def ugc_control_set(user_id,obj_type,obj_id,timeout):
"""
设置UGC的时间
可以在执行ugc操作之前先过来set 一下,如果返回True则允许下一步
False则因为太频繁不允许ugc
"""
assert type(user_id) == types.IntType
assert type(timeout) == types.IntType
q = {
'user_id':user_id,
'obj_type':obj_type,
'obj_id':obj_id
}
_key = """UGC::%(user_id)s::%(obj_type)s::%(obj_id)s""" % q
ret = redis.get(_key)
if ret != None:
return False
else:
redis.pipeline().set(_key,'on').expire(_key,timeout).execute()
return True
def inter2(*args,**kwargs):
if cachekey is not None:
callstr = cachekey
else:
params = map(lambda xx:repr(xx),args)
for (k,v) in kwargs.items():
params.append('%s=%s'%(k,repr(v)))
callstr='CALLCACHE::%s(%s)' % (func.func_name,','.join(params))
retobj = redis.get(callstr)
if retobj:
return json.loads(retobj)
retobj = func(*args,**kwargs)
rp = redis.pipeline()
rp.set(callstr,json.dumps(retobj)).expire(callstr,timeout).execute()
return retobj
def get_user_id(ukey):
"""根据ukey来获取user_id"""
if not ukey:
return None
rp = redis.pipeline()
rp.exists('USER-UKEY::%s'%ukey)
rp.get('USER-UKEY::%s'%ukey)
res = iter(rp.execute())
user_id = None
if not res.next():
user = db.session.query(User).filter(User.uid == ukey).first()
if user is None:
return None
g.user_id = user_id = user.id
rp.set('USER-UKEY::%s'%ukey,user.id)
rp.execute()
else:
g.user_id = user_id = int(res.next())
return user_id
def decorator(*args,**kwargs):
ukey = g.ukey
if not ukey:
return make_response('need a user',403)
rp = redis.pipeline()
rp.exists('USER-UKEY::%s'%ukey)
rp.get('USER-UKEY::%s'%ukey)
res = iter(rp.execute())
if not res.next():
# redis 中不存在 插数据库
user = db.session.query(User).filter(User.uid == ukey).first()
if user is None:
res = make_response('the user does not exist',403)
return res
g.user_id = user.id
rp.set('USER-UKEY::%s'%ukey,user.id)
rp.execute()
else:
g.user_id = int(res.next())
return f(*args,**kwargs)
def add_comment_count(post_id, step=1):
count_key = 'POST::COMMENT_COUNT::%s' % str(post_id)
if redis.exists(count_key):
rp = redis.pipeline()
rp.incr(count_key).expire(count_key, 24 * 5 * 3600).execute()
def add_comment_count(post_id,step=1):
count_key = 'POST::COMMENT_COUNT::%s' % str(post_id)
if redis.exists(count_key):
rp = redis.pipeline()
rp.incr(count_key).expire(count_key,24*5*3600).execute()
