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_listener = {}
class Event(object):
"""Base event that can be sent to listeners.
"""
def send(self):
""" This function sends the instance of the class, i.e. the event
to be sent, to all function that listen to it.
"""
if self.__class__.__name__ in _listener:
for f, args in _listener[self.__class__.__name__]:
f(self, *args)
@classmethod
def listen(cls, *args):
def wrap(f):
if cls.__name__ not in _listener:
_listener[cls.__name__] = []
_listener[cls.__name__].append((f, args))
# next step allow us to call the function itself without Event raised
def wrapped_f(*args):
f(*args)
return wrapped_f
return wrap
class RemoveEvent(Event):
def __init__(self, config, ui, citekey):
self.config = config
self.ui = ui
self.citekey = citekey