def get_offset(self):
    if not self._is_open:
      raise IOError(u'Not opened.')

    return self._current_offset
Author for a particuar version  (<item><dc:creator>)
dataset/ETHPy150Open log2timeline/dfvfs/dfvfs/file_io/fake_file_io.py/FakeFile.get_offset--crossover with--dataset/ETHPy150Open mozilla/addons-server/src/olympia/versions/feeds.py/VersionsRss.item_author_name