code: def get_file_checksum(self, path, **kwargs):
          
          metadata_response = self._get(
              path, 'GETFILECHECKSUM', expected_status=httplib.TEMPORARY_REDIRECT, **kwargs)
          assert not metadata_response.content
          data_response = self._requests_session.get(
              metadata_response.headers['location'], **self._requests_kwargs)
          _check_response(data_response)
          return FileChecksum(**_json(data_response)['FileChecksum'])
docs: Get the checksum of a file.
  
          :rtype: :py:class:`FileChecksum`