mirror of
https://github.com/miaowware/qrm2.git
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170 lines
4.7 KiB
Python
170 lines
4.7 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-qrm2 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 datetime import datetime
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import discord
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from discord.ext import commands, tasks
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import common as cmn
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import info
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import data.options as opt
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import data.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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ext_dir = "exts" # The name of the directory where extensions are located.
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debug_mode = opt.debug # Separate assignement in-case we define an override (ternary operator goes here)
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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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# --- Commands ---
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@bot.command(name="restart", hidden=True)
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@commands.check(cmn.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 cmn.add_react(ctx.message, cmn.emojis.good)
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print(f"[**] Restarting! Requested by {ctx.author}.")
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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", hidden=True)
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@commands.check(cmn.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 cmn.add_react(ctx.message, cmn.emojis.good)
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print(f"[**] Shutting down! Requested by {ctx.author}.")
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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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@bot.group(name="extctl", hidden=True)
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@commands.check(cmn.check_if_owner)
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async def _extctl(ctx: commands.Context):
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"""Extension control commands.
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Defaults to `list` if no subcommand specified"""
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if ctx.invoked_subcommand is None:
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cmd = bot.get_command("extctl list")
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await ctx.invoke(cmd)
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@_extctl.command(name="list")
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async def _extctl_list(ctx: commands.Context):
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"""Lists Extensions."""
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embed = discord.Embed(title="Loaded Extensions",
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colour=cmn.colours.neutral,
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timestamp=datetime.utcnow())
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embed.description = "\n".join(["‣ " + x.split(".")[1] for x in bot.extensions.keys()])
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await ctx.send(embed=embed)
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@_extctl.command(name="load")
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async def _extctl_load(ctx: commands.Context, extension: str):
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try:
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bot.load_extension(ext_dir + "." + extension)
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await cmn.add_react(ctx.message, cmn.emojis.good)
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except commands.ExtensionError as ex:
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embed = cmn.error_embed_factory(ctx, ex, debug_mode)
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await ctx.send(embed=embed)
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@_extctl.command(name="reload")
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async def _extctl_reload(ctx: commands.Context, extension: str):
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try:
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bot.reload_extension(ext_dir + "." + extension)
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await cmn.add_react(ctx.message, cmn.emojis.good)
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except commands.ExtensionError as ex:
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embed = cmn.error_embed_factory(ctx, ex, debug_mode)
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await ctx.send(embed=embed)
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@_extctl.command(name="unload")
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async def _extctl_unload(ctx: commands.Context, extension: str):
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try:
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bot.unload_extension(ext_dir + "." + extension)
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await cmn.add_react(ctx.message, cmn.emojis.good)
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except commands.ExtensionError as ex:
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embed = cmn.error_embed_factory(ctx, ex, debug_mode)
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await ctx.send(embed=embed)
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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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for ext in opt.exts:
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bot.load_extension(ext_dir + '.' + ext)
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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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