Add Cloudron packaging for Maubot

maubot-src/maubot/handlers/event.py

@@ -0,0 +1,44 @@
+# maubot - A plugin-based Matrix bot system.
+# Copyright (C) 2022 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 __future__ import annotations
+
+from typing import Callable, NewType
+
+from mautrix.client import EventHandler, InternalEventType
+from mautrix.types import EventType
+
+EventHandlerDecorator = NewType("EventHandlerDecorator", Callable[[EventHandler], EventHandler])
+
+
+def on(var: EventType | InternalEventType | EventHandler) -> EventHandlerDecorator | EventHandler:
+    def decorator(func: EventHandler) -> EventHandler:
+        func.__mb_event_handler__ = True
+        if isinstance(var, (EventType, InternalEventType)):
+            if hasattr(func, "__mb_event_types__"):
+                func.__mb_event_types__.add(var)
+            else:
+                func.__mb_event_types__ = {var}
+        else:
+            func.__mb_event_types__ = {EventType.ALL}
+
+        return func
+
+    return decorator if isinstance(var, (EventType, InternalEventType)) else decorator(var)
+
+
+def off(func: EventHandler) -> EventHandler:
+    func.__mb_event_handler__ = False
+    return func