Simon Willison’s Weblog

Entries tagged python, sqlite

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Exciting stuff in Python 2.5

Python 2.5 alpha 1 is out, and as usual the What’s New in Python 2.5 document provides a pleasant overview of the new features. There are some real treats in there. While I’m hoping that the syntax for conditional expressions will grow on me, I’m looking forward to Partial function application becoming a common Python idiom. Relative imports are going to make Django applications a lot easier to redistribute, and I can’t wait to see all the crazy hacks that result from the introduction of coroutines.

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PHP 5 Release Candidate 1

I haven’t blogged much about PHP in a while because I’ve been up to my nose in mod_python and loving every minute of it. This news is just too important to miss: PHP 5 Release Candidate 1 has been released, bringing the first production-ready release tantilisingly close. While I doubt PHP 5 will tempt me back it’s definitely an exciting upgrade—my biggest complaint with PHP 4 is the brain-dead object model which defaults to copying whole objects rather than passing references, and this is one of the many things addressed by PHP 5. The new libxml2 powered XML features sound really powerful, and SQLite as an on-board database should be ideal for knocking out small stand-alone applications without needing to set up a mySQL database for them.

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Installing PySQLite

Techno Weenie has a detailed guide to setting up PySQLite on boxes you don’t have root access to. SQLite looks ideal for small to medium sized applications so I can see this being really useful should I ever write something that uses it.

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SQLObject

My new favourite toy is SQLObject, an object-relational mapper which makes heavy use of Python’s special method names to create objects which can be used to transparently access and modify data in a relational database. I tried to write something like this in PHP once before and failed miserably, but SQLObject has such an elegant design that I’m just annoyed I didn’t find out about it sooner. Here’s some example code, adapted from the SQLOBject site:

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