>>> getattr(a.b, 'prop')
1234
>>> getattr(getattr(a,'b'), 'prop')
1234
>>>
>>> def getattrchain(obj, attlist):
... if not attlist:
... return obj
... else:
... return getattrchain(getattr(obj, attlist[0]), attlist[1:])
...
>>> getattrchain(a, ('b', 'prop'))
1234
-- Wade Leftwich
Ithaca, NY
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Lloyd
> Kvam
> Sent: Monday, July 23, 2001 4:51 PM
> To: Active Python
> Subject: Using getattr() with "dotted" names
>
>
> I have a project where classes may be nested. The Python
> interpreter will handle nested instance references without any
> difficulty (e.g. print a.b.prop).
>
> Is there a good way to handle attribute references in getattr to
> get the same effect?
> (e.g. print getattr( a, 'b.prop') )
>
> class A:
> pass
> class B:
> pass
> >>>>>>>>>
> a = A()
> a.b = B()
> a.b.prop = 1234
> print a.b.prop
> <<<<<<<<< All work OK
>
> print getattr( a, 'b.prop') does not work.
>
>
> --
> Lloyd Kvam
> Venix Corp.
> 1 Court Street, Suite 378
> Lebanon, NH 03766-1358
>
> voice: 603-443-6155
> fax: 801-459-9582
> _______________________________________________
> ActivePython mailing list
> [EMAIL PROTECTED]
> http://listserv.ActiveState.com/mailman/listinfo/activepython
>
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