From owner-freebsd-python@freebsd.org Mon Apr 4 08:23:49 2016 Return-Path: Delivered-To: freebsd-python@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0462BB020CA for ; Mon, 4 Apr 2016 08:23:49 +0000 (UTC) (envelope-from FreeBSD@shaneware.biz) Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by mx1.freebsd.org (Postfix) with ESMTP id 9A9AC132D for ; Mon, 4 Apr 2016 08:23:48 +0000 (UTC) (envelope-from FreeBSD@shaneware.biz) Received: from ppp118-210-182-127.lns20.adl6.internode.on.net (HELO leader.local) ([118.210.182.127]) by ipmail04.adl6.internode.on.net with ESMTP; 04 Apr 2016 17:48:37 +0930 Subject: Re: Python dependencies for ports requiring Python 3 To: Andrew Berg , freebsd-python@freebsd.org References: <86y48uq36v.fsf@FreeBSD.org> <57011B4A.7090004@my.hennepintech.edu> From: Shane Ambler Message-ID: <57022359.3000004@ShaneWare.Biz> Date: Mon, 4 Apr 2016 17:48:33 +0930 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <57011B4A.7090004@my.hennepintech.edu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-python@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: FreeBSD-specific Python issues List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Apr 2016 08:23:49 -0000 On 03/04/2016 23:01, Andrew Berg wrote: > On 2016.04.03 07:36, Raphael Kubo da Costa wrote: >> Hi, everyone, >> >> I've been helping get archivers/py-borgbackup (bug 207715) committed for >> a while now. >> >> The last remaining blocker is the fact that the port has >> USES=python:3.4+ and depends on other Python ports, namely >> devel/py-setuptools_scm, devel/py-msgpack-python and devel/py-llfuse. >> This means the port will try to require/install the Python 3 versions of >> those ports which are not built by default and not present in Poudriere >> builds if one does not explicitly build Python 3 packages. > This is a ports limitation that would be overcome by support for > variants[1]. However, it is uncertain when all of the little issues > blocking variants support will be resolved. The dependency problem you > mention is the same reason that many other ports (e.g. Samba) cannot be > built when the default is Python 3. Kubilay's suggestion to create py3- > ports is mainly a workaround to give you something close enough to > variants that would allow this. These ports would need to be created, > maintained, and then culled when we have proper support for variants. > The alternative would be to simply wait until we have variants support. > > [1] https://reviews.freebsd.org/D5563 As I commented on bug 203760 - net/s3ql https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203760#c19 We can work around test building in poudriere and leave py3 only ports as manual port builds for users by using NO_PACKAGE until this is resolved. Pressure to support multiple python versions is increasing so we shouldn't have to wait too much longer. -- FreeBSD - the place to B...Software Developing Shane Ambler