[+] unregister
This commit is contained in:
59
events.py
59
events.py
@@ -1,39 +1,66 @@
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import builtins
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from collections import defaultdict
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from loguru import logger
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log = logger.bind(module="EventsSystem", prefix="init")
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lor_reg = log.bind(prefix="register")
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lor_call = log.bind(prefix="call")
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log_reg = log.bind(prefix="register")
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log_unreg = log.bind(prefix="unregister")
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log_call = log.bind(prefix="call")
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class EventsSystem:
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def __init__(self):
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self.__events = {}
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self.__events = defaultdict(list)
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log.debug("Injected to builtins")
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builtins.event = self
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log.debug("EventsSystem ready")
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def register(self, event_name, callback):
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lor_reg.debug(f"{event_name!r}; {callback.__name__}({callback})")
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"""
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Registers a callback for a given event name.
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:param event_name: Name of the event.
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:param callback: Callable to be executed when the event occurs.
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"""
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log_reg.debug(f"{event_name!r}; {callback.__name__}({callback})")
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if not callable(callback):
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return lor_reg.error(f"Bad event '{event_name}' - cannot registered")
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if event_name not in self.__events:
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self.__events.update({str(event_name): [callback]})
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return log_reg.error(f"Bad event '{event_name}' - cannot registered")
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self.__events[event_name].append(callback)
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def unregister(self, event_name, callback):
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"""
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Unregisters a callback for a given event name.
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:param event_name: Name of the event.
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:param callback: Callable to be unregistered.
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"""
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log_unreg.debug(f"{event_name!r}; {callback.__name__}({callback})")
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if event_name in self.__events.keys():
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self.__events[event_name].remove(callback)
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else:
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self.__events[event_name].append(callback)
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log_unreg.error(f"Event '{event_name}' not found.")
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def call(self, event_name, *args, **kwargs):
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funcs_data = []
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"""
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Call all callbacks for a given event name.
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:param event_name: Name of the event.
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:param args: Data to be passed to callbacks.
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:param kwargs: Additional data to be passed to callbacks.
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:return: List of data returned by callbacks.
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"""
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kwargs['event_name'] = event_name
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callbacks_data = []
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if event_name in self.__events.keys():
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for callback in self.__events[event_name]:
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lor_call.debug(f"{event_name!r}; execute: '{callback.__name__}'; data: {args=}; {kwargs=}")
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log_call.debug(f"{event_name!r}; execute: '{callback.__name__}'; data: {args=}; {kwargs=}")
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try:
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event_data = {"event_name": event_name, "args": args, "kwargs": kwargs}
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funcs_data.append(callback(event_data))
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event_data = callback(*args, **kwargs)
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callbacks_data.append(event_data)
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except Exception as e:
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lor_call.error(f"Error in {callback.__name__}. See debug.log")
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lor_call.exception(e)
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log_call.error(f"Error in {callback.__name__}. See debug.log")
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log_call.exception(e)
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else:
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lor_call.error(f"Event '{event_name}' not found.")
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log_call.error(f"Event '{event_name}' not found.")
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return funcs_data
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return callbacks_data
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