#7103: fix "mysterious error" in parallel doctesting first time: see ticket
#7079
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Reporter: was | Owner: tbd
Type: defect | Status: needs_work
Priority: blocker | Milestone: sage-4.2.1
Component: doctest | Keywords:
Work_issues: | Author:
Reviewer: | Merged:
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Comment(by jhpalmieri):
I don't think the ".DS_Store" files have anything to do it: I can recreate
this problem on sage.math by deleting my .sage directory and then doing
"sage -tp 4 devel/sage/sage/algebras", for example.
As far as I could tell, the presence (or lack) of init.sage was unrelated
to the problem, so it wasn't in the patch. I'm attaching a new patch
which puts those lines back, just in case. This patch runs "sage-starts"
at the beginning no matter what: a few extra seconds to run this shouldn't
be a big deal.
(As I said on #7079, I think the issue is that doctesting creates various
subdirectories of .sage, and if two processes both try to create .sage/gap
at the same time, they clash and one of them bombs. So running sage-
starts to create most of the relevant directories seems like a solution.
In some bizarre set of circumstances, I can imagine that someone will have
deleted everything in .sage except for init.sage, so we don't want to put
sage-starts inside that "if" clause. I suppose instead we could look for
the directories .sage/db, .sage/gap, .sage/ipython, .sage/temp, .sage/tmp,
and .sage/valgrind individually, creating whichever ones are missing. Do
we need to create any subdirectories of those in addition? It seems
cleaner to just run sage-starts.)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7103#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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