Instructions: Set your environment variables, install graphviz, and run. Finds all models in your installed apps and makes a handsome graph of your their dependencies based on foreignkey relationships. Django models have green outlines, yours have purple. The edge styling could be changed based on edge type.
Makes new template tags "ifin" and "ifnotin".
Most people simply wrap "from localsettings import *" in a try/except ImportError block. That's what I've done for years, but recently came up with this better way. The problem this snippet solves is that if your localsettings.py itself causes an ImportError somehow, that error will be silently swallowed and your intended localsettings will be ignored. Instead, we use `imp` to first check if the module exists, then unconditionally try to import it.
A zen study.
Middleware that ensures clients always have CSRF tokens and session ids. Useful for some fat-client apps.
Middleware for implementing "hours of operation" for a website. In use (as configured here) on http://ianab.com/.