[ZOO-Discuss] GIS GRASS ZOO integration

[Soeren Gebbert]

Hello Eugenio,

2010/9/24 Eugenio Realini <eugenio.realini at gmail.com>:
> Hi Soeren,
>
> first of all, thanks for you work!

Thank you very much. Unfortunately i was and i am still very busy
implementing greenhouse gas emission modules since August. So i was
not able to provide a updated version of the GIS GRASS ZOO integration
framework to follow the rapid ZOO kernel and grass7 development.
Therefor i am not sure if the framework still works with ZOO and
grass7 svn version. :/

BUT, i will be hopefully able in the next weeks to implement a new
version of the framework and to remove the PyXB dependency.

Back to the problem: the Python WPS interface was generated using PyXB
version 1.1.1, so this may be the source of the error. Can you please
try PyXB 1.1.1?
In case this works, please run the ZOOGrassModuleStarter.py at its own
in GRASS/ZOO_Project, because it implements a test when its started
directly. In case the test runs without problems, then you can try to
call it via the ZOO loader.

The GIS GRASS 7 WPS integration framework has been moved from the
vtk-grass-bridge (http://code.google.com/p/vtk-grass-bridge/) to
wps-grass-bridge (http://code.google.com/p/wps-grass-bridge/),
tutorials and examples are still missing, but will be written this
year (november - december) when the greenhouse gas emission modules
are connected to the ZOO WPS server.

Please excuse the delay.

Best regards
Soeren


>
> Second, please ZOOers be nice with us: it's the first time we try to
> run ZOO, so maybe we did some newbie mistake ;)
>
> We are trying to setup a ZOO-GRASS installation but we encountered a
> problem, likely related to the use of PyXB (but I could be wrong).
>
> Here is what we did:
>
> 1) we are using an Ubuntu 10.04 system where we previously compiled
> GRASS 7 from SVN (grass-7.0.svn_src_snapshot_2009_11_28 --- GRASS
> works without problems)
>
> 2) installed ZOO following the "DebianLike_installation" (ZOO seems to
> be working: GetCapabilities, DescribeProcess, Execute all work ---
> HelloPy also works)
>
> 3) installed PyXB 1.1.2, which failed some self-tests, so we
> downgraded it to version 1.1.0, which passed all self-tests. Anyway,
> our problem persists with both versions...
>
> 4) installed your modules following these instructions
> http://www.zoo-project.org/trac/ticket/2
>
> 5) here are some results:
>
> GetCapabilities:
> http://131.175.143.108/cgi-bin/zoo_loader.cgi?Service=WPS&Request=GetCapabilities&Version=1.0.0
>
> DescribeProcess:
> http://131.175.143.108/cgi-bin/zoo_loader.cgi?Service=WPS&Request=DescribeProcess&Version=1.0.0&Identifier=r_univar
>
> Execute HelloPy:
> http://131.175.143.108/cgi-bin/zoo_loader.cgi?Service=WPS&Request=Execute&Version=1.0.0&Identifier=HelloPy&DataInputs=a=ege
>
> Execute r_univar (which does not work):
> http://131.175.143.108/cgi-bin/zoo_loader.cgi?Service=WPS&Request=Execute&Version=1.0.0&Identifier=r_univar&DataInputs=map=DTM_108.tif
>
> As you can see we get a "Python module r_univar cannot be loaded."
>
> If we check the specific problem (by running the module from the cmd
> line or by checking the apache log file) we get this error:
>
> Traceback (most recent call last):
>  File "r_univar.py", line 1, in <module>
>    import ZOO_Project.ZOOGrassModuleStarter as zoo
>  File "/usr/lib/cgi-bin/ZOO_Project/ZOOGrassModuleStarter.py", line
> 43, in <module>
>    import WPS_1_0_0.OGC_WPS_1_0_0 as wps
>  File "/usr/lib/cgi-bin/ZOO_Project/WPS_1_0_0/OGC_WPS_1_0_0.py", line
> 18, in <module>
>    import WPS_1_0_0._ows
>  File "/usr/lib/cgi-bin/WPS_1_0_0/_ows.py", line 2278, in <module>
>    DescriptionType._ContentModel =
> pyxb.binding.content.ContentModel(state_map = {
> AttributeError: 'module' object has no attribute 'ContentModel'
>
> Any clue?
>
> Thanks in advance.
> Ege
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