Download all Meijer mPerks PDF receipts

mperks.py

import requests
import os
import time

# This should be extracted from your browser session.
cookies = {
    "digital-token": "",
    "user_state": "",
}

headers = {
    "User-Agent": "Mozilla/5.0 (Linux x86_64; rv:101.0) Gecko/20100101 Firefox/101.0",
    "Origin": "https://www.meijer.com",
    "Connection": "keep-alive",
}

json_data = {
    "fromDate": "2000-01-01",
    "toDate": time.strftime("%Y-%m-%dT23:59:59", time.gmtime(time.time() + 60 * 60 * 24 * 365)),
    "type": 1,
}


if __name__ == "__main__":
    receipt_dic = {}
    mperks_json = (requests.post("https://www.meijer.com/bin/meijer/receipts",
                                 cookies=cookies, headers=headers, json=json_data)).json()
    if mperks_json:
        print("Successfully retrieved receipts IDs from Meijer")
    for i in mperks_json["receipts"]:
        href = requests.post("https://www.meijer.com/bin/meijer/receipts", cookies=cookies,
                             headers=headers, data="{receiptId:" + i["receiptId"] + ",formatType:PDF,type:2}").text
        receipt_dic[i["receiptId"]] = href[1:-1]
        if href:
            print(
                f"Successfully affiliated receipt {i['receiptId']} with {href[1:-1]}.")
    if not os.path.exists("output"):
        os.makedirs("output")
        print("Successfully created output directory.")
    for receipt, href in receipt_dic.items():
        with open("output/Meijer_receipt_" + receipt + ".pdf", "wb") as f:
            # If the receipt submitted online rather than checkout, the href will be null.
            if href:
                f.write(requests.get(href).content)
                print(f"Receipt {receipt} downloaded.")