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| """ | ||
| Copyright (c) Kae Bartlett | ||
| 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 | ||
| 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 .twitch import * | ||
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||
| __all__: tuple[str, ...] = ( | ||
| 'Twitch', | ||
| ) |
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| @@ -0,0 +1,177 @@ | ||
| """ | ||
| Copyright (c) Kae Bartlett | ||
| 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 | ||
| 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/>. | ||
| """ | ||
|
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| from __future__ import annotations | ||
|
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| import asyncio | ||
| from typing import Any | ||
|
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| import aiohttp | ||
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| import novus as n | ||
| from novus.ext import client | ||
|
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| __all__ = ( | ||
| 'Twitch', | ||
| ) | ||
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| class LiveChannel: | ||
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| def __init__(self, data: dict): | ||
| self.id = data["id"] | ||
| self.user_id = data["user_id"] | ||
| self.user_login = data["user_login"] | ||
| self.user_name = data["user_name"] | ||
| self.game_name = data["game_name"] | ||
| self.title = data["title"] | ||
|
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| def __eq__(self, other: LiveChannel | Any) -> bool: | ||
| if not isinstance(other, self.__class__): | ||
| return False | ||
| return all(( | ||
| self.user_id == other.user_id, | ||
| self.title == other.title, | ||
| self.game_name == other.game_name, | ||
| )) | ||
|
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|
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| class Twitch(client.Plugin): | ||
| """ | ||
| A plugin saddled with checking if a Twitch account is live and changing | ||
| the status accordingly. | ||
| """ | ||
|
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| CONFIG = { | ||
| "twitch_client_id": "", | ||
| "twitch_client_secret": "", | ||
| "twitch_users": [], | ||
| } | ||
| USER_AGENT = "Novus Discord bot client live checker." | ||
|
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| async def on_load(self) -> None: | ||
| self._access_token: str = None # pyright: ignore | ||
| self._previous_live_channels: list[LiveChannel] = [] | ||
| return await super().on_load() | ||
|
|
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| async def get_access_token(self) -> str | None: | ||
| """ | ||
| Get the access token from Twitch and store it in a local parameter. | ||
| """ | ||
|
|
||
| # See if there's already a token (and thus a running task to refresh it) | ||
| if self._access_token is not None: | ||
| return self._access_token | ||
|
|
||
| # Format our params | ||
| params = { | ||
| "client_id": self.bot.config.twitch_client_id, | ||
| "client_secret": self.bot.config.twitch_client_secret, | ||
| "grant_type": "client_credentials", | ||
| } | ||
| if None in params.values() or "" in params.values(): | ||
| self.log.info("Ignoring getting Twitch client info for missing client data.") | ||
| self.change_presence_to_live_loop.stop() | ||
| return None # Missing client ID or secret | ||
|
|
||
| # Get the token | ||
| async with aiohttp.ClientSession() as session: | ||
| site = await session.post( | ||
| "https://id.twitch.tv/oauth2/token", | ||
| json=params, | ||
| headers={ | ||
| "User-Agent": self.USER_AGENT, | ||
| }, | ||
| ) | ||
| data = await site.json() | ||
|
|
||
| # Make sure we have a token | ||
| if not data.get("access_token"): | ||
| self.log.info("Failed to get access token from Twitch - %s", data) | ||
| if site.status == 400: | ||
| self.change_presence_to_live_loop.stop() | ||
| return None | ||
|
|
||
| # Store and score | ||
| self._access_token = data["access_token"] | ||
| expiry = data["expires_in"] | ||
| async def get_new_token(): | ||
| await asyncio.sleep(expiry - 30) | ||
| await self.get_access_token() | ||
| asyncio.create_task(get_new_token()) | ||
| return self._access_token | ||
|
|
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| async def get_live_channels(self) -> list[LiveChannel]: | ||
| """ | ||
| Get a list of live channels from our expected list of channels. | ||
| """ | ||
|
|
||
| # Get the access token and list of people to check | ||
| user_list: list[str] = self.bot.config.twitch_users | ||
| if not user_list: | ||
| return [] # Technically correct data! | ||
| access_token = await self.get_access_token() | ||
| if access_token is None: | ||
| return [] # No token, let's just skip the whole loop | ||
|
|
||
| # Ask the Twitch API for all the live users | ||
| user_string = "&".join([f"user_login={i}" for i in user_list]) | ||
| async with aiohttp.ClientSession() as session: | ||
| site = await session.get( | ||
| f"https://api.twitch.tv/helix/streams?type=live&{user_string}", | ||
| headers={ | ||
| "User-Agent": self.USER_AGENT, | ||
| "Authorization": f"Bearer {access_token}", | ||
| "Client-Id": self.bot.config.twitch_client_id, | ||
| } | ||
| ) | ||
| data = await site.json() | ||
| self.log.debug("Data back from Twitch for online streams: %s", data) | ||
|
|
||
| # And return | ||
| if not site.ok: | ||
| return [] | ||
| return [ | ||
| LiveChannel(i) | ||
| for i in data["data"] | ||
| ] | ||
|
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| @client.loop(60) | ||
| async def change_presence_to_live_loop(self): | ||
| """ | ||
| Change the bot's presence to whichever channel may be live at that | ||
| point in time. | ||
| """ | ||
|
|
||
| live_channels = await self.get_live_channels() | ||
| if live_channels == self._previous_live_channels: | ||
| return | ||
|
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| self._previous_live_channels = live_channels | ||
| if not live_channels: | ||
| await self.bot.change_presence() | ||
|
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| check = live_channels[0] | ||
| await self.bot.change_presence( | ||
| activities=[ | ||
| n.Activity( | ||
| f"{check.title} ({check.game_name})", | ||
| type=n.ActivityType.streaming, | ||
| url=f"https://twitch.tv/{check.user_name}", | ||
| ) | ||
| ] | ||
| ) |