testserver.py

# -*- coding: utf-8 -*-
import falcon
import json
import traceback

class ItemsResource:
    items = {
        "Components": {
                "GW": 0.1,
                "ECU1": 0.5
        }
    }
    def on_get(self, req, resp):
        ''' Handles GET requests '''
        resp.body = json.dumps(self.items)
    
    def on_put(self, req, resp):
        print 'put'
        body = req.stream.read()
        data = json.loads(body)
        print data
        try :
            self.items['Components']['GW'] = data['Components']['GW']
            self.items['Components']['ECU1'] = data['Components']['ECU1']
        except:
            traceback.print_exc()
        
api = falcon.API()
api.add_route('/vehicle/12345678', ItemsResource())

from wsgiref import simple_server
httpd = simple_server.make_server('127.0.0.1', 8000, api)
httpd.serve_forever()