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[2001:44b8:31f2:bb00:cc57:d2b5:2b21:491a]) by smtp.gmail.com with ESMTPSA id p3sm7956721pjd.45.2021.11.13.10.49.50 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Nov 2021 10:49:51 -0800 (PST) References: <878rxtkolr.fsf@mat.ucm.es> <875yswn5zj.fsf@gmail.com> <87pmr42hhl.fsf@mat.ucm.es> User-agent: mu4e 1.7.5; emacs 28.0.60 From: Tim Cross To: emacs-orgmode@gnu.org Subject: Re: after installing python3.6 on Ubuntu 16.04, org files open with errors Date: Sun, 14 Nov 2021 05:39:45 +1100 In-reply-to: <87pmr42hhl.fsf@mat.ucm.es> Message-ID: <8735nz6gc3.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::1034 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=theophilusx@gmail.com; helo=mail-pj1-x1034.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-orgmode@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: "Emacs-orgmode" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1636829446; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=nsj0BOUhf64O3tgb3sVfcTX6emCiNXY+xB/HEfcMkrU=; b=Kax7/E724Fnqm6sA3arrNye5U2iHES59+RosVId/72Ha3me2hXIfrUWcgJwZDOYBhGWjlh kgwb9w25v5PGs8lyJeldqmmdR8IO9GXOw1SicRrk89S/98V+eAiEPPNaELuqJ3ebEzCfQz wcjPHoa9zq4hnGq+c1x49rBDMmEEVpeWC+BdSDuZ1DL5VlnBW+LK3gJ30ayTvL3V/qto/R fE8x9JSLHhW+4TYuf8gjWKEHQ2JjgiIhP9W4JXqxLoL3lqQ5tPabdrnVSJjCiEyQ0m2A7A knlOyP4BKdTWhokenxvKcrMlxPPqzf7D6vpeLCJHnHR7WqR04jMNmZRAW/5Rmg== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1636829446; a=rsa-sha256; cv=none; b=bJwN/D2aTvHV3Ml0D6DUjKSZERV37RfCZa0TfIAqTbuyC5xtu7iL9CNTSqSrOx7m0pgXEU nduIBG3TQ8UwrtanMC66vvSWLtqLNTvclmPqL4DXLKeQfwfKCRzKoqwATmlP4k9Mot2giH 5p9+Hz2U/8XuUt1mN4Zb23JbGgcxXZ9pEJzLyvr4jwKpyMz/aw4CEDsjOLeyQxN1FeJd62 A6G+LWeyNZg1Qs+8JADs/TbIPtqgg+UtWdbMxVKEhiJj+0G3BLg9Vb/JjyAby9szs/q0Zi WUKCzCdkqwUFcgDJmPJICsCG9emf9kQv7PUOTv5BHEYSeNSlxp4bZP0wsEacLg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=pJVNFO1v; spf=pass (aspmx1.migadu.com: domain of "emacs-orgmode-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="emacs-orgmode-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -3.54 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=pJVNFO1v; spf=pass (aspmx1.migadu.com: domain of "emacs-orgmode-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="emacs-orgmode-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 2417930B3D X-Spam-Score: -3.54 X-Migadu-Scanner: scn0.migadu.com X-TUID: Eh7xyvQkfXpR Uwe Brauer writes: > [[S/MIME Signed Part:Undecided]] > >> Uwe Brauer writes: > > >> The whole transition from v2.x to v3.x for python has been a terrible >> mess. Version issues are the most frustrating aspect of Python and one >> reason I've never embraced the language. > >> Given that Ubuntu 16.04 was end of life in April 2021, my recommendation >> would be to upgrade to ubuntu 21.04. That version seems to have a more >> consistent Python environment (based on v3). It also has newer ciaro, >> hafbuzz and other libs used by Emacs which will likely work better and >> once Emacs 28.0 is released, will have the gccjit libs necessary for >> native comp etc. > > Well in that case I'd rather would prefer 20.04 a LTS release. From > experience I know it will take me days till everything is working again, > but maybe it is time to do that step. > I would check what the status was with Python in 20.04. I'm not sure they had completed the migration to v3 at that point and it was still a mixed v2/v3 setup. Pretty sure by 21.04 it was all v3. While I do find upgrades to a new version can be very disruptive if it is left for a few versions, updates to the next version has been minimally disruptive for me. I guess a lot depends on how much 'extra' stuff you install and what tweaks you do, but for the last few years, I've found the upgrades quite painless. A lot depends on what changes - for example, I expect the update to 22.04 or maybe 22.10 will be more disruptive due to the move to pipewire for sound. One thing I do find useful is to upgrade a virtual first. I use virt-manager to create a virtual machine running my current version and then upgrade that to see how the upgrade goes. In fact, I tend to maintain a VM which is the same as my current version and whenever I need to make some potentially disruptive upgrades or configuration changes - such as updating org to a new version or try out the latest Emacs, I do that on the virtual machine first. This way, I don't interfere with my core system and configuration and have time to investigate any issues before doing the same on my core system.