table.py 文件源码

def get_table(self, table_name: str) -> 'typing.Type[Table]':
        """
        Gets a table from the current metadata.

        :param table_name: The name of the table to get.
        :return: A :class:`.Table` object.
        """
        try:
            return self.tables[table_name]
        except KeyError:
            # we can load this from the name instead
            for table in self.tables.values():
                if table.__name__ == table_name:
                    return table
            else:
                return None