From owner-freebsd-questions@freebsd.org  Tue Sep 11 14:56:10 2018
Return-Path: <owner-freebsd-questions@freebsd.org>
Delivered-To: freebsd-questions@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 230E8109360A
 for <freebsd-questions@mailman.ysv.freebsd.org>;
 Tue, 11 Sep 2018 14:56:10 +0000 (UTC)
 (envelope-from phascolarctos@protonmail.ch)
Received: from mail4.protonmail.ch (mail4.protonmail.ch [185.70.40.27])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "*.protonmail.ch",
 Issuer "QuoVadis Global SSL ICA G2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id AD7FD7A2D2
 for <freebsd-questions@freebsd.org>; Tue, 11 Sep 2018 14:56:09 +0000 (UTC)
 (envelope-from phascolarctos@protonmail.ch)
Date: Tue, 11 Sep 2018 14:55:54 +0000
To: FreeBSD Questions <freebsd-questions@freebsd.org>
From: Lorenzo Salvadore <phascolarctos@protonmail.ch>
Reply-To: Lorenzo Salvadore <phascolarctos@protonmail.ch>
Subject: Re: how to enforce one version of python
Message-ID: <uf30V3vkIXr3M2ToB3lBYQD_4CPsr3JYOmzlavWHu-uMH54kCvrJqeTdAjPKF1OshRqUOXp8YZfDQ9wd-EeK5-C-OqC1YNdqWrdFuO7vu-s=@protonmail.ch>
In-Reply-To: <kvT5V2PiAa5Gbk5_Lh2ozHwNbEybcaLLWNFgpsFVXI5pGdz06FW4rNgDP93Kd35Irqevh_y1kJ0hFgMj8Id218G6yXQQZBrhmyoNmJRBRoE=@protonmail.ch>
References: <fcb50bfe-c21f-a3ba-9d9f-2af92c3565d4@zyxst.net>
 <kvT5V2PiAa5Gbk5_Lh2ozHwNbEybcaLLWNFgpsFVXI5pGdz06FW4rNgDP93Kd35Irqevh_y1kJ0hFgMj8Id218G6yXQQZBrhmyoNmJRBRoE=@protonmail.ch>
Feedback-ID: X6az_D2smWSR8MT5MHqXnWF0upxehDyHia7Id1cbayHNBUkRu3CIeusDsZHiivIIjmaKB1_OofpALrRUYjNz3w==:Ext:ProtonMail
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
X-Spam-Status: No, score=-1.1 required=7.0 tests=ALL_TRUSTED,DKIM_SIGNED,
 DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM autolearn=ham autolearn_force=no
 version=3.4.0
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.protonmail.ch
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.27
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 11 Sep 2018 14:56:10 -0000

> Hi,
> There are a number of ports that seem to have their own preferential
> flavour of python, and some for example want to install python27 and
> python36 in the same place, and it's a pain when using portupgrade or
> similar tools.
> I have this in my /etc/make.conf:
> DEFAULT_VERSIONS+=3D python=3D2.7
> Is this incorrect? I assume it must be, as for example devel/pylint
> (pylint-py27-1.9.2) wants to upgrade to pylint-py36-2.1.1
> thanks,
>
> J.

I think the correct line would be the following:

FLAVOR?=3D py27

Lorenzo Salvadore.