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#!/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)
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