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bpo-31294: Fix ZeroMQSocketListener and ZeroMQSocketHandler examples (#3229)

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* Fix ZeroMQSocketListener and ZeroMQSocketHandler examples

* Use send_json and recv_json to simplify pyzmq interfacing

* Add News entry
This commit is contained in:
Pablo Galindo 2017-09-07 21:53:13 +01:00 • committed by Christian Heimes
parent 397c467c49
commit 586c0502b5
3 changed files with 11 additions and 8 deletions
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16
Doc/howto/logging-cookbook.rst
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@ -1258,8 +1258,8 @@ socket is created separately and passed to the handler (as its 'queue')::
class ZeroMQSocketHandler(QueueHandler):
def enqueue(self, record):
data = json.dumps(record.__dict__)
self.queue.send(data)
self.queue.send_json(record.__dict__)
handler = ZeroMQSocketHandler(sock)
@ -1272,11 +1272,10 @@ data needed by the handler to create the socket::
self.ctx = ctx or zmq.Context()
socket = zmq.Socket(self.ctx, socktype)
socket.bind(uri)
QueueHandler.__init__(self, socket)
super().__init__(socket)
def enqueue(self, record):
data = json.dumps(record.__dict__)
self.queue.send(data)
self.queue.send_json(record.__dict__)
def close(self):
self.queue.close()
@ -1292,12 +1291,13 @@ of queues, for example a ZeroMQ 'subscribe' socket. Here's an example::
def __init__(self, uri, *handlers, **kwargs):
self.ctx = kwargs.get('ctx') or zmq.Context()
socket = zmq.Socket(self.ctx, zmq.SUB)
socket.setsockopt(zmq.SUBSCRIBE, '') # subscribe to everything
socket.setsockopt_string(zmq.SUBSCRIBE, '') # subscribe to everything
socket.connect(uri)
super().__init__(socket, *handlers, **kwargs)
def dequeue(self):
msg = self.queue.recv()
return logging.makeLogRecord(json.loads(msg))
msg = self.queue.recv_json()
return logging.makeLogRecord(msg)
.. seealso::