files for pyglet that handle vsync:
/c/virtuals/pyglet/pyglet-1.1.3/pyglet/window/carbon/__init__.py
/c/virtuals/pyglet/pyglet-1.1.3/pyglet/gl/agl.py
/c/virtuals/pyglet/pyglet-1.1.3/pyglet/window/__init__.py
/c/virtuals/pyglet/pyglet-1.1.3/pyglet/app/carbon.py
opengl vertical retrace - Google Search
Synchronizing Xvideo to the vertical retrace
opengl vertical refresh - Google Search
Technical Q&A QA1521: Synchronizing OpenGL rendering updates to the vertical refresh of the display
OpenGL @ Lighthouse 3D - GLUT Tutorial
opengl vblank - Google Search
OpenGL sync to vblank and interlaced fields - nV News Forums
Temporal Rate Conversion by Dave Marsh - Google Search
Temporal Rate Conversion: Dave Marsh. Microsoft Technical Evangelist, TV and Video
pyglet swap interval - Google Search
pyglet set_vsync - Google Search
opengl agl - Google Search
AGL Reference
AGL Reference
By default pyglet window buffer swaps are synchronised to the display refresh
rate, so you may also want to disable set_vsync.