Python 1.5.x vs Python 2.x.x
Stephen
shriek at gmx.co.uk
Tue Dec 18 19:24:17 EST 2001
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Tue Dec 18 19:24:17 EST 2001
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Fernando Pérez <fperez528 at yahoo.com> wrote in message news:<9vc581$g0h$1 at peabody.colorado.edu>... > Paul Rubin wrote: > > > Fernando Pérez <fperez528 at yahoo.com> writes: > >> For some bizarre reason, redhat 7.2 includes two versions of pyhton with > >> 1.5 being the default. > > > > The reason may be that some of the red hat configuration scripts were > > written under python 1.5, and 2.1 broke backwards compatibility. > > In particular the "rand" module was renamed "random" and maybe changed. > > good point. just yesterday I found out about that b/c I screwed up the > firewalling rules when installing a 7.2 box. Lo and behold, when I went > digging looking for the installer package (named anaconda), what I found was > a bunch of python scripts! The entire RedHat installer is a python system > (hence the name!). This was great, in a few minutes I was able to dig out > what the name of the underlying firewall configurator (lokkit) was and fixed > my mistake. I'm sat on a RedHat 7.2 box too and am very hesitant to upgrade to Python 2.x for fear of breaking a lot of the RedHat-distributed scripts, including the firewall. The alternative seems to be to install Python 2.1.1 without symlinking it to /usr/bin/python ie. Leave Python 1.5.2 the default Python and then use the hash-bang to explicitly call python 2.x (#!/usr/bin/python2) in my scripts. Is this right ? On this note, I tried installing expat-1.1-4tummy.src.rpm and python2-2.1.1-3.src.rpm (following the instructions to 'rebuild' it, as per http://www.python.org/2.1.1/rpms.html) but where does the rebuilt python get installed ? Afterwards, it claims the RPM is not installed $ rpm -q python*rpm package python2-2.1.1-3.src.rpm is not installed Thanks for any help, Stephen
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