def method(self, operation, **kwargs):
aws_conn = AWSQueryConnection(
aws_access_key_id=self.aws_access_key_id,
aws_secret_access_key=self.aws_secret_access_key, is_secure=False,
host='ecs.amazonaws.com')
aws_conn.SignatureVersion = '2'
kwargs.update(dict(
Service='AWSECommerceService',
Version=Parser.version,
SignatureVersion=aws_conn.SignatureVersion,
AWSAccessKeyId=self.aws_access_key_id,
AssociateTag=self.aws_associate_tag,
Timestamp=time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime()),
Operation=operation,
))
verb = 'GET'
path = '/onca/xml'
qs, signature = aws_conn.get_signature(kwargs, verb, path)
qs = path + '?' + qs + '&Signature=' + urllib.quote(signature)
xml_response = StringIO(aws_conn._mexe(verb, qs, None, headers={
'User-Agent': 'AWSECommerceClient.py',
}).read())
try:
return Parser.parse_file(xml_response)
except:
# Log the original response and the exception.
log.error("Error parsing response:\n"+xml_response.getvalue())
raise
def amz_call(self, call_params):
AWS_ACCESS_KEY_ID = '1PKXRTEQQV19XXDW3ZG2'
AWS_ASSOCIATE_TAG = 'whotookmybook-20'
import time
from boto.connection import AWSQueryConnection
aws_conn = AWSQueryConnection(
aws_access_key_id=AWS_ACCESS_KEY_ID,
aws_secret_access_key=Amz.AWS_SECRET_ACCESS_KEY, is_secure=False,
host='ecs.amazonaws.com')
aws_conn.SignatureVersion = '2'
base_params = dict(
Service='AWSECommerceService',
Version='2008-08-19',
SignatureVersion=aws_conn.SignatureVersion,
AWSAccessKeyId=AWS_ACCESS_KEY_ID,
AssociateTag=AWS_ASSOCIATE_TAG,
Timestamp=time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime()))
#http://stackoverflow.com/questions/38987/how-can-i-merge-two-python-dictionaries-as-a-single-expression
params = dict(base_params, **call_params)
verb = 'GET'
path = '/onca/xml'
qs, signature = aws_conn.get_signature(params, verb, path)
qs = path + '?' + qs + '&Signature=' + urllib.quote(signature)
return aws_conn._mexe(verb, qs, None, headers={})
def get(keywords):
aws_conn = AWSQueryConnection(
aws_access_key_id=ACCESS_KEY_ID,
aws_secret_access_key=SECRET_ACCESS_KEY,
is_secure=False,
host="ecs.amazonaws.com")
aws_conn.SignatureVersion = "2"
params = dict(
Service='AWSECommerceService',
Version='2008-08-19',
SignatureVersion=aws_conn.SignatureVersion,
AWSAccessKeyId=ACCESS_KEY_ID,
AssociateTag=ASSOCIATE_TAG,
Operation="ItemSearch",
SearchIndex="All",
Keywords=keywords,
ResponseGroup="ItemAttributes",
Timestamp=time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime()),
)
verb = 'GET'
path = "/onca/xml"
qs, signature = aws_conn.get_signature(params, verb, path)
qs = path + '?' + qs + '&Signature=' + urllib.quote(signature)
response = aws_conn._mexe(verb, qs, None, headers={})
content = response.read()
tree = ET.fromstring(content)
NS = tree.tag.split("}")[0][1:]
res = []
for item in tree.find('{%s}Items' % NS).findall('{%s}Item' % NS):
item_dic = {}
attrs = item.find('{%s}ItemAttributes' % NS)
if attrs is not None:
isbn = attrs.find('{%s}ISBN' % NS)
if isbn is not None:
item_dic['ISBN'] = isbn.text
title = attrs.find('{%s}Title' % NS)
if title is not None:
item_dic['Title'] = title.text
author = attrs.find('{%s}Author' % NS)
if author is not None:
item_dic['Author'] = author.text
if 'ISBN' in item_dic and 'Title' in item_dic:
res.append(item_dic)
return res
def get_ecs_response(params):
"""Call Amazon ECS with the given parameters and return the raw XML response"""
try:
aws_conn = AWSQueryConnection(
aws_access_key_id=settings.AWS_ACCESS_KEY_ID,
aws_secret_access_key=settings.AWS_SECRET_ACCESS_KEY,
is_secure=False,
host='ecs.amazonaws.com',
)
aws_conn.SignatureVersion = '2'
base_params = dict(
Service='AWSECommerceService',
Version='2008-08-19',
SignatureVersion=aws_conn.SignatureVersion,
AWSAccessKeyId=settings.AWS_ACCESS_KEY_ID,
AssociateTag=settings.AWS_ASSOCIATE_TAG,
Operation='ItemSearch',
IdType='ASIN',
ResponseGroup='Small',
Timestamp=time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime())
)
if params:
base_params.update(params)
verb = 'GET'
path = '/onca/xml'
qs, signature = aws_conn.get_signature(base_params, verb, path)
qs = path + '?' + qs + '&Signature=' + urllib.quote(signature)
time.sleep(0.5) # throttle
response = aws_conn._mexe(verb, qs, None, headers={})
resp = response.read()
_log.debug("ECS Response: %s", resp)
return resp
except Exception, e:
_log.debug("AWS ASIN call failed for params: %s", params)
_log.debug(e)
return u''
def create_amazon_book_by_asin(self, asin):
AWS_ACCESS_KEY_ID = settings.AWS_ACCESS_KEY_ID
AWS_ASSOCIATE_TAG = settings.AWS_ASSOCIATE_TAG
AWS_SECRET_ACCESS_KEY = settings.AWS_SECRET_ACCESS_KEY
search_index = 'Book'
aws_conn = AWSQueryConnection(
aws_access_key_id=AWS_ACCESS_KEY_ID,
aws_secret_access_key=AWS_SECRET_ACCESS_KEY, is_secure=False,
host='ecs.amazonaws.com')
aws_conn.SignatureVersion = '2'
params = dict(
Service='AWSECommerceService',
Version='2008-08-19',
SignatureVersion=aws_conn.SignatureVersion,
AWSAccessKeyId=AWS_ACCESS_KEY_ID,
AssociateTag=AWS_ASSOCIATE_TAG,
Operation='ItemLookup',
ItemId=asin,
ResponseGroup='ItemAttributes,Large, Images,Reviews',
Timestamp=time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime()))
verb = 'GET'
path = '/onca/xml'
qs, signature = aws_conn.get_signature(params, verb, path)
qs = path + '?' + qs + '&Signature=' + urllib.quote(signature)
#print "verb:", verb, "qs:", qs
response = aws_conn._mexe(verb, qs, None, headers={})
returned_xml = self.raw_xml = myxml = str(response.read())
returned_xml = returned_xml.replace(" xmlns=\"http://webservices.amazon.com/AWSECommerceService/2008-08-19\"", '')
doc = ElementTree.fromstring(returned_xml)
try:
self.title = doc.find('Items/Item/ItemAttributes/Title').text
except:
self.title = ""
#self.author = doc.find('Items/Item/ItemAttributes/Author').text
author_list = doc.findall('Items/Item/ItemAttributes/Author')
for a in author_list:
self.authors.append(a.text)
try:
self.edition = doc.find('Items/Item/ItemAttributes/Edition').text
except:
self.edition = ""
try:
self.list_price = doc.find('Items/Item/ItemAttributes/ListPrice/FormattedPrice').text
except AttributeError:
self.list_price = ""
try:
self.sale_price = doc.find('Items/Item/Offers/Offer/OfferListing/Price/FormattedPrice').text
except AttributeError:
self.sale_price = ""
try:
self.amount_saved = doc.find('Items/Item/Offers/Offer/OfferListing/AmountSaved/FormattedPrice').text
except AttributeError:
self.amount_saved = ""
try:
self.percentage_saved = doc.find('Items/Item/Offers/Offer/OfferListing/PercentageSaved').text
except AttributeError:
self.percentage_saved = ""
try:
self.ISBN = doc.find('Items/Item/ItemAttributes/ISBN').text
except AttributeError:
self.ISBN = ""
try:
self.ASIN = doc.find('Items/Item/ASIN').text
except:
self.ASIN = ""
try:
self.binding = doc.find('Items/Item/ItemAttributes/Binding').text
except:
self.binding = ""
try:
self.detail_url = doc.find('Items/Item/DetailPageURL').text
except:
self.detail_url = ""
try:
temp_date = doc.find('Items/Item/ItemAttributes/PublicationDate').text
except:
self.date = ""
try:
# convert to struct_time, then to datetime obj
c = time.strptime(temp_date,"%Y-%m-%d")
d = datetime.datetime(*c[:6])
self.publication_date = d
except:
self.publication_date = ""
try:
self.publisher = doc.find('Items/Item/ItemAttributes/Publisher').text # this should be a tag so it becomes a link to view more books by publisher
except:
self.publisher = ""
try:
self.pages = doc.find('Items/Item/ItemAttributes/NumberOfPages').text
except AttributeError:
self.page= ""
try:
self.lrg_image = doc.find('Items/Item/LargeImage/URL').text
except AttributeError:
self.lrg_img = ""
try:
self.med_image = doc.find('Items/Item/MediumImage/URL').text
except AttributeError:
self.med_image= ""
try:
self.tiny_image = doc.find('Items/Item/ImageSets/ImageSet/TinyImage/URL').text
except AttributeError:
self.tiny_image = ""
editorials = doc.findall('Items/Item/EditorialReviews/EditorialReview')
for reviews in editorials:
if reviews.find('Source').text == "Product Description":
self.description = reviews.find('Content').text
else:
ed = AmazonEditorial()
ed.source = reviews.find('Source').text
ed.content = reviews.find('Content').text
self.editorial_reviews.append(ed)
creators = doc.findall('Items/Item/ItemAttributes/Creator')
for creator in creators:
cr = AmazonBookCreator()
cr.name = creator.text
cr.role = creator.attrib['Role']
self.creators.append(cr)
