[Moin-user] error when installing packages with attachments that contain special characters in their name

Michael Decker m.decker at fz-juelich.de
Fri Jan 13 06:26:14 EST 2012 

Hi Reimar,

thanks for your input. I noticed too late that my error message was cut
off at the end and thus was not too helpful, I'm pasting the full error
message at the bottom for future reference.
Anyway, I figured out the problem now: My whole system was already set
to UTF-8 - except for the apache server that still had a LANG=C in its
config file. After replacing that with the system default, everything is
working fine now.

Michael

PS: the complete error message (this time)
-------------------------
[Thu Jan 12 17:52:55 2012] [error] Traceback (most recent call last):
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 282, in
__call__
[Thu Jan 12 17:52:55 2012] [error]     response = run(context)
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 88, in run
[Thu Jan 12 17:52:55 2012] [error]     response = dispatch(request,
context, action_name)
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 136, in
dispatch
[Thu Jan 12 17:52:55 2012] [error]     response = handle_action(context,
pagename, action_name)
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 195, in
handle_action
[Thu Jan 12 17:52:55 2012] [error]     handler(context.page.page_name,
context)
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/action/AttachFile.py", line
520, in execute
[Thu Jan 12 17:52:55 2012] [error]     msg = handler(pagename, request)
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/action/AttachFile.py", line
889, in _do_install
[Thu Jan 12 17:52:55 2012] [error]     if package.installPackage():
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/packages.py", line 477, in
installPackage
[Thu Jan 12 17:52:55 2012] [error]     return self.runScript(commands)
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/packages.py", line 446, in
runScript
[Thu Jan 12 17:52:55 2012] [error]     fn(*elements[1:])
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/site-packages/MoinMoin/packages.py", line 139, in
do_addattachment
[Thu Jan 12 17:52:55 2012] [error]     if not os.path.exists(target):
[Thu Jan 12 17:52:55 2012] [error]   File
"/usr/lib/python2.5/posixpath.py", line 171, in exists
[Thu Jan 12 17:52:55 2012] [error]     st = os.stat(path)
[Thu Jan 12 17:52:55 2012] [error] UnicodeEncodeError: 'ascii' codec
can't encode character u'\\xdf' in position 53: ordinal not in range(128)
------------------------------

On 13.01.2012 08:57, R.Bauer wrote:
> Hi
> 
> I tried a similiar example on my linux system with LC_ALL=de_DE.utf8
> This matches the encoding on the server.
> 
> I created a file jülich.txt with vim.
> There is no problem to create a package and install it later on back
> with that name used.
> 
> I guess you have a non utf-8 encoding in your file names. You can check
> by converting such a filename to the utf-8 encoding by convmv (convmv -
> converts filenames from one encoding to another). May be your filenames
> have ISO-8859-1.
> 
> The fix is then to convert all old filenames to the yet used encoding of
> utf-8 on all modern OS.
> 
> cheers
> Reimar
> 
> 
> 
> Am 12.01.2012 18:08, schrieb Michael Decker:
>> Hi everyone,
>>
>> I just noticed that I get an error when trying to install a package
>> which contains attachments with special characters in their name (like
>> "ä" or "ß"), the server fails with return code 500.
>> The relevant part from the apache error.log is
>> --------------
>> [Thu Jan 12 17:52:55 2012] [error] Traceback (most recent call last):
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 282, in
>> __call__
>> [Thu Jan 12 17:52:55 2012] [error]     response = run(context)
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 88, in run
>> [Thu Jan 12 17:52:55 2012] [error]     response = dispatch(request,
>> context, action_name)
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 136, in
>> dispatch
>> [Thu Jan 12 17:52:55 2012] [error]     response = handle_action(context,
>> pagename, action_name)
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/wsgiapp.py", line 195, in
>> handle_action
>> [Thu Jan 12 17:52:55 2012] [error]     handler(context.page.page_name,
>> context)
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/action/AttachFile.py", line
>> 520, in execute
>> [Thu Jan 12 17:52:55 2012] [error]     msg = handler(pagename, request)
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/action/AttachFile.py", line
>> 889, in _do_install
>> [Thu Jan 12 17:52:55 2012] [error]     if package.installPackage():
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/packages.py", line 477, in
>> installPackage
>> [Thu Jan 12 17:52:55 2012] [error]     return self.runScript(commands)
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/packages.py", line 446, in
>> runScript
>> [Thu Jan 12 17:52:55 2012] [error]     fn(*elements[1:])
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/site-packages/MoinMoin/packages.py", line 139, in
>> do_addattachment
>> [Thu Jan 12 17:52:55 2012] [error]     if not os.path.exists(target):
>> [Thu Jan 12 17:52:55 2012] [error]   File
>> "/usr/lib/python2.5/posixpath.py", line 171, in exists
>> [Thu Jan 12 17:52:55 2012] [error]     st = os.stat(path)
>> ----------------------
>>
>> I have tried to debug this and took a look at the code in packages.py.
>> When I run (what I believe to be) the exact same commands on an
>> interactive python shell - even when using the MOIN_PACKAGE file as
>> input for the attachment filename - the os.path.exists() call just works
>> as expected. I just updated to the latest 1.9 devel version available
>> via hg but I still get the same error.
>>
>> The following actions reproduce the error on my system:
>> - Upload an attachment with special character in the name to a Page (for
>> example WikiSandBox).
>> - Select the package pages option
>> - package WikiSandBox (WITH attachments)
>> - move the WikiSandBox page out of the way
>> - upload package to the wiki
>> - click install
>>
>> Any ideas? So far I was unable to find any such bug filed at moinmo.in
>>
>>
>> Some System Info:
>> - Debian Stable
>> - Apache 2.2 with mod_wsgi
>> - python 2.5
>> - moin 1.9.3 (latest from hg)
>>
>> Cheers,
>> Michael
>>
>> ------------------------------------------------------------------------------------------------
>> ------------------------------------------------------------------------------------------------
>> Forschungszentrum Juelich GmbH
>> 52425 Juelich
>> Sitz der Gesellschaft: Juelich
>> Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498
>> Vorsitzender des Aufsichtsrats: MinDirig Dr. Karl Eugen Huthmacher
>> Geschaeftsfuehrung: Prof. Dr. Achim Bachem (Vorsitzender),
>> Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt,
>> Prof. Dr. Sebastian M. Schmidt
>> ------------------------------------------------------------------------------------------------
>> ------------------------------------------------------------------------------------------------
>>
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
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> 
> 
> 
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------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------
Forschungszentrum Juelich GmbH
52425 Juelich
Sitz der Gesellschaft: Juelich
Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498
Vorsitzender des Aufsichtsrats: MinDirig Dr. Karl Eugen Huthmacher
Geschaeftsfuehrung: Prof. Dr. Achim Bachem (Vorsitzender),
Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt,
Prof. Dr. Sebastian M. Schmidt
------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------


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