turning a string into an object name

[Philip Swartzleonard]

Chris Liechti || Thu 04 Apr 2002 11:51:30a:

> netzapper at magicstar.net (A. Jones) wrote in
> news:3cac943f.132176618 at mammoth.usenet-access.com: 
> 
>> On Thu, 04 Apr 2002 11:56:24 GMT, Alex Martelli <aleax at aleax.it>
>> wrote:
>> 
>> Furthermore, you can wrap it inside a class.
>> 
>> class test:
>>      def wrongHeaded(self, name, value):
>>          exec "self."+name+'='+repr(value)
>>          print vars()
>> 
>> this produces no exceptions, and doesn't cause any problems, since
>> vars is never defined... only self.vars is.
> 
> until someone has the idea to pass some fancier names like
> t.wrongHeaded('a; del None', 57)
> 
> and then have fun watching your entire program fail...

Hm, i think you want something like
t.wrongHeaded('a=5; del None;b', 57)

which will evaluate to 
self.a=5; del None; b=57

instead of
self.a; del None=57

which is two syntax errors in one (no a defined, and i think 'del none=
57' is invalid?)



-- 
Philip Sw "Starweaver" [rasx] :: www.rubydragon.com