relationships.py 文件源码

def fetch(self) -> 'Union[Awaitable[List[ResourceObject]], List[ResourceObject]]':
        """
        Fetch ResourceObjects. In practice this needs to be used only if in async mode
        and then this needs to be awaited.

        In blocking (sync) mode this is called automatically when .resource or
        .resources is accessed.
        """
        if self.session.enable_async:
            return self._fetch_async()
        else:
            return self._fetch_sync()