def tracks(self):
# We might be missing related items data entirely, in which case we start by issuing a lookup there.
# TODO: This probably could be done as part of one lookup with the one about to be made.
try:
tracks = list(xp(self.data, 'RelatedItems')['c']['RelatedItem'])
except KeyError:
try:
self._issueLookup()
except LookupRequiredError:
return []
try:
tracks = list(xp(self.data, 'RelatedItems')['c']['RelatedItem'])
page_count = int(xp(self.data, 'RelatedItems', 'RelatedItemPageCount')['v'])
for i in range(1,page_count):
page = i+1
self.countLookupCall('tracks')
data = globalAmazon().item_lookup(ItemId=self.key,
ResponseGroup='Large,RelatedItems',
RelationshipType='Tracks',
RelatedItemPage=str(page),
timeout=MERGE_TIMEOUT)
tracks.extend( xp(data, 'ItemLookupResponse', 'Items', 'Item', 'RelatedItems')['c']['RelatedItem'] )
track_d = {}
for track in tracks:
track_d[ int(xp(track, 'Item', 'ItemAttributes', 'TrackSequence')['v']) ] = {
'name' : xp(track, 'Item', 'ItemAttributes', 'Title')['v'],
'key' : xp(track, 'Item', 'ASIN')['v'],
}
return [ track_d[k] for k in sorted(track_d) ]
except LookupRequiredException:
return []
except Exception:
# TODO: It seems possible that only one of the requests failed; shouldn't we keep the results of the others?
report()
return []
def _issueLookup(self):
# Slightly ugly -- calling ResolverObject method just because we know all _AmazonObject implementations also
# inherit from ResolverObject. TODO: Get rid of multiple inheritance!
# We don't catch the LookupRequiredError here because if you are initializing a capped-lookup object without
# passing in initial data, you are doing it wrong.
self.countLookupCall('base data')
raw = globalAmazon().item_lookup(timeout=MERGE_TIMEOUT, **self.__params)
self.__data = xp(raw, 'ItemLookupResponse','Items','Item')
def __searchIndexLite(self, searchIndexData, queryText, results, timeout):
searchResults = globalAmazon().item_search(timeout=timeout, SearchIndex=searchIndexData.searchIndexName,
ResponseGroup=searchIndexData.responseGroups, Keywords=queryText, Count=25, priority='high')
#print "\n\n\n\nAMAZON\n\n\n\n\n"
#pprint(searchResults)
#print "\n\n\n\nENDMAZON\n\n\n\n\n"
indexResults = []
for item in _getSearchResults(searchResults):
parsedItem = searchIndexData.proxyConstructor(item, maxLookupCalls=0)
if parsedItem:
indexResults.append(parsedItem)
results[searchIndexData.searchIndexName] = indexResults
def entityProxyFromKey(self, key, **kwargs):
try:
lookupData = globalAmazon().item_lookup(ResponseGroup='Large', ItemId=key, timeout=MERGE_TIMEOUT)
result = _getLookupResult(lookupData)
kind = xp(result, 'ItemAttributes', 'ProductGroup')['v'].lower()
logs.debug(kind)
if kind == 'book' or kind == 'ebooks':
return AmazonBook(key, result, 0)
if kind == 'video games':
return AmazonVideoGame(key, result, 0)
return self.__constructMusicObjectFromResult(result, 0)
except KeyError:
logs.report()
return None
def gen():
try:
for params in queries:
test = params.pop('test', lambda x: True)
if 'SearchIndex' not in params:
params['SearchIndex'] = 'All'
if 'ResponseGroup' not in params:
params['ResponseGroup'] = "ItemAttributes"
results = globalAmazon().item_search(timeout=SEARCH_TIMEOUT, **params)
for item in _getSearchResults(results):
try:
if test == None or test(item):
yield xp(item, 'ASIN')['v'], item
except Exception:
pass
except GeneratorExit:
pass
