From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F921C04A6B for ; Wed, 8 May 2019 12:51:03 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 14AE820644 for ; Wed, 8 May 2019 12:51:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 14AE820644 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:36572 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hOM2I-0003v6-Dw for qemu-devel@archiver.kernel.org; Wed, 08 May 2019 08:51:02 -0400 Received: from eggs.gnu.org ([209.51.188.92]:55600) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hOM1S-0003Y1-Ng for qemu-devel@nongnu.org; Wed, 08 May 2019 08:50:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hOM1R-0004qI-Ki for qemu-devel@nongnu.org; Wed, 08 May 2019 08:50:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55700) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hOM1R-0004oI-FL for qemu-devel@nongnu.org; Wed, 08 May 2019 08:50:09 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CD71033025B; Wed, 8 May 2019 12:50:08 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-28.ams2.redhat.com [10.36.116.28]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CE12D5D9C8; Wed, 8 May 2019 12:50:01 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 4E94D1132B35; Wed, 8 May 2019 14:50:00 +0200 (CEST) From: Markus Armbruster To: Daniel P. =?utf-8?Q?Berrang=C3=A9?= References: <20190503193721.18459-1-ehabkost@redhat.com> <20190507103814.GF5808@localhost.localdomain> <20190507104754.GL27205@redhat.com> Date: Wed, 08 May 2019 14:50:00 +0200 In-Reply-To: <20190507104754.GL27205@redhat.com> ("Daniel P. =?utf-8?Q?Ber?= =?utf-8?Q?rang=C3=A9=22's?= message of "Tue, 7 May 2019 11:47:54 +0100") Message-ID: <87tve52jrb.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 08 May 2019 12:50:08 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH] Deprecate Python 2 support X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , Thomas Huth , Eduardo Habkost , qemu-devel@nongnu.org, Cleber Rosa , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Daniel P. Berrang=C3=A9 writes: > On Tue, May 07, 2019 at 12:38:14PM +0200, Kevin Wolf wrote: >> Am 03.05.2019 um 21:37 hat Eduardo Habkost geschrieben: >> > Python 2 will reach end of life in January 1 2020. Declare it as >> > deprecated. >> >=20 >> > Signed-off-by: Eduardo Habkost >> > --- >> > configure | 8 ++++++++ >> > qemu-deprecated.texi | 8 ++++++++ >> > 2 files changed, 16 insertions(+) >> >=20 >> > diff --git a/configure b/configure >> > index 5b183c2e39..50385061ed 100755 >> > --- a/configure >> > +++ b/configure >> > @@ -6461,6 +6461,14 @@ if test "$supported_os" =3D "no"; then >> > echo "us upstream at qemu-devel@nongnu.org." >> > fi >> >=20=20 >> > +# Note that if the Python conditional here evaluates True we will exit >> > +# with status 1 which is a shell 'false' value. >> > +if ! $python -c 'import sys; sys.exit(sys.version_info < (3,0))'; then >> > + echo >> > + echo "WARNING: Python 2 support is deprecated" >&2 >> > + echo "WARNING: Python 3 will be required for building future versio= ns of QEMU" >&2 >> > +fi >>=20 >> While it's clear that we want to get rid of Python 2, did we actually >> discuss how to decide what the new minimum Python version is? I don't >> think any major distribution uses 3.0, which was released in 2008, so >> this doesn't seem to make a lot of sense to me as the new minimum. Good point. >> Currently, 3.6 seems to be a commonly available version. It looks like >> Debian stable is at 3.5 still, though it might become oldstable before >> the next QEMU release. Do we need to support anything older than that? > > Per our support build platform doc, the oldest distros we care about will > be RHEL-7 and Debian Jessie. Except we can drop Jessie 2 years after > Stretch was released. IOW, we can drop Jessie in June this year, which > is before our next releasee. So we don't need to care about the 3.4 > version in Jessie. > > RHEL-7 doesn't have py3 at all in standard distros, but it can be obtained > via software collections and this has 3.6 > > Debian Strech has 3.5.3, so 3.5 looks like our min viable version. Eduardo, care to update configure accordingly?