sub-classing unicode

inherit_unicode.py

#-*- coding:utf-8 -*-
__author__ = 'bluele'

class SubUnicode(unicode):

    def __new__(cls, val, meta={}):
        self = unicode.__new__(cls, val)
        self.__meta = meta
        return self


if __name__ == '__main__':
    import unittest
    class TestSimple(unittest.TestCase):
        def setUp(self):
            pass

        def test_unicode(self):
            self.assertEqual(SubUnicode('string'), unicode('string'))
    unittest.main()