[Paraview] GetSources() fails with Custom Filters

Tue Jun 8 17:16:28 EDT 2010

Hi Utkarsh,

Thank you very much, your fix did the trick!

Matt Wilkins

On Thu, Jun 03, 2010 at 01:32:45PM -0400, Utkarsh Ayachit wrote:
> I've committed a fix for this.
> 
> commit a573d3bafe54d5edf7ce49de9c46e6e91c52392b
> Author: Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
> Date:   Thu Jun 3 13:31:35 2010 -0400
> 
>     Update python modules when proxy definitions are updated.
> 
>     Python modules are now updated when new custom proxies or proxies
> from plugins
>     are loaded.
> 
> Utkarsh
> 
> On Thu, Jun 3, 2010 at 12:58 PM, Utkarsh Ayachit
> <utkarsh.ayachit at kitware.com> wrote:
> > I was able to reproduce this. The difference was I believe you are
> > starting the python shell before creating the custom filter, while I
> > was doing it after :). I'll take a look -- have an idea why.
> >
> > Utkarsh
> >
> > On Mon, May 31, 2010 at 9:06 PM,  <m.c.wilkins at massey.ac.nz> wrote:
> >>
> >> Hi,
> >>
> >> I just built paraview from the latest git repo, same as with 3.8.0.
> >>
> >> OK, so I must be doing something wrong with my Custom Filter.  Or did
> >> you not try the GetSources() before doing a restart with paraview?
> >>
> >> Matt Wilkins
> >>
> >> On Tue, Jun 01, 2010 at 08:57:14AM +1200, m.c.wilkins at massey.ac.nz wrote:
> >>>
> >>> Hi,
> >>>
> >>> Perhaps I am doing something wrong, because I am getting different
> >>> behaviour to you Utkarsh.
> >>>
> >>> I have not tried the current git-master, just 3.6.2 and 3.8.0.
> >>>
> >>> With 3.8.0 GetSources() only works if I make the custom filter, then
> >>> restart paraview and apply it.  If I apply the custom filter
> >>> immediately after making it, GetSources() craps out with the KeyError
> >>> as below.
> >>>
> >>> With 3.6.2 GetSources() always craps out, regardless of whether I
> >>> restart paraview or not.
> >>>
> >>> To make the custom filter I just make two filters, select them both,
> >>> go to Tools -> Create Custom Filter, give it a name, then hit Next
> >>> Next Finished.  I don't do anything more than that.  Is there some
> >>> other step I am missing perhaps?
> >>>
> >>> Thanks
> >>>
> >>> Matt Wilkins
> >>>
> >>> On Mon, May 31, 2010 at 09:17:53AM -0400, Utkarsh Ayachit wrote:
> >>> > Matt,
> >>> >
> >>> > I just tried the same with current git-master (should be same as 3.8
> >>> > as far as python stuff is concerned). It seems to work just fine:
> >>> >
> >>> > >>> from paraview.simple import *
> >>> > paraview version 3.9.0, Date: 2010-05-21
> >>> > >>> GetSources()
> >>> > {('Sphere1', '105'): <paraview.servermanager.Sphere object at 0x4c3ffd0>,
> >>> >  ('TwoShrinks1', '1111'): <paraview.servermanager.TwoShrinks object at
> >>> > 0x4c3fb10>}
> >>> > >>>
> >>> >
> >>> > Let me know if it doesn't work with  3.8 for you.
> >>> >
> >>> > Utkarsh
> >>> >
> >>> >
> >>> > On Sun, May 30, 2010 at 9:41 PM,  <m.c.wilkins at massey.ac.nz> wrote:
> >>> > >
> >>> > > Hi,
> >>> > >
> >>> > > Under 3.6.2 on linux in the python shell GetSources() fails if there are
> >>> > > sources in the pipeline browser that appeared from Custom Filters.  The error
> >>> > > is:
> >>> > >
> >>> > >>>> GetSources()
> >>> > > Traceback (most recent call last):
> >>> > >  File "<console>", line 1, in <module>
> >>> > >  File "/home/kitware/ParaView3/Utilities/BuildScripts/ParaView-3.6/ParaView3Bin/Utilities/VTKPythonWrapping/paraview/simple.py", line 195, in GetSources
> >>> > >  File "/home/kitware/ParaView3/Utilities/BuildScripts/ParaView-3.6/ParaView3Bin/Utilities/VTKPythonWrapping/paraview/servermanager.py", line 1493, in GetProxiesInGroup
> >>> > >  File "/home/kitware/ParaView3/Utilities/BuildScripts/ParaView-3.6/ParaView3Bin/Utilities/VTKPythonWrapping/paraview/servermanager.py", line 1704, in next
> >>> > >  File "/home/kitware/ParaView3/Utilities/BuildScripts/ParaView-3.6/ParaView3Bin/Utilities/VTKPythonWrapping/paraview/servermanager.py", line 2280, in _getPyProxy
> >>> > >  File "/home/kitware/ParaView3/Utilities/BuildScripts/ParaView-3.6/ParaView3Bin/Utilities/VTKPythonWrapping/paraview/servermanager.py", line 2339, in _findClassForProxy
> >>> > > KeyError: 'Foo'
> >>> > >>>>
> >>> > >
> >>> > > What I am doing is creating a Custom Filter (Foo) by: selecting two filters I
> >>> > > have applied, clicking on Create Custom Filter, then taking all the defaults
> >>> > > (clicking through Next Next Next, then Finished).  Then I apply that custom
> >>> > > filter, then run a GetSources() in the python shell and the above error
> >>> > > appears.
> >>> > >
> >>> > > I friend tried the above with 3.8.0 on Windows with similar results.
> >>> > > I don't completely trust he did it right, but he probably did, so the
> >>> > > problem is probably not limited to 3.6.2 on linux.
> >>> > >
> >>> > > Have I done something wrong with my Custom Filter?
> >>> > >
> >>> > > Thank you very much for any help you can offer.
> >>> > >
> >>> > > Matt Wilkins
> >>> > >
> >>> > > _______________________________________________
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> >>> > >
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> >>> > >
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