def instance_object(fields=[], filters=(), validators=Instance._validations, **instance):
instance = filter_fields(instance, filters)
validators['instance_data'] = create_instance_validators(fields)
instance['schema_id'] = uuid.UUID(instance.get('schema_id', ''))
instance['table_id'] = uuid.UUID(instance.get('table_id', ''))
instance = Instance(**instance)
instance.validate(validators)
instance._validations = validators
if (hasattr(instance, 'validation_errors')
and instance.validation_errors) \
or instance.instance_data.get('validation_errors', {}):
instance.validation_errors = dict(instance.validation_errors.items() + instance.instance_data.get('validation_errors', {}).items())
raise BadRequestError('Validations failed: '+ str(instance.validation_errors))
if instance.instance_data.has_key('validation_errors'):
del instance.instance_data['validation_errors']
return instance
def local_type(verifield, type_name):
""" Checks if a field conforms to the local table definition, which is basically a join/sub-object
:param type_name: URI of the tenant.schema.table Ids that would be reference of the object to validate against
:type type_name: URI
:returns: bool
"""
from polyglot.pyapi.meta import retrieve_schema_table_fields
from polyglot.pyapi.instance import create_instance_validators
from polyglot.models.schema import Instance
(tenant_id, schema_id, table_id) = type_name.split("::")
fields = retrieve_schema_table_fields(tenant_id, schema_id, table_id)
validators = Instance._validations
validators['instance_data'] = create_instance_validators(fields)
instance = Instance(**instance)
instance.validate(validators)
instance._validations = validators
return not((hasattr(instance, 'validation_errors')
and instance.validation_errors) \
or instance.instance_data.get('validation_errors', {}))
