Check if the bot is alone in a channel for X secconds.

check_inactive.py

# https://github.com/r4v10l1/discord-bot/
# ----------------------------------------------------------------

import discord, asyncio
from discord.ext import commands
from dotenv import load_dotenv

@client.command()
async def join(ctx):  # Command where the bot joins for example

    pass  # Do stuff here
  
    async def check_alone():  # The actual function, needs ctx
        voice = discord.utils.get(client.voice_clients, guild=ctx.guild)
        while True:
            if voice == None:  # If the bot left the channel
                break
            elif len(voice.channel.members) == 1:  # If the bot is the only member in the channel
                await voice.disconnect()
                await ctx.send(":information_source:  **Left the channel because of inactivity.**")
                print("[Bot] Disconnected from channel because of inactivity.")
                break
            await asyncio.sleep(30)  # Check every 30 seconds

    client.loop.create_task(check_alone())  # Start background task