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Basic portable Directed Acyclic Graph application for Django
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elpaso Merge pull request #20 from frederik-elwert/patch-2
Remove null=True from ManyToManyField.
Latest commit f186eb7 May 11, 2016


Django DAG

Django-dag is a small reusable app which implements a Directed Acyclic Graph.


Django-dag uses abstract base classes, to use it you must create your own
concrete classes that inherit from Django-dag classes.

The `dag_test` app contains a simple example and a unit test to show
you its usage.


    class ConcreteNode(node_factory('ConcreteEdge')):
        Test node, adds just one field
        name = models.CharField(max_length = 32)

    class ConcreteEdge(edge_factory(ConcreteNode, concrete = False)):
        Test edge, adds just one field
        name = models.CharField(max_length = 32, blank = True, null = True)
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