From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 0B757138334 for ; Thu, 26 Jul 2018 16:55:01 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 93685E0930; Thu, 26 Jul 2018 16:54:47 +0000 (UTC) Received: from mx.cims.nyu.edu (MX.CIMS.NYU.EDU [128.122.49.99]) (using TLSv1.2 with cipher DHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id F31EBE088C for ; Thu, 26 Jul 2018 16:54:46 +0000 (UTC) Received: from smtp.cs.nyu.edu (smtp.cs.nyu.edu [128.122.49.97]) by mx.cims.nyu.edu (8.15.1+Sun/8.15.1) with ESMTPS id w6QGsgIK004161 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 26 Jul 2018 12:54:43 -0400 (EDT) Received: from E7450.localdomain (ool-18be58aa.dyn.optonline.net [24.190.88.170]) (authenticated bits=0) by smtp.cs.nyu.edu (8.14.7/8.14.7) with ESMTP id w6QGsfPV016697 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 26 Jul 2018 12:54:42 -0400 Received: by E7450.localdomain (Postfix, from userid 1000) id 52D3644382; Thu, 26 Jul 2018 12:54:41 -0400 (EDT) From: allan gottlieb To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] how to update python choice References: <877eliu7ht.fsf@nyu.edu> <87muuesms9.fsf@nyu.edu> <20180726072048.4007d493@digimed.co.uk> Date: Thu, 26 Jul 2018 12:54:41 -0400 In-Reply-To: <20180726072048.4007d493@digimed.co.uk> (Neil Bothwick's message of "Thu, 26 Jul 2018 07:20:48 +0100") Message-ID: <87pnzac4z2.fsf@nyu.edu> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Greylist: inspected by milter-greylist-4.6.2 (mx.cims.nyu.edu [128.122.49.99]); Thu, 26 Jul 2018 12:54:43 -0400 (EDT) for IP:'128.122.49.97' DOMAIN:'smtp.cs.nyu.edu' HELO:'smtp.cs.nyu.edu' FROM:'gottlieb@nyu.edu' RCPT:'' X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx.cims.nyu.edu [128.122.49.99]); Thu, 26 Jul 2018 12:54:43 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.99.4 at mx X-Virus-Status: Clean X-Scanned-By: MIMEDefang 2.80 on 128.122.49.99 X-Archives-Salt: 19f71fdd-879f-46c3-9b06-a480cef613fb X-Archives-Hash: 9073a5351cc3a9eeb62aa7fbedb7042e On Thu, Jul 26 2018, Neil Bothwick wrote: > On Wed, 25 Jul 2018 23:23:18 -0400, allan gottlieb wrote: > >> On Thu, Jul 26 2018, Bill Kenworthy wrote: >>=20 >> > On 26/07/18 09:10, allan gottlieb wrote:=20=20 >> >> I am still using python 3.4, i.e. >> >> >> >> sh-4.4# eselect python show >> >> python3.4 >> >> sh-4.4#=20 >> >> >> >> sh-4.4# eselect python list >> >> Available Python interpreters, in order of preference: >> >> [1] python3.4 >> >> [2] python3.6 (fallback) >> >> [3] python3.5 (fallback) >> >> [4] python2.7 (fallback) >> >> sh-4.4#=20 >> >>=20=20=20 >> >> I realize I should have updated previously. >> >> >> >> Is a python update as simple as >> >> emerge --update --changed-use --with-bdeps=3Dn @world >> >> eselect python set python3.6 >> >> emerge --update --changed-use --with-bdeps=3Dn @world >> >> >> >> I have no custom python scripts on either of my systems. >> >> >> >> thanks in advance, >> >> allan >> >>=20=20 >> > >> > >> > Hi, no problems doing it except because of the large number of >> > packages look forward to hours of compiling (24hrs on my surface >> > pro4).=C2=A0 Got a few other systems to do which is going to take awhi= le. >> > >> > BillK=20=20 >>=20 >> Thank you, that is just what I needed to know. > > If the packages were already built with python_3.6 in PYTHON_TARGETS, > there should be no rebuilding. It is the change on PYTHON_TARGETS that > triggers the rebuild, eselect just chooses from one of the available > targets AIUI. Thanks for the clarification. allan