[Qgis-developer] SAGA modules (version 2.1.0) through SEXTANTE on Mac OSX

[Olav Peeters]

Hi Salvatore,
I'm on version 1.0.8 installed through the Python Plugin Installer.
I guess these latest changes on github have not yet made into the 
packaged version...
I will try again with sextante from source... tomorrow ;-)
Olav

On 22/12/12 00:16, Salvatore Larosa wrote:
> Hi Olav,
>
> 2012/12/21 Olav Peeters <opeeters at gmail.com <mailto:opeeters at gmail.com>>
>
>     A quick and dirty circumvention of the check is to change line 373
>     in ~/.qgis/python/plugins/sextante/saga/SagaAlgorithm.py
>     to:
>     if "" in line:
>     (restart Qgis)
>
>     this way the modules do open since the check is basically disabled.
>     The original code should also though. Maybe it's encoding related.
>     When I execute a Saga module, this happens during saving the output:
>
>     An error has occured while executing Python code:
>
>     Traceback (most recent call last):
>       File
>     "/Users/myaccount/.qgis//python/plugins/sextante/gui/OutputSelectionPanel.py",
>     line 95, in saveToFile
>         self.text.setText(str(filename))
>     UnicodeEncodeError: 'ascii' codec can't encode character u'\xff'
>     in position 2: ordinal not in range(128)
>
>
> are you using the latest sextante version ? From your traceback it 
> seem not.
> line 95 [1] has been changed !
>
> Unfortunately, that's an annoying error that affects several tools 
> (much less now) in sextantewhen non-ascii chars are used !
>
>
> Regards,
>
> -SL
>
> [1] - 
> https://github.com/qgis/Quantum-GIS/blob/master/python/plugins/sextante/gui/OutputSelectionPanel.py#L95
>
>     Should I have compiled with a different locale set?
>
>     We are nearly there :-)
>
>     Olav
>
>
>
>     On 20/12/12 23:09, Victor Olaya wrote:
>
>         There is actually the following check in the case of mac and
>         linux:
>
>                      command = ["saga_cmd"]
>                      proc = subprocess.Popen(command, shell=True,
>         stdout=subprocess.PIPE,
>         stdin=subprocess.PIPE,stderr=subprocess.STDOUT,
>         universal_newlines=True).stdout
>                      for line in iter(proc.readline, ""):
>                          if "________" in line:
>                              settings.setValue(SAGA_INSTALLED, True)
>                              return
>                      return "It seems that SAGA is not correctly
>         installed in
>         your system.\nPlease install it before running SAGA algorithms."
>
>         basically, it is a naive check to see if executing saga_cmd in a
>         console returns something that looks like the SAGA CMD header. It
>         works fin in linux, but it seems it is not working in Mac. Are you
>         sure saga is in your path? if so, what do you see when you execute
>         saga_cmd? maybe the header is different for some reason?
>
>         Thanks in advance!
>
>         2012/12/20 John C. Tull <jctull at gmail.com
>         <mailto:jctull at gmail.com>>:
>
>             On Dec 19, 2012, at 2:49 AM, Victor Olaya
>             <volayaf at gmail.com <mailto:volayaf at gmail.com>> wrote:
>
>                 Olav,
>
>                 Thanks for your contribution!
>
>                     There is no option "SAGA folder" in the SEXTANTE
>                     configuration like you have
>                     when installing on Windows. I haven't checked on
>                     Linux, but I guess the
>                     Unixes don't need this, as long as saga_cmd is in
>                     the path, right?
>
>                 Right, Mac and Linux should work in the same way. Let
>                 me check,
>                 because maybe in Mac it is performing the same check
>                 as in windows
>                 (that is, checking that the SAGA folder is set...)
>
>                 Looks like an easy to solve problem...i hope
>
>                 Will keep you posted
>
>                 Thanks again!
>
>
>                 Victor
>
>             It looks like I'm a little late to the party on this. I
>             confirm the same. I look forward to a solution on this for
>             OS X. We can work on grass, perhaps, once that is resolved.
>
>             Regards,
>             John
>
>
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>
>
>
> -- 
> Salvatore Larosa
> linkedIn: http://linkedin.com/in/larosasalvatore
> twitter: @lrssvt
> skype: s.larosa
> IRC: lrssvt on freenode

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