On Apr 22, 2005, at 4:38 AM, Yair Benita wrote:

Upgrading to a new version of python is always tricky as I have many many
modules that may not work properly after upgrading (biopython, etc.).

None of them will work. They will all have to be re-installed for the new version of Python.


If I install the new python 2.4.1 from the installer package provided, will
it co-exist with my python 2.3.3 or will it replace it?

co-exist, unless you broke it somehow (i.e. using PYTHONPATH, etc.).

If it co-exist how do I control which one is used when simply typing
/usr/bin/python at the command line?

NEVER EVER change anything in /usr (except /usr/local) or /System. DO NOT EVER DO THAT. BAD.


What you probably want to change is the PATH environment variable. Search the archives.

-bob

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