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Mon Feb 12 08:38:27 CET 2007 · https://mail.python.org/pipermail/python-dev/2007-February/070950.html

Anthony Baxter wrote:
> I have to say that I'm not that impressed by either the 1-arg or 
> 2-arg versions. Someone coming across this syntax for the first 
> time will not have any hints as to what it means - and worse, it 
> looks like a syntax error to me. -1 from me.
>   

I'm not sure the "looks like a syntax error" argument holds much weight, 
because any new syntax is likely to be a syntax error until the syntax 
is changed. :) "No hints" is a decent argument against it, though. 
Parenthesis are already used for tuples, function calls, precedence, and 
generator comprehensions. The more something gets overloaded, the more 
ambiguous it looks. How about

   obj.*str_expression

instead? "*" is pretty common in the C family of languages as a 
dereferencing operator.

Neil

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[Python-Dev] New syntax for 'dynamic' attribute access