Slacker-asyncio is a full-featured Python interface for the Slack API. Slacker is a fork of slacker to asyncio.
import asyncio
from slacker import Slacker
@asyncio.coroutine
def run():
slack = Slacker('<your-slack-api-token-goes-here>')
# Send a message to #general channel
yield from slack.chat.post_message('#general', 'Hello fellow slackers!', as_user=True)
# Get users list
response = yield from slack.users.list()
users = response.body['members']
# Upload a file
yield from slack.files.upload('hello.txt')
loop = asyncio.get_event_loop()
loop.run_until_complete(run())$ pip install slacker-asyncio