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230 lines
5.7 KiB
ReStructuredText
230 lines
5.7 KiB
ReStructuredText
************
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openapi-core
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************
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.. image:: https://img.shields.io/pypi/v/openapi-core.svg
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:target: https://pypi.python.org/pypi/openapi-core
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.. image:: https://travis-ci.org/p1c2u/openapi-core.svg?branch=master
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:target: https://travis-ci.org/p1c2u/openapi-core
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.. image:: https://img.shields.io/codecov/c/github/p1c2u/openapi-core/master.svg?style=flat
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:target: https://codecov.io/github/p1c2u/openapi-core?branch=master
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.. image:: https://img.shields.io/pypi/pyversions/openapi-core.svg
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:target: https://pypi.python.org/pypi/openapi-core
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.. image:: https://img.shields.io/pypi/format/openapi-core.svg
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:target: https://pypi.python.org/pypi/openapi-core
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.. image:: https://img.shields.io/pypi/status/openapi-core.svg
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:target: https://pypi.python.org/pypi/openapi-core
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About
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#####
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Openapi-core is a Python library that adds client-side and server-side support
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for the `OpenAPI Specification v3.0.0 <https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.0.md>`__.
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Installation
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############
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Recommended way (via pip):
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::
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$ pip install openapi-core
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Alternatively you can download the code and install from the repository:
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.. code-block:: bash
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$ pip install -e git+https://github.com/p1c2u/openapi-core.git#egg=openapi_core
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Usage
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#####
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Firstly create your specification:
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.. code-block:: python
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from openapi_core import create_spec
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spec = create_spec(spec_dict)
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Request
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*******
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Now you can use it to validate requests
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.. code-block:: python
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from openapi_core.shortcuts import RequestValidator
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validator = RequestValidator(spec)
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result = validator.validate(request)
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# raise errors if request invalid
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result.raise_for_errors()
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# get list of errors
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errors = result.errors
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and unmarshal request data from validation result
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.. code-block:: python
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# get parameters object with path, query, cookies and headers parameters
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validated_params = result.parameters
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# or specific parameters
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validated_path_params = result.parameters.path
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# get body
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validated_body = result.body
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Request object should be instance of OpenAPIRequest class (See `Integrations`_).
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Response
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********
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You can also validate responses
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.. code-block:: python
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from openapi_core.shortcuts import ResponseValidator
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validator = ResponseValidator(spec)
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result = validator.validate(request, response)
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# raise errors if response invalid
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result.raise_for_errors()
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# get list of errors
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errors = result.errors
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and unmarshal response data from validation result
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.. code-block:: python
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# get headers
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validated_headers = result.headers
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# get data
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validated_data = result.data
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Response object should be instance of OpenAPIResponse class (See `Integrations`_).
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Integrations
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############
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Django
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******
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For Django 2.2 you can use DjangoOpenAPIRequest a Django request factory:
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.. code-block:: python
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from openapi_core.shortcuts import RequestValidator
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from openapi_core.contrib.django import DjangoOpenAPIRequest
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openapi_request = DjangoOpenAPIRequest(django_request)
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validator = RequestValidator(spec)
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result = validator.validate(openapi_request)
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You can use DjangoOpenAPIResponse as a Django response factory:
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.. code-block:: python
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from openapi_core.shortcuts import ResponseValidator
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from openapi_core.contrib.django import DjangoOpenAPIResponse
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openapi_response = DjangoOpenAPIResponse(django_response)
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validator = ResponseValidator(spec)
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result = validator.validate(openapi_request, openapi_response)
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Flask
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*****
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Decorator
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=========
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Flask views can be integrated by `FlaskOpenAPIViewDecorator` decorator.
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.. code-block:: python
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from openapi_core.contrib.flask.decorators import FlaskOpenAPIViewDecorator
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openapi = FlaskOpenAPIViewDecorator.from_spec(spec)
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@app.route('/home')
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@openapi
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def home():
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pass
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If you want to decorate class based view you can use the decorators attribute:
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.. code-block:: python
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class MyView(View):
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decorators = [openapi]
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View
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====
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As an alternative to the decorator-based integration, Flask method based views can be integrated by inheritance from `FlaskOpenAPIView` class.
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.. code-block:: python
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from openapi_core.contrib.flask.views import FlaskOpenAPIView
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class MyView(FlaskOpenAPIView):
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pass
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app.add_url_rule('/home', view_func=MyView.as_view('home', spec))
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Request parameters
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==================
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In Flask, all unmarshalled request data are provided as Flask request object's openapi.parameters attribute
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.. code-block:: python
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from flask.globals import request
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@app.route('/browse/<id>/')
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@openapi
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def home():
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browse_id = request.openapi.parameters.path['id']
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page = request.openapi.parameters.query.get('page', 1)
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Low level
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=========
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You can use FlaskOpenAPIRequest a Flask/Werkzeug request factory:
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.. code-block:: python
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from openapi_core.shortcuts import RequestValidator
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from openapi_core.contrib.flask import FlaskOpenAPIRequest
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openapi_request = FlaskOpenAPIRequest(flask_request)
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validator = RequestValidator(spec)
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result = validator.validate(openapi_request)
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You can use FlaskOpenAPIResponse as a Flask/Werkzeug response factory:
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.. code-block:: python
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from openapi_core.shortcuts import ResponseValidator
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from openapi_core.contrib.flask import FlaskOpenAPIResponse
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openapi_response = FlaskOpenAPIResponse(flask_response)
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validator = ResponseValidator(spec)
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result = validator.validate(openapi_request, openapi_response)
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Pyramid
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*******
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See `pyramid_openapi3 <https://github.com/niteoweb/pyramid_openapi3>`_ project.
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Related projects
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################
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* `openapi-spec-validator <https://github.com/p1c2u/openapi-spec-validator>`__
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* `pyramid_openapi3 <https://github.com/niteoweb/pyramid_openapi3>`__
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