python-app-rocketbot/bot.py

"""
Rocketbot Discord bot. Relies on a configured config.py (copy config.py.sample
for a template).

Author: Ian Albert (@rocketsoup)
Date: 2021-11-11
"""
import traceback
from discord import Intents
from discord.ext import commands

from config import CONFIG
from rocketbot.cogs.configcog import ConfigCog
from rocketbot.cogs.crosspostcog import CrossPostCog
from rocketbot.cogs.generalcog import GeneralCog
from rocketbot.cogs.joinraidcog import JoinRaidCog
from rocketbot.cogs.patterncog import PatternCog
from rocketbot.cogs.urlspamcog import URLSpamCog
from rocketbot.cogs.usernamecog import UsernamePatternCog

CURRENT_CONFIG_VERSION = 3
if (CONFIG.get('__config_version') or 0) < CURRENT_CONFIG_VERSION:
	# If you're getting this error, it means something changed in config.py's
	# format. Consult config.py.sample and compare it to your own config.py.
	# Rename/move any values as needed. When satisfied, update "__config_version"
	# to the value in config.py.sample.
	raise RuntimeError('config.py format may be outdated. Review ' +
		'config.py.sample, update the "__config_version" field to ' +
		f'{CURRENT_CONFIG_VERSION}, and try again.')

class Rocketbot(commands.Bot):
	"""
	Bot subclass
	"""
	def __init__(self, command_prefix, **kwargs):
		super().__init__(command_prefix, **kwargs)

	async def on_command_error(self, context: commands.Context, exception):
		if context.guild is None or \
				context.message.channel is None or \
				context.message.author.bot:
			return
		if not context.message.author.permissions_in(context.message.channel).ban_members:
			# Don't tell non-mods about errors
			return
		if isinstance(exception, (commands.errors.CommandError, )):
			# Reply with the error message for ordinary command errors
			await context.message.reply(
				f'{CONFIG["failure_emoji"]} {exception}',
				mention_author=False)
			return
		# Stack trace everything else
		traceback.print_exception(type(exception), exception, exception.__traceback__)

intents = Intents.default()
intents.messages = True  # pylint: disable=assigning-non-slot
intents.members = True  # pylint: disable=assigning-non-slot
bot = Rocketbot(command_prefix=CONFIG['command_prefix'], intents=intents)

# Core
bot.add_cog(GeneralCog(bot))
bot.add_cog(ConfigCog(bot))

# Optional
bot.add_cog(CrossPostCog(bot))
bot.add_cog(JoinRaidCog(bot))
bot.add_cog(PatternCog(bot))
bot.add_cog(URLSpamCog(bot))
bot.add_cog(UsernamePatternCog(bot))

bot.run(CONFIG['client_token'], bot=True, reconnect=True)
print('\nBot aborted')