Does this fix ever lock you out of your session?

Massimo

On Nov 28, 12:19 pm, "mr.freeze" <[email protected]> wrote:
> I haven't seen the session lock yet but there are many unlocking
> errors (no locking errors). I did this:
>
>     def lock(file, flags):
>         file.seek(0)
>         mode = {LOCK_NB:LK_NBLCK, LOCK_SH:LK_NBLCK, LOCK_EX:LK_LOCK}
> [flags]
>         try:
>             msvcrt.locking(file.fileno(), mode,
> os.path.getsize(file.name))
>         except IOError:
>             logger.warn('Locking error')
>
>     def unlock(file):
>         file.seek(0)
>         mode = LK_UNLCK
>         try:
>             msvcrt.locking(file.fileno(), mode,
> os.path.getsize(file.name))
>         except IOError:
>             logger.warn('Unlocking error')
>
> On Nov 27, 4:19 pm, mdipierro <[email protected]> wrote:
>
> > Here there is a thread on the topic:
>
> >http://code.activestate.com/lists/python-list/236518/
>
> > although it does not help much.
>
> > For debugging purporses.... if you replace
>
> >     msvcrt.locking(file.fileno(), mode, os.path.getsize(file.name))
>
> > with
>
> >     try: msvcrt.locking(file.fileno(), mode,
> > os.path.getsize(file.name))
> >     except IOError: pass
>
> > do you end up with a session permanently locked or does it fix the
> > problem?
>
> > Massimo
>
> > On Nov 27, 3:34 pm, "mr.freeze" <[email protected]> wrote:
>
> > > I get this occasionally on Windows 7 and Python 2.5:
>
> > > Traceback (most recent call last):
> > >   File "C:\web2py\gluon\restricted.py", line 188, in restricted
> > >     exec ccode in environment
> > >   File "C:/web2py/applications/test/models/db.py", line 66, in
> > > <module>
> > >     Field('converter')
> > >   File "C:\web2py\gluon\sql.py", line 1380, in define_table
> > >     t._create(migrate=migrate, fake_migrate=fake_migrate)
> > >   File "C:\web2py\gluon\sql.py", line 1856, in _create
> > >    portalocker.unlock(tfile)
> > >   File "C:\web2py\gluon\portalocker.py", line 78, in unlock
> > >     msvcrt.locking(file.fileno(), mode, os.path.getsize(file.name))
> > > IOError: [Errno 13] Permission denied
>
> > > I reload the page and it goes away for a while.
>
>

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