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Essays and field notes on software, open source, communities, and the systems around them.

Advanced FormEncode usage

I've been working on advanced HTML form that uses some Mootools (JavaScript framework) love. In most of my projects I use FormEncode in combination with FormAlchemy. Although both libraries have very different philosophies and areas, they work great together with some patches. I want to share schema because I spent quite some time putting it together - might save you some trobule. This was the first time I used variabledecode module, and found best reference in this blog post.

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Persuading Paste HTTP server to use correct REMOTE_ADDR

Configuring reverse proxy headers was on bottom of my TODO list because I never felt it was important for my applications. Today I tried to fuddle with nginx to pass those headers but it gave me a headache. For sake of reference and because I'm sure many others tripped on this one, here is what I figured out from mailing lists and source code (please inform me of a better, straight forward way if there is one):

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About Domen Kožar

I'm a 21 years old student at Faculty of Electrical Engineering, Ljubljana, Slovenia. I'm an Open Source enthusiast and contributor. My primary OS is Linux (Gentoo). I love beer. If you have any questions, send me an email.

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Joining strings in Python

There is already a lot of good material to read about performance. Therefore, it is best to use the following method: >>> print ' '.join(['The', 'fox', 'jumped', 'over', 'the', 'dog.']) The fox jumped over the dog. Perfect. We have very fast string contatenation that even allows us to choose separator. Now, here is the problem: >>> print ', '.join(['apples', 'oranges', '', 'cocos']) apples, oranges, , cocos So, if we dynamically generate string and we have a separator for a reason, we do not want this to happen. This is basically the idea:

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Mocking logging module for unittests

Today I was writing tests for upcoming application I'm writing (more information will come later) and I needed some way to redirect logging to some kind of storage that could be easily asserted to values in tests. First I tried with monkey patching it, but that wasn't the solution since all logging setup is done before pylons tests come to play, so somebody in IRC pointed me toward writing a handler. I thought to do so in the first place, but were too stubborn;)

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