def _(site, total, page, num, *args, **kwargs):
params = {'sid': site.id, 'page': page, 'num': num}
params.update(kwargs)
page_key = page_prefix.format(**params)
count_key = count_prefix.format(**params)
count = rds.get(count_key)
if count and int(count) == int(total):
logger.info('get page from cache')
result = rds.lrange(page_key, 0 ,-1)
return (create_obj(r) for r in result)
else:
logger.info('page cache miss')
rds.delete(page_key)
data = f(site, total, page, num, *args, **kwargs)
def iterator():
result = []
for item in data:
result.append(
msgpack.dumps(
[(key, getattr(item, key, None)) for key in attrs], \
default=str)
)
yield item
if result:
rds.rpush(page_key, *result)
rds.set(count_key, total)
return iterator()
def _(site, id, *args, **kwargs):
params = {'sid': site.id, 'id': id}
params.update(kwargs)
cache_key = prefix.format(**params)
obj = rds.get(cache_key)
if obj is not None:
logger.info('get obj from cache')
if not obj:
return obj
return create_obj(obj)
else:
logger.info('obj cache miss')
obj = f(site, id, *args, **kwargs)
value = ''
if obj:
value = msgpack.dumps([(attr, getattr(obj, attr, None)) for attr in attrs], default=str)
rds.set(cache_key, value)
return obj
