Errbot recipes: Async messages

asciiart.py

import random, time
from errbot import BotPlugin, botcmd
from pyfiglet import Figlet, FigletFont

class AsciiArt(BotPlugin):
  """ Ascii Art related commands. """
  @botcmd
  def big(self, mess, args):
    """ Generates 3 big versions with a random font."""
    for font in random.sample(FigletFont.getFonts(), 3)
    time.sleep(2)
    yield '```\n' + Figlet(font=font).renderText(message) + '\n```'