main.py

from google.appengine.api import mail
from bs4 import BeautifulSoup
import requests
from requests_toolbelt.adapters import appengine
import webapp2

from formdata import FORM_DATA
from contact import EMAIL_SENDER, EMAIL_RECIPIENT

appengine.monkeypatch()

def send_price_alert(price):
    mail.send_mail(
        to=EMAIL_RECIPIENT,
        subject='HeliJet Price Alert',
        sender=EMAIL_SENDER,
        body='There are flights available for ${}'.format(price)
    )
    # print('would have sent price alert for {}'.format(price))

# Location 3=Vic, location 2=Van
class PriceCheck(webapp2.RequestHandler):
    def get(self):
        headers = {
            'Content-Type': 'application/x-www-form-urlencoded',
            'Accept': 'text/html',
            'Cookie': 'ASP.NET_SessionId=umrvj4t0np4c01rt14lcpxz0; CookieValidation=yes'
        }
        searches= [
                {
                    'departure':3,
                    'arrival':2,
                    'month':12,
                    'day':15,
                    'year':2017
                },
                {
                    'departure':2,
                    'arrival':3,
                    'month':12,
                    'day':18,
                    'year':2017
                }
            ]


        for search in searches:
            r = requests.post('https://bookings.blueskybooking.com/Booking.aspx?Company_ID=54', headers=headers, data=FORM_DATA.format(**search))
            soup = BeautifulSoup(r.text.encode('utf-8'), 'html.parser')
            price_as = soup.find_all('a', {'class': 'ui-link-global-schedules-dialog-fare'})
            prices = []
            for price_a in price_as:
                prices.append(float(price_a.find('span').text[1:]))
            min_price = min(prices)
            if min_price < 200:
                send_price_alert(min_price)

app = webapp2.WSGIApplication([
    ('/pricecheck', PriceCheck),
])