYTHON' in os.environ
-py3k = sys.version_info >= (3, )
-if is_pypy or is_pure or py3k:
-    ext_modules = []
-else:
-    ext_modules = [
-        Extension(
-            name='Missing._Missing',
-            include_dirs=['include', 'src'],
-            sources=[join('src', 'Missing', '_Missing.c')],
-            depends=[join('include', 'ExtensionClass', 'ExtensionClass.h')]),
-    ]
-
-
 __version__ = '3.3.dev0'
 
 setup(
@@ -68,7 +46,6 @@
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
     ],
-    ext_modules=ext_modules,
     install_requires=['ExtensionClass >= 4.1a1'],
     include_package_data=True,
     zip_safe=False,