mirror of
https://github.com/miaowware/qrm2.git
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147 lines
3.5 KiB
Python
147 lines
3.5 KiB
Python
#!/usr/bin/env python3
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"""
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qrm, a bot for Discord
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---
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Copyright (C) 2019 Abigail Gold, 0x5c
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This file is part of discord-qrmbot and is released under the terms of the GNU
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General Public License, version 2.
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"""
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from types import SimpleNamespace
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import discord
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from discord.ext import commands, tasks
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import info
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from data import options as opt
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from data import keys as keys
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# --- Settings ---
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exit_code = 1 # The default exit code. ?shutdown and ?restart will change it accordingly (fail-safe)
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debug_mode = opt.debug # Separate assignement in-case we define an override (ternary operator goes here)
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class GlobalSettings(commands.Cog):
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def __init__(self, bot: commands.Bot):
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self.bot = bot
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self.opt = opt
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self.keys = keys
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self.info = info
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self.colours = SimpleNamespace(good=0x43B581,
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neutral=0x7289DA,
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bad=0xF04747)
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self.debug = debug_mode
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# --- Bot setup ---
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bot = commands.Bot(command_prefix=opt.prefix,
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description=info.description,
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help_command=commands.MinimalHelpCommand())
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# --- Helper functions ---
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async def add_react(msg: discord.Message, react: str):
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try:
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await msg.add_reaction(react)
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except discord.Forbidden:
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print(f"!! Missing permissions to add reaction in '{msg.guild.id}/{msg.channel.id}'!")
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# --- Checks ---
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async def check_if_owner(ctx: commands.Context):
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if ctx.author.id in opt.owners_uids:
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return True
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await add_react(ctx.message, "❌")
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return False
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# --- Commands ---
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@bot.command(name="restart")
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@commands.check(check_if_owner)
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async def _restart_bot(ctx: commands.Context):
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"""Restarts the bot."""
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global exit_code
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await add_react(ctx.message, "✅")
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exit_code = 42 # Signals to the wrapper script that the bot needs to be restarted.
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await bot.logout()
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@bot.command(name="shutdown")
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@commands.check(check_if_owner)
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async def _shutdown_bot(ctx: commands.Context):
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"""Shuts down the bot."""
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global exit_code
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await add_react(ctx.message, "✅")
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exit_code = 0 # Signals to the wrapper script that the bot should not be restarted.
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await bot.logout()
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# --- Events ---
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@bot.event
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async def on_ready():
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print(f"Logged in as: {bot.user} - {bot.user.id}")
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print("------")
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# --- Tasks ---
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@tasks.loop(minutes=5)
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async def _ensure_activity():
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await bot.change_presence(activity=discord.Game(name=opt.game))
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@_ensure_activity.before_loop
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async def _before_ensure_activity():
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await bot.wait_until_ready()
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# --- Run ---
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bot.add_cog(GlobalSettings(bot))
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for cog in opt.cogs:
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bot.load_extension(f"cogs.{cog}")
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_ensure_activity.start()
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try:
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bot.run(keys.discord_token)
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except discord.LoginFailure as ex:
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# Miscellaneous authentications errors: borked token and co
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if debug_mode:
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raise
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raise SystemExit("Error: Failed to authenticate: {}".format(ex))
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except discord.ConnectionClosed as ex:
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# When the connection to the gateway (websocket) is closed
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if debug_mode:
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raise
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raise SystemExit("Error: Discord gateway connection closed: [Code {}] {}".format(ex.code, ex.reason))
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except ConnectionResetError as ex:
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# More generic connection reset error
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if debug_mode:
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raise
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raise SystemExit("ConnectionResetError: {}".format(ex))
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# --- Exit ---
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# Codes for the wrapper shell script:
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# 0 - Clean exit, don't restart
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# 1 - Error exit, [restarting is up to the shell script]
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# 42 - Clean exit, do restart
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raise SystemExit(exit_code)
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