1 files changed, 51 insertions, 0 deletions
diff --git a/lib/python2.7/distutils/tests/setuptools_extension.py b/lib/python2.7/distutils/tests/setuptools_extension.py
new file mode 100644
index 0000000..ec6b690
--- /dev/null
+++ b/lib/python2.7/distutils/tests/setuptools_extension.py
@@ -0,0 +1,51 @@
+from distutils.core import Extension as _Extension
+from distutils.core import Distribution as _Distribution
+
+def _get_unpatched(cls):
+    """Protect against re-patching the distutils if reloaded
+
+    Also ensures that no other distutils extension monkeypatched the distutils
+    first.
+    """
+    while cls.__module__.startswith('setuptools'):
+        cls, = cls.__bases__
+    if not cls.__module__.startswith('distutils'):
+        raise AssertionError(
+            "distutils has already been patched by %r" % cls
+        )
+    return cls
+
+_Distribution = _get_unpatched(_Distribution)
+_Extension = _get_unpatched(_Extension)
+
+try:
+    from Pyrex.Distutils.build_ext import build_ext
+except ImportError:
+    have_pyrex = False
+else:
+    have_pyrex = True
+
+
+class Extension(_Extension):
+    """Extension that uses '.c' files in place of '.pyx' files"""
+
+    if not have_pyrex:
+        # convert .pyx extensions to .c
+        def __init__(self,*args,**kw):
+            _Extension.__init__(self,*args,**kw)
+            sources = []
+            for s in self.sources:
+                if s.endswith('.pyx'):
+                    sources.append(s[:-3]+'c')
+                else:
+                    sources.append(s)
+            self.sources = sources
+
+class Library(Extension):
+    """Just like a regular Extension, but built as a library instead"""
+
+import sys, distutils.core, distutils.extension
+distutils.core.Extension = Extension
+distutils.extension.Extension = Extension
+if 'distutils.command.build_ext' in sys.modules:
+    sys.modules['distutils.command.build_ext'].Extension = Extension