openapi-core/openapi_core/validation/validators.py
2021-05-02 22:07:45 +01:00

66 lines
2.5 KiB
Python

"""OpenAPI core validation validators module"""
from __future__ import division
from openapi_core.unmarshalling.schemas.util import build_format_checker
class BaseValidator(object):
def __init__(
self, spec,
base_url=None,
custom_formatters=None, custom_media_type_deserializers=None,
):
self.spec = spec
self.base_url = base_url
self.custom_formatters = custom_formatters or {}
self.custom_media_type_deserializers = custom_media_type_deserializers
self.format_checker = build_format_checker(**self.custom_formatters)
def _find_path(self, request):
from openapi_core.templating.paths.finders import PathFinder
finder = PathFinder(self.spec, base_url=self.base_url)
return finder.find(request)
def _get_media_type(self, content, request_or_response):
from openapi_core.templating.media_types.finders import MediaTypeFinder
finder = MediaTypeFinder(content)
return finder.find(request_or_response)
def _deserialise_data(self, mimetype, value):
from openapi_core.deserializing.media_types.factories import (
MediaTypeDeserializersFactory,
)
deserializers_factory = MediaTypeDeserializersFactory(
self.custom_media_type_deserializers)
deserializer = deserializers_factory.create(mimetype)
return deserializer(value)
def _cast(self, param_or_media_type, value):
# return param_or_media_type.cast(value)
if 'schema' not in param_or_media_type:
return value
from openapi_core.casting.schemas.factories import SchemaCastersFactory
casters_factory = SchemaCastersFactory()
schema = param_or_media_type / 'schema'
caster = casters_factory.create(schema)
return caster(value)
def _unmarshal(self, param_or_media_type, value, context):
if 'schema' not in param_or_media_type:
return value
from openapi_core.unmarshalling.schemas.factories import (
SchemaUnmarshallersFactory,
)
spec_resolver = self.spec.accessor.dereferencer.resolver_manager.\
resolver
unmarshallers_factory = SchemaUnmarshallersFactory(
spec_resolver, self.format_checker,
self.custom_formatters, context=context,
)
schema = param_or_media_type / 'schema'
unmarshaller = unmarshallers_factory.create(schema)
return unmarshaller(value)