import specular
from apimas.predicates import apimas_schemata


schemata = [('.schema1', {
    '.schema1': {},
    'mylist': {
        '*': {'.string': {}}
    }
})]

domain = specular.Spec()
domain.compile_schemata(apimas_schemata)
domain.compile_schemata(schemata)


spec = domain.compile_spec({'.schema1': {}})

config = {
    '.schema1': {},
    'mylist': ['a', 'b', 'c']
}
spec.config(config)

@specular.make_constructor
def ctor(context):
    return {}

print spec.construct(constructions={'domain': {'.schema1': ctor}})