mirror of
https://github.com/maubot/maubot.git
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136 lines
4.3 KiB
Python
136 lines
4.3 KiB
Python
# maubot - A plugin-based Matrix bot system.
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# Copyright (C) 2022 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from __future__ import annotations
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from typing import TYPE_CHECKING, Awaitable
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from abc import ABC
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from asyncio import AbstractEventLoop
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from aiohttp import ClientSession
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from sqlalchemy.engine.base import Engine
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from yarl import URL
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from mautrix.util.async_db import Database, UpgradeTable
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from mautrix.util.config import BaseProxyConfig
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from mautrix.util.logging import TraceLogger
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if TYPE_CHECKING:
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from .client import MaubotMatrixClient
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from .loader import BasePluginLoader
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from .plugin_server import PluginWebApp
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class Plugin(ABC):
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client: MaubotMatrixClient
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http: ClientSession
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id: str
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log: TraceLogger
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loop: AbstractEventLoop
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loader: BasePluginLoader
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config: BaseProxyConfig | None
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database: Engine | Database | None
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webapp: PluginWebApp | None
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webapp_url: URL | None
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def __init__(
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self,
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client: MaubotMatrixClient,
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loop: AbstractEventLoop,
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http: ClientSession,
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instance_id: str,
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log: TraceLogger,
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config: BaseProxyConfig | None,
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database: Engine | None,
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webapp: PluginWebApp | None,
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webapp_url: str | None,
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loader: BasePluginLoader,
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) -> None:
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self.client = client
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self.loop = loop
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self.http = http
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self.id = instance_id
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self.log = log
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self.config = config
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self.database = database
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self.webapp = webapp
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self.webapp_url = URL(webapp_url) if webapp_url else None
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self.loader = loader
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self._handlers_at_startup = []
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def register_handler_class(self, obj) -> None:
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warned_webapp = False
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for key in dir(obj):
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val = getattr(obj, key)
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try:
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if val.__mb_event_handler__:
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self._handlers_at_startup.append((val, val.__mb_event_type__))
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self.client.add_event_handler(val.__mb_event_type__, val)
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except AttributeError:
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pass
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try:
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web_handlers = val.__mb_web_handler__
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except AttributeError:
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pass
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else:
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if len(web_handlers) > 0 and self.webapp is None:
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if not warned_webapp:
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self.log.warning(
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f"{type(obj).__name__} has web handlers, but the webapp"
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" feature isn't enabled in the plugin's maubot.yaml"
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)
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warned_webapp = True
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continue
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for method, path, kwargs in web_handlers:
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self.webapp.add_route(method=method, path=path, handler=val, **kwargs)
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async def pre_start(self) -> None:
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pass
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async def internal_start(self) -> None:
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await self.pre_start()
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self.register_handler_class(self)
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await self.start()
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async def start(self) -> None:
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pass
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async def pre_stop(self) -> None:
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pass
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async def internal_stop(self) -> None:
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await self.pre_stop()
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for func, event_type in self._handlers_at_startup:
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self.client.remove_event_handler(event_type, func)
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if self.webapp is not None:
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self.webapp.clear()
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await self.stop()
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async def stop(self) -> None:
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pass
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@classmethod
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def get_config_class(cls) -> type[BaseProxyConfig] | None:
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return None
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@classmethod
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def get_db_upgrade_table(cls) -> UpgradeTable | None:
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return None
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def on_external_config_update(self) -> Awaitable[None] | None:
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if self.config:
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self.config.load_and_update()
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return None
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