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from sugar.tutorius.properties import *
class Event(TPropContainer):
source = TUAMProperty()
type = TStringProperty("clicked")
def __init__(self):
TPropContainer.__init__(self)
# Providing the hash methods necessary to use events as key
# in a dictionary, if new properties are added we should
# take them into account here
def __hash__(self):
return hash(str(self.source) + str(self.type))
def __eq__(self, e2):
return self.source == e2.source and self.type == e2.type
# Adding methods for pickling and unpickling an object with
# properties
def __getstate__(self):
return self._props.copy()
def __setstate__(self, dict):
self._props.update(dict)
# Nothing more needs to be added, the additional
# information is in the object type
class ClickedEvent(Event):
def __init__(self):
Event.__init__(self)
self.type = "clicked"
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