example_flask_api.py

# -*- coding: utf-8 -*-
"""
A backend service for Penn event calendar
Run the app:

    $ python api.py

This will serve on localhost:5000.
"""
import os
import json
from datetime import datetime, timedelta
import dateutil.parser
from fetch_events import read_json, save_json

from flask import Flask
from flask_restful import Resource, Api
from webargs import fields, validate
from webargs.flaskparser import use_args, use_kwargs, parser


app = Flask(__name__)
api = Api(app, catch_all_404s=True)


class AddResource(Resource):
    """An addition endpoint."""

    add_args = {
        'x': fields.Float(required=True),
        'y': fields.Float(required=True),
    }

    @use_kwargs(add_args)
    def post(self, x, y):
        """An addition endpoint."""
        return {'result': x + y}


# error handler
@parser.error_handler
def handle_request_parsing_error(err):
    """
    webargs error handler that uses Flask-RESTful's abort function to return
    a JSON error response to the client.
    """
    abort(422, errors=err.messages)


if __name__ == '__main__':
    api.add_resource(AddResource, '/add')
    app.run(port=5000, debug=True)

# -*- coding: utf-8 -*-
"""
A backend service for Penn event calendar
Run the app:

    $ python api.py

This will serve on localhost:5000.
"""
import os
import json
from datetime import datetime, timedelta
import dateutil.parser
#from fetch_events import read_json, save_json

from flask import Flask
from flask_restful import Resource, Api
from webargs import fields, validate
from webargs.flaskparser import use_args, use_kwargs, parser


app = Flask(__name__)
api = Api(app, catch_all_404s=True)


class AddResource(Resource):
    """An addition endpoint."""

    add_args = {
        'x': fields.Float(required=True),
        'y': fields.Float(required=True),
    }

    @use_kwargs(add_args)
    def get(self, x, y):
        """An addition endpoint."""
        return {'result': x + y}


# error handler
@parser.error_handler
def handle_request_parsing_error(err):
    """
    webargs error handler that uses Flask-RESTful's abort function to return
    a JSON error response to the client.
    """
    abort(422, errors=err.messages)


if __name__ == '__main__':
    api.add_resource(AddResource, '/add')
    app.run(port=5000, debug=True)