Source code for keystone.common.validation
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Request body validating middleware for OpenStack Identity resources."""
from keystone.common.validation import validators
[docs]def lazy_validate(request_body_schema, resource_to_validate):
"""A non-decorator way to validate a request, to be used inline.
:param request_body_schema: a schema to validate the resource reference
:param resource_to_validate: dictionary to validate
:raises keystone.exception.ValidationError: if `resource_to_validate` is
None. (see wrapper method below).
:raises TypeError: at decoration time when the expected resource to
validate isn't found in the decorated method's
schema_validator = validators.SchemaValidator(request_body_schema)
"""Clone a property schema into one that is nullable.
:param dict property_schema: schema to clone into a nullable schema
:returns: a new dict schema
# TODO(dstanek): deal with the case where type is already a list; we don't
# do that yet so I'm not wasting time on it
new_schema = property_schema.copy()
new_schema['type'] = [property_schema['type'], 'null']
# NOTE(kmalloc): If enum is specified (such as our boolean case) ensure we
# add null to the enum as well so that null can be passed/validated as
# expected. Without adding to the enum, null will not validate as enum is
# explicitly listing valid values. According to the JSON Schema
# specification, the values must be unique in the enum array.
if 'enum' in new_schema and None not in new_schema['enum']:
# In the enum the 'null' is NoneType