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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 95F11C433E2 for ; Thu, 17 Sep 2020 15:07:04 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D4F1020708 for ; Thu, 17 Sep 2020 15:07:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WP9wnNne" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D4F1020708 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 ([::1]:48244 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kIvUz-00082O-Ix for qemu-devel@archiver.kernel.org; Thu, 17 Sep 2020 11:07:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52740) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIvKb-0004qm-Ml for qemu-devel@nongnu.org; Thu, 17 Sep 2020 10:56:17 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:48635) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kIvKZ-0008UD-4x for qemu-devel@nongnu.org; Thu, 17 Sep 2020 10:56:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600354574; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=nFM8E3hTOUzSiG+Tc0+yuHZdnRbcpjIvigoJNmnTkqM=; b=WP9wnNneHMqU/bbCYvY7x4bL9ShQQdmBTgWCkYjgxsCK+jf6Zh/Q3XPtT7mrojas5rX1Lp jDPvBqrF5rX9441Lnj93g7F1Ctz6WAnYaH4Ce/tjgP7kJ9LBCr1aLavAXvNIlOUcVdMrpP 6I2gPa4k8yxaMlrmKXYN1+YADa8X3+4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-585-197ZgDaOObezgoeR1WZScQ-1; Thu, 17 Sep 2020 10:56:01 -0400 X-MC-Unique: 197ZgDaOObezgoeR1WZScQ-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 421901103D5C; Thu, 17 Sep 2020 14:55:17 +0000 (UTC) Received: from redhat.com (ovpn-114-29.ams2.redhat.com [10.36.114.29]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1116378A98; Thu, 17 Sep 2020 14:55:14 +0000 (UTC) Date: Thu, 17 Sep 2020 15:55:12 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Thomas Huth Subject: Re: Python 3.5 EOL; when can require 3.6? Message-ID: <20200917145512.GF1597829@redhat.com> References: <875z8eupyp.fsf@dusky.pond.sub.org> <9d4363e8-7bb8-8255-9914-6d9bc36cec79@redhat.com> MIME-Version: 1.0 In-Reply-To: <9d4363e8-7bb8-8255-9914-6d9bc36cec79@redhat.com> User-Agent: Mutt/1.14.6 (2020-07-11) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/17 02:01:40 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.997, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: Peter Maydell , Eduardo Habkost , Markus Armbruster , Michael Roth , QEMU Developers , Stefan Hajnoczi , Cleber Rosa , John Snow Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, Sep 17, 2020 at 04:10:55PM +0200, Thomas Huth wrote: > On 16/09/2020 16.00, Thomas Huth wrote: > > On 16/09/2020 14.30, Peter Maydell wrote: > >> On Wed, 16 Sep 2020 at 08:43, Markus Armbruster wrote: > >>> We require Python 3.5. It will reach its "end of life" at the end of > >>> September 2020[*]. Any reason not to require 3.6 for 5.2? qemu-iotests > >>> already does for its Python parts. > > [...] > >> The default should be > >> "leave the version dependency where it is", not "bump the version > >> dependency as soon as we can". > > > > OTOH, if none of our supported build systems uses python 3.5 by default > > anymore, it also will not get tested anymore, so bugs might creep in, > > which will of course end up in a bad experience for the users, too, that > > still try to build with such an old version. So limiting the version to > > the level that we also test is IMHO very reasonable. > > > > Let's have a look at the (older) systems that we support and the python > > versions according to repology.org: > > > > - RHEL7 / CentOS 7 : 3.6.8 > > - Ubuntu 18.04 (Bionic) : >= 3.6.5 > > - openSUSE Leap 15.0 : >= 3.6.5 > > - OpenBSD Ports : >= 3.7.9 > > - FreeBSD Ports : >= 3.5.10 - but there is also 3.6 or newer > > - Homebrew : >= 3.7.9 > > > > ... so I think it should be fine to retire 3.5 nowadays. > > Sorry, I forgot to check Debian. If I got that right, Debian 9 still > uses Python 3.5 by default. So I guess that means we can not deprecate > Python 3.5 yet? FWIW, Debian 9 EOL was July this year, if you only count the regular lifetime, not the LTS. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|