bazarr/libs/signalr/transports/_auto_transport.py

38 lines
1.1 KiB
Python

from ._transport import Transport
from ._sse_transport import ServerSentEventsTransport
from ._ws_transport import WebSocketsTransport
class AutoTransport(Transport):
def __init__(self, session, connection):
Transport.__init__(self, session, connection)
self.__available_transports = [
WebSocketsTransport(session, connection),
ServerSentEventsTransport(session, connection)
]
self.__transport = None
def negotiate(self):
negotiate_data = Transport.negotiate(self)
self.__transport = self.__get_transport(negotiate_data)
return negotiate_data
def __get_transport(self, negotiate_data):
for transport in self.__available_transports:
if transport.accept(negotiate_data):
return transport
raise Exception('Cannot find suitable transport')
def start(self):
return self.__transport.start()
def send(self, data):
self.__transport.send(data)
def close(self):
self.__transport.close()
def _get_name(self):
return 'auto'