fetch_catalog.py

#!/usr/bin/env python

import os
import requests

from datetime import datetime

def getPage(cursorMark):
	response = requests.get(
		'https://api.bestbuy.com/v1/products',
		params = {
			'pageSize': '100',
			'cursorMark': cursorMark,
			'format': 'json',
			'apiKey': os.environ['API_KEY'],
		})
	return response.json()

if __name__ == "__main__":
	page = getPage('*')		
	while len(page['products']) > 0:
		print('%s\tproducts: %s\tfirst product: %s' % (datetime.now(), len(page['products']), page['products'][0]['sku']))
		page = getPage(page['nextCursorMark'])