#6251: [with patch, needs review] LogoutResource in sage/server/simple/twist.py
doesn't really log you out
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Reporter: ddrake | Owner: boothby
Type: defect | Status: new
Priority: major | Milestone: sage-4.0.2
Component: notebook | Keywords: simple server logout
Reviewer: | Author:
Merged: |
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Comment(by ddrake):
I've attached one attempt at some kind of solution. I noticed that the
SessionObject never gets deleted, so I thought I would just remove it from
the "sessions" dictionary. This does make the session unavailable from the
simple server, but I thought it might not properly get rid of the
worksheet...but it seems like it does. Perhaps when the SessionObject gets
deleted from the sessions dictionary, the worksheet and so on all get
garbage collected?
The GC theory seems a bit plausible, especially since I noticed the line
{{{sessions['test'] = session}}} in the file, which seems like some
leftover debugging cruft...I deleted that line and things seem to work
better, since now there isn't a spurious second reference to the session
object.
Here's a question: in the simple server, we create a worksheet, and to get
rid of it, we simply delete its directory. Is that sufficient? My thinking
is that it is, since we aren't creating the worksheet within the notebook,
so there's no other record of the worksheet's existence; hence deleting
the files removes all traces of the worksheet on disk. Is this correct?
I've tested this some, and it seems to solve my problems. Please check
this over!
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6251#comment:3>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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