def call_on(self, event_type, handler, priority=0):
pair = (handler, priority)
logging.debug("Calling %s on %s.", format_object(handler), event_type)
handlers = self._event_handlers.setdefault(event_type, [])
handlers.append(pair)
return EventID(event_type, pair)
def call_on(self, event_type, handler, priority=0):
pair = (handler, priority)
logging.debug("Calling %s on %s.", format_object(handler), event_type)
handlers = self._event_handlers.setdefault(event_type, [])
handlers.append(pair)
return EventID(event_type, pair)
def fire(self, event_type, *args, **kwargs):
indent = " " * self._depth
self._depth += 1
logging.debug("%sStarted firing %s.", indent, event_type)
handlers = self._event_handlers.get(event_type, ())
if not handlers:
logging.debug("%sNo handlers found for event type: %s", indent, event_type)
results = []
handlers = sorted(handlers, key=lambda pair: pair[1])
for handler, priority in handlers:
try:
logging.debug("%sCalling %s for %s with priority %d.",
indent, format_object(handler, *args, **kwargs),
event_type, priority)
results.append(handler(*args, **kwargs))
except StopException:
break
except StopAllException:
raise
except KeyboardInterrupt:
logging.exception("Keyboard interrupt while running event "
"handler %s for event type %r",
format_object(handler, *args, **kwargs),
event_type)
self.stop_all()
except:
logging.exception("Error running event handler %s for "
"event type %r",
format_object(handler, *args, **kwargs),
event_type)
logging.debug("%sFinished firing %s.", indent, event_type)
self._depth -= 1
return results
def fire(self, event_type, *args, **kwargs):
indent = " " * self._depth
self._depth += 1
logging.debug("%sStarted firing %s.", indent, event_type)
handlers = self._event_handlers.get(event_type, ())
if not handlers:
logging.debug("%sNo handlers found for event type: %s", indent, event_type)
results = []
handlers = sorted(handlers, key=lambda pair: pair[1])
for handler, priority in handlers:
try:
logging.debug("%sCalling %s for %s with priority %d.",
indent, format_object(handler, *args, **kwargs),
event_type, priority)
results.append(handler(*args, **kwargs))
except StopException:
break
except StopAllException:
raise
except KeyboardInterrupt:
logging.exception("Keyboard interrupt while running event "
"handler %s for event type %r",
format_object(handler, *args, **kwargs),
event_type)
self.stop_all()
except:
logging.exception("Error running event handler %s for "
"event type %r",
format_object(handler, *args, **kwargs),
event_type)
logging.debug("%sFinished firing %s.", indent, event_type)
self._depth -= 1
return results
