[SciPy-user] Re: Enthought python

Ryan Krauss ryanfedora at comcast.net
Tue Jul 19 10:30:33 CDT 2005


Sorry about the html e-mail thing.  I have been asked before, but I use 
several different computers and apparently haven't set this one 
correctly.  It should be taken care of now.

I tried placing vtkRenderingPythonTkWidgets.dll in all of the places you 
mentioned with no success.

I went into def vtkLoadPythonTkWidgets(interp): and specifically 
appended the pathlist with a location where I had the dll installed: 
pathlist.append('C:\\Python23\\Lib\\site-packages\\vtk_python\\vtk\\tk')


I also turned on the python debugger and here is what I learned:

(Pdb) fullpath
'C:\\Python23\\lib\\site-packages\\vtk_python\\vtkRenderingPythonTkWidgets.dll'
(Pdb) import os
(Pdb) os.path.exists(fullpath)
True
(Pdb) n
 > 
c:\python23\lib\site-packages\vtk_python\vtk\tk\vtkloadpythontkwidgets.py(62)v
tkLoadPythonTkWidgets()
-> if interp.eval('catch {load '+fullpath+' '+pkgname+'}') == '0':
(Pdb) interp.eval('catch {load '+fullpath+' '+pkgname+'}')
'1'
(Pdb) pkgname
'Vtkrenderingpythontkwidgets'
(Pdb)

So apparently, the dll is being found and its original location was 
fine, but the package Vtkrenderingpythontkwidgets cannot be found within 
the dll (I guess).

Ryan

Prabhu Ramachandran wrote:

>>>>>>"Ryan" == Ryan Krauss <ryanfedora at comcast.net> writes:
>>>>>>            
>>>>>>
>
>[...]
>    Ryan> y", line 63, in vtkLoadPythonTkWidgets<br>
>    Ryan> &nbsp;&nbsp;&nbsp; interp.call('load', filename)<br>
>    Ryan> _tkinter.TclError: couldn't load library
>    Ryan> "vtkRenderingPythonTkWidgets.dll": this<br> &nbsp;library or
>    Ryan> a dependent library could not be found in library path<br>
>    Ryan> <br> <br> The dll mentioned is in the vtk_python folder in
>    Ryan> C:\Python23\Lib\site-packages\vtk_python\vtkRenderingPythonTkWidgets.dll<br>
>    Ryan> <br> Thanks for any help in taking this further.<br> <br>
>
>Please don't send HTML emails, they are impossible for me to quote
>correctly.  I think I might have an older version of the ZIP file on
>my disk which I moved to the SF page.  To fix your problem just move
>the vtkRenderingPythonTkWidgets.dll into the vtk sub directory inside
>vtk_python and see if that fixes it.  If it does please let me know,
>and if it still does not work, then move it into Python23/Scripts/.  
>
>Please get back to me on what works and I'll fix the ZIP file and
>upload a new one when I get the time.  Thanks.
>
>cheers,
>prabhu
>
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