#9739: Handle duplicate file basenames when testing multiple files in parallel
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Reporter: mpatel | Owner: mvngu
Type: defect | Status: needs_work
Priority: critical | Milestone: sage-4.7.1
Component: doctest | Keywords: doctest scripts
Work_issues: | Upstream: N/A
Reviewer: Robert Bradshaw | Author: Mitesh Patel
Merged: | Dependencies:
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Comment(by leif):
Replying to [comment:47 jhpalmieri]:
> Can we just use Python's tempfile module, for example
[http://docs.python.org/library/tempfile.html#tempfile.mkstemp mkstemp]?
This should produce a temporary file safely, avoiding race conditions. We
can have the name end with the file being tested, including its path.
I see no reason for doing so. We don't need even more cryptic filenames,
and I don't think it will work across NFS filesystems.
The only "race condition" that can occur in what I suggested above is in
the creation of `SAGE_TESTDIR` itself (if it doesn't already exist), and
that can easily be catched.
> (I think we should do the same thing for `SAGE_TMP` in `misc.py`, but
that's for another ticket.)
I wouldn't do that either. If we create temporary files from shell
scripts, we can use the same mechanism.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9739#comment:48>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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