Class NTimesUnwrappable

Lib/test/test_inspect/test_inspect.py:6416–6427

class NTimesUnwrappable:
    def __init__(self, n):
        self.n = n
        self._next = None

    @property
    def __wrapped__(self):
        if self.n <= 0:
            raise Exception("Unwrapped too many times")
        if self._next is None:
            self._next = NTimesUnwrappable(self.n - 1)
        return self._next

class TestUnwrap(unittest.TestCase):