Function _memoize

numpy/f2py/tests/util.py:76–93

(func)

def _memoize(func):
    memo = {}

    def wrapper(*a, **kw):
        key = repr((a, kw))
        if key not in memo:
            try:
                memo[key] = func(*a, **kw)
            except Exception as e:
                memo[key] = e
                raise
        ret = memo[key]
        if isinstance(ret, Exception):
            raise ret
        return ret

    wrapper.__name__ = func.__name__
    return wrapper


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