flask_demo.py

# -*- coding: utf-8 -*-

"""

"""

import functools
from flask import Flask, jsonify
from gevent.pywsgi import WSGIServer


def create_app():
    app = Flask(__name__)

    def crossdomain(f):
        @functools.wraps(f)
        def wrapper(*args, **kwargs):
            resp = f(*args, **kwargs)
            h = resp.headers
            h['Access-Control-Allow-Origin'] = '*'
            h['Access-Control-Allow-Methods'] = 'GET'
            return resp

        return wrapper

    @app.route('/')
    @crossdomain
    def bar():
        data = {"demo": "flask json"}
        return jsonify(data)

    return app


if __name__ == '__main__':
    app = create_app()
    http_server = WSGIServer(('', 5000), app)
    http_server.serve_forever()