openapi-core

About

Openapi-core is a Python library that provides client-side and server-side support for the OpenAPI v3.0 and OpenAPI v3.1 specifications.

Key features

Validation and unmarshalling of request and response data (including webhooks)
Integration with popular libraries (Requests, Werkzeug) and frameworks (Django, Falcon, Flask, Starlette)
Customization with media type deserializers and format unmarshallers
Security data providers (API keys, Cookie, Basic, and Bearer HTTP authentications)

Documentation

Check documentation to see more details about the features. All documentation is in the "docs" directory and online at openapi-core.readthedocs.io

Installation

Recommended way (via pip):

pip install openapi-core

Alternatively you can download the code and install from the repository:

pip install -e git+https://github.com/python-openapi/openapi-core.git#egg=openapi_core

First steps

First, create your OpenAPI object.

from openapi_core import OpenAPI

openapi = OpenAPI.from_file_path('openapi.json')

Now you can use it to validate and unmarshal against requests and/or responses.

# raises an error if the request is invalid
result = openapi.unmarshal_request(request)

Retrieve validated and unmarshalled request data.

# get parameters
path_params = result.parameters.path
query_params = result.parameters.query
cookies_params = result.parameters.cookies
headers_params = result.parameters.headers
# get body
body = result.body
# get security data
security = result.security

The request object should implement the OpenAPI Request protocol. Check Integrations to find officially supported implementations.

For more details read about the Unmarshalling process.

If you just want to validate your request/response data without unmarshalling, read about Validation instead.

Related projects

openapi-spec-validator : A Python library that validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger), OpenAPI 3.0, and OpenAPI 3.1 specification. The validator aims to check for full compliance with the Specification.
openapi-schema-validator : A Python library that validates schema against the OpenAPI Schema Specification v3.0 and OpenAPI Schema Specification v3.1.
bottle-openapi-3 : OpenAPI 3.0 Support for the Bottle Web Framework
pyramid_openapi3 : Pyramid addon for OpenAPI3 validation of requests and responses.
tornado-openapi3 : Tornado OpenAPI 3 request and response validation library.

License

The project is under the terms of the BSD 3-Clause License.

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