. . . .

. from werkzeug.datastructures import FileStorage upload_parser = api.parser() upload_parser.add_argument('file', location='files', type=FileStorage, required=True) @api.route('/upload/') @api.expect(upload_parser) class Upload(Resource): def post(self): uploaded_file = args['file'] # This is FileStorage instance url = do_something_with_file(uploaded_file) return {'url': url}, 201 See the dedicated Flask documentation section. , . >>> from flask_restplus import Model, fields, marshal_with >>> import json >>> model = Model('Model', { 'name': fields.String, 'address_1': fields.String, 'address_2': fields.String }) >>> @marshal_with(model, skip_none=True) def get(): return {'name': 'John', 'address_1': None} >>> get() OrderedDict([('name', 'John')]) You can see that address_1 and address_2 are skipped by marshal_with().

fields also lets you format and filter the response so you dont have to worry about exposing internal data structures.

See datetime.date.isoformat() for more info on the ISO 8601 format. Otherwise the appropriate method is called and passed all arguments from the url rule used when adding the resource to an Api instance. have

) and migrate database schema to the latest version. . class UrgentItem(fields.Raw): def format(self, value): return "Urgent" if value & 0x01 else "Normal" class UnreadItem(fields.Raw): def format(self, value): return "Unread" if value & 0x02 else "Read" model = { 'name': fields.String, 'priority': UrgentItem(attribute='flags'), 'status': UnreadItem(attribute='flags'), } 3.3. . .

&+bLaj by+bYBg YJYYrbx(rGT`F+L,C9?d+11T_~+Cg!o!_??/?Y . Asking for help, clarification, or responding to other answers.

% Level up and win th. . . Resource created Thursday 02 August 2018, 08:22:55 AM, last modified Friday 08 March 2019, 05:35:08 PM. my_fields = api.model('MyModel', { 'name': fields.String(description='The name', required=True), 'type': fields.String(description='The object type', enum=['A', 'B']), 'age': fields.Integer(min=0), }) 3.7.8 Documenting the methods Each resource will be documented as a Swagger path. Address: Copyright 2022 PDFCOFFEE.COM.

swagger.json . . Announcing the Stacks Editor Beta release! Connect and share knowledge within a single location that is structured and easy to search. . How would electric weapons used by mermaids function, if feasible? . (using

. . . . . config.ENABLED_MODULES . To do Flask-RESTPlus . Similar to Flask, you can return any iterable and it will be converted into a response, including raw Flask response objects.

Method parameters Parameters from the URL path are documented automatically. This project showcases my vision on how the RESTful API server should be access_token Read the generated

12 Chapter 3. Supported formats are RFC 822 and ISO 8601. .

Many of the field types you need are already included.

3.11.1 API Core class flask_restplus.Api(app=None, version=u1.0, title=None, description=None, terms_url=None, license=None, license_url=None, contact=None, contact_url=None, contact_email=None, authorizations=None, security=None, doc=u/, default_id=, default=udefault, default_label=uDefault namespace, validate=None, tags=None, prefix=u, default_mediatype=uapplication/json, decorators=None, catch_all_404s=False, serve_challenge_on_401=False, format_checker=None, **kwargs) The main entry point for the application. Each one will be routed to your Resource: api.add_resource(HelloWorld, '/hello', '/world') # or @api.route('/hello', '/world') class HelloWorld(Resource): pass You can also match parts of the path as variables to your resource methods.

I am currently happy . See List Field for more information. fields mask) by supplying a custom header in the request. parser.add_argument('name', dest='public_name') args = parser.parse_args() args['public_name'] 3.4.5 Argument Locations By default, the RequestParser tries to parse values from flask.Request.values, and flask.Request.

: Once you have invoke, you can learn all available commands related to this .

3.11 API Reference . changes to Python and JavaScript generators over the time, and the nice thing

Use clone() instead header(name, description=None, **kwargs) A decorator to specify one of the expected headers Parameters name (str) the HTTP header name description (str) a description about the header hide(func) A decorator to hide a resource or a method from specifications inherit(name, *specs) Inherit a modal (use the Swagger composition pattern aka.

. . . (Read more details on this in Tips section). . You may add additional non-path arguments to api.doc. Open online interactive API documentation: . flask_restplus_patched . Is it patent infringement to produce patented goods but take no compensation? .

Its also working with PyPy and PyPy3.

I was struggling with this same problem all afternoon today, and in the documentation, I found that you can pass a parser object (from reqparse) to @api.expect. Heres an example directory structure: project/ app.py core __init__.py utils.py apis __init__.py namespace1.py namespace2.py namespaceX.py The app module will serve as a main application entry point following one of the classic Flask patterns (See Larger Applications and Application Factories). Documentation Flask-RESTPlus Documentation, Release 0.10.1.dev 3.7.2 Automatically documented models All models instantiated with model(), clone() and inherit() will be automatically documented in your Swagger specifications. The endpoint parameter prefix all views and resources: The API root/documentation will be {endpoint}.root A resource registered as resource will be available as {endpoint}.resource Parameters app (flask.Flask|flask.Blueprint) the Flask application object or a Blueprint version (str) The API version (used in Swagger documentation) title (str) The API title (used in Swagger documentation) description (str) The API description (used in Swagger documentation) terms_url (str) The API terms page URL (used in Swagger documentation) contact (str) A contact email for the API (used in Swagger documentation) license (str) The license associated to the API (used in Swagger documentation) license_url (str) The license page URL (used in Swagger documentation) endpoint (str) The API base endpoint (default to api). . Specifying location='headers' (not as a list) will retain case insensitivity. Since this project is only an extension to Flask, most (if not all) Flask .

. : So far we did not manually created the swagger documentation; however, still the documentation can be improved by manually adding some information (e.g. , it is required to . Swagger documentation 41 Flask-RESTPlus Documentation, Release 0.10.1.dev assert url_for('api.doc') == '/api/doc/' You can specify a custom validator URL by setting config.SWAGGER_VALIDATOR_URL: from flask import Flask from flask_restplus import Api app = Flask(__name__) app.config.SWAGGER_VALIDATOR_URL = 'http://domain.com/validator' api = Api(app) You can also specify the initial expansion state with the config.SWAGGER_UI_DOC_EXPANSION setting ('none', 'list' or 'full'): from flask import Flask from flask_restplus import Api app = Flask(__name__) app.config.SWAGGER_UI_DOC_EXPANSION = 'list' api = Api(app) By default, operation ID is hidden as well as request duration, you can enable them respectively with: from flask import Flask from flask_restplus import Api app = Flask(__name__) app.config.SWAGGER_UI_OPERATION_ID = True app.config.SWAGGER_UI_REQUEST_DURATION = True api = Api(app) If you need a custom UI, you can register a custom view function with the documentation() decorator: from flask import Flask from flask_restplus import API, apidoc app = Flask(__name__) api = Api(app) @api.documentation def custom_ui(): return apidoc.ui_for(api) Disabling the documentation To disable Swagger UI entirely, set doc=False: from flask import Flask from flask_restplus import Api app = Flask(__name__) api = Api(app, doc=False) 42 Chapter 3.

The Quick start section is great for getting started with your first Flask-RESTplus app, so if youre new to Flask-RESTPlus youd be better off checking that out first. implemented in See Swagger UI for a complete documentation on the automatic documentation. 3.3 Response marshalling . : Add another endpoint to the resource class which allow users to add new books. cURL location='json' . . Scaling your project 45 Flask-RESTPlus Documentation, Release 0.10.1.dev Note: When using blueprints, remember to use the blueprint name with url_for(): # without blueprint url_for('my_api_endpoint') # with blueprint url_for('api.my_api_endpoint') 3.9.3 Multiple APIs with reusable namespaces Sometimes you need to maintain multiple versions of an API. resources Namespace . . . You can use nullable (bool) If enabled, allows null value in argument. . . . . Use clone() instead. . app.db.migrate wget privacy statement. The core module is an example, it contains the business logic. >>> >>> >>> from flask_restplus import fields, marshal_with mfields = { 'a': fields.Raw } @marshal_with(mfields) def get(): return { 'a': 100, 'b': 'foo' } 3.11. . If an argument fails to pass validation, Flask-RESTPlus will respond with a 400 Bad Request and a response highlighting the error. nice command-line interface. This example has three fields: two are String and one is a DateTime, formatted as an ISO 8601 datetime string (RFC 822 is supported as well): from flask_restplus import Resource, fields model = api.model('Model', { 'name': fields.String, 'address': fields.String, 'date_updated': fields.DateTime(dt_format='rfc822'), }) @api.route('/todo') class Todo(Resource): @api.marshal_with(model, envelope='resource') def get(self, **kwargs): return db_get_todo() # Some function that queries the db This example assumes that you have a custom database object (todo) that has attributes name, address, and date_updated. # These two mask are equivalents mask = '{name,age}' # or mask = 'name,age' data = requests.get('/some/url/', headers={'X-Fields': mask}) assert len(data) == 2 assert 'name' in data assert 'age' in data To specify a nested fields mask, simply provide it in bracket following the field name: mask = '{name, age, pet{name}}' Nesting specification works with nested object or list of objects: # Will apply the mask {name} to each pet # in the pets list. 3.4.

from flask import Flask from flask_restplus import Api, Resource, fields from werkzeug.contrib.fixers import ProxyFix app = Flask(__name__) app.wsgi_app = ProxyFix(app.wsgi_app) api = Api(app, version='1.0', title='TodoMVC API', description='A simple TodoMVC API', ) ns = api.namespace('todos', description='TODO operations') todo = api.model('Todo', { 'id': fields.Integer(readOnly=True, description='The task unique identifier'), 'task': fields.String(required=True, description='The task details') }) class TodoDAO(object): def __init__(self): self.counter = 0 self.todos = [] def get(self, id): for todo in self.todos: if todo['id'] == id: return todo api.abort(404, "Todo {} doesn't exist".format(id)) def create(self, data): todo = data todo['id'] = self.counter = self.counter + 1 self.todos.append(todo) return todo def update(self, id, data): todo = self.get(id) todo.update(data) return todo def delete(self, id): todo = self.get(id) 3.10. . resource_fields = api.model('Resource', { 'name': fields.String, }) @api.route('/my-resource/', endpoint='my-resource') class MyResource(Resource): @api.marshal_list_with(resource_fields) def get(self): return get_objects() @api.marshal_with(resource_fields) def post(self): return create_object() 3.7.4 The @api.expect() decorator The @api.expect() decorator allows you to specify the expected input fields. Why had climate change not been proven beyond doubt for so long? Any url variables will be passed to the resource method as args. For example: 3.8. . . API Reference 57 Flask-RESTPlus Documentation, Release 0.10.1.dev class flask_restplus.fields.Date(**kwargs) Return a formatted date string in UTC in ISO 8601. . flask-restful, flask-restplus . . .

. .

parent = api.model('Parent', { 'name': fields.String, 'class': fields.String(discriminator=True) }) child = api.inherit('Child', parent, { 'extra': fields.String }) The Api/Namespace.clone will register both the parent and the child in the Swagger models definitions.

} whereas this: from werkzeug.exceptions import BadRequest raise BadRequest('My custom message') will output { "message": "My custom message" } You can attach extras attributes to the output by providing a data attribute to your exception.

Parameters original_handler (function) the original Flask error handler for the app e (Exception) the exception raised while handling the request errorhandler(exception) A decorator to register an error handler for a given exception handle_error(e) Error handler for the API transforms a raised exception into a Flask response, with the appropriate HTTP status code and body. Nested. stream ex: 634271127864378216478362784632784678324.23432 class flask_restplus.fields.Fixed(decimals=5, **kwargs) A decimal number with a fixed precision. The text was updated successfully, but these errors were encountered: Hi!

Flask-RESTPlus also support setting the response code and response headers using multiple return values, as shown below: class Todo1(Resource): def get(self): # Default to 200 OK return {'task': 'Hello world'} class Todo2(Resource): def get(self): # Set the response code to 201 return {'task': 'Hello world'}, 201 class Todo3(Resource): 3.2. .

specification

. enables automatic code generation. to learn how to use those clients. . . . problem, raise a ValueError). example was the finest foundation I ended up with, but I always felt

Documentation Flask-RESTPlus Documentation, Release 0.10.1.dev $ curl -d 'rate=foo' http://127.0.0.1:5000/todos {'status': 400, 'message': 'foo cannot be converted to int'} The inputs module provides a number of included common conversion functions such as date() and url(). . . . . . , or just a web browser) to communicate with it, or generate Learn how we and our ad partner Google, collect and use data. 16 Chapter 3. . Data Imbalance: what would be an ideal number(ratio) of newly added class's data? . . . Is the fact that ZFC implies that 1+1=2 an absolute truth? You can document a class or a method: @api.route('/my-resource/', endpoint='my-resource') @api.doc(params={'id': 'An ID'}) class MyResource(Resource): def get(self, id): return {} @api.doc(responses={403: 'Not Authorized'}) def post(self, id): api.abort(403) 28 Chapter 3.

. Full example 47 Flask-RESTPlus Documentation, Release 0.10.1.dev self.todos.remove(todo) DAO = TodoDAO() DAO.create({'task': 'Build an API'}) DAO.create({'task': '?????'}) I am wondering if it is available to display query parameter in swagger documentation.

foo or -f, foo. . . . . file, so it gets By default the header is X-Fields but it can be changed with the RESTPLUS_MASK_HEADER parameter. . . These should be dates or datetimes (either ISO strings or native objects). Use the location argument to add_argument() to specify alternate locations to pull the values from. flask_restplus.Namespace project from: Learn more about each command with the following syntax: Use the following command to enter ipython shell ( . Empty collections such as "", {}, [], etc. . Note, this whole repo features much more than that; it demonstrates how I would . Response marshalling 15 Flask-RESTPlus Documentation, Release 0.10.1.dev 3.3.9 The api.model() factory The model() factory allows you to instantiate and register models to your API or Namespace. Though documentation keeps silence about query params, I've found a solution: It creates two endpoints: GET /api/rec/123321?param1=1¶m2=3 and PUT /api/rec/123321?param1=100500. See: http://swagger.io/specification/#specification-extensions-128 class flask_restplus.Resource(api=None, *args, **kwargs) Represents an abstract RESTPlus resource. most of the web servers logs the requested URLs in plain text and we don't want Looking into the documentation I only found the following: But this implies for the information to be on the body, I can't have that with a GET request. . to end of the You can also overwrite any argument in the parent with replace_argument(), or remove it completely with remove_argument(). /Length 843 3.2.3 Resourceful Routing The main building block provided by Flask-RESTPlus are resources. . . . from collections import OrderedDict from flask import Flask from flask_restplus import fields, Api, Resource app = Flask(__name__) api = Api(app) model = api.model('Model', { 'task': fields.String, 'uri': fields.Url('todo_ep') }) class TodoDao(object): def __init__(self, todo_id, task): self.todo_id = todo_id self.task = task # This field will not be sent in the response self.status = 'active' @api.route('/todo') class Todo(Resource): @api.marshal_with(model) def get(self, **kwargs): return TodoDao(todo_id='my_todo', task='Remember the milk') The above example takes a python object and prepares it to be serialized. . request.args['name, Flask

(It must return the value you want to access, and if there's . :v==onU;O^uu#O add_url_rule(). Override this method specify a custom algoryhtm for default endpoint. Aborts the request with a 400 status and an error message Parameters error the error that was raised bundle_errors (bool) do not abort when first error occurs, return a dict with the name of the argument and the error message to be bundled parse(request, bundle_errors=False) Parses argument value(s) from the request, converting according to the arguments type. /Filter /FlateDecode I have had a need to work with my API servers from Python and JavaScript, so Rust. .

An optional envelope keyword argument is specified to wrap the resulting output. . .

.

. functionality as Flask Documentation Flask-RESTPlus Documentation, Release 0.10.1.dev from flask import Flask, request from flask_restplus import Resource, Api app = Flask(__name__) api = Api(app) todos = {} @api.route('/') class TodoSimple(Resource): def get(self, todo_id): return {todo_id: todos[todo_id]} def put(self, todo_id): todos[todo_id] = request.form['data'] return {todo_id: todos[todo_id]} if __name__ == '__main__': app.run(debug=True) You can try it like this: $ curl http://localhost:5000/todo1 -d "data=Remember the milk" -X PUT {"todo1": "Remember the milk"} $ curl http://localhost:5000/todo1 {"todo1": "Remember the milk"} $ curl http://localhost:5000/todo2 -d "data=Change my brakepads" -X PUT {"todo2": "Change my brakepads"} $ curl http://localhost:5000/todo2 {"todo2": "Change my brakepads"} Or from python if you have the Requests library installed: >>> from requests import put, get >>> put('http://localhost:5000/todo1', data={'data': 'Remember the milk'}).json() {u'todo1': u'Remember the milk'} >>> get('http://localhost:5000/todo1').json() {u'todo1': u'Remember the milk'} >>> put('http://localhost:5000/todo2', data={'data': 'Change my brakepads'}).json() {u'todo2': u'Change my brakepads'} >>> get('http://localhost:5000/todo2').json() {u'todo2': u'Change my brakepads'} Flask-RESTPlus understands multiple kinds of return values from view methods. This feature is useful to reduce the size of response when you have a lots of fields which value may be None, but which fields are None are unpredictable.

Response marshalling 17 Flask-RESTPlus Documentation, Release 0.10.1.dev 3.3.11 Skip fields which value is None You can skip those fields which values is None instead of marshaling those fields with JSON value, null. >>> >>> >>> from flask_restplus import Model, fields, marshal_with import json model = Model('Model', { 'name': fields.String, 'location': fields.Nested(location_model, skip_none=True) }) 3.3.12 Define model using JSON Schema You can define models using JSON Schema (Draft v4). . . . . Resources are built on top of Flask pluggable views, giving you easy access to multiple HTTP methods just by defining methods on your resource. mask = '{pets{name},*}' # Will not filter anything mask = '*' 3.6.2 Usage By default, each time you use api.marshal or @api.marshal_with, the mask will be automatically applied if the header is present. . realized that most (if not all) Swagger Codegen generators lack OAuth2 support,

Parameters endpoint (str) The name of the endpoint being checked Returns bool payload Store the input payload in the current request context render_doc() Override this method to customize the documentation page representation(mediatype) Allows additional representation transformers to be declared for the api. tasks group. my_fields = api.model('MyModel', { 'name': fields.String, 'age': fields.Integer(min=0) }) # Equivalent to my_fields = Model('MyModel', { 'name': fields.String, 'age': fields.Integer(min=0) }) api.models[my_fields.name] = my_fields Duplicating with clone The Model.clone() method allows you to instantiate an augmented model. instance of (patched) (listed in

. 3.10 Full example Here is a full example of a TodoMVC API. 3.6 Fields masks Flask-Restplus support partial object fetching (aka. , handle_validation_error(error, bundle_errors) Called when an error is raised while parsing. 3.4.1 Basic Arguments Heres a simple example of the request parser. json. body . 3.6 Fields masks . Calling parse_args() with strict=True ensures that an error is thrown if the request includes arguments your parser does not define. { "message": { "foo": "foo error message", "bar": "bar error message" } } # The default behavior would only return the first error parser = RequestParser() parser.add_argument('foo', type=int, required=True) parser.add_argument('bar', type=int, required=True) { "message": { "foo": "foo error message" } } The application configuration key is BUNDLE_ERRORS. . . You can also specify a default mask that will be applied if no header mask is found. Compatibility CHAPTER 2 Installation You can install flask-restplus with pip: $ pip install flask-restplus or with easy_install: $ easy_install flask-restplus 5 Flask-RESTPlus Documentation, Release 0.10.1.dev 6 Chapter 2.

. Documentation Flask-RESTPlus Documentation, Release 0.10.1.dev 'age': { 'type': 'integer' }, 'birthdate': { 'type': 'string', 'format': 'date-time' }, 'address': { '$ref': '#/definitions/Address', } }, 'type': 'object' }) 3.4 Request Parsing Warning: The whole request parser part of Flask-RESTPlus is slated for removal and will be replaced by documentation on how to integrate with other packages that do the input/output stuff better (such as marshmallow).