Parsing "flat" JSON

[kapi2289]

I have an example JSON

{
	"id": 1,
	"test1": 2,
	"test2": 3,
	"child1_id": 6,
	"child1_name": "Test",
	"child2_id": 8,
	"child2_name": "Test2",
}

and I want to have models

@related.immutable
class Child1:
    id = related.IntegerField(key="child1_id")
    name = related.StringField(key="child1_name")


@related.immutable
class Child2:
    id = related.IntegerField(key="child2_id")
    name = related.StringField(key="child2_name")


@related.immutable
class Parent:
    id = related.IntegerField()
    test1 = related.IntegerField()
    test2 = related.IntegerField()
    child1 = related.ChildField(Child1)
    child2 = related.ChildField(Child2)

How can I do this?