def GetNumberOfRows(self):
    if not self._database_object:
      raise IOError(u'Not opened.')

    if self._number_of_rows is None:
      self._number_of_rows = self._database_object.GetNumberOfRows(
          self._table_name)

    return self._number_of_rows

  # Note: that the following functions do not follow the style guide
  # because they are part of the file-like object interface.
Retrieve libvlc changeset.
dataset/ETHPy150Open log2timeline/dfvfs/dfvfs/file_io/sqlite_blob_file_io.py/SQLiteBlobFile.GetNumberOfRows--crossover with--dataset/ETHPy150Open disqus/playa/playa/lib/vlc.py/libvlc_get_changeset