Merge pull request shiyanlou#9 from zkqiang/master

aiden0z · web-flow · commit a3b6fac741d5 · 2017-12-28T11:09:15.000+08:00
Update cache.py
diff --git a/17-redis-cache-decorator/cache.py b/17-redis-cache-decorator/cache.py
@@ -11,7 +11,7 @@ def cache(self, timeout=0):
         def decorator(f):
             @wraps(f)
             def wrapped(*args, **kwargs):
-                if timeout == 0:
+                if timeout <= 0:
                     return f(*args, **kwargs)
                 key = f.__name__
                 raw = self._redis.get(key)
@@ -20,7 +20,7 @@ def wrapped(*args, **kwargs):
                     self._redis.setex(key, timeout, json.dumps(value))
                     return value
                 else:
-                    return json.loads(raw)
+                    return json.loads(raw.decode())
             return wrapped
         return decorator
 
