Strengths and weaknesses of Pygame vs. pyglet vs. PyOpenGL?

[excord80 at gmail.com]

On Dec 7, 8:17 pm, "Patrick Mullen" <saluk64... at gmail.com> wrote:
> On Sun, Dec 7, 2008 at 4:43 PM,  <excor... at gmail.com> wrote:
>
> [snip]
> PyOpengl - an opengl wrapper.  Version 2 is written in c, version 3
> instead uses ctypes
> Pyglet - an opengl + events/sound/etc wrapper written in ctypes

Does pyglet use PyOpenGL as its OpenGL wrapper? If not, any idea why?
Seems like it would be a fairly substantial duplication of effort.