Re: How to control which Python interpreter Postgres uses?
We haven't moved to venvs yet here, so was trying to override the default Python interpreter file that postgre will use.
I did some more research and I can't see any way to adjust this behavior without compiling postgres from source, as Tom mentioned.
Here is an article from someone else with the same problem as me, solved by supplying proper configure flags during compilation:
 | For some time now I'm trying to get Postgresql running with PL/Python and specifically plpython3u. Being new to all this, a lot of reading brought me to this: After trying with the packages to no avail I turned to databases/postgresql10-server and later to databases/postgresql10-plpython... forums.freebsd.org |
From: Wells Oliver <wells.oliver@gmail.com>
Sent: Monday, November 1, 2021 5:08 PM
To: Ni Ne <nineoften@hotmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>; pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
Subject: Re: How to control which Python interpreter Postgres uses?
Sent: Monday, November 1, 2021 5:08 PM
To: Ni Ne <nineoften@hotmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>; pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
Subject: Re: How to control which Python interpreter Postgres uses?
Apologies if I'm misunderstanding, but you can specify a virtual env (so any interpreter) as we did here:
CREATE FUNCTION slack (msg text)
RETURNS boolean
AS $$
hook = 'https://...'
activate_this = '/opt/python/env/bin/activate_this.py'
exec(open(activate_this).read(), dict(__file__=activate_this))
from slack_sdk.webhook import WebhookClient
import ssl
ssl_context = ssl.create_default_context()
ssl_context.check_hostname = False
ssl_context.verify_mode = ssl.CERT_NONE
webhook = WebhookClient(hook, ssl=ssl_context)
webhook.send(text=msg)
return True
$$ LANGUAGE plpython3u;
RETURNS boolean
AS $$
hook = 'https://...'
activate_this = '/opt/python/env/bin/activate_this.py'
exec(open(activate_this).read(), dict(__file__=activate_this))
from slack_sdk.webhook import WebhookClient
import ssl
ssl_context = ssl.create_default_context()
ssl_context.check_hostname = False
ssl_context.verify_mode = ssl.CERT_NONE
webhook = WebhookClient(hook, ssl=ssl_context)
webhook.send(text=msg)
return True
$$ LANGUAGE plpython3u;
On Mon, Nov 1, 2021 at 3:06 PM Ni Ne <nineoften@hotmail.com> wrote:
Would I recompile the plpython package or postgres itself?From: Tom Lane <tgl@sss.pgh.pa.us>
Sent: Monday, November 1, 2021 4:03 PM
To: Ni Ne <nineoften@hotmail.com>
Cc: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
Subject: Re: How to control which Python interpreter Postgres uses?Ni Ne <nineoften@hotmail.com> writes:
> How can I adjust my postgres settings to tell it which Python interpreter binary to use?
You'd have to recompile plpython against the particular libpython
you want to use.
regards, tom lane
Wells Oliver
wells.oliver@gmail.com
wells.oliver@gmail.com
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