bot3.py

from flask import Flask
from flask import request
import requests
import json

PAGE_TOKEN="please use your own token here"                                                                                                                      

app = Flask(__name__)

@app.route('/testbot', methods=["GET"])
def confirm():
    if request.args['hub.verify_token'] == "cd7czs87czds8chsiuh9eh3k3bcjhdbjhb":
        return request.args['hub.challenge']
    return 'Hello World!'


@app.route('/testbot', methods=["POST"])
def receive_message():
    data = request.json
    handle_messages(data)
    return "ok"

def handle_messages(data):
    """handle all incoming messages"""
    messaging_events = data['entry'][0]['messaging']
    for event in messaging_events:
        sender_id = event['sender']['id']

        # check if we actually have some input
        if "message" in event and event['message'].get("text","") != "":
            text = event['message']['text']
            # send a simple text reply
            reply = "Toll, Du hast folgendes gesagt: "+text
            send_text(sender_id, reply)

def send_text(recipient_id, text):                                                                                                                                                                             
    """send a text message to a recipient"""
    recipient = { 'id' : recipient_id }
    message = { 'text' : text }
    payload = {
        'recipient' : recipient,
        'message' : message
    }
    send(payload)

def send(payload):
    """send a payload via the graph API"""

    headers = {'Content-Type': 'application/json'}
    r = requests.post("https://graph.facebook.com/v2.6/me/messages?access_token="+PAGE_TOKEN,
        data = json.dumps(payload),
        headers = headers)

if __name__ == '__main__':
    app.debug = True
    app.run(port=8888)