property() usage - is this as good as it gets?

Raymond Hettinger python at rcn.com
Sun Aug 24 12:14:07 CEST 2008


On Aug 22, 1:18 pm, David Moss <drk... at gmail.com> wrote:
> It works well enough, but I can't help feeling there a cleaner more
> readable way of doing this (with less duplication, etc).
>
> Is this as good as it gets or can this be refined and improved
> especially if I was to add in a couple more attributes some fairly
> complex over-ride logic?
>
> #!/usr/bin/env python
>
> class A(object):
>     def __init__(self):
>         self._x = None
>         self._y = None
>
>     def _set_x(self, value):
>         self._x = value
>
>     def _get_x(self):
>         return self._x
>
>     x = property(_get_x, _set_x)
>
>     def _set_y(self, value):
>         self._y = value
>
>     def _get_y(self):
>         return self._y
>
>     y = property(_get_y, _set_y)


FWIW, there is a variant of property() that allows you to re-use the
same getter/setter code for multiple attributes:

http://code.activestate.com/recipes/205126/


Raymond Hettinger




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