Fetch kittens available for adoption and notify if there are new ones.

ohs-kittens.py

#!/usr/bin/env python

# Fetch current kittens available for adoption and notify if there are new ones.

import sys
import requests
import logging
import re
import json
from datetime import datetime
from datetime import date

KITTENS_QUERY = "https://www.oregonhumane.org/adopt/?type=cats&mode=adv&age=kitten"
PUSHCUT_NOTIFICATION_URL = "https://api.pushcut.io/YOURTOKEN/notifications/YOURACTION"

# File that will be read and written to in the working directory.
# Before first run this should contain an empty array, or you will get an error.
JSON_FILENAME = 'kittens.json'

def save(new_kittens):
    with open(JSON_FILENAME, 'w', encoding='utf-8') as f:
        json.dump(new_kittens, f, ensure_ascii=False, indent=2)

r = requests.get(KITTENS_QUERY)

if r.status_code == 200:
    m = re.findall(r'class="result-item"', r.text)
    total_kittens = len(m)

    m = re.findall(r'data-ohssb-name="(.+?)"', r.text)
    names = m

    m = re.findall(r'<strong>Date Available:</strong> (.+?) </div>', r.text)
    dates = m

    m = re.findall(r'<span class="id">(.+?)</span>', r.text)
    ids = m

    # Load existing JSON and ids to compare.
    current_kittens = []
    with open(JSON_FILENAME) as f:
        current_kittens = json.load(f)
    
    current_ids = []
    for a_current_kitten in current_kittens:
        current_ids.append(a_current_kitten['id'])

    new_kittens = []
    has_new_id = False
    new_ids = 0
    for idx, a_name in enumerate(names):
        a_kitten = {}
        a_kitten['name'] = names[idx]
        a_kitten['date'] = dates[idx]
        an_id = ids[idx]
        a_kitten['id'] = an_id
        if current_ids.count(an_id) == 0:
            has_new_id = True
            new_ids += 1
        new_kittens.append(a_kitten)
    
    # If there's a new ID, send a notification
    if has_new_id:
        notification = {}
        notification['title'] = "Kittens!"
        notification['text'] = f"{new_ids} new kittens!"
        r = requests.post(PUSHCUT_NOTIFICATION_URL, json=notification)
        print(r.status_code)
        if r.status_code == 200:
            # Save new JSON only if notification was successful
            save(new_kittens)
    else:
        save(new_kittens)