class Student(object):
    def __init__(self, name):
        # define your internal stuff here, with self.__dict__
        self.__dict__['name'] = name
    def __getattr__(self, attr):
        return self.name.__getattribute__(attr)
    def from_str(self, txt):
        self.name = txt
    def __setattr__(self, attr, value):
        if not attr in self.__dict__:
         return self.name.__setattr__(attr, value)
        else:
          self.__dict__[attr] = value
          


student = Student('test')
print student.upper()
>>>TEST
student.from_str('foo')
>>> print student.upper()
FOO