[Mailman-Users] Jump from Python 2.4 to 2.7...

[Laura Creighton]

In a message of Mon, 02 Mar 2015 15:15:01 -0500, Bill.Costa at unh.edu writes:
>Mark Sapiro <mark at msapiro.net> recently posted, in part...
>
>> Are you installing Mailman 2.1.19 on the Red Hat system or
>> using whatever Red Hat rpm package that's available, and if the
>> latter, what is that? And, what Mailman will you be using on
>> the RHEL 7 system?
>
>Well my original plan was to install the latest and greatest
>Mailman on both the old RHEL 5 system, and then the new RHEL 7,
>rather than use whatever the RPM package does.
>
>> I ask because the FAQ at <http://wiki.list.org/x/8486953> may
>> be relevant.
>
>It definitely is relevant.  I was just asking the system admin if
>I should be putting the install someplace other than what was
>recommended in the manual and I specifically mentioned FHS
>issues.
>
>> Assuming you will be installing Mailman 2.1.19 from source, I
>> would be more concerned over potential difficulties due to the
>> older Python than with any gotchas from moving to a newer
>> Python although there are some compatibility issues with older
>> Mailman versions and newer Python. See
>> <http://wiki.list.org/x/4030629> for more on both kinds.
>
>Well that's why I thought it could avoid issues by installing the
>latest Python as well, just for Mailman, and leave the system
>Python alone.
>
>> My production server is Centos 5 with Python 2.4.3, but I also have
>> Python 2.7.9 installed and configure Mailman
>> --with-python=/usr/bin/python2.7. I wouldn't necessarily call it "good
>> practice", but it's certainly a viable approach.
>
>Thanks for the confirmation.
>
>...BC

I have been away.  I get to this discussion late, and so sorry if
this has been mentioned, but

YOU ABSOLUTELY MUST NOT CHANGE YOUR CENTOS SYSTEM PYTHON 2.4.3 OR YOU
WILL BREAK YOUR WHOLE PACKAGING SYSTEM!

(now I go back and read older mail.  must get this warning out now.)

Laura