Python

When Python asserts don't

Bewildered why error conditions are breezing right past the 'assert' statements you sprinkled through your Python script? Maybe you made the same basic mistake I did ...

Can't use print

Who would of thunk it? 'print' is a reserved word everywhere.

Installing and using PIL

Overcoming the sometimes tricky installation of the Python Imaging Library and improving image quality.

Installing MySQLdb

When unresolved linker symbols attack.

Matplotlib

Notes on installing and using.

Slots

A new, and poorly explained, feature of Python classes.

SQLAlchemy merge and relations

In which an oddity in SQLAlchemy is spotted, and it turns out to be a bug not a misunderstanding.

Surprises

In which Python does several unexpected but logical things.

The etree tail quirk

How to make a good XML solution for Python better.

Unicode and HTML entities

In which we struggle with a cacophony of characters for the web.

Using percent in a string

A (perhaps) obscure fact - how to use the percent sign in a Python string.

When tests don't

A quirk in the nose testing tool that hides test cases.

Project Euler

 

Adventures in Plone (and Zope)

Where "adventures" is qualified by "harrowing" and "preposterous".

rst2beamer

A restructured text based tool for preparing presentations.

rst2beamer.py

 

Applescript via Python

Controlling Mac applications with appscript

Advanced Python NB

 

Converting Ordnance Survey coordinates

In which OS positions are transformed into something saner and less UK-centric.

osgb.py

 

Encoding types in etree

Setting encoding in the header of ElementTree generated XML.