Hi all,
With the Maya Python API (both 1.0 and 2.0) you can register callbacks,
like so:
from maya.api import OpenMaya as om
om.MDGMessage.addTimeChangeCallback(...)
It’ll hand you an ID you can later use to deregister it.
def myCallback(time, clientData):
pass
eventId = om.MDGMessage.addTimeChangeCallback(myCallback, None)
om.MMessage.removeCallback(eventId)
But what do you do when you haven’t kept track of the ID? I’m debugging a
potential leak of events being registered but not unregistered and am
looking for something along the lines of..
for func, eventId in om.MMessage.listCallbacks():
print("EventID %d belongs to %s" % (func, eventId))
# EventID 153 belongs to 'myCallback'
I’m also curious about what events are registered per default and by
third-party plug-ins or scripts and figure this would be an intuitive way
of finding out.
How can I list all currently registered events?
Thanks,
Marcus
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