I wonder if it's possible to define attributes in a schema that reference
other interfaces. For instance, I have a schema for a car and another one for
a wheel and what I want to do is something like that:
type = TextLine()
model = TextLine()
wheel = ??? of type IWheel ???
or even better:
wheel = List(min_length=4, max_length=4,
value_type = ??? of type IWheel???)
What would be really great now is if formlib could handle this and would
automatically set up the needed widgets.
Is this possible in some way?
I found the field types "Object" and "InterfaceField", maybe they are of this
kind and do what I need?
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