1 #!/usr/bin/env python 2 3 # Copyright (c) 2015 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 import os 8 import sys 9 10 version = sys.version_info[:2] 11 if version != (2, 7): 12 sys.stderr.write('Systrace does not support Python %d.%d. ' 13 'Please use Python 2.7.\n' % version) 14 sys.exit(1) 15 16 systrace_dir = os.path.abspath( 17 os.path.join(os.path.dirname(__file__), 'catapult', 'systrace')) 18 sys.path.insert(0, systrace_dir) 19 20 def RemoveAllStalePycFiles(base_dir): 21 """Scan directories for old .pyc files without a .py file and delete them.""" 22 for dirname, _, filenames in os.walk(base_dir): 23 if '.git' in dirname: 24 continue 25 for filename in filenames: 26 root, ext = os.path.splitext(filename) 27 if ext != '.pyc': 28 continue 29 30 pyc_path = os.path.join(dirname, filename) 31 py_path = os.path.join(dirname, root + '.py') 32 33 try: 34 if not os.path.exists(py_path): 35 os.remove(pyc_path) 36 except OSError: 37 # Wrap OS calls in try/except in case another process touched this file. 38 pass 39 40 try: 41 os.removedirs(dirname) 42 except OSError: 43 # Wrap OS calls in try/except in case another process touched this dir. 44 pass 45 46 if __name__ == '__main__': 47 RemoveAllStalePycFiles(os.path.dirname(__file__)) 48 from systrace import run_systrace 49 sys.exit(run_systrace.main()) 50
