Python idiom is to not write getter / setters until (if) you need
them. Use attributes instead. Python Descriptors enable this.
http://docs.python.org/howto/descriptor.html
class Foo():
def __init__(self):
self.something = None
users of Foo can get / set .something as they wish. Later on it's
decided that setting something needs some logic. Foo is updated
def __init__(self):
self._something = None
def set_something(self, val):
# do stuff
self._something = val
def get_something(self):
return self._something # or calculate it or whatever
something = property(get_something, set_something)
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