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55 lines
1.9 KiB
ReStructuredText
55 lines
1.9 KiB
ReStructuredText
===================
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Tornado OpenAPI 3
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===================
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.. image:: https://travis-ci.com/correl/tornado-openapi3.svg?branch=master
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:target: https://travis-ci.com/correl/tornado-openapi3
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Tornado OpenAPI 3 request and response validation library.
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Provides integration between the `Tornado`_ web framework and `Openapi-core`_
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library for validating request and response objects against an `OpenAPI 3`_
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specification.
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.. _Tornado: https://www.tornadoweb.org/
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.. _Openapi-core: https://github.com/p1c2u/openapi-core
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.. _OpenAPI 3: https://swagger.io/specification/
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Adding validation to request handlers
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=====================================
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.. code:: python
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from openapi_core import create_spec # type: ignore
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from openapi_core.exceptions import OpenAPIError # type: ignore
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from openapi_core.deserializing.exceptions import DeserializeError # type: ignore
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from openapi_core.schema.media_types.exceptions import ( # type: ignore
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InvalidContentType,
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)
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from openapi_core.unmarshalling.schemas.exceptions import ValidateError # type: ignore
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from tornado.web import RequestHandler
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from tornado_openapi3.requests import RequestValidator
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import yaml
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class OpenAPIRequestHandler(RequestHandler):
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async def prepare(self) -> None:
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maybe_coro = super().prepare()
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if maybe_coro and asyncio.iscoroutine(maybe_coro): # pragma: no cover
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await maybe_coro
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spec = create_spec(yaml.safe_load(self.render_string("openapi.yaml")))
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validator = RequestValidator(spec)
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result = validator.validate(self.request)
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try:
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result.raise_for_errors()
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except InvalidContentType:
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self.set_status(415)
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self.finish()
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except (DeserializeError, ValidateError) as e:
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self.set_status(400)
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self.finish()
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except OpenAPIError:
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raise
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