CompositeField implementation for Django
Project description
This is an implementation of a CompositeField for Django. Composite fields can be used to group fields together and reuse their definitions.
Example:
class CoordField(CompositeField):
x = models.FloatField()
y = models.FloatField()
class Place(models.Model):
name = models.CharField(max_length=10)
coord = CoordField()
p = Place(name='Foo', coord_x=42, coord_y=0)
q = Place(name='Foo', coord=p.coord)
q.coord.y = 42
The content of composite fields are stored inside the model, so they do not have to fiddle with any internals of the Django models. For example ‘p.coord’ returns a proxy object that maps the fields ‘x’ and ‘y’ to the model fields ‘coord_x’ and ‘coord_y’. The proxy objekt also makes it possible to assign more than one property at once.
There are some more examples in the included tests.py.
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