Python does not play well with others

[Paul Rubin]

skip at pobox.com writes:
>     database: Sybase, Oracle, MySQL, SQLite, ODBC, Firebird
>     database versions: who knows? assume two per database
>     python versions: 2.4, 2.5, 2.6, 3.0?
>     platforms: windows, pick two linux flavors, solaris
> 
> Those numbers give me 6 * 2 * 4 * 4 == 192 combinations to test.  Ignore
> Python 2.4.  That brings it down to 144.  Only test on one linux variant and
> skip solaris.  Now you're at 72.  Leave Firebird and Sybase out of the mix.
> Now you're down to 48.  That's still a fair sized burden. 

Why is it that PHP and J2SE manage deal with this problem but Python cannot?