def memoize()

in dcrpm/util.py [0:0]

• 8 lines of code
• 3 McCabe index (conditional complexity)

def memoize(f):
    # type: (t.Callable[..., t.TypeVar("RT")]) -> t.Callable[..., t.TypeVar("RT")]

    cache = {}  # type: t.Dict[str, t.TypeVar("RT")]

    # pyre-ignore[2]: *args and **kwargs
    def wrapper(*args, **kwargs):
        # type: (t.Any, t.Any) -> t.TypeVar("RT")
        key = str(args) + str(kwargs)
        if key not in cache:
            cache[key] = f(*args, **kwargs)
        return cache[key]

    return wrapper