squat-piazza.py

from piazza_api import Piazza
import time
import requests
import json

EMAIL = 'you@mail.utoronto.ca'
PASSWORD = 'hunter2'
WEBHOOK_URL = 'https://hooks.slack.com/services/#####/##########'
CLASS_NAME = 'CSC209'
NETWORK_ID = 'jbcmehb923110u'

while True:
    print 'Logging into Piazza...'
    try:
        p = Piazza()
        p.user_login(email=EMAIL, password=PASSWORD)

        n = p.network(NETWORK_ID)

        latest_post = None
        next_latest_post = None

        while True:
            print 'Polling Piazza...'
            for post in n.iter_all_posts():
                if post['bucket_name'] == 'Pinned':
                    continue
                nr = post['nr']
                if latest_post is None:
                    print 'Most recent question ID:', nr
                    next_latest_post = nr
                    break
                if nr > latest_post:
                    question_url = 'https://piazza.com/class/%s?cid=%s' % (NETWORK_ID, nr)
                    print 'New post:', question_url
                    requests.post(WEBHOOK_URL, {'payload': json.dumps({
                                    'channel': '#general',
                                    'username': 'Make Piazza Great Again',
                                    'text': 'New post in %s: %s' % (CLASS_NAME, question_url),
                                    'icon_emoji': ':trumpwrong:'
                                 })})
                    next_latest_post = max(next_latest_post, nr)
                    
            latest_post = next_latest_post
            time.sleep(1)
    except KeyboardInterrupt:
        break
    except:
        import traceback
        traceback.print_exc()
        print 'Restarting app...'