you need your own token but whatever

oauth.py

  oauth_regex = r"^https:\/\/discordapp\.com\/oauth2\/authorize\?client_id=(\d+)"
  @commands.command(pass_context=True, aliases=['addbot'])
  @commands.bot_has_permissions(manage_server=True)
  async def oauth(self, ctx, url:str):
    regex = re.compile(self.oauth_regex)
    match = regex.findall(url)
    if len(match) == 1:
      client_id = match[0]
    else:
      await self.bot.say(":exclamation: Invalid OAUTH URL")
      return
    oauth_url = "https://discordapp.com/oauth2/authorize?client_id={0}&scope=bot".format(client_id)
    payload = {"guild_id": ctx.message.server.id, "permissions": 0, "authorize": 'true'}
    headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:43.0) Gecko/20100101 Firefox/43.0', 'authorization': self.bot.http.token}
    r = requests.post(oauth_url, data=payload, headers=headers)
    print(r.text)
    print(r.json())
    if discord.Server.get_member(ctx.message.server, user_id=client_id):
      bot_user = discord.Server.get_member(ctx.message.server, user_id=client_id)
      msg = "Name: {0}\n".format(bot_user.name)
      msg += "ID: {0}\n".format(bot_user.id)
      if bot_user.avatar:
        msg += "Avatar: {0}".format(bot_user.avatar_url)
      await self.bot.say(cool.format(msg)+":ok:")
    else:
      await self.bot.say(":warning: An Error has Occured While Attempting To Add The Bot")