import logging from typing import Iterable, Union logger = logging.getLogger(__name__) class Event: """Keeps track of event subscriptions""" def __init__(self, subs: dict): self.subs = subs self.logger = logger.getChild(self.__class__.__name__) def info(self, msg=None): info = (f"{msg} events",) if msg else () if self.any(): info += (f"now listening for {', '.join(self.get())} events",) else: info += ("not listening for any events",) self.logger.info(", ".join(info)) @property def pdirty(self) -> bool: return self.subs["pdirty"] @pdirty.setter def pdirty(self, val: bool): self.subs["pdirty"] = val self.info(f"pdirty {'added to' if val else 'removed from'}") @property def mdirty(self) -> bool: return self.subs["mdirty"] @mdirty.setter def mdirty(self, val: bool): self.subs["mdirty"] = val self.info(f"mdirty {'added to' if val else 'removed from'}") @property def midi(self) -> bool: return self.subs["midi"] @midi.setter def midi(self, val: bool): self.subs["midi"] = val self.info(f"midi {'added to' if val else 'removed from'}") @property def ldirty(self) -> bool: return self.subs["ldirty"] @ldirty.setter def ldirty(self, val: bool): self.subs["ldirty"] = val self.info(f"ldirty {'added to' if val else 'removed from'}") def get(self) -> list: return [k for k, v in self.subs.items() if v] def any(self) -> bool: return any(self.subs.values()) def add(self, events: Union[str, Iterable[str]]): if isinstance(events, str): events = [events] for event in events: setattr(self, event, True) def remove(self, events: Union[str, Iterable[str]]): if isinstance(events, str): events = [events] for event in events: setattr(self, event, False)