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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2014 Google Inc. All Rights Reserved.
"""Queries with paginated results against the shopping search API"""
import pprint
from googleapiclient.discovery import build
try:
input = raw_input
except NameError:
pass
SHOPPING_API_VERSION = "v1"
DEVELOPER_KEY = "<YOUR DEVELOPER KEY>"
def main():
"""Get and print a the entire paginated feed of public products in the United
States.
Pagination is controlled with the "startIndex" parameter passed to the list
method of the resource.
"""
client = build("shopping", SHOPPING_API_VERSION, developerKey=DEVELOPER_KEY)
resource = client.products()
# The first request contains the information we need for the total items, and
# page size, as well as returning the first page of results.
request = resource.list(source="public", country="US", q="digital camera")
response = request.execute()
itemsPerPage = response["itemsPerPage"]
totalItems = response["totalItems"]
for i in range(1, totalItems, itemsPerPage):
answer = input(
"About to display results from %s to %s, y/(n)? " % (i, i + itemsPerPage)
)
if answer.strip().lower().startswith("n"):
# Stop if the user has had enough
break
else:
# Fetch this series of results
request = resource.list(
source="public", country="US", q="digital camera", startIndex=i
)
response = request.execute()
pprint.pprint(response)
if __name__ == "__main__":
main()
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