tornado-openapi3/tornado_openapi3/handler.py
Correl 3b3085652d Ignore types on tornado includes
Older versions of Tornado supported by this library lack type annotations.
2021-02-26 12:04:47 -05:00

56 lines
2 KiB
Python

import asyncio
import logging
from openapi_core import create_spec # type: ignore
from openapi_core.exceptions import OpenAPIError # type: ignore
from openapi_core.deserializing.exceptions import DeserializeError # type: ignore
from openapi_core.schema.media_types.exceptions import ( # type: ignore
InvalidContentType,
)
from openapi_core.templating.paths.exceptions import ( # type: ignore
OperationNotFound,
PathNotFound,
)
from openapi_core.unmarshalling.schemas.exceptions import ValidateError # type: ignore
from openapi_core.validation.exceptions import InvalidSecurity # type: ignore
import tornado.web # type: ignore
from tornado_openapi3.requests import RequestValidator
logger = logging.getLogger(__name__)
class OpenAPIRequestHandler(tornado.web.RequestHandler):
spec: dict = {}
custom_media_type_deserializers: dict = {}
async def prepare(self) -> None:
maybe_coro = super().prepare()
if maybe_coro and asyncio.iscoroutine(maybe_coro): # pragma: no cover
await maybe_coro
validator = RequestValidator(
create_spec(self.spec),
custom_media_type_deserializers=self.custom_media_type_deserializers,
)
result = validator.validate(self.request)
try:
result.raise_for_errors()
except PathNotFound as e:
self.on_openapi_error(404, e)
except OperationNotFound as e:
self.on_openapi_error(405, e)
except (DeserializeError, ValidateError) as e:
self.on_openapi_error(400, e)
except InvalidSecurity as e:
self.on_openapi_error(401, e)
except InvalidContentType as e:
self.on_openapi_error(415, e)
except OpenAPIError as e:
logger.exception("Unexpected validation failure")
self.on_openapi_error(500, e)
self.validated = result
def on_openapi_error(self, status_code: int, error: OpenAPIError) -> None:
self.set_status(status_code)
self.finish()