[Paraview] python scripting

Fri Mar 22 01:17:54 EDT 2013

Hi,

So I got python2.7 working and I set all the variables correctly like you
advised but I still get errors. When I try to run a saved trace using
python, I get the following errors.

b8-8d-12-38-84-40:Python chukwudichukwudozie$ python trace.py
Traceback (most recent call last):
  File "trace.py", line 2, in <module>
    except: from paraview.simple import *
  File "/Applications/ParaView.app/Contents/Python/paraview/simple.py",
line 39, in <module>
    import servermanager
  File
"/Applications/ParaView.app/Contents/Python/paraview/servermanager.py",
line 43, in <module>
    import paraview, re, os, os.path, new, sys, vtk
  File
"/Applications/ParaView.app/Contents/Python/paraview/vtk/__init__.py", line
1, in <module>
    from vtkCommonPython import *
ImportError:
dlopen(/Applications/ParaView.app/Contents/Libraries/vtkCommonPython.so,
2): Library not loaded:
@executable_path/../Libraries/libvtkCommonPythonD.pv3.14.dylib
  Referenced from:
/Applications/ParaView.app/Contents/Libraries/vtkCommonPython.so
  Reason: image not found

Also, when I try to use pvpython to run a simple script to plot graph, I
get the error message below

b8-8d-12-38-84-40:Python chukwudichukwudozie$ pvpython plot.py
Traceback (most recent call last):
  File "plot.py", line 2, in <module>
    import numpy as np
  File
"/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/numpy/__init__.py",
line 130, in <module>
    import add_newdocs
  File
"/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/numpy/add_newdocs.py",
line 9, in <module>
    from lib import add_newdoc
  File
"/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/numpy/lib/__init__.py",
line 152, in <module>
    from type_check import *
  File
"/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/numpy/lib/type_check.py",
line 8, in <module>
    import numpy.core.numeric as _nx
  File
"/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/numpy/core/__init__.py",
line 5, in <module>
    import multiarray
ImportError:
dlopen(/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/numpy/core/multiarray.so,
2): no suitable image found.  Did find:
/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/numpy/core/multiarray.so:
mach-o, but wrong architecture

Thanks.

On Sun, Mar 17, 2013 at 6:43 PM, Pat Marion <pat.marion at kitware.com> wrote:

> For PYTHONPATH, try removing the last /paraview components from the path,
> so you're setting:   /Applications/ParaView.app/Contents/Python
>
> Also add /Applications/ParaView.app/Contents/Libraries to PYTHONPATH and
> DYLD_LIBRARY_PATH.  Note, that is DYLD not LD.  You don't need to add the
> Contents/bin directory to DYLD_LIBRARY_PATH, and you don't need to add
> DYLD_LIBRARY_PATH to PATH, and you don't need to add PYTHONPATH to PATH.
>
>
> In summary, ParaView uses both pure python modules and c extension
> modules.  The pure python modules are in Contents/Python, and the c
> extension modules are in Contents/Libraries.  Both these paths should be on
> PYTHONPATH (or append sys.path at the top of your main script).  The c
> extenion modules have dependencies on dynamic libraries which are located
> in Contents/Libraries, so Contents/Libraries this needs to be in the
> DYLD_LIBRARY_PATH.
>
> Pat
>
>
> On Sat, Mar 16, 2013 at 12:58 PM, Chukwudi Chukwudozie <
> cchukw1 at tigers.lsu.edu> wrote:
>
>> Hi,
>>
>> I want help to be able to do the following two things using my mac OS X
>> 10.7.5 but I have not been successful.
>>
>> 1. Run a paraview python script on terminal using pvpython.
>> 2. Run the same script on terminal using python.
>>
>> For (1) above, I saved the trace for a particular operation and ran it
>> using pvpython and it worked. However, I got a paraview python scripts
>> (newscript.py) on the internet and when I try to run them on my terminal
>> using pvpython, it aborts with the error below.
>>
>> Traceback (most recent call last):
>>   File "newscript.py", line 3, in <module>
>>     Connect()
>>   File
>> "/Applications/ParaView.app/Contents/Python/paraview/servermanager.py",
>> line 1932, in Connect
>>     connection = Connection(id, session)
>>   File
>> "/Applications/ParaView.app/Contents/Python/paraview/servermanager.py",
>> line 1806, in __init__
>>     raise RuntimeError, "Concurrent connections not supported!"
>> RuntimeError: Concurrent connections not supported!
>>
>>
>> For (2) above, I tried to run on my terminal using system python, the
>> saved trace (newparaview.py) that was successful with pvpython and it keeps
>> aborting with the following error messages
>>
>> Traceback (most recent call last):
>>   File "newparaview.py", line 2, in <module>
>>     from paraview.servermanager import *
>> ImportError: No module named paraview.servermanager
>>
>> My .bash_profile file looks like this.
>>
>> export LD_LIBRARY_PATH=/Applications/ParaView.app/Contents/bin
>> export PATH=$PATH:${LD_LIBRARY_PATH}
>>
>> export
>> PYTHONPATH=$PYTHONPATH:/Applications/ParaView.app/Contents/Python/paraview:/Applications/ParaView.app/Contents/bin
>> export PATH=$PATH:{$PYTHONPATH}
>>
>> # Setting PATH for EPD_free-7.2-2
>> # The orginal version is saved in .bash_profile.pysave
>> PATH="/Library/Frameworks/Python.framework/Versions/Current/bin:${PATH}"
>> export PATH
>>
>>
>> Regards,
>>
>>
>> --
>> Chukwudi Chukwudozie
>> cchukw1 at tigers.lsu.edu
>> Craft and Hawkins Department of Petroleum Engineering
>> Louisiana State University
>> Patrick F. Taylor Hall (CEBA)
>> Room 3429
>> Baton Rouge LA, 70803
>> Cell:3373546822
>> Office: 2255786064
>>
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>>
>

-- 
Chukwudi Chukwudozie
cchukw1 at tigers.lsu.edu
Craft and Hawkins Department of Petroleum Engineering
Louisiana State University
Patrick F. Taylor Hall (CEBA)
Room 3429
Baton Rouge LA, 70803
Cell:3373546822
Office: 2255786064
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