def __init__(self, backend, upgrade_lock): self._backend = backend self._upgrade_lock = upgrade_lock self._engine = backend.engine self._metadata = sa.MetaData() self._tables = tables.fetch(self._metadata) self._converter = _Alchemist(self._tables)
def __init__(self, backend): self._backend = backend self._engine = backend.engine self._metadata = sa.MetaData() self._tables = tables.fetch(self._metadata) self._converter = Alchemist(self._tables)