Function get_spam

src/8/creating_cached_instances/example1.py:11–17

(name)

_spam_cache = weakref.WeakValueDictionary()

def get_spam(name):
    if name not in _spam_cache:
        s = Spam(name)
        _spam_cache[name] = s
    else:
        s = _spam_cache[name]
    return s

if __name__ == '__main__':
    a = get_spam('foo')