/usr/lib/python3/dist-packages/zmq/auth/asyncio/__init__.py is in python3-zmq 16.0.2-2build2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | """ZAP Authenticator integrated with the asyncio IO loop.
.. versionadded:: 15.2
"""
# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
import asyncio
import zmq
from zmq.asyncio import Poller
from ..base import Authenticator
class AsyncioAuthenticator(Authenticator):
"""ZAP authentication for use in the asyncio IO loop"""
def __init__(self, context=None, loop=None):
super().__init__(context)
self.loop = loop or asyncio.get_event_loop()
self.__poller = None
self.__task = None
@asyncio.coroutine
def __handle_zap(self):
while True:
events = yield from self.__poller.poll()
if self.zap_socket in dict(events):
msg = yield from self.zap_socket.recv_multipart()
self.handle_zap_message(msg)
def start(self):
"""Start ZAP authentication"""
super().start()
self.__poller = Poller()
self.__poller.register(self.zap_socket, zmq.POLLIN)
self.__task = asyncio.async(self.__handle_zap())
def stop(self):
"""Stop ZAP authentication"""
if self.__task:
self.__task.cancel()
if self.__poller:
self.__poller.unregister(self.zap_socket)
self.__poller = None
super().stop()
__all__ = ['AsyncioAuthenticator']
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