web.py Subapplications

To better organize your source code in a web.py application, you can break it down in subapplications. Those subapplications will be imported as Python modules in your main web.py script (which, in the below examples is index.py).

Troubleshooting

AttributeError: 'module' object has no attiribute ...

If you get the error:

AttributeError: 'module' object has no attribute 'app'

...then you might be running into Python naming collissions. Check if you have given one of your subapplications the same name as an existing Python module. For example, you shouldn't name a subapplication user, since that is an existing Python module.

ImportError: No module named ...

If you get the error:

ImportError: No module named subapp

... (where subapp is the name of your subapplication), then Python cannot import the subapplication as a module. As a first step, create an empty file named __init__.py in the same directory as your subapplication, and try again. If you still get that error, and assuming your subapplications are in the same directory as your main application, you can try this ugly hack in the very beginning of your main application script:

import inspect
import os
import sys
sys.path.append(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))