Dr. Dobb's Python-URL! - weekly Python news and links (Jun 10)
Alexandre Fayolle
alf at logilab.fr
Tue Jun 11 05:00:05 EDT 2002
Hello,
Sorry to interrupt, but I have to correct a misleading statement in the
latest Dr. Dobb's Python URL.
Kragen Sitaker a écrit :
> Programming Libraries:
>
> Logilab's 'constraint', a constraint satisfaction problem
> programming environment for Python, which lets you program in
> Prolog style in Python, has released version 0.2.
^^^^^^^^^^^^
This is not true. For programming in Prolog style in Python, you can use
Christophe Delord's Pylog (http://christophe.delord.free.fr/en/pylog/).
This will give you facts, and rules, as you would have using SWI-Prolog
or GnuProlog.
The constraint module won't let you do variable unification as you would
do it in prolog. It takes a set of variables with their domains and a
set of constraints on the values of these variables to find all possible
simultaneous assignments to these variable that satisfies the
constraints.
Cheers,
Alexandre Fayolle
--
LOGILAB, Paris (France).
http://www.logilab.com http://www.logilab.fr http://www.logilab.org
Narval, the first software agent available as free software (GPL).
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