Acme Fresh Market Digital Coupon Clipper

acmestores.py

#!/usr/bin/python3
#
# Clip all available digital coupons for an Acme Fresh Market account.
#
# To avoid interactive prompts, either set environment variables
# ACME_STORES_USERNAME and ACME_STORES_PASSWORD or add credentials
# to you ~/.netrc file:
#
#   machine acmestores.com
#     login <ACME_STORES_USERNAME>
#     password <ACME_STORES_PASSWORD>
#

import getpass
import html.parser
import http
import json
import netrc
import os
import re
import urllib

# 3rd-party modules
import requests

# Show HTTP requests and responses
http.client.HTTPConnection.debuglevel = 0

USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0'
VERIFICATION_TOKEN_COOKIE_NAME = '__RequestVerificationToken'

def acme_stores_session_login(method):
    def inner(session, *args, **kwargs):
        """Log in to AcmeStores.com on first call"""
        if VERIFICATION_TOKEN_COOKIE_NAME not in session.cookies:
            url = '/account/login'
            response = session.get(url)
            response.raise_for_status()
            token = session.cookies.get(VERIFICATION_TOKEN_COOKIE_NAME, path='/')
            data = {
                'Email': session.email,
                'Password': session.password,
                VERIFICATION_TOKEN_COOKIE_NAME: token
            }
            response = session.post(url, data=data)
            response.raise_for_status()
        return method(session, *args, **kwargs)
    return inner


class AcmeStoresSession(requests.Session):
    """AcmeStores.com REST API session"""

    base_url = 'https://www.acmestores.com'

    def __init__(self, base_url=None):
        if base_url:
            self.base_url = base_url
        super().__init__()
        self.headers['User-Agent'] = USER_AGENT
        self.__get_credentials()
        self.cardno = None

    def __get_credentials(self):
        self.email = os.environ.get('ACME_STORES_USERNAME')
        self.password = os.environ.get('ACME_STORES_PASSWORD')
        if not (self.email and self.password):
            try:
                if auth := netrc.netrc().authenticators('acmestores.com'):
                    self.email, _, self.password = auth
            except FileNotFoundError:
                pass
        if not (self.email and self.password):
            print('Acme Fresh Market Login')
            self.email = input('Email: ').strip()
            self.password = getpass.getpass('Password: ').strip()

    def request(self, method, url, *args, **kwargs):
        """Send the request after generating the complete URL"""
        url = self.create_url(url)
        return super().request(method, url, *args, **kwargs)

    def create_url(self, url):
        """Create the URL based off this partial path"""
        return urllib.parse.urljoin(self.base_url, url)

    @acme_stores_session_login
    def get_digital_deals(self):
        """List available digital deals"""
        url = '/account/GetDigitalDeals'
        response = self.get(url)
        response.raise_for_status()
        data = response.json()
        self.cardno = data['cardNo']
        yield from data['offers']

    @acme_stores_session_login
    def clip_digital_deal(self, offer):
        """Clip a digital deal"""
        url = '/account/adddigitaldeal'
        body = {
            'cardNo': self.cardno,
            'offer': offer['Id'],
            'provider': offer['Provider'],
            'isGold': False
        }
        response = self.post(url, json=body)
        response.raise_for_status()
        data = response.json()
        return data['success']


def main():
    with AcmeStoresSession() as session:
        clipped = 0
        for offer in session.get_digital_deals():
            if offer['Clips'] == 0 and session.clip_digital_deal(offer):
                print('CLIPPED:', offer['Description'].strip())
                clipped += 1
        print(clipped, 'coupons clipped')

if __name__ == '__main__':
    main()