cache.py 文件源码

def load_cached_storage(cache_file, default_size=1000):
    if cache_file is not None and os.path.exists(cache_file):
        print("Loading cache: {0}".format(cache_file))
        with bz2.open(cache_file, "rb") as file:
            try:
                cache = pickle.load(file)
                return cache
            except pickle.PickleError and EOFError:
                return None
    return ThingCache(cache_size=default_size, file=cache_file)