Circular import problem

Hello,

I recently cut my models.py into separate files and now I try to fix all the problems with imports that showed up. I hit the wall on this one though.

Purpose of the application is to process a text file with instructions and fit them into hierarchical structure like this:

Program <- Node <- Commands

Program has many Nodes, Nodes has many commands.

One of the possible Commands is jumping into subprogram. I want to get url of that subprogram, so I can show it in a template.

During analysis Program calls Node to create nodes. Node then calls Command to create Commands.

Then later Command takes the id of the subprogram and call Program.objects.get().get_absolute_url()

How can I break this import chain?

Best regards,

Daniel

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