Re: Error with Passing a class name as a parameter in a ManyToManyField

You error is in the following line:

    prereq = models.ManyToManyField(Course, blank=True, null=True, through='PreReqToCourse')

To phrase this as a sentence, you're saying that "Many courses can belong to many courses." which doesn't follow. I'm guessing that you're aiming to achieve something more like this:

    prereq = models.ManyToManyField(PreReq, blank=True, null=True, through='PreReqToCourse')

So long as the PreReq model is defined above the Course model, you're golden.

JDB

On Sun, Jul 14, 2013 at 9:02 AM, Charounson Saintilus <charounsons@gmail.com> wrote:

This is my first time using the Django Web Framework and I'm new to the python language, so please bear with me.

I've created a model (i.e. a class) called Course which defines several variables:

class Course(models.Model):

        name = models.CharField(max_length=32)

                                   .

                                   .  

                                   .

                                   .

        prereq = models.ManyToManyField(Course, blank=True, null=True, through='PreReqToCourse')

When I try to serve the files from the local server with, python manage.py runserver, I get the following error:

...

...

prereq = models.ManyToManyField(Course, blank=True, null=True, through='PreReqToCourse')

NameError: name 'Course' is not defined

Any ideas? 

Thanks in advance! 

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Jonathan D. Baker
Developer
http://jonathandbaker.com

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