[Python-Dev] Re: Alternative Implementation for PEP 292:Simple String Substitutions (original) (raw)

Barry Warsaw barry at python.org
Sun Sep 5 17:30:56 CEST 2004

On Sun, 2004-09-05 at 00:32, Tim Peters wrote:

You'll rarely hear me say this , but fiddling classes at class creation time is exactly what metaclasses are for. For example, suppose you said a Template subclass could define a class variable idpat, containing a regexp matching that subclass's idea of "an identifier".

Very cool idea, thanks Tim! I like that much more than forcing users to specify the entire pattern.

-Barry

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