__init__.py 文件源码

def cache(key_prefix, timeout=300):
    """
    Decorator for caching functions.

    Returns the function value from cache, or the function if cache disabled

    """
    if timeout is None:
        timeout = 300
    def decorator(f):
        @wraps(f)
        def wrapper(*args, **kwargs):
            key = "%s::%s" % (settings.REDIS_KEYPREFIX, key_prefix)
            if os.environ.get('PYBOSSA_REDIS_CACHE_DISABLED') is None:
                output = sentinel.slave.get(key)
                if output:
                    return pickle.loads(output)
                output = f(*args, **kwargs)
                sentinel.master.setex(key, timeout, pickle.dumps(output))
                return output
            output = f(*args, **kwargs)
            sentinel.master.setex(key, timeout, pickle.dumps(output))
            return output
        return wrapper
    return decorator