def message_definition(self):
    try:
      return self._message_definition()
    except AttributeError:
      return None
Testing FileAttachmentReviewUI sandboxes get_comment_link_url
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/protorpc/protorpc/messages.py/Field.message_definition--crossover with--dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/reviews/ui/tests.py/SandboxTests.test_get_comment_link_url