Just playing around with the pyglet event framework, and I'm really
enjoying using the pattern in some of my applications. Just have a
small question regarding event dispatchers. Take the following
contrived example:
import pyglet
class Dispatcher(pyglet.event.EventDispatcher):
def trigger(self):
self.dispatch_event('on_event')
Dispatcher.register_event_type('on_event')
class WatchOne(object):
def __init__(self, subject):
subject.push_handlers(self)
self.subject = subject
def on_event(self):
print 'event triggered'
class WatchMany(object):
def __init__(self):
self.subjects = []
def watch(self, subject):
subject.push_handlers(self)
self.subjects.append(subject)
def on_event(self):
print 'event triggered'
In this example the WatchOne class will always know where the event
originated since it's only expecting events dispatched from a single
object. WatchMany however will potentially be getting events from one
of many subjects and may need to know which one the event was
dispatched from.
My question is: is there a simple way to find the event dispatcher? I
think I'm missing something obvious :S
Otherwise keep up the great work!
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