geas-bot/app/cogs/events/on_guild_role_update.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 there is a new role deleted.

class on_guild_role_update(commands.Cog):
	def __init__(self, client):
		self.client = client
	
	@commands.Cog.listener()
	async def on_guild_role_update(self, before, after):
		conf = yaml_load(configFile)
		#### If the original role is in the config as an admin role, and it subsequently is run by a bot or is not an admin, remove it from config
		if before.id in conf[str(before.guild.id)]['adminroles']:
			if after.is_bot_managed() or after.is_integration() or not after.permissions.administrator:
				conf[str(after.guild.id)]['adminroles'].remove(after.id)
				yaml_dump(conf, configFile)
		
		#### If the new role is an admin and is not already in the config, add it.
		if not (after.is_bot_managed() or after.is_integration()) and after.permissions.administrator:
			if after.id not in conf[str(after.guild.id)]['adminroles']:
				conf[str(after.guild.id)]['adminroles'].remove(after.id)
				yaml_dump(conf, configFile)
			#### If the role is one of the Admin roles and is deleted, updates the bot's config to delete that role, preventing unnecessary roles from accumulating.

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