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chatbot.py
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chatbot.py
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import sys
import irc.bot
import requests
import boto3
from irc.schedule import DefaultScheduler
import uuid
import time
import os
VOTE_DURATION = 60
class InvalidVote(Exception):
pass
class TwitchBot(irc.bot.SingleServerIRCBot):
def __init__(self, username, client_id, token, channel):
self.client_id = client_id
self.token = token
self.channel = '#' + channel
self.vote_translation = {
'all': 'ALL',
'disco': 'DISCO',
'tree': 'TREE',
'santa': 'SANTA_HOUSE',
'postoffice': 'POST_OFFICE',
'elves': 'ELVES_HOUSE',
'reindeer': 'REINDEER_STABLES',
'train': 'TRAIN'
}
self.vote_types = self.vote_translation.keys()
self.votes = dict()
self.users_voted = set()
self.reset_votes()
self.last_vote_cast_time = time.time()
# Get the channel id, we will need this for v5 API calls
url = 'https://api.twitch.tv/kraken/users?login=' + channel
headers = {'Client-ID': client_id, 'Accept': 'application/vnd.twitchtv.v5+json'}
r = requests.get(url, headers=headers).json()
self.channel_id = r['users'][0]['_id']
# Create IRC bot connection
server = 'irc.chat.twitch.tv'
port = 6667
'Connecting to ' + server + ' on port ' + str(port) + '...'
irc.bot.SingleServerIRCBot.__init__(self, [(server, port, 'oauth:' + token)], username, username)
def tally_votes(self):
print('Counting votes')
max_count = 0
voted_type = None
for vote_type in self.vote_types:
if self.votes[vote_type] > max_count:
max_count = self.votes[vote_type]
voted_type = vote_type
if voted_type is not None:
self.msg_vote(voted_type, max_count)
self.send_vote_to_sqs(voted_type)
self.reset_votes()
def msg_vote(self, vote, count):
c = self.connection
c.privmsg(self.channel, 'Casting vote: {} with {} votes'.format(vote, count))
def send_vote_to_sqs(self, vote):
print('Sending {} to village'.format(vote))
sqs = boto3.resource('sqs',
region_name='us-east-1',
aws_secret_access_key=os.getenv('AWS_SECRET', ''),
aws_access_key_id=os.getenv('AWS_KEY', ''),
use_ssl=True)
queue = sqs.Queue(os.getenv('SQS_QUEUE', ''))
v = self.vote_translation[vote]
queue.send_message(MessageBody=v, MessageGroupId='1', MessageDeduplicationId=str(uuid.uuid4()))
return queue
def reset_votes(self):
for vote_type in self.vote_types:
self.votes[vote_type] = 0
self.users_voted = set()
self.last_vote_cast_time = time.time()
def on_welcome(self, c, e):
print('Joining ' + self.channel)
# You must request specific capabilities before you can use them
c.cap('REQ', ':twitch.tv/membership')
c.cap('REQ', ':twitch.tv/tags')
c.cap('REQ', ':twitch.tv/commands')
c.join(self.channel)
def on_pubmsg(self, c, e):
# If a chat message starts with an exclamation point, try to run it as a command
if e.arguments[0][:1] == '!':
cmd = e.arguments[0].split(' ')[0][1:]
# print('Received command: ' + cmd)
self.do_command(e, cmd)
return
def parse_vote_event(self, event):
param = event.arguments[0].lower()
vote = param.split(' ')[1]
if vote not in self.vote_types:
valid_types = ' | '.join(self.vote_types)
raise InvalidVote('Invalid vote type: {} Try from the following: {}'.format(vote, valid_types))
return vote
def parse_user_id(self, event):
return event.tags[11]['value']
def handle_vote(self, vote, user):
if user in self.users_voted:
seconds_until_vote_allowed = VOTE_DURATION - (time.time() - self.last_vote_cast_time)
raise InvalidVote('You have already voted. You can vote again in {:.0f} seconds'.format(seconds_until_vote_allowed))
if vote in self.votes:
self.votes[vote] += 1
self.users_voted.add(user)
print(vote, user)
def do_command(self, event, cmd):
c = self.connection
if cmd == 'vote':
try:
vote = self.parse_vote_event(event)
user_id = self.parse_user_id(event)
self.handle_vote(vote, user_id)
c.privmsg(self.channel, 'Added your vote {}'.format(vote))
except InvalidVote as ex:
c.privmsg(self.channel, str(ex))
else:
c.privmsg(self.channel, 'Did not understand command: ' + cmd)
c.privmsg(self.channel, 'Try: !vote elves')
def main():
if len(sys.argv) != 5:
print('Usage: twitchbot <username> <client id> <token> <channel>')
sys.exit(1)
username = sys.argv[1]
client_id = sys.argv[2]
token = sys.argv[3]
channel = sys.argv[4]
scheduler = DefaultScheduler()
bot = TwitchBot(username, client_id, token, channel)
scheduler.execute_every(VOTE_DURATION, bot.tally_votes)
bot.reactor.scheduler = scheduler
bot.start()
if __name__ == '__main__':
main()