def test_memcache_wrapper(self):
try:
from django.core.cache.backends import memcached
from django.core.cache.backends import locmem
except InvalidCacheBackendError:
sys.stderr.write(
"\n* Memcache library is not installed. Skipping test.\n")
return
prev_cache_cls = memcached.CacheClass
memcached.CacheClass = locmem.CacheClass
prev_backend_module = sys.modules.pop("djcelery.backends.cache")
try:
from djcelery.backends.cache import cache, DjangoMemcacheWrapper
self.assertIsInstance(cache, DjangoMemcacheWrapper)
key = "cu.test_memcache_wrapper"
val = "The quick brown fox."
default = "The lazy dog."
self.assertEqual(cache.get(key, default=default), default)
cache.set(key, val)
self.assertEqual(pickle.loads(cache.get(key, default=default)),
val)
finally:
memcached.CacheClass = prev_cache_cls
sys.modules["djcelery.backends.cache"] = prev_backend_module
def test_memcache_wrapper(self):
try:
from django.core.cache.backends import memcached
from django.core.cache.backends import locmem
except InvalidCacheBackendError:
sys.stderr.write(
'\n* Memcache library is not installed. Skipping test.\n')
return
prev_cache_cls = memcached.CacheClass
memcached.CacheClass = locmem.CacheClass
prev_backend_module = sys.modules.pop('djcelery.backends.cache')
try:
from djcelery.backends.cache import cache
key = 'cu.test_memcache_wrapper'
val = 'The quick brown fox.'
default = 'The lazy dog.'
self.assertEqual(cache.get(key, default=default), default)
cache.set(key, val)
self.assertEqual(cache.get(key, default=default),
val)
finally:
memcached.CacheClass = prev_cache_cls
sys.modules['djcelery.backends.cache'] = prev_backend_module
def test_memcache_wrapper(self):
try:
from django.core.cache.backends import memcached
from django.core.cache.backends import locmem
except InvalidCacheBackendError:
sys.stderr.write(
'\n* Memcache library is not installed. Skipping test.\n')
return
try:
prev_cache_cls = memcached.CacheClass
memcached.CacheClass = locmem.CacheClass
except AttributeError:
return
prev_backend_module = sys.modules.pop('djcelery.backends.cache')
try:
from djcelery.backends.cache import cache
key = 'cu.test_memcache_wrapper'
val = 'The quick brown fox.'
default = 'The lazy dog.'
self.assertEqual(cache.get(key, default=default), default)
cache.set(key, val)
self.assertEqual(cache.get(key, default=default), val)
finally:
memcached.CacheClass = prev_cache_cls
sys.modules['djcelery.backends.cache'] = prev_backend_module
def test_memcache_wrapper(self):
try:
from django.core.cache.backends import memcached
from django.core.cache.backends import locmem
except InvalidCacheBackendError:
sys.stderr.write(
"\n* Memcache library is not installed. Skipping test.\n")
return
prev_cache_cls = memcached.CacheClass
memcached.CacheClass = locmem.CacheClass
prev_backend_module = sys.modules.pop("djcelery.backends.cache")
try:
from djcelery.backends.cache import cache, DjangoMemcacheWrapper
self.assertIsInstance(cache, DjangoMemcacheWrapper)
key = "cu.test_memcache_wrapper"
val = "The quick brown fox."
default = "The lazy dog."
self.assertEqual(cache.get(key, default=default), default)
cache.set(key, val)
self.assertEqual(pickle.loads(cache.get(key, default=default)),
val)
finally:
memcached.CacheClass = prev_cache_cls
sys.modules["djcelery.backends.cache"] = prev_backend_module
def get(self, request):
"""显示首页"""
context = cache.get('index_page_data')
if context is None:
types = GoodsType.objects.all()
goods_banners = IndexGoodsBanner.objects.all().order_by('index')
promotion_banners = IndexPromotionBanner.objects.all().order_by('index')
for type in types:
type.title_banners = IndexTypeGoodsBanner.objects.filter(type=type, display_type=0).order_by('index')
type.image_banners = IndexTypeGoodsBanner.objects.filter(type=type, display_type=1).order_by('index')
context = {'types': types,
'goods_banners': goods_banners,
'promotion_banners': promotion_banners}
cache.set('index_page_data', context, 3600)
user = request.user
cart_count = 0
if user.is_authenticated():
conn = get_redis_connection('default')
cart_key = 'cart_%d' % user.id
cart_count = conn.hlen(cart_key)
context.update(cart_count=cart_count)
return render(request, 'index.html', context)
