geas-bot/app/cogs/events/on_guild_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 the guild info or ownership are updated.
class on_guild_update(commands.Cog, name='On Guild Update Events'):
	def __init__(self, client):
		self.client = client
	
	@commands.Cog.listener()
	async def on_guild_update(self, before, after):
		conf = yaml_load(configFile)
		conf[str(after.id)]['name'] = after.name
		conf[str(after.id)]['owner'] = after.owner_id
		# Updates guild name and channel
		yaml_dump(conf,configFile)

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