"python setup.py sdist" should not list the generated ABI module.

See ``"python3 setup.py sdist" wrongly packages auto-generated file
(out-of-line ABI-mode)`` on the mailing list.

1 files changed, 12 insertions, 0 deletions

diff --git a/cffi/setuptools_ext.py b/cffi/setuptools_ext.py
index 477ac43..a6eb8b8 100644
--- a/cffi/setuptools_ext.py
+++ b/cffi/setuptools_ext.py
@@ -162,6 +162,17 @@ def _add_py_module(dist, ffi, module_name):
             module_path = module_name.split('.')
             module_path[-1] += '.py'
             generate_mod(os.path.join(self.build_lib, *module_path))
+        def get_source_files(self):
+            # This is called from 'setup.py sdist' only.  Exclude
+            # the generate .py module in this case.
+            saved_py_modules = self.py_modules
+            try:
+                if saved_py_modules:
+                    self.py_modules = [m for m in saved_py_modules
+                                         if m != module_name]
+                return base_class.get_source_files(self)
+            finally:
+                self.py_modules = saved_py_modules
     dist.cmdclass['build_py'] = build_py_make_mod
 
     # distutils and setuptools have no notion I could find of a
@@ -171,6 +182,7 @@ def _add_py_module(dist, ffi, module_name):
     # the module.  So we add it here, which gives a few apparently
     # harmless warnings about not finding the file outside the
     # build directory.
+    # Then we need to hack more in get_source_files(); see above.
     if dist.py_modules is None:
         dist.py_modules = []
     dist.py_modules.append(module_name)