Category archives: Snaking

PyOpenGL 3.0.2 (final, finally) has been released. The major changes since 3.0.1 (released in 2010!) are:

• OpenGL core support up to 4.3 level [1]


• OpenGL extension support from the current registry [1]


• Some missing FreeGLUT extensions added


• OpenGL.GL.framebufferobjects providing ARB/EXT alternates for framebuffer operations


• Experimental OSMesa (Offscreen Mesa) context (use the environment variable PYOPENGL_PLATFORM=osmesa)

Codebase ...

If you're wanting to speak at Pycon.ca you need to get your proposals in this weekend.  Don't delay.

[Update] Yeah, Mike, do that.  I now have way too many talks I'd like to do:

• Modern OpenGL Eat Your Vertices Raw (submitted)
• Profiling for Performance (submitted, but very brief outline)
• Using GStreamer 1.0 (an HTML5 Video ...

If you have PyOpenGL dependent code, now would be the time to check that it runs against the latest beta.  Assuming no show-stopping bugs are reported this will be the last beta before 3.0.2 final is released.  Available in PyPI now.

So you have an "embeddded" Django instance where you want to strip the thing down to the minimum required files.  You run compileall on your site-packages, then strip/delete all of the .py files... and your Django becomes pretty useless, because it no longer recognizes any of your management plugins (not even the built-in ones).

This ...

While waiting for a server to get back online today I've been playing with a QIII map (BSP file) loader. Not much to it at the moment, it "parses" the whole file, but the rendering isn't particularly useful.

The loader uses numpy mmap'd files and typed views onto those to do the interpretation of the ...

So you want to create a stupid-and-dirty HTML5 video tag to allow you to monitor a (local-only) multicast stream from your (Django + Nginx) web site?  Not something to be seen by "real people", but a way for you to see if anything is broadcasting?

This is a pretty simplistic thing, again; do *not* do ...

So we want to capture the (alsa) output of processes and pipe it into an mpeg-ts stream.  Except gstreamer's alsasrc can't do "monitor", so we wind up having to do a pulsesrc... which brings the server to its knees in a few minutes with memory exhaustion for no reason I can fathom.

Annoying part is ...

Each time I sit down to help someone relatively new to coding I find myself somewhat awe-struck at how much I've "forgotten".  Just install nginx with gunicorn and django in a virtualenv.  Package up your code with a setup.py using distribute.  Run your unittests with Nose.  Use sphinx and embedded doctests.

You tell someone that ...

In one of those cases where you ask a question, don't get an answer, then spend far longer than you intended playing with the problem, I've just added a Pipe mechanism to Fussy (why to fussy, you ask? Well because that's where I wanted to use it).  Basically it provides a small wrapper around subprocess ...

Just stumbled across the OpenGL Samples Pack, which is a bunch of OpenGL sample code for advanced features... exactly the kind of thing I need to test if I've got PyOpenGL working... of course, they're written in C, but it's way easier to translate from C to Python than to come up with dozens ...