async def _longpoll_request(self):
        """Open a long-polling request and receive arrays.

        This method uses keep-alive to make re-opening the request faster, but
        the remote server will set the "Connection: close" header once an hour.

        Raises hangups.NetworkError or ChannelSessionError.
        """
        params = {
            'VER': 8,  # channel protocol version
            'gsessionid': self._gsessionid_param,
            'RID': 'rpc',  # request identifier
            't': 1,  # trial
            'SID': self._sid_param,  # session ID
            'CI': 0,  # 0 if streaming/chunked requests should be used
            'ctype': 'hangouts',  # client type
            'TYPE': 'xmlhttp',  # type of request
        }
        logger.info('Opening new long-polling request')
        try:
            async with self._session.fetch_raw('GET', CHANNEL_URL,
                                               params=params) as res:

                if res.status != 200:
                    if res.status == 400 and res.reason == 'Unknown SID':
                        raise ChannelSessionError('SID became invalid')
                    raise exceptions.NetworkError(
                        'Request return unexpected status: {}: {}'.format(
                            res.status, res.reason))

                while True:
                    async with async_timeout.timeout(PUSH_TIMEOUT):
                        chunk = await res.content.read(MAX_READ_BYTES)
                    if not chunk:
                        break

                    await self._on_push_data(chunk)

        except asyncio.TimeoutError:
            raise exceptions.NetworkError('Request timed out')
        except aiohttp.ServerDisconnectedError as err:
            raise exceptions.NetworkError(
                'Server disconnected error: %s' % err)
        except aiohttp.ClientPayloadError:
            raise ChannelSessionError('SID is about to expire')
        except aiohttp.ClientError as err:
            raise exceptions.NetworkError('Request connection error: %s' % err)
async def _longpoll_request(self):
        """Open a long-polling request and receive arrays.

        This method uses keep-alive to make re-opening the request faster, but
        the remote server will set the "Connection: close" header once an hour.

        Raises hangups.NetworkError or ChannelSessionError.
        """
        params = {
            'VER': 8,  # channel protocol version
            'gsessionid': self._gsessionid_param,
            'RID': 'rpc',  # request identifier
            't': 1,  # trial
            'SID': self._sid_param,  # session ID
            'CI': 0,  # 0 if streaming/chunked requests should be used
            'ctype': 'hangouts',  # client type
            'TYPE': 'xmlhttp',  # type of request
        }
        logger.info('Opening new long-polling request')
        try:
            async with self._session.fetch_raw('GET', CHANNEL_URL,
                                               params=params) as res:

                if res.status != 200:
                    if res.status == 400 and res.reason == 'Unknown SID':
                        raise ChannelSessionError('SID became invalid')
                    raise exceptions.NetworkError(
                        'Request return unexpected status: {}: {}'.format(
                            res.status, res.reason))

                while True:
                    async with async_timeout.timeout(PUSH_TIMEOUT):
                        chunk = await res.content.read(MAX_READ_BYTES)
                    if not chunk:
                        break

                    await self._on_push_data(chunk)

        except asyncio.TimeoutError:
            raise exceptions.NetworkError('Request timed out')
        except aiohttp.ServerDisconnectedError as err:
            raise exceptions.NetworkError(
                'Server disconnected error: %s' % err)
        except aiohttp.ClientPayloadError:
            raise ChannelSessionError('SID is about to expire')
        except aiohttp.ClientError as err:
            raise exceptions.NetworkError('Request connection error: %s' % err)
async def _longpoll_request ( self ) : params = { 'VER' : 8 , # channel protocol version 'gsessionid' : self . _gsessionid_param , 'RID' : 'rpc' , # request identifier 't' : 1 , # trial 'SID' : self . _sid_param , # session ID 'CI' : 0 , # 0 if streaming/chunked requests should be used 'ctype' : 'hangouts' , # client type 'TYPE' : 'xmlhttp' , # type of request } logger . info ( 'Opening new long-polling request' ) try : async with self . _session . fetch_raw ( 'GET' , CHANNEL_URL , params = params ) as res : if res . status != 200 : if res . status == 400 and res . reason == 'Unknown SID' : raise ChannelSessionError ( 'SID became invalid' ) raise exceptions . NetworkError ( 'Request return unexpected status: {}: {}' . format ( res . status , res . reason ) ) while True : async with async_timeout . timeout ( PUSH_TIMEOUT ) : chunk = await res . content . read ( MAX_READ_BYTES ) if not chunk : break await self . _on_push_data ( chunk ) except asyncio . TimeoutError : raise exceptions . NetworkError ( 'Request timed out' ) except aiohttp . ServerDisconnectedError as err : raise exceptions . NetworkError ( 'Server disconnected error: %s' % err ) except aiohttp . ClientPayloadError : raise ChannelSessionError ( 'SID is about to expire' ) except aiohttp . ClientError as err : raise exceptions . NetworkError ( 'Request connection error: %s' % err )
Open a long-polling request and receive arrays.

        This method uses keep-alive to make re-opening the request faster, but
        the remote server will set the "Connection: close" header once an hour.

        Raises hangups.NetworkError or ChannelSessionError.
Open a long - polling request and receive arrays .