def memoized(fn):
    """
    Decorator. Caches a function's return value each time it is called.
    If called later with the same arguments, the cached value is returned
    (not reevaluated).  The cache lasts for the duration of each request.
    """
    @functools.wraps(fn)
    def memoizer(*args, **kwargs):
        key = function_key(fn) + pickle.dumps(args) + pickle.dumps(_hash_kwargs(kwargs))
        if key not in cache:
            cache[key] = fn(*args, **kwargs)
        return cache[key]
    return memoizer
def memoized(fn):
    """
    Decorator. Caches a function's return value each time it is called.
    If called later with the same arguments, the cached value is returned
    (not reevaluated).  The cache lasts for the duration of each request.
    """
    @functools.wraps(fn)
    def memoizer(*args, **kwargs):
        key = function_key(fn) + pickle.dumps(args) + pickle.dumps(_hash_kwargs(kwargs))
        if key not in cache:
            cache[key] = fn(*args, **kwargs)
        return cache[key]
    return memoizer
def memoized ( fn ) : @ functools . wraps ( fn ) def memoizer ( * args , * * kwargs ) : key = function_key ( fn ) + pickle . dumps ( args ) + pickle . dumps ( _hash_kwargs ( kwargs ) ) if key not in cache : cache [ key ] = fn ( * args , * * kwargs ) return cache [ key ] return memoizer
Decorator. Caches a function's return value each time it is called.
    If called later with the same arguments, the cached value is returned
    (not reevaluated).  The cache lasts for the duration of each request.
Decorator . Caches a function s return value each time it is called . If called later with the same arguments the cached value is returned ( not reevaluated ) . The cache lasts for the duration of each request .