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From: Joe Conway <[email protected]>
To: Andres Freund <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: [email protected]
Cc: Andrew Dunstan <[email protected]>
Subject: Re: Time to drop plpython2?
Date: Fri, 18 Feb 2022 14:46:39 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On 2/18/22 14:37, Andres Freund wrote:
> Hi,
> 
> On 2022-02-18 14:19:49 -0500, Joe Conway wrote:
>> On 2/17/22 13:08, Andres Freund wrote:
>> > On 2022-02-16 23:14:46 -0800, Andres Freund wrote:
>> > > > Done. Curious how red the BF will turn out to be. Let's hope it's not
>> > > > too bad.
>> 
>> > > - rhinoceros
>> > 
>> > Joe replied that he is afk, looking into it tomorrow.
>> 
>> I installed python3 packages (initially forgetting the devel package --
>> d'oh!) and changed build-farm.conf thusly:
>> 
>> 8<-------------------
>> ***************
>> *** 185,190 ****
>> --- 185,193 ----
>> 
>>         build_env => {
>> 
>> +               # specify python 3
>> +               PYTHON => 'python3',
>> +
>>                 # use a dedicated cache for the build farm. this should give
>> us
>>                 # very high hit rates and slightly faster cache searching.
>>                 #
>> 8<-------------------
>> 
>> That seems to have worked.
>> 
>> But the question is, is that the correct/recommended method?
> 
> If python3 is in PATH, then you shouldn't need that part.

Not quite -- python3 is definitely in the PATH:

8<-------------------
$ which python3
/usr/bin/python3
8<-------------------

And I gather that merely installing python3 RPMs on a RHEL-esque 7.X 
system does not replace the python symlink:

8<-------------------
$ yum whatprovides /usr/bin/python

python-2.7.5-89.el7.x86_64 : An interpreted, interactive, 
object-oriented programming language
Repo        : base
Matched from:
Filename    : /usr/bin/python

$ ll /usr/bin/python
lrwxrwxrwx. 1 root root 7 Mar 13  2021 /usr/bin/python -> python2
8<-------------------


Joe
-- 
Crunchy Data - http://crunchydata.com
PostgreSQL Support for Secure Enterprises
Consulting, Training, & Open Source Development

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