On 21 July 2017 at 15:36, Michael Hudson-Doyle <[email protected] > wrote:
> On 29 June 2017 at 10:43, Michael Hudson-Doyle < > [email protected]> wrote: > >> >> >> On 21 June 2017 at 15:13, Michael Hudson-Doyle < >> [email protected]> wrote: >> >>> Hi all, >>> >>> An update on the transition to Python 3.6: Python 3.6 is now a supported >>> version in artful release, and almost all packages that build C extensions >>> have been rebuilt (pandas is still a problem). >>> >>> We have created a PPA where python3.6 is the default and rebuilt all >>> python packages: https://launchpad.net/~canonical-foundations/+arch >>> ive/ubuntu/python3.6-as-default/+packages and the next step is to fix >>> all the failures this reveals. The initial failing source packages are >>> listed in http://paste.ubuntu.com/24903638/ although some of those have >>> been fixed now. >>> >> >> The 100 or so failures are now summarised in >> https://docs.google.com/spreadsheets/d/1Y8dy5cyu8DrmTvT4CNSa >> VSP2ZZT79sYhT_rAQ19bFUQ/edit?usp=sharing, please do check if any >> packages you care about are on the list and fix any that you can see how >> to. Uploading fixes direct to the archive is preferred, but if you lack the >> rights to do that, attaching a bug to a debdiff and subscribe me (mwhudson >> on lp) and I'll sponsor it v. quickly! >> > > We've fixed many of these now, and I've uploaded the change to make python > 3.6 the default version in artful. Next step is getting this to migrate, > see http://people.canonical.com/~ubuntu-archive/proposed- > migration/artful/update_excuses.html#python3-defaults for that and please > help fix anything that is preventing the migration (like whatever it is > that breaks botch with python 3.6 as default...) > We are so very close to this. The final barrier (assuming that the recently uploaded samba does not drag any new problems in) is that src:yara does not build on armhf. This turns out to be because the codebase is full of code that assumes unaligned access is OK, for example stuff like this https://github.com/VirusTotal/yara/blob/master/libyara/exec.c#L224 but also more subtly stuff like https://github.com/VirusTotal/yara/blob/master/libyara/scan.c#L409 (new_match is only guaranteed to be 4-byte-aligned and crashes when you access an 8 byte field). This could all be fixed, I'm sure, but I don't know if upstream would be interested and at this stage I wonder if removing the package on armhf is more pragmatic. It has a few rdeps but not all that many. Thoughts? Cheers, mwh
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