def user_create(self, values):
User.validate(values)
connection = get_connection()
_id = connection.incr(User.incr())
user = User(_id)
with connection.pipeline() as pipe:
while True:
try:
pipe.watch(user.uindex('name'))
if pipe.hget(user.uindex('name'), values['name']):
raise Exception('Username must be unique.')
pipe.multi()
pipe.set(user.name, values['name'])
pipe.rpush(user.address, values.get('address'))
pipe.rpush(user.phone, values.get('phone'))
pipe.hset(user.uindex('name'), values['name'], _id)
pipe.execute()
break
except redis.WatchError:
continue
def user_update(self, _id, values):
User.validate(values)
connection = get_connection()
user = User(_id)
with connection.lock(user.lock(), timeout=5):
with connection.pipeline() as pipe:
if values.get('address'):
pipe.delete(user.address)
pipe.rpush(user.address, values['address'])
if values.get('phone'):
pipe.delete(user.phone)
pipe.rpush(user.phone, values['phone'])
pipe.execute()