text: #!/usr/bin/python
  # Copyright 2015 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.
  
  # This script scans a directory tree for any .mojom files and outputs a list.
  
  import argparse
  import os
  import sys
  
  def main(args):
    parser = argparse.ArgumentParser(
        description='Prints list of generated dart binding source files.')
    parser.add_argument('source_directory',
                        metavar='source_directory',
                        help='Path to source directory tree containing .mojom'
                             ' files')
    parser.add_argument('relative_directory_root',
                        metavar='relative_directory_root',
                        help='Path to directory which all outputted paths will'
                             'be relative to.')
    args = parser.parse_args()
    # Directory to start searching for .mojom files.
    source_directory = args.source_directory
    # Prefix to chop off output.
    root_prefix = os.path.abspath(args.relative_directory_root)
    for dirname, dirnames, filenames in os.walk(source_directory):
      # filter for .mojom files.
      filenames = [f for f in filenames if f.endswith('.mojom')]
      # Skip any directories that start with 'test'.
      dirnames[:] = [d for d in dirnames if not d.startswith('test')]
      for f in filenames:
        path = os.path.abspath(os.path.join(dirname, f))
        path = os.path.relpath(path, root_prefix)
        print(path)
  
  if __name__ == '__main__':
    sys.exit(main(sys.argv[1:]))
  
  