Class Mapping

Lib/test/test_string/test_string.py:223–231

    pass

class Mapping:
    def __getitem__(self, name):
        obj = self
        for part in name.split('.'):
            try:
                obj = getattr(obj, part)
            except AttributeError:
                raise KeyError(name)
        return obj


class TestTemplate(unittest.TestCase):