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
import re
# logger and handler
from bot import configFile, yaml_load, yaml_dump, gmFile, categoriesFile, lookupFile, dataFile

##### Actions for the bot to take whenever there is a new role deleted.

class on_guild_role_update(commands.Cog, name='On Guild Role Update Events'):
	def __init__(self, client):
		self.client = client
	
	@commands.Cog.listener()
	async def on_guild_role_update(self, before, after):
		conf = yaml_load(configFile)
		gms = yaml_load(gmFile)
		categories = yaml_load(categoriesFile)
		lookup = yaml_load(lookupFile)
		data = yaml_load(dataFile)
		guildStr = str(after.guild.id)
		rStr = str(after.id)

		#### If the original role is in the config is 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)]['roles']['admin']:
			if after.is_bot_managed() or after.is_integration() or not after.permissions.administrator:
				conf[str(after.guild.id)]['roles']['admin'].remove(after.id)
				yaml_dump(conf, configFile)
			return
		
		#### 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)]['roles']['admin']:
				conf[str(after.guild.id)]['roles']['admin'].remove(after.id)
				yaml_dump(conf, configFile)
			#### If the role is one of the Admin roles and is stripped of admin permissions, updates the bot's config to delete that role, preventing unnecessary roles from accumulating.
			return

		#### If the original role is a game role:
		if rStr in lookup[guildStr]:

			#### Suppress invalid changes
			revert = {}
			# Check name change
			if before.name != after.name:
				if ': ' not in after.name: revert['name'] = before.name
				else:
					if after.name.split(': ', maxsplit=1)[0].lower() not in conf[guildStr]['timeslots']: revert['name'] = before.name
			# Check role colour
			if before.colour != after.colour: revert['colour'] = before.colour
			# Check role hoist
			if before.hoist != after.hoist: revert['hoist'] = before.hoist
			# Check role mentionable
			if before.mentionable != after.mentionable: revert['mentionable'] = before.mentionable
			# Check role permissions
			if before.permissions != after.mentionable: revert['permissions'] = before.permissions
			#### Suppress changes if the new settings are invalid
			if revert:
				revert['reason'] = 'Role Update Event Listener: Suppressing permission change for game role.'
				await after.edit(**revert)
			return




			

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