Category archives: Snaking

Was just playing around with implementing "Brian's Brain" in Numpy/Pygame it's a "life" style automata where there are just 3 rules:

• if cell is dying, cell dies
• if cell is alive, cell starts dying
• if cell is dead and > 2 neighbours are on, cell becomes alive

there was a post about doing this in ...

Spent almost the whole day today on the TurboGears 2.x documentation sprint.  I wound up just wading in and focusing on bringing a single document "up to spec" as it were.  I have an itch to sit down and try to restructure the whole hive of documents.

Along the way had to learn the basics ...

So you've browsed the ToscaWidgets web-site and know that there's a JQuery Plugin and a TinyMCE (Rich-text-editor control) plugin... now how the heck do you use them?  Not a lot of documentation for these two pieces, so I've tried to cobble together a minimal example.  Fair warning, I'm piecing this together basically without any documentation ...

Continuing on from our previous tutorial, here's a quick example showing how to create a Flot plotting library plot using tw.jquery's FlotWidget class.  In our root.py controller module, we'll import the widget and some support functions:

from tw.jquery import FlotWidget
from math import sin,cos
import simplejson

The FlotWidget is part of the core tw.jquery support, ...

Continuing my explorations of JQuery + TurboGears today, I started working on a simple RTE-light wrapper widget.  RTE-light is an extremely small, simple analogue to TinyMCE, so I figured it would be easy to set it up with the tw.tinymce project as reference.

There's a paster script to auto-start a widget project, so that went ...

I wanted to code up a single-form application for updating/editing the PyGTA events.  Since it runs on Vex and I didn't want to bother them with setting up per-user WSGIs or TurboGears for me (they do give me the space free, after all), I went with bald CGI.

Wow.

I've written very large CGI-only systems ...

We had a lively PyGTA this evening on the topic of concurrency.  After which I put out a call for those who are interested in helping setup and teach (low-cost) courses on Python.

Our first course looks to be an Introduction to Django, likely on a Saturday in early November, taught by a consultant who ...

This post from the numpy list shows you how to turn a ctypes c_void_p into a numpy array.  The glMapBuffer() function maps your currently-bound array into a void * which you can access directly... combining the two:

def map_buffer( vbo, access=GL_READ_WRITE ):
    """Map the given buffer into a numpy array..."""
    func = ctypes.pythonapi.PyBuffer_FromMemory
    func.restype = ...

It seems like all of the projects I host on SourceForge are no longer easy-installable.  The only ones that can install are the ones that have been uploaded to PyPI, and then only the versions on PyPI install (i.e. a later version on SF doesn't install or prevent an earlier version from installing).  I'm guessing ...

We're going with a round-table discussion at PyGTA this evening.  How do *you* deal with exceptional conditions in your code?  7:10pm at Linux Caffe.