how to import flask restful using pip
pip install Flask-RESTful
how to import flask restful using pip
pip install Flask-RESTful
python flask rest api
from flask import Flask
from flask_restful import Resource, Api
app = Flask(__name__)
api = Api(app)
class HelloWorld(Resource):
def get(self):
return {'hello': 'world'}
api.add_resource(HelloWorld, '/')
if __name__ == '__main__':
app.run(debug=True)
creating an apis with python and flask
""" This website does pretty-good explanation with a working example
https://programminghistorian.org/en/lessons/creating-apis-with-python-and-flask
"""
flask api
@app.route('/api/v1/users', methods=['GET'])
def get_users():
users = [ user.json() for user in User.query.all() ]
return jsonify({'users': users })
@app.route('/api/v1/users/<id>', methods=['GET'])
def get_user(id):
user = User.query.filter_by(id=id).first()
if user is None:
return jsonify({'message': 'User does not exists'}), 404
return jsonify({'user': user.json() })
python flask rest api
from flask import Flask
from flask_restful import reqparse, abort, Api, Resource
app = Flask(__name__)
api = Api(app)
TODOS = {
'todo1': {'task': 'build an API'},
'todo2': {'task': '?????'},
'todo3': {'task': 'profit!'},
}
def abort_if_todo_doesnt_exist(todo_id):
if todo_id not in TODOS:
abort(404, message="Todo {} doesn't exist".format(todo_id))
parser = reqparse.RequestParser()
parser.add_argument('task')
# Todo
# shows a single todo item and lets you delete a todo item
class Todo(Resource):
def get(self, todo_id):
abort_if_todo_doesnt_exist(todo_id)
return TODOS[todo_id]
def delete(self, todo_id):
abort_if_todo_doesnt_exist(todo_id)
del TODOS[todo_id]
return '', 204
def put(self, todo_id):
args = parser.parse_args()
task = {'task': args['task']}
TODOS[todo_id] = task
return task, 201
# TodoList
# shows a list of all todos, and lets you POST to add new tasks
class TodoList(Resource):
def get(self):
return TODOS
def post(self):
args = parser.parse_args()
todo_id = int(max(TODOS.keys()).lstrip('todo')) + 1
todo_id = 'todo%i' % todo_id
TODOS[todo_id] = {'task': args['task']}
return TODOS[todo_id], 201
##
## Actually setup the Api resource routing here
##
api.add_resource(TodoList, '/todos')
api.add_resource(Todo, '/todos/<todo_id>')
if __name__ == '__main__':
app.run(debug=True)
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