def __init__(self, name, **kwargs):
self.name = name
metadata = load_primitive(name)
self.primitive = import_object(metadata['primitive'])
self._fit = metadata.get('fit', dict())
self.fit_args = self._fit.get('args', [])
self.fit_method = self._fit.get('method')
self._produce = metadata['produce']
self.produce_args = self._produce['args']
self.produce_output = self._produce['output']
self.produce_method = self._produce.get('method')
self._class = bool(self.produce_method)
hyperparameters = metadata.get('hyperparameters', dict())
init_params, fit_params, produce_params = self._extract_params(kwargs, hyperparameters)
self._hyperparameters = init_params
self._fit_params = fit_params
self._produce_params = produce_params
self._tunable = self._get_tunable(hyperparameters, init_params)
default = {
name: param['default']
for name, param in self._tunable.items()
# TODO: support undefined defaults
}
self.set_hyperparameters(default)
def test_load_primitive_success():
primitive = {'name': 'temp.primitive', 'primitive': 'temp.primitive'}
with tempfile.TemporaryDirectory() as tempdir:
primitives.add_primitives_path(tempdir)
primitive_path = os.path.join(tempdir, 'temp.primitive.json')
with open(primitive_path, 'w') as primitive_file:
json.dump(primitive, primitive_file, indent=4)
loaded = primitives.load_primitive('temp.primitive')
assert primitive == loaded
def test_load_primitive_value_error():
with pytest.raises(ValueError):
primitives.load_primitive('invalid.primitive')