generate_v14_compatible_resources.py 文件源码

def GenerateV14LayoutResource(input_filename, output_v14_filename,
                              output_v17_filename):
  """Convert API 17 layout resource to API 14 compatible layout resource.

  It's mostly a simple replacement, s/Start/Left s/End/Right,
  on the attribute names.
  If the generated resource is identical to the original resource,
  don't do anything. If not, write the generated resource to
  output_v14_filename, and copy the original resource to output_v17_filename.
  """
  dom = ParseAndReportErrors(input_filename)
  is_modified = GenerateV14LayoutResourceDom(dom, input_filename)

  if is_modified:
    # Write the generated resource.
    WriteDomToFile(dom, output_v14_filename)

    # Copy the original resource.
    build_utils.MakeDirectory(os.path.dirname(output_v17_filename))
    shutil.copy2(input_filename, output_v17_filename)