stub_dispatcher.py 文件源码

def _copy(gcs_stub, filename, headers):
  """Copy file.

  Args:
    gcs_stub: an instance of gcs stub.
    filename: dst filename of format /bucket/filename
    headers: a dict of request headers. Must contain _XGoogCopySource header.

  Returns:
    An _FakeUrlFetchResult instance.
  """
  source = _XGoogCopySource(headers).value
  result = _handle_head(gcs_stub, source)
  if result.status_code == httplib.NOT_FOUND:
    return result
  directive = headers.pop('x-goog-metadata-directive', 'COPY')
  if directive == 'REPLACE':
    gcs_stub.put_copy(source, filename, headers)
  else:
    gcs_stub.put_copy(source, filename, None)
  return _FakeUrlFetchResult(httplib.OK, {}, '')