Re: Note about getattr and '.'

2006-11-22 Thread Carl Banks 

Steven D'Aprano wrote:
 On Tue, 21 Nov 2006 22:39:09 +0100, Mathias Panzenboeck wrote:
  Yes, this is known. I think IronPython uses a specialized dictionary for 
  members, which prohibits
  malformed names. I don't know if there will be such a dictionary in any 
  future CPython version.
  (Would be good.)

 Why would it be good?

 How many bugs have you found that were caused by this behaviour?

It's not bugs.  A specialized dictionary could be better optimized if
you know it can only hold Python identifiers.  There's talk of such a
dictionary in Python 3000.


Carl Banks

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Re: Note about getattr and '.'

2006-11-21 Thread Steven D'Aprano 
On Tue, 21 Nov 2006 22:39:09 +0100, Mathias Panzenboeck wrote:

 [EMAIL PROTECTED] wrote:
 There is an interesting skewness in python:
 
 class A(object): pass
 
 a=A()
 setattr(a, '$foo', 17)
 getattr(a, '$foo')
 17
 
 But I can't write 
 a.'$foo'
 
 
 Yes, this is known. I think IronPython uses a specialized dictionary for 
 members, which prohibits 
 malformed names. I don't know if there will be such a dictionary in any 
 future CPython version. 
 (Would be good.)


Why would it be good?

How many bugs have you found that were caused by this behaviour?



-- 
Steven D'Aprano 

-- 
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