Clone of chromium aad1ce808763f59c7a3753e08f1500a104ecc6fd refs/remotes/origin/HEAD
diff --git a/tools/remove_stale_pyc_files.py b/tools/remove_stale_pyc_files.py
new file mode 100755
index 0000000..b32c5f4
--- /dev/null
+++ b/tools/remove_stale_pyc_files.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import os
+import sys
+
+
+def RemoveAllStalePycFiles(base_dir):
+ """Scan directories for old .pyc files without a .py file and delete them."""
+ for dirname, _, filenames in os.walk(base_dir):
+ if '.svn' in dirname or '.git' in dirname:
+ continue
+ for filename in filenames:
+ root, ext = os.path.splitext(filename)
+ if ext != '.pyc':
+ continue
+
+ pyc_path = os.path.join(dirname, filename)
+ py_path = os.path.join(dirname, root + '.py')
+
+ try:
+ if not os.path.exists(py_path):
+ os.remove(pyc_path)
+ except OSError:
+ # Wrap OS calls in try/except in case another process touched this file.
+ pass
+
+ try:
+ os.removedirs(dirname)
+ except OSError:
+ # Wrap OS calls in try/except in case another process touched this dir.
+ pass
+
+
+if __name__ == '__main__':
+ for path in sys.argv[1:]:
+ RemoveAllStalePycFiles(path)
