AutoViv.py

# auto inherits a dictionary
class auto(dict):

    # if caller did univ.college
    def __getattr__(self, name):
        try:
            # check if its there
            return dict.__setitem__(self, name)
        except:
            # if not, create it on the fly
            dict.__setitem__(self, name, auto())
            return dict.__getitem__(self, name)

    # if caller did univ.college = value
    def __setattr__(self, name, value):
        # set it in internal dict
        dict.__setitem__(self, name, value)

    # if caller did univ['college]
    def __getitem__(self, value):
        try:
            # if found return it
            return dict.__getitem__(self, value)
        except:
            # if not, create it on the fly
            dict.__setitem__(self, value, auto())
            return dict.__getitem__(self, value)


univ = auto()
univ.college.stream.year = "A+"
print(univ)

univ2 = auto()
univ2['college']['stream']['year'] = "A+"
print(univ2)