maubot/maubot/handlers/event.py
2019-06-08 17:42:07 +03:00

34 lines
1.4 KiB
Python

# maubot - A plugin-based Matrix bot system.
# Copyright (C) 2019 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Callable, Union, NewType
from mautrix.types import EventType
from mautrix.client import EventHandler
EventHandlerDecorator = NewType("EventHandlerDecorator", Callable[[EventHandler], EventHandler])
def on(var: Union[EventType, EventHandler]) -> Union[EventHandlerDecorator, EventHandler]:
def decorator(func: EventHandler) -> EventHandler:
func.__mb_event_handler__ = True
if isinstance(var, EventType):
func.__mb_event_type__ = var
else:
func.__mb_event_type__ = EventType.ALL
return func
return decorator if isinstance(var, EventType) else decorator(var)