Automatically retrieves available delivery slots from Ocado.com

getslots.py

### COPYRIGHT PAUL ADAMS 2020. ALL RIGHTS RESERVED. ###

import os
import time
import requests
import datetime

W3_SESSION_ID = "" # replace with your W3SESSIONID cookie
OCADO_SESSION_ID = "" # replace with your OCADOSESSIONID cookie


def notify(title, subtitle, message, notifySound):
    t = '-title {!r}'.format(title)
    s = '-subtitle {!r}'.format(subtitle)
    m = '-message {!r}'.format(message)
    n = '-sound {!r}'.format(notifySound)
    os.system('terminal-notifier {}'.format(' '.join([m, t, s, n])))


tomorrow = datetime.date.today() + datetime.timedelta(days=1)

try:
    while True:
        print("Searching for slots...")

        res = requests.get('https://www.ocado.com/webshop/getUpdatedSlotBooking.do', params={
            'ajax': True,
            'date': tomorrow.strftime('%Y-%m-%d')
        }, headers={
            'X-Requested-With': 'XMLHttpRequest',  # pretend we're making an ajax request
            # pretend we're using Google Chrome
            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.162 Safari/537.36'
        }, cookies={
            'W3SESSIONID': W3_SESSION_ID,
            'OCADOSESSIONID': OCADO_SESSION_ID
        }).json()

        slots = []

        for day in res['days']:
            for slotsByTime in day['slots'].values():
                slots += slotsByTime

        if len(slots) < 1:
            print("No slots found")
        else:
            notify("Slots found!", "Ocado.com",
                "Delivery slots were found on Ocado.com", "blow")

        time.sleep(5)
except KeyboardInterrupt:
    print("Goodbye")

• Install terminal-notifier https://github.com/julienXX/terminal-notifier
  brew install terminal-notifier
• Install python packages
  pip install requests
• Run script
  python3 getslots.py
• Sit back and relax

Hi Paul, given Ocado’s recent changes to their website and slot availability, are you able to get this code to still run successfully?