Question on class member in python

Aahz aahz at pythoncraft.com
Tue Oct 18 21:59:28 CEST 2005


In article <1h4mjg9.1n5khr7pjy1zN%aleaxit at yahoo.com>,
Alex Martelli <aleaxit at yahoo.com> wrote:
>Johnny Lee <johnnyandfiona at hotmail.com> wrote:
>   ...
>> Thanks for your help, maybe I should learn how to turn an attibute into
>> a property first.
>
>Easy -- in your class's body, just code:
>
>  def getFoo(self): ...
>  def setFoo(self, value): ...
>  def delFoo(self): ...
>  foo = property(getFoo, setFoo, delFoo, 'this is the foo')
>
>
>Note that if you want subclasses to be able to customize behavior of foo
>accesses by simple method overrides, you need to program some "hooks"
>(an extra level of indirection, if you will).

Or wait for

    foo = property('getFoo', 'setFoo')

(Currently proposed by Guido on python-dev)
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"If you think it's expensive to hire a professional to do the job, wait
until you hire an amateur."  --Red Adair



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