From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Subject: Re: Python 3 binaries Date: Sat, 31 Aug 2013 20:20:44 +0200 Message-ID: <87wqn1rabn.fsf@gnu.org> References: <20130831153018.GA5442@debian> <5222282D.7000801@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:34139) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VFpru-0001Tx-Fa for guix-devel@gnu.org; Sat, 31 Aug 2013 14:26:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VFprn-0007i9-51 for guix-devel@gnu.org; Sat, 31 Aug 2013 14:25:54 -0400 Received: from hera.aquilenet.fr ([141.255.128.1]:57601) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VFprm-0007hy-VY for guix-devel@gnu.org; Sat, 31 Aug 2013 14:25:47 -0400 In-Reply-To: <5222282D.7000801@gmail.com> (Cyril Roelandt's message of "Sat, 31 Aug 2013 19:30:21 +0200") List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org To: Cyril Roelandt Cc: guix-devel@gnu.org Cyril Roelandt skribis: > On 08/31/2013 05:30 PM, Andreas Enge wrote: >> Hello, >> >> python 3 does not ship a python binary any more, just a binary called >> python3. That could be useful, since it would allow to install python 2 = and 3 >> side by side. However, all packages relying on a shebang substitution wi= th >> a python binary now fail. >> >> I see two general possibilities to solve the problem: >> - The simplest one, add a symlink python->python3 in the python 3 packag= e. >> But then we lose the possibility of installing python 2 and 3 at the = same >> time. Which maybe does not matter? It would only be a problem for a u= ser >> wanting to install both in the user profile, while all other packages >> would internally have rewritten their calls to either of the two pyth= on >> versions > > I think lots of users would want that. On Debian, I really like having > multiple versions of Python, since some of my scripts are not Python3 > compatible. It's also useful to run test suites against many versions > of Python. I think users must be able to install both. Yes, and that=E2=80=99s visibly what upstream wants. So I would just leave things as is, without the symlink. Then again I know nothing about Python. :-) Ludo=E2=80=99.