Import error and PythonPath

Question

I'm trying to understand what the issue is:

I'm trying to import a module:

from main.models import Main
from django.contrib import admin

admin.site.register(Main)

However, when I attempt to hit the admin site, I get a django error page:

ImportError at /admin/
cannot import name Main

I noticed that it provides a dump of the **Python Path:**

Python Path:    ['/Users/brian/src/SampleApp/src/SampleApp', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python26.zip', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/lib-old', '/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/lib-dynload', '/Library/Python/2.6/site-packages', '/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/PyObjC', '/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/wx-2.8-mac-unicode']

However, what I don't understand is where is this Python Path set?

doing an export PYTHONPATH returns nothing as it is not set in the environmental variables.

I need to import a module which is located in /Users/brian/src/SampleApp/src/SampleApp/main/models.py

Thanks

Jeremy Worboys · Accepted Answer · 2010-11-07 00:14:07Z

4

PYTHONPATH can be accessed via:

import sys
print sys.path

A bit of debugging to try would be to use:

from main import models
from django.contrib import admin

admin.site.register(models.Main)

and see if that gives you any more information.

answered Nov 7, 2010 at 0:14

Jeremy Worboys

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Comments

Robie Basak · Accepted Answer · 2010-11-07 00:05:18Z

1

Do you have an __init__.py in /Users/brian/src/SampleApp/src/SampleApp/main/? This is required for the main directory to be considered for the search. An empty __init__.py will do.

You might also verify that Main is defined in there. Does a plain import main.models work?

answered Nov 7, 2010 at 0:05

Robie Basak

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2 Comments

Brian Liang Over a year ago

Yes I have an empty init.py there... stupid me, Main is not there . that was it. Thanks.

Brian Liang Over a year ago

any idea where the PYTHONPATH is set ?

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