Changes between Version 2 and Version 3 of WebServices


Ignore:
Timestamp:
06/01/2007 08:42:10 PM (8 years ago)
Author:
Simon G. <dev@…>
Comment:

vandalism revert

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  • WebServices

    v2 v3  
    1 == '''''1923turk grup deuksX>>''''' ==
     1Here's a quick example of accessing [http://www.amazon.com/gp/browse.html/103-7129557-6640636?%5Fencoding=UTF8&node=3435361 Amazon Web Services] using Python.  You must first download and install [http://uche.ogbuji.net/tech/4suite/amara/ Amara] and obtain a Amazon Web Services access key.
     2{{{
     3from httplib import HTTPConnection
     4from urlparse import urlparse, urlunparse
     5import amara
     6 
     7def paramunparse(params):
     8    result = ""
     9    for k, v in params.iteritems():
     10        result += k + "=" + v + "&"
     11    return result.rstrip('&')
     12 
     13AWSAccessKeyId = [Your Access Key ID Here]
     14isbn = '0-3951-7711-1'
     15# ISBN's are sometimes formatted with hyphens
     16# The ASIN for books is equal to the ISBN with no hyphens
     17asin = isbn.replace('-','') 
     18host = 'webservices.amazon.com'
     19path = '/onca/xml'
     20params = { 'Service': 'AWSECommerceService', 
     21           'AWSAccessKeyId': AWSAccessKeyId, 
     22           'Operation': 'ItemLookup', 
     23           'MerchantId': 'Featured',
     24           'IdType': 'ASIN',
     25           'ResponseGroup': 'Medium',
     26           'ItemId': asin}
     27 
     28query = urlunparse(('','',path, '', paramunparse(params), ''))
     29print 'http://'+host+query
     30conn = HTTPConnection(host)
     31conn.request('GET',query)
     32xmlresponse = conn.getresponse().read()
     33doc = amara.parse(xmlresponse)
     34print "Found", len(doc.ItemLookupResponse.Items.Item), "items."
     35print "Looking at first item"
     36item = doc.ItemLookupResponse.Items.Item[0]
     37print "Title:", item.ItemAttributes.Title
     38print "Authors:", 
     39for author in item.ItemAttributes.Author:
     40    print author.__str__() + ";",
     41 
     42print 
     43price = item.OfferSummary.LowestNewPrice.Amount #unformatted
     44print "List Price:", item.ItemAttributes.ListPrice.FormattedPrice
     45print "Amazon Price:", item.OfferSummary.LowestNewPrice.FormattedPrice
     46}}}
     47 
     48Although this article is not directly related to Django, it will undoubtly be useful for many Django newbies.
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