to_python ignored with custom IntegerField

Hi I've tried to create a custom Field for the database to store Timedelta objects. Since I only need exactness to the minute and won't have any large timedeltas I'm using a simple Integer to store it in the database. Maybe I'll make this configurable later. this is the code: f

how to get a list of all installed applications

I'm working on a little Navigation/Sitemap-ish application that will provide a way to define the sitemap similar to urls.py, but with way more options. based on that data the application will automatically create the necessary urlpatterns und provide a facility to make nice navigations inc