OO refactoring trial ??

[Kamilche]

'''
You might find this interesting. Note that the object creation in
main() below could easily be read in from a text file instead,
thus meeting your requirement of not knowing an item's class
until runtime.

Sample output:

{'password': 'Your Password Here', 'type': 'A', 'logonid': 'Your
Logonid Here'}
# did A #
{'ssn': 555555555, 'type': 'B'}
# did B #
{'type': 'BASE', 'address': '501 south street'}
# did BASE #
None
'''

def Create(type = 'BASE', **kwargs):
    if type not in _CLASSES:
        return None # Or return a default object
    obj = _CLASSES[type](type = type, **kwargs)
    return obj

class BASE(object):
    def __init__(self, **kwargs):
        self.__dict__.update(kwargs)
    def __str__(self):
        return str(self.__dict__)
    def doit(self):
        print "# did BASE #"

class A(BASE):
    def doit(self):
        print '# did A #'

class B(BASE):
    def doit(self):
        print '# did B #'

_CLASSES = {'BASE': BASE, 'A': A, 'B': B}

def main():
    obj1 = Create(type = 'A', logonid = 'Your Logonid Here', password =
'Your Password Here')
    print obj1
    obj1.doit()
    obj2 = Create(type = 'B', ssn = 555555555)
    print obj2
    obj2.doit()
    obj3 = Create(address = '501 south street')
    print obj3
    obj3.doit()
    obj4 = Create(type = 'Missing')
    print obj4

main()