[Debian-med-packaging] Bug#878498: snakemake FTBFS with Python 3.6 as default

[chrysn]

On Fri, Dec 08, 2017 at 09:18:42AM +0100, Andreas Tille wrote:
> The problem is that when trying to build this I get a lot of errors in
> the build time tests.  Is there any volunteer to have a look?

I've started with the tests more or less at random, and the second seems
to be promising to solve most of them:

* test_delete_output is IMO an upstream bug that only triggers when
  SHELL does not try to be POSIX compatible (why should it unless
  invoked as `sh`), eg. when SHELL=zsh.

  There are 3 more that fail even when run locally w/o any Debian
  modifications, so we might need to mask them or apply any of the
  workarounds. (Postponed that until the big ones are done).

* The noop-rate-limiter workaround I introduced earlier to be able to
  work on the other issues of the new version doesn't work right now.
  Before I spend any more time fixing a workaround, I'll go ahead and
  ITP python3-ratelimiter [880661] -- with that workaround in place, we
  shouldn't release an updated snakemake anyway.

If the delay introduced by ratelimiter (even with me getting packaging
done "immediately" and follow-up sponsorship from DPMT, this will need
to go through NEW.

Best regards
chrysn

[1]: https://bitbucket.org/snakemake/snakemake/issues/722/tests-fail-when-shell-is-zsh-and-not-bash
[880661]: https://bugs.debian.org/880661

-- 
To use raw power is to make yourself infinitely vulnerable to greater powers.
  -- Bene Gesserit axiom
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