Re: [Visualpython-users] Weird error importing visual

[Bruce S. <Bru...@nc...>]

This is not familiar. The only prior case I know of that seems a bit 
similar is that a group using VPython for research visualization had 
strange failures until they discovered that the problems were somehow 
caused by their having installed a particular video program, completely 
unrelated to Python. Do you recall recently installing a new program on 
each of your computers?

Although I know of no reason why it should matter, you might upgrade to 
Python 2.6 and VPython 5.31.

Bruce Sherwood

On 4/5/2010 3:40 AM, Davidmh wrote:
> Hello.
>
> Recently, when I tried to execute a working program depending on
> VPython, it raised an error importing the library. That was not fixed
> reinstalling the whole Python interpreter and libraries.
>
> It happened suddenly in my fixed computer, I cannot relate it to any
> change in it, but in my laptop was still operative. Some weeks later,
> I run a trivial program (just creating the scene and plotting an
> sphere) in my laptop, worked; I ran it again just before and there was
> the error I could not get rid of.
>
>
> I use Python 2.5.4 and VPython 5.11 over WXP, Professional (fixed) and
> Home (laptop),  both with antivirus NOD32 4.0, and the error are:
>
> The first time I run the program in the Python IDLE:
>
>    
>>>> import visual
>>>>          
> Traceback (most recent call last):
>    File "<pyshell#0>", line 1, in<module>
>      import visual
>    File "F:\Archivos de
> programa\Clasificados\Programación\Python\2.5\lib\site-packages\visual\__init__.py",
> line 83, in<module>
>      cvisual._set_dataroot( _os_path.split( __file__ )[0] + _os_path.sep)
> UnicodeDecodeError: 'ascii' codec can't decode byte 0xf3 in position
> 47: ordinal not in range(128)
>
>
> And if I try it again, I get:
>
>    
>>>> import visual
>>>>          
> Traceback (most recent call last):
>    File "<pyshell#1>", line 1, in<module>
>      import visual
>    File "F:\Archivos de
> programa\Clasificados\Programación\Python\2.5\lib\site-packages\visual\__init__.py",
> line 70, in<module>
>      del ui, crayola, primitives
> NameError: name 'ui' is not defined
>
>
> Any ideas of what is happening and how to solve it? Thank you very much.
>
> Regards.
>
> David Menéndez.
>
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