Python `retry` function (recursion version)

retry.py

# Version 1.0.1

def retry(times=5, interval=15, max_interval=600):

    def _iter(n, fn, *args, **kwargs):
        try:
            res = fn(*args, **kwargs)
            return res

        except Exception as e:
            if n <= 0:
                raise e
            else:
                print(e)
                import time
                time.sleep(min(max_interval, 2 ** (times - n) * interval))
                return _iter(n - 1, fn, *args, **kwargs)
    
    def wraped(fn):
        @wraps(fn)
        def _(*args, **kwargs):
            return _iter(times, fn, *args, **kwargs)
        return _

    import types
    if types.FunctionType == type(times):
        fn = times
        times = 5
        return wraped(fn)

    return wraped




# Version 1.0

def retry(times=5, interval=15, max_interval=600):

    def _iter(n, fn, *args, **kwargs):
        try:
            res = fn(*args, **kwargs)
            return res

        except Exception as e:
            if n <= 0:
                raise e
            else:
                print(e)
                import time
                time.sleep(min(max_interval, 2 ** (times - n) * interval))
                return _iter(n - 1, fn, *args, **kwargs)
    
    def wraped(fn):
        @wraps(fn)
        def _(*args, **kwargs):
            return _iter(times, fn, *args, **kwargs)
        return _

    return wraped


# Version 0.0.1

def retry(fn):
    N = 6

    def _iter(n, fn, *args, **kwargs):
        try:
            res = fn(*args, **kwargs)
            return res

        except Exception as e:
            if n <= 0:
                raise e
            else:
                print(e)
                import time
                time.sleep(2 ** (N - n) * 1)
                return _iter(n - 1, fn, *args, **kwargs)

    @wraps(fn)
    def _(*args, **kwargs):
        return _iter(N, fn, *args, **kwargs)

    return _