Another scheme I've used is to use Visual 3 with Python 2.4 and Visual 5
with Python 2.5. But of course this won't work if you're relying on some
features of Python 2.5.
Bruce Sherwood
Stef Mientki wrote:
> hi Roberto,
>
> sometime ago I wrote the message below,
> works like a charm under windows.
>
> cheers,
> Stef
>
> I played around, and found the following work around:
> - I installed Vpython version 5 on a different computer (afraid of
> harming my own work-PC ;-)
> - called the visual directory "visual5"
> - copied that visual5 directory to site-packages
> - created the function below, which I place on a central place where all
> programs can reach it
> - and add a line to all VPython programs "Get_Visual ( ... )" before
> importing visual, seems to work great.
>
> cheers,
> Stef
>
>
> def Get_Visual ( Version = 3 ) :
> import os, sys
> print sys.path
> for path in sys.path :
> if path.endswith ( 'site-packages') :
> print path
> break
> vpath = os.path.join ( path, 'visual' )
> if ( Version == 3 ) and os.path.exists ( vpath + '3' ) :
> print 'Visual ==> V3', vpath
> os.rename ( vpath, vpath + '5' )
> os.rename ( vpath + '3', vpath )
> elif ( Version == 5 ) and os.path.exists ( vpath + '5' ) :
> print 'Visual ==> V5', vpath
> os.rename ( vpath, vpath + '3' )
> os.rename ( vpath + '5', vpath )
>
> Get_Visual ( 3 )
> from visual import *
> ...
>
>
>
> Roberto Aguirre Maturana wrote:
>> I have found some compatibility problems between vpython 3 and 5 (it seems
>> that pixel shading is not universal enugh). Therefore, I don't think I
>> will be able to make the transition to version 5 any time soon.
>>
>> Is there a way to have version 3 and version 5 co-existing on the same
>> computer, so I can call them independently?
>>
>> I guess, maybe a solution could be to create an independent visual library
>> based on vpython 3. The calling for the library could be something like
>> "from visual3 import ..." In that way it could be easy to have both
>> versions of visual installed, and if I require the older version I just
>> have to replace the string "visual" by "visual3" on my applications.
>>
>> I may even have a program that simultaneously open visual 3 and visual 5
>> scenes, for benchmarking purposes.
>>
>>
>> Any thoughts?
>>
>>
>> Best regards,
>> Roberto Aguirre Maturana
>> Santiago, Chile
>>
>>
>
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