[Python-Dev] Idea of the Month: Preprocessor
M.-A. Lemburg
mal@lemburg.com
Tue, 19 Mar 2002 10:10:11 +0100
Guido van Rossum wrote:
>
> > Enable a command line option [-p filename.py] and a related
> > environment variable PYTHONPREPROCESS. The new behavior of the
> > interpreter would then be to submit all of its input to the
> > preprocess program (a module written in pure python) and then
> > interpret the result.
>
> Instead of encumbering the standard Python interpreter, why not write
> a script that runs its argument after preprocessing it, and inserts a
> preprocessor in __import__.
Or even more subtle: wait until PEP 263 phase 2 is implemented
and write a codec which does the preprocessing for you on a per
module basis, then you'd write:
#!/usr/local/bin/python
# coding: utf-8-with-macros
macro yadada(a,b,c):
print a,b,c
--
Marc-Andre Lemburg
CEO eGenix.com Software GmbH
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