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SwaggerUIBundle.SwaggerUIStandalonePreset A minimal example with Swagger UIĪssuming you've followed the example from the schemas documentation for routingĪ dynamic SchemaView, a minimal Django template for using Swagger UI might be Two popular options are Swagger UI and ReDoc.īoth require little more than the location of your static schema file orĭynamic SchemaView endpoint.
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There are a number of packages available that allow you to generate HTMLĭocumentation pages from OpenAPI schemas. Generating documentation from OpenAPI schemas There are also a number of great third-party documentation packages available. REST framework provides built-in support for generating OpenAPI schemas, whichĬan be used with tools that allow you to build API documentation. Roy Fielding, REST APIs must be hypertext driven
#HOW TO USE SWAGGER EDITOR WITH DJANGO CODE#
The code when executed will run on localhost in development mode and the following document is displayed when running 127.0.0.A REST API should spend almost all of its descriptive effort in defining the media type(s) used for representing resources and driving application state. NOTE: If the GET response does not have any parameters to be filled, it is a good practice to specify description as None and define responses in the end.įinally, the Flask app is run and executed inside the main using the following lines of code:- if _name_ = '_main_': app.run() The following lines should be added inside the hello_world.yml file for implementing the GET response in Swagger UI:- openapi: 3.0.0 tags: - name: Hello World get: description: None responses: '200': description: Successful response '400': description: Bad Request '500': description: Internal Server Error If not, the correct file path of the YAML file should be specified within the decorator argument. NOTE:In this case, the YAML file and the Python file should be in the same directory. methods=) def hello_world(): return "Hello World!!!" The YAML file for Swagger UI document is also called using the decorator by specifying path of YAML file and GET method as arguments (arguments such as POST, PUT, DELETE can also be used as per requirement). The API function is defined and the route/address of the Flask app is specified using the decorator. The configuration details of Swagger UI are defined within the swagger_config JSON object.įinally, the swagger object is defined using the Swagger method imported from flasgger module as follows: swagger = Swagger(app, template=swagger_template, config=swagger_config) The base URL for the API is specified within the host field. The parameters of the Swagger UI document such as document title, version, description etc. The LazyString functionality of flasgger module is used to set default values for certain parameters during runtime. The template and the configuration for the Swagger UI document are defined as dictionary objects as follows: swagger_template = dict( info = You need the JSON encoder to create JSON from the API objects for which you can use LazyJSONEncoder class. from flask import Flask, request from flasgger import Swagger, LazyString, LazyJSONEncoder from flasgger import swag_fromĭefine the Flask app using the Flask method: app = Flask(_name_) The following is the import block of our Python script.
#HOW TO USE SWAGGER EDITOR WITH DJANGO INSTALL#
If you want to update the module while installing it, you can use pip install -U or if you are using Python virtual environments and wish to install a specific version of the module for your project, you can execute pip install = for example, pip install Flask=2.0.0īut I would recommend that you should install the latest versions. $ pip install Flask $ pip install flasgger You need to install the following Python packages using pip install to run this example. Finally, we will call the created JSON or YAML file inside the Python program where the API definition is present.Next, we will create a JSON or a YAML file to implement API functionality in SwaggerUI.First, we will create the API using Flask web API framework.We will follow the following steps to build a Swagger UI document for an API function: If you need to gain a basic understanding on Flask APIs, you can refer to the official Flask RESTful API documentation.
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I will use Python and YAML files to implement Swagger UI and API with explanation.Īs a pre-requisite, you are expected to have a basic understanding on Flask APIs and how they work. In this article, I explain step-by-step process for creating a Swagger UI document to get a “Hello World” response through an API which is built in Flask REST API framework.