request.py 文件源码

def __call__(self, session=None, proxy=None):
        """
        :param session: An `aiohttp.ClientSession` object
        :param proxy: If session is unset, an http proxy addess. See
            the documentation on `aiohttp.ProxyConnector`
        """
        if session is None:
            conn = None
            if proxy is not None:
                conn = aiohttp.ProxyConnector(proxy=proxy)
            session = aiohttp.ClientSession(connector=conn)
        return SessionManager(self.spec, session)