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35 lines
916 B
Python
35 lines
916 B
Python
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class Event(object):
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"""A simple event class."""
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class Observable(object):
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"""A class that represents an observable object.
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To publish an event call fire(type="progress", percent=50) or whatever. It will call
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"""
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def __init__(self):
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"""Initialize the Observable object."""
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self.callbacks = []
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def subscribe(self, callback):
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"""Subscribe to the observable object.
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Args:
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callback (function): The callback function to be called when the event is fired.
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"""
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self.callbacks.append(callback)
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def fire(self, **attrs):
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"""Fire the event.
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Args:
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**attrs: Arbitrary keyword arguments to be passed to the callback functions.
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"""
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e = Event()
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e.source = self
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for k, v in attrs.items():
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setattr(e, k, v)
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for fn in self.callbacks:
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fn(e) |