def chain_normalizer(self, func, encoder):
if isinstance(encoder, WolframDispatch):
encoder.update_dispatch()
return composition(
*map(safe_import_string,
iterate(func or (), partial(encoder.as_method(), self))))
def test_composition(self):
self.assertEqual(composition()(1), 1)
self.assertEqual(composition(lambda s: s + 2)(1), 3)
self.assertEqual(composition(lambda s: s + 2, lambda s: s * 3)(1), 9)
def annotation(fn):
return wraps(fn)(composition(fn, *func))