#12002: avoid race conditions when creating directories - scripts
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Reporter: jdemeyer | Owner: leif
Type: defect | Status: needs_review
Priority: blocker | Milestone: sage-4.8
Component: scripts | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: Jeroen Demeyer
Merged: | Dependencies:
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Comment(by jdemeyer):
Replying to [comment:4 jhpalmieri]:
> In sage-ptest, the code
> {{{
> #!python
> if os.path.isdir(TMP): # used to be os.path.exists(TMP)
> shutil.rmtree(TMP)
> os.makedirs(TMP)
> }}}
> will now fail if TMP exists but is not a directory.
My idea was that TMP should never be an ordinary file. If it ever happens
that TMP is a file, then something must have gone badly wrong.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12002#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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