def getCachedData(cache, userAgent, remoteAddress, checkIn, checkout):
if cache:
newYorkHotelIds = memcache.get('newYorkHotelIds')
if newYorkHotelIds is None:
newYorkHotelIds = []
cacheKey = memcache.get('cacheKey')
cacheLocation = memcache.get('cacheLocation')
response = {'RESULT_NULL':'RESULT'}
if memcache.get('fullCache') == None:
response = json.load(urllib.urlopen(getSigUrl(userAgent, remoteAddress, cacheKey, cacheLocation,
checkIn=None, checkout=None)))
if str(response).find('RESULT_NULL') >= 0:
memcache.add(key='fullCache', value='Full', time=14400) #cached for 4 hours
else:
hotels = []
try:
hotels = response['HotelListResponse']['HotelList']['HotelSummary']
except:
logging.error('url: %s', getSigUrl(userAgent, remoteAddress, cacheKey, cacheLocation,
checkIn=None, checkout=None))
logging.error(str(response))
if not isinstance(hotels, types.ListType):
hotels = [hotels]
for hotel in hotels:
if memcache.add(key=str(hotel['hotelId']), value=hotel, time=86400):
newYorkHotelIds.append(hotel['hotelId'])
cacheKey = response['HotelListResponse']['cacheKey']
cacheLocation = response['HotelListResponse']['cacheLocation']
memcache.set(key="newYorkHotelIds", value=newYorkHotelIds, time=86400) #cached for 24 hours
memcache.set(key="cacheKey", value=cacheKey, time=300) #cached for 5 minutes
memcache.set(key="cacheLocation", value=cacheLocation, time=300)
logging.info('len of newYorkHotelIds: %s', len(newYorkHotelIds))
hotelId = choice(newYorkHotelIds)
hotel = memcache.get(key=str(hotelId))
while hotel is None and len(newYorkHotelIds) > 0:
if memcache.delete(str(hotelId)):
newYorkHotelIds.remove(hotelId)
logging.warning('Cached hotelId: %s was deleted.', str(hotelId))
memcache.set(key="newYorkHotelIds", value=newYorkHotelIds, time=86400) #cached for 24 hours
hotelId = choice(newYorkHotelIds)
hotel = memcache.get(key=str(hotelId))
else:
logging.error('Failed to delete %s due to DELETE_NETWORK_FAILURE', str(hotelId))
if len(newYorkHotelIds) < 10:
logging.error('Cache size below 10! Repopulating...')
memcache.flush_all()
hotel = getCachedData(cache, userAgent, remoteAddress, checkIn=checkIn, checkout=checkout)
return hotel
else:
result = json.load(urllib.urlopen(getSigUrl(userAgent, remoteAddress, '', '',
checkIn=checkIn, checkout=checkout)))
hotels = result['HotelListResponse']['HotelList']['HotelSummary']
return choice(hotels)
def get(self):
result = json.load(urllib.urlopen(getSigUrl()))
hotels = result['HotelListResponse']['HotelList']['HotelSummary']
hotel = choice(hotels)
self.response.write('<!DOCTYPE html>\n<html>\n<head>\n<title>Random Hotel</title>\n</head>\n<body>')
self.response.write('<a href="/about.html">about</a> ')
self.response.write('<a href="/">cached</a> ')
self.response.write('<a href="/no_memcache/">not cached</a>\n')
self.response.write('<h2>Random [New York] Hotel</h2>')
self.response.write('<a href="' + hotel['deepLink'] + '"><h3>' + hotel['name'] + '</h3></a>\n')
if 'thumbNailUrl' in hotel and hotel['thumbNailUrl'] is not None and hotel['thumbNailUrl'] != '':
self.response.write('<img src="http://images.travelnow.com' + hotel['thumbNailUrl'] + '">\n')
self.response.write(' ' + hotel['address1'] + ', ' + hotel['city'] + ', ' + hotel['stateProvinceCode'])
self.response.write('<br>\n')
if 'tripAdvisorRatingUrl' in hotel:
self.response.write('TripAdvisor Rating: <img src="' + hotel['tripAdvisorRatingUrl'] + '">\n')
self.response.write('<br><br><br><br><br>\n')
self.response.write('<h4>JSON snippet from EAN API response</h4>\n')
self.response.write('<pre>' + json.dumps(hotel, sort_keys = True, indent = 2) + '</pre>')
self.response.write('\n</body>\n</html>')