openapi-core/openapi_core/validation/validators.py
2020-02-25 10:23:14 +00:00

66 lines
2.4 KiB
Python

"""OpenAPI core validation validators module"""
from openapi_core.validation.util import get_operation_pattern
class BaseValidator(object):
def __init__(
self, spec,
custom_formatters=None, custom_media_type_deserializers=None,
):
self.spec = spec
self.custom_formatters = custom_formatters
self.custom_media_type_deserializers = custom_media_type_deserializers
def _find_path(self, request):
operation_pattern = self._get_operation_pattern(request)
path = self.spec[operation_pattern]
path_variables = {}
operation = self.spec.get_operation(operation_pattern, request.method)
servers = path.servers or operation.servers or self.spec.servers
server = servers[0]
server_variables = {}
return path, operation, server, path_variables, server_variables
def _get_operation_pattern(self, request):
server = self.spec.get_server(request.full_url_pattern)
return get_operation_pattern(
server.default_url, request.full_url_pattern
)
def _deserialise_media_type(self, media_type, value):
from openapi_core.deserializing.media_types.factories import (
MediaTypeDeserializersFactory,
)
deserializers_factory = MediaTypeDeserializersFactory(
self.custom_media_type_deserializers)
deserializer = deserializers_factory.create(media_type)
return deserializer(value)
def _cast(self, param_or_media_type, value):
# return param_or_media_type.cast(value)
if not param_or_media_type.schema:
return value
from openapi_core.casting.schemas.factories import SchemaCastersFactory
casters_factory = SchemaCastersFactory()
caster = casters_factory.create(param_or_media_type.schema)
return caster(value)
def _unmarshal(self, param_or_media_type, value, context):
if not param_or_media_type.schema:
return value
from openapi_core.unmarshalling.schemas.factories import (
SchemaUnmarshallersFactory,
)
unmarshallers_factory = SchemaUnmarshallersFactory(
self.spec._resolver, self.custom_formatters,
context=context,
)
unmarshaller = unmarshallers_factory.create(
param_or_media_type.schema)
return unmarshaller(value)