Farm Development

The Python Make tool

A while back there was a lot of talk about needing a Make tool for Python, one like Ruby Rake. There are a few packages now:

... and more recently:

Personally, I liked Ian Bicking's suggestion to just use distutils but apparently his examples came off convoluted. I think this is because distutils is somewhat convoluted (to be fair, it was created a long time ago in software years).

At the time of that article I took Ian's advice and tried to do Make-like work in distutils commands. It was a pain. Mostly, I kept forgetting how everything needed to be set up. Since distutils silently ignores errors it doesn't tell you what's wrong, your command just doesn't work. But I still think the core concept is a good one. You probably already have a file anyway, so why not add some commands to it?


So ... I made a helper to reduce the pain of creating commands: disthelper

It's the simplest possible approach: it just automates the creation of standard commands. You need setuptools and Paste to run disthelper but you don't need anything beyond the stdlib distutils module to run your custom command. I think more pain can be abstracted out of creating distutils commands. First off, I've been experimenting with an optparse-based wrapper around distutils.core.Command. This isn't ready for release but so far I am convinced it is possible to make a nicer Command class that's fully backwards compatible with distutils.core.Command. This could be taken even further and grow a decorator interface or something simpler that didn't require a class (for simple commands). If anyone wants to help dream up an interface, I've laid down the ground work to make this distutils-compatible and am willing to help implement it (my time permitting, of course). As an aside, I think such a wrapper would make a nice addition to the stdlib as long as backwards-compatibility is maintained.

Somewhat related is the buildutils project. Buildutils defines many custom tasks you typically want to perform on your project. At some point I may also make disthelper a repository for typical commands but right now I'd like to focus on making it a facilitator of creating commands.

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