CPython vs. Jython for Web applications?

F. GEIGER fgeiger at datec.at
Tue Feb 5 08:16:27 CET 2002


> I'm considering writing a fairly sizable Web app in Python and would

Did you consider webware.sourceforge.net as a framework?

> motivation for considering Jython is "native" access to Java's more
> mature XML libraries for XSLT (e.g., Saxon) and SVG (e.g., Apache's

I use 4XSLT. It is not that fast but I experienced no stability problems (my
XML projects are pretty small, though). And as Brian pointed out it should
become faster in the next release.

Cheers
Franz

"John E. Barham" <jbarham at octopuswireless.com> schrieb im Newsbeitrag
news:c775c8db.0202041126.5177e606 at posting.google.com...
> Good day,
>
> I'm considering writing a fairly sizable Web app in Python and would
> appreciate advice on whether to use CPython or Jython.  My main
> motivation for considering Jython is "native" access to Java's more
> mature XML libraries for XSLT (e.g., Saxon) and SVG (e.g., Apache's
> Batik).
>
> The constraints are:
>  - data to be stored in a relational database, preferably open-source
>  - app must run on both Win32 and some free Unix, preferably FreeBSD
>  - interface will be generated using XSLT
>  - app must run in Apache using some form of embedding (i.e.,
> out-of-process overhead of classic CGI is unacceptable)
>
> I'm more interested in ease of development than optimal performance
> but performance still matters...
>
> Some questions:
>   Has anyone written a sizable Web app in Jython?
>   Are there real-world benchmarks comparing, say, Jython & Saxon vs.
> CPython & Pyana/Xalan?
>   How do Jython servlets compare to using something like mod_python in
> terms of speed and ease of use and scalability?
>   How painful is it to do Jython database access vs. the standard
> Python DBI?
>
> FWIW, I have a lot of experience with C++, CPython and XSLT but just
> an undergrad course's worth in Java.
>
> I appreciate that Jython's performance is dependent on the JVM, so
> advice would be appreciated there as well, especially regarding the
> performance of JVMs for the free Unices.
>
> Thanks in advance.
>
>   John





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