Autorole with membership screening

autorole.py

#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2021 Nathaniel Fitzenrider <https://github.com/nfitzen>
#
# SPDX-License-Identifier: CC0-1.0

# Note: only works with membership screening enabled.

import discord

ROLE_ID = None

bot = discord.Client()

@bot.event
async def on_member_update(before, after):
    global ROLE_ID
    guild = after.guild
    try:
        if ROLE_ID:
            if before.pending and not after.pending:
                role = guild.get_role(ROLE_ID)
                after.add_roles(role)
    except discord.Forbidden as e:
        print(e)

if __name__ == "__main__":
    print("Note: only works with membership screening enabled.")
    try:
        with open('token.txt') as f:
            token = f.read()
    except IOError:
        print("Couldn't read the token.")
        token = input("Discord token: ")
    try:
        with open('roleid.txt') as f:
            ROLE_ID = f.read()
    except IOError:
        print("Couldn't read the role ID.")
        ROLE_ID = input("Role ID: ")
    bot.run(token)