Resident Advisor watcher

check_ra.py

# vim: autoindent et ts=4 sw=4 ft=python
import requests
import lxml.html
import traceback

URL = 'https://www.residentadvisor.net/event.aspx?event_id'

SLACK_URL = 'https://hooks.slack.com/services/Twebhook_url_herek'

def ticket_available(url):
    page = lxml.html.document_fromstring(requests.get(url).text)
    try:
        page.get_element_by_id('buynow')
    except KeyError: return False
    else: return True

def notify_ok(url):
    return slack_say('Ticket available on <{}>'.format(url))

def slack_say(message):
    requests.post(SLACK_URL,
        json={'text': message})

if __name__ == '__main__':
    try:
        if ticket_available(URL): notify_ok(URL)
        else: pass
    except:
        slack_say(traceback.format_exc())

requirements.txt

lxml
requests