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A simple logger object that consolidates messages incoming from ipcluster processes.
Authors:
Bases: IPython.config.configurable.LoggingConfigurable
A simple class that receives messages on a SUB socket, as published by subclasses of zmq.log.handlers.PUBHandler, and logs them itself.
This can subscribe to multiple topics, but defaults to all topics.
receive and parse a message, then log it.
Update our SUB socket’s subscriptions.