@author: Kevin Chien
'''
import inspect
from functools import wraps
from tornado.gen import coroutine, Return
from src.common.logutil import get_logger
from src.common.configutil import get_config
from src.core.redisutil import get_redis_client
from src.common.jsonutil import dict2json, json2dict
from src.common.systemutil import get_timestamp
ROOT_PREFIX = 'cache'
_logger = get_logger(__name__)
_config = get_config()
def cache(prefix = None, key = None, expires_in = 3600):
"""
A decorator to cache data.
@param prefix: A prefix or namespace in Redis. If the argument is not given, function name will be used.
@type prefix: C{string}
@param key: The key to be used in Redis. If the argument is not given, all the arguments will be appended to generate the key.
@type key: C{string}
@param expires_in: How long the cached data expire. If the argument is string, it will be resolved by configutil. Otherwise, it will be used directly.
@type expires_in: C{int}
"""
def _decorator(func):
@coroutine
def initialize(self):
self._logger = get_logger(self.__class__)
def __init__(self, app_name, app_settings):
self._logger = get_logger(self.__class__)
self._APP_SETTINGS = app_settings
self._SERVC_PREFIX = app_name
def initialize(self):
self._logger = get_logger(self.__class__)
self._finish = super(BaseHandler, self).finish
self._start_time = time.time()
