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[Discuss] Python script question

On 08/04/2011 08:41 AM, Gordon Marx wrote:
> On Thu, Aug 4, 2011 at 8:32 AM, Jerry Feldman <gaf at> wrote:
>> On 08/04/2011 08:01 AM, Gordon Marx wrote:
>>> On Thu, Aug 4, 2011 at 7:43 AM, Jerry Feldman <gaf at> wrote:
>>>> Here at work, we encapsulate all products so the product does not depend
>>>> on anything installed on the system (other than things like the kernel
>>>> and libc. Compilers, languages like Perl and Python, libraries, such as
>>>> cplex, et. al. I've probably got about 6 different copies of Python 2.6.
>>>> I have no control of this since this is done in Toronto.
>>> We don't go that far, but we do the same sort of thing -- don't rely
>>> on the system, everything gets installed in a custom directory
>>> structure, so there are machines on our network that have
>>> /blah/bin/python2.{4,5,6,7}. That way, at least you only have one copy
>>> of Python2.6 that everyone can use.
>> Normally at a client installation, the client would source a
>> configuration file (either bash or cshrc) to get all the appropriate
>> environment variables. It gets more complicated when my coworker is
>> building some scripts that are executed in a user environment.
> Right, but if you guarantee that there will be a python2.6 interpreter
> at a given path, you don't need any environment variables to tell you
> where it is.
Basically, there are some scripts that currently need to be sourced to
get all the proper environment variables. In the scripts I set up for a
related product, I not only source the environment scripts, I update
them because I'm merging 2 products. Setting up the path in these
sourced files is trivial. I think at this point, my coworker is planning
to do that.

Jerry Feldman <gaf at>
Boston Linux and Unix
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