Facebook webhook

handler.py

import json
import os
import sys
here = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(here, "./vendored"))
VERIFY_TOKEN = os.environ['VERIFY_TOKEN'] #reemplace 
from utils.facebookhandler import FacebookHandler 



def webhook(event, context):

    try:
        response = {
            "statusCode": 200,
            "body":"",
        }
        if event['method'] == 'GET':
            if 'hub.verify_token' in event['query'] and  event['query']['hub.verify_token'] == VERIFY_TOKEN:     
                print("succefully verified")
                response['body'] = event['query']['hub.challenge']
                return  response
            else:
                print("Wrong verification token!")
                response = {
                    "statusCode": 400,
                    "body":  "Wrong validation token"
                }
                return response
        elif  event['method'] == 'POST':
            if 'entry' in event['body']:
                FacebookHandler.entries(event['body']['entry'])
            else:
                print(event['body'])#Something we dont handle yet and we want to take a look ...
            return response
        else:
            response = {
                    "statusCode": 400,
                    "body":  "No POST or GET detected sorry"
            }
            return response
    except Exception as e:
        print(e)
        return e