#9894: Group cohomology spkg, version 2.1.2
-------------------------------------------------------+--------------------
Reporter: SimonKing | Owner:
SimonKing
Type: enhancement | Status:
needs_work
Priority: major | Milestone:
sage-5.0
Component: optional packages | Resolution:
Keywords: modular group cohomology solaris t2 | Work issues:
Report Upstream: N/A | Reviewers:
Karl-Dieter Crisman
Authors: Simon King | Merged in:
Dependencies: | Stopgaps:
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Comment (by SimonKing):
Replying to [comment:52 jhpalmieri]:
> On !OpenSolaris, I deleted the ./sage/pGroupCohomology directory and
reran self-tests. I got just a few failures: see
[http://sage.math.washington.edu/home/palmieri/misc/p_group_cohomology-2.1.2-new.log
the log file]. I may be misreading it, but these look like optional
doctests failing.
>
All but one error comes from a test that requires internet connection and
tests whether the package can read download data from some repository on
sage.math - and now I wonder: Isn't sage.math down at the moment?
I have just tried myself, but it failed:
{{{
sage: from pGroupCohomology import CohomologyRing
sage: H=CohomologyRing.web_db('8gp3')
---------------------------------------------------------------------------
ReadError Traceback (most recent call
last)
...
ReadError: file could not be opened successfully
}}}
Indeed, the problem is on the side of sage.math, and also it doesn't help
to change to boxen.math. Namely, Sage is supposed to get a g-zipped tar
file out of the data base, but what it receives is an html page saying
that the requested page can not be found on the server. I will ask on
sage-devel what happened.
One test is about the hash of matrices. The original aim was to test
against a specific value, but perhaps that was a bad idea. After all, the
specific value depends on whether the machine is big or little endian, and
whether it is 32 or 64 bit. So, we have four possible values.
I think the natural solution is to not test against a specific value, but
against the construction of the hash.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9894#comment:53>
Sage <http://www.sagemath.org>
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