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Update PEP 669 specification to return current callback object when registering a new callback. (#2246)

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Mark Shannon 2022-01-17 16:22:49 +00:00 committed by GitHub
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commit d927d9d4a6
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pep-0669.rst
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@ -127,6 +127,8 @@ To register a callable for events call::
sys.monitoring.register_callback(event, func)
``register_callback`` returns the previously registered callback, or ``None``.
Functions can be unregistered by calling
``sys.monitoring.register_callback(event, None)``.
@ -192,7 +194,7 @@ Attributes of the ``sys.monitoring`` namespace
* ``def set_events(event_set: Event)->None``
* ``def get_local_events(code: CodeType)->Event``
* ``def set_local_events(code: CodeType, event_set: Event)->None``
* ``def register_callback(event: Event, func: Callable)->None``
* ``def register_callback(event: Event, func: Callable)->Optional[Callable]``
* ``def insert_marker(code: CodeType, offset: Event, marker_id=0: range(256))->None``
* ``def remove_marker(code: CodeType, offset: Event)->None``