mirror of
https://github.com/miaowware/qrm2.git
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259 lines
8.0 KiB
Python
259 lines
8.0 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) 2019-2020 Abigail Gold, 0x5c
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This file is part of qrm2 and is released under the terms of
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the GNU General Public License, version 2.
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"""
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import asyncio
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import random
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import sys
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import traceback
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from datetime import datetime, time
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from types import SimpleNamespace
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import pytz
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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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import common as cmn
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import utils.connector as conn
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import data.keys as keys
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import data.options as opt
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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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# Loop/aiohttp stuff
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loop = asyncio.get_event_loop()
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connector = loop.run_until_complete(conn.new_connector())
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bot = commands.Bot(command_prefix=opt.prefix,
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case_insensitive=True,
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description=info.description, help_command=commands.MinimalHelpCommand(),
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loop=loop,
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connector=connector)
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# Simple way to access bot-wide stuff in extensions.
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bot.qrm = SimpleNamespace()
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# Let's store stuff here.
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bot.qrm.connector = connector
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bot.qrm.debug_mode = debug_mode
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# --- Commands ---
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@bot.command(name="restart", aliases=["rs"], category=cmn.cat.admin)
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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.check_mark)
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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", aliases=["shut"], category=cmn.cat.admin)
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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.check_mark)
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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", aliases=["ex"], case_insensitive=True, category=cmn.cat.admin)
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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", aliases=["ls"])
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async def _extctl_list(ctx: commands.Context):
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"""Lists loaded extensions."""
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embed = cmn.embed_factory(ctx)
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embed.title = "Loaded Extensions"
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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", aliases=["ld"])
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async def _extctl_load(ctx: commands.Context, extension: str):
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"""Loads an extension."""
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bot.load_extension(ext_dir + "." + extension)
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await cmn.add_react(ctx.message, cmn.emojis.check_mark)
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@_extctl.command(name="reload", aliases=["rl", "r", "relaod"])
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async def _extctl_reload(ctx: commands.Context, extension: str):
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"""Reloads an extension."""
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if ctx.invoked_with == "relaod":
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pika = bot.get_emoji(opt.pika)
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if pika:
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await cmn.add_react(ctx.message, pika)
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bot.reload_extension(ext_dir + "." + extension)
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await cmn.add_react(ctx.message, cmn.emojis.check_mark)
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@_extctl.command(name="unload", aliases=["ul"])
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async def _extctl_unload(ctx: commands.Context, extension: str):
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"""Unloads an extension."""
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bot.unload_extension(ext_dir + "." + extension)
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await cmn.add_react(ctx.message, cmn.emojis.check_mark)
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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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if opt.status_mode == "time":
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_ensure_activity_time.start()
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elif opt.status_mode == "random":
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_ensure_activity_random.start()
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else:
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_ensure_activity_fixed.start()
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@bot.event
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async def on_message(message):
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msg = message.content.lower()
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for emoji, keywords in opt.msg_reacts.items():
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if any([keyword in msg for keyword in keywords]):
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await message.add_reaction(discord.utils.find(lambda x: x.id == emoji, bot.emojis))
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await bot.process_commands(message)
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@bot.event
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async def on_command_error(ctx: commands.Context, err: commands.CommandError):
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if isinstance(err, commands.UserInputError):
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await cmn.add_react(ctx.message, cmn.emojis.warning)
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await ctx.send_help(ctx.command)
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elif isinstance(err, commands.CommandNotFound):
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if ctx.invoked_with.startswith(("?", "!")):
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return
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else:
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await cmn.add_react(ctx.message, cmn.emojis.question)
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elif isinstance(err, commands.CheckFailure):
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# Add handling of other subclasses of CheckFailure as needed.
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if isinstance(err, commands.NotOwner):
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await cmn.add_react(ctx.message, cmn.emojis.no_entry)
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else:
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await cmn.add_react(ctx.message, cmn.emojis.x)
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elif isinstance(err, commands.DisabledCommand):
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await cmn.add_react(ctx.message, cmn.emojis.bangbang)
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elif isinstance(err, (commands.CommandInvokeError, commands.ConversionError)):
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# Emulating discord.py's default beaviour.
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print("Ignoring exception in command {}:".format(ctx.command), file=sys.stderr)
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traceback.print_exception(type(err), err, err.__traceback__, file=sys.stderr)
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embed = cmn.error_embed_factory(ctx, err.original, bot.qrm.debug_mode)
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embed.description += f"\n`{type(err).__name__}`"
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await cmn.add_react(ctx.message, cmn.emojis.warning)
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await ctx.send(embed=embed)
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else:
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# Emulating discord.py's default beaviour. (safest bet)
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print("Ignoring exception in command {}:".format(ctx.command), file=sys.stderr)
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traceback.print_exception(type(err), err, err.__traceback__, file=sys.stderr)
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await cmn.add_react(ctx.message, cmn.emojis.warning)
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# --- Tasks ---
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@tasks.loop(minutes=5)
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async def _ensure_activity_time():
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status = opt.statuses[0]
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try:
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tz = pytz.timezone(opt.status_tz)
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except pytz.exceptions.UnknownTimeZoneError:
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await bot.change_presence(activity=discord.Game(name="with invalid timezones."))
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return
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now = datetime.now(tz=tz).time()
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for sts in opt.time_statuses:
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start_time = time(hour=sts[1][0], minute=sts[1][1], tzinfo=tz)
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end_time = time(hour=sts[2][0], minute=sts[2][1], tzinfo=tz)
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if start_time < now <= end_time:
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status = sts[0]
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await bot.change_presence(activity=discord.Game(name=status))
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@tasks.loop(minutes=5)
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async def _ensure_activity_random():
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status = random.choice(opt.statuses)
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await bot.change_presence(activity=discord.Game(name=status))
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@tasks.loop(minutes=5)
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async def _ensure_activity_fixed():
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status = opt.statuses[0]
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await bot.change_presence(activity=discord.Game(name=status))
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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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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 bot.qrm.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 bot.qrm.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 bot.qrm.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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