removed dead code
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@ -38,70 +38,3 @@ class EventContractor(Loggable):
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def __unregister(self, evt):
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del self.store[evt.path]
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# Delete this class when done using
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class EventContractor2(Loggable):
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"""
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This class is responsible for "contracting" events together to ease the
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load on airtime. It does this by morphing old events into newer ones
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"""
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def __init__(self):
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self.store = {}
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def event_registered(self, evt):
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"""
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returns true if the event is registered which means that there is
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another "unpacked" event somewhere out there with the same path
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"""
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return evt.path in self.store
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def get_old_event(self, evt):
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"""
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get the previously registered event with the same path as 'evt'
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"""
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return self.store[ evt.path ]
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def register(self, evt):
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"""
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Returns true if event was actually registered. This means that
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no old events were touched. On the other hand returns false if
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some other event in the storage was morphed into this newer one.
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Which should mean that the old event should be discarded.
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"""
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if self.event_registered(evt):
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old_e = self.get_old_event(evt)
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# TODO : Perhaps there are other events that we can "contract"
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# together
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# If two events are of the same type we can safely discard the old
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# one
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if evt.__class__ == old_e.__class__:
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old_e.morph_into(evt)
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return False
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# delete overrides any other event
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elif isinstance(evt, DeleteFile):
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old_e.morph_into(evt)
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return False
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# Unregister the old event anyway, because we only want to keep
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# track of the old one. This means that the old event cannot be
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# morphed again and new events with the same path will only be
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# checked against the newest event 'evt' in this case
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self.unregister( old_e )
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evt.add_safe_pack_hook( lambda : self.__unregister(evt) )
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if evt.path in self.store:
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self.logger.warn("Clean up should have been called by '%s'" %
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str(evt))
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self.logger.warn("Overwriting event for '%s'" % evt.path)
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self.store[ evt.path ] = evt
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return True # We actually added something, hence we return true.
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def unregister(self, evt):
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evt.reset_hook()
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def __unregister(self, evt):
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try: del self.store[evt.path]
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except KeyError as e:
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self.logger.info("Contractor failed to unrecord event: '%s'" \
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% evt.path)
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except Exception as e: self.unexpected_exception(e)
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