30 lines
843 B
Python
30 lines
843 B
Python
"""A PUB log handler."""
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import warnings
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from zmq.log.handlers import PUBHandler
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warnings.warn(
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"ipykernel.log is deprecated. It has moved to ipyparallel.engine.log",
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DeprecationWarning,
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stacklevel=2,
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)
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class EnginePUBHandler(PUBHandler):
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"""A simple PUBHandler subclass that sets root_topic"""
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engine = None
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def __init__(self, engine, *args, **kwargs):
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"""Initialize the handler."""
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PUBHandler.__init__(self, *args, **kwargs)
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self.engine = engine
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@property # type:ignore[misc]
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def root_topic(self):
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"""this is a property, in case the handler is created
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before the engine gets registered with an id"""
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if isinstance(getattr(self.engine, "id", None), int):
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return "engine.%i" % self.engine.id # type:ignore[union-attr]
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return "engine"
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