Use os.path.isfile for checking if path.is_file, suppresses exceptions. Fixes #181.

Author: jaraco

distutils/dist.py

@@ -334,7 +334,7 @@ def find_config_files(self):
         - a file named by an environment variable
         """
         check_environ()
-        files = [str(path) for path in self._gen_paths() if path.is_file()]
+        files = [str(path) for path in self._gen_paths() if os.path.isfile(path)]
 
         if DEBUG:
             self.announce("using config files: %s" % ', '.join(files))

distutils/tests/test_dist.py

@@ -258,7 +258,6 @@ def test_find_config_files_disable(self, temp_home):
         # make sure --no-user-cfg disables the user cfg file
         assert len(all_files) - 1 == len(files)
 
-    @pytest.mark.xfail(reason="pypa/distutils#181", strict=True)
     @pytest.mark.skipif(
         'platform.system() == "Windows"',
         reason='Windows does not honor chmod 000',