Re: [PyOpenGL-Users] _base_glutInit( ctypes.byref(count), holder ) TypeError: 'NoneType' object is
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From: Alejandro S. <as...@gm...> - 2010-01-30 23:11:15
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On Jan 30, 2010, at 3:59 AM, John Lutz <joh...@gm...> wrote: > Python 2.5.4 (r254:67916, Dec 23 2008, 15:10:54) [MSC v.1310 32 bit > (Intel)] on win32 > Type "help", "copyright", "credits" or "license" for more information. > >>> import ctypes > >>> ctypes.byref > <built-in function byref> > >>> > > 3.0.1b2 Hmmm, ok. I'll have to think about this for a little more :-) I'll try creating a glut app and invoking the lesson 5 code as soon as I get an Internet connecton on my laptop. Cheers, Alejandro.- > > On Fri, Jan 29, 2010 at 11:33 PM, Alejandro Segovia > <as...@gm...> wrote: > Hi John, > > On Saturday, January 30, 2010, John Lutz <joh...@gm...> wrote: > > Hey Alejando, Thanks for the reply! I tried both 'python > lesson5.py' that didn't work (btw I'm using 2.5).I cannot find > ctypearrays by googling.John > > could you check whether your python's ctypes package defines function > "byref"? You can do this by importing ctypes and typing ctypes.byref > from the interactive interpreter. Check to see if that is not None. > > Also, what version of PyOpenGL are you using? > > Alejandro.- > > > > > > > On Fri, Jan 29, 2010 at 9:27 PM, Alejandro Segovia <as...@gm... > > wrote: > > > > Hi John, > > > > Sorry for the last email. On a second thought I think the problem > could be due to the fact that when your launching lesson5 the way > you are, sys.argv is None. > > > > This might be causing glut to choke. Would you mind testing it by > invoking the interpreter using the command line like: C:\python26\bin > \python lesson5.py (windows)? > > > > Let us know how it goes. > > > > Cheers, > > Alejandro.- > > > > Sent from my iPhone > > > > On Jan 29, 2010, at 8:22 PM, John Lutz <joh...@gm...> wrote: > > > > > > Hey Guys!, > > > > Does anyone know what the fix for the following error is: > > > > C:\dev\PyOpenGL-Demo-3.0.1b1\PyOpenGL-Demo\NeHe>python > > Python 2.5.4 (r254:67916, Dec 23 2008, 15:10:54) [MSC v.1310 32 > bit (Intel)] on win32 > > Type "help", "copyright", "credits" or "license" for more > information. > >>>> import lesson5.py > > Hit ESC key to quit. > > Traceback (most recent call last): > > File "<stdin>", line 1, in <module> > > File "lesson5.py", line 240, in <module> > > main() > > File "lesson5.py", line 195, in main > > glutInit(sys.argv) > > File "C:\Python25\Lib\site-packages\OpenGL\GLUT\special.py", > line 323, in glutInit > > _base_glutInit( ctypes.byref(count), holder ) > > TypeError: 'NoneType' object is not callable > >>>> > > > > I am running 2.5 on XP with NVidia drivers. I have GLUT, GLU, > OpenGL installed on the system. > > I can get NeHe samples working from within VC++ 2010, just not > Python. > > > > Thanks!, > > John > > > > > > > --- > --- > --- > --------------------------------------------------------------------- > > The Planet: dedicated and managed hosting, cloud storage, colocation > > Stay online with enterprise data centers and the best network in > the business > > Choose flexible plans and management services without long-term > contracts > > Personal 24x7 support from experience hosting pros just a phone > call away. > > http://p.sf.net/sfu/theplanet-com > > _______________________________________________ > > PyOpenGL Homepage > > http://pyopengl.sourceforge.net > > _______________________________________________ > > PyOpenGL-Users mailing list > > PyO...@li... > > https://lists.sourceforge.net/lists/listinfo/pyopengl-users > > > > > > > > -- > > John Lutz > > (631)-909-2582 > > > > > > > > > > -- > John Lutz > (631)-909-2582 > |