discord-bot.py

import discord
import asyncio
import subprocess
from humanfriendly import format_timespan
import datetime

startup = datetime.datetime.now()

client = discord.Client()

cmds = {}


def register_command(name, fn):
    cmds[name] = fn


def fortune(*args):
    return subprocess.check_output(['fortune']).decode('utf-8')


def cowsay(*args):
    return "```\n{}\n```".format(subprocess.check_output(['cowsay']+list(args)).decode('utf-8'))

def figlet(*args):
    return "```\n{}\n```".format(subprocess.check_output(['figlet']+list(args)).decode('utf-8'))


def uptime(*args):
    return "This bot instance has been up {}".format(format_timespan((datetime.datetime.now()-startup).seconds))


register_command("!fortune", fortune)
register_command("!cowsay", cowsay)
register_command("!figlet", figlet)
register_command("!uptime", uptime)

@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)
    print(client.user.id)
    print('------')

@client.event
async def on_message(message):

    parts = message.content.split(' ')
    cmd = parts[0]
    if cmd in cmds:
        await client.send_message(message.channel, cmds[parts[0]](*parts[1:]))

client.run(YOUR_SECRET_KEY)