geas-bot/app/cogs/events/on_guild_channel_delete.py

import yaml								# YAML parser for Bot config files
import asyncio							# Discord Py Dependency
import discord							# Main Lib
from discord.ext import commands		# Commands module
from discord_slash import SlashCommand, SlashContext, cog_ext, utils			# Slash Command Library
from discord_slash.utils.manage_commands import create_choice, create_option	# Slash Command features
import logging
# logger and handler
from bot import configFile, yaml_load, yaml_dump

##### Actions for the bot to take whenever a channel in a guild is deleted
class on_guild_channel_delete(commands.Cog, name='On Guild Channel Delete Events'):
	def __init__(self, client):
		self.client = client
	
	#### What to do if a mod channel gets deleted: try and pull default system channel, and if not then top-most channel
	@commands.Cog.listener()
	async def on_guild_channel_delete(self, channel):
		conf = yaml_load(configFile)
		if conf[str(channel.guild.id)]['channels']['mod'] == channel.id:
			if channel.guild.system_channel is None:
				p = len(channel.guild.channels)
				c = None
				for t in channel.guild.text_channels:
					if t.position < p:
						p = t.position
						conf[str(channel.guild.id)]['channels']['mod'] = t.id
			else:
				conf[str(channel.guild.id)]['channels']['mod'] = channel.guild.system_channel.id
		yaml_dump(conf, configFile)

def setup(client):
	client.add_cog(on_guild_channel_delete(client))