A quickly made selfbot to log a server. Run !gen_logs in a channel to get a log of it.

gen_logs.py

# gen_logs - A tool to get a full log of a Discord chat. Created by Jake#0009.

token = ""
# Insert your user token here.

prefix = "!"
# Here is the prefix. Feel free to change if you want.

import discord
import logging
# Imports discord and logging.

logging.basicConfig(level=logging.INFO)
# Sets the logging level.

dclient = discord.Client()
# Imports the discord client.

@dclient.event
async def on_ready():
    logging.info("Successfully signed into Discord.")
# Defines on_ready

@dclient.event
async def on_message(message):
    if message.author == dclient.user and message.content.startswith(prefix):
        cmd = message.content.lstrip(prefix).split(' ')[0].lower()
        if cmd == "gen_logs":
            await dclient.edit_message(message, "Creating JSON log of this channel!")
            data = []
            async for msg in dclient.logs_from(message.channel, limit=10000000):
                tdata = {"author_id" : msg.author.id, "message_content" : msg.content, "attachments" : msg.attachments}
                data.append(tdata)
            await dclient.edit_message(message, "Backing up " + str(len(data)) + " messages!")
            data = {message.channel.name : data}
            with open(message.channel.name + ".json", "w+", encoding="utf-8") as logfile:
            	logfile.write(str(data))
            await dclient.edit_message(message, "Done!")
# Defines on_message.

dclient.run(token, bot=False)
# Starts the selfbot.