django, multiple databases, configuration issue: "Error importing database router"

Question

I've followed these instructions to set up Django with multiple databases. It's working as intended in my local dev environment (win7), however, when I upload the project to my live server (webfaction), I get

ImproperlyConfigured: Error importing database router MyCustomRouter: "No module named path.to.my.router"

From the Django shell, I can import MyCustomRouter:

>>> from path.to.my.router import MyCustomRouter
>>>

I'm running django 1.2.1 and python2.6 both locally and on live server...

Any hints what could be causing this behavior or how to debug are be greatly appreciated!

Cheers,

Martin

Answer 1

Just add the following to your setting.py file

DATABASE_ROUTERS = ['myapp.routers.MyApp2Router',]

rename your router file routers.py

Answer 2

path.to.myrouter is just a placeholder.

Answer 3

Example:

My projects consists of multiple apps like 'payroll', 'taxation', 'helpdesk' etc.
I am using 2 db here - default and prod_db

This is how i set router path,
1. In payroll app i created "dbrouter.py" file
2. In dbrouter.py, i define DbRouter class (refer this for router code - https://docs.djangoproject.com/en/2.1/topics/db/multi-db/)
3. In settings.py, path is set
    DATABASE_ROUTERS = ['payroll.dbrouter.DbRouter',]

Answer 4

I had the same problem. I had defined a router in models.py. Moving the class definition into its own file (I named mine router.py), and updating settings.py accordingly, resolved the error.