Python Forward with Gather Ring Check

test.py

from flask import Flask, request
from bandwidth.voice.bxml.response import Response
from bandwidth.voice.bxml.verbs import SpeakSentence, Hangup, Transfer, PhoneNumber

import json

app = Flask(__name__)

FIRST_FORWARD_NUMBER = "+"
SECOND_FORWARD_NUMBER = "+"

@app.route("/", methods=["GET"])
def home_page():
    return "Hello world"

@app.route("/Callbacks/Voice/Inbound", methods=["POST"])
def handle_voice_callback_inbound():
    data = json.loads(request.data)
    print(data)
    sentence = 'Hello, we are going to forward this call, then when that call ends, connect you to another call'
    voice = 'kate'
    speak_sentence = SpeakSentence(sentence, voice)
    phone_number = PhoneNumber(
        number=FIRST_FORWARD_NUMBER,
        # transfer_answer_url="/Callbacks/Voice/transferAnswer"
        transfer_answer_url="/Callbacks/Voice/transferAnswer2"
    )
    transfer = Transfer(
        phone_numbers=[phone_number],
        transfer_complete_url="/Callbacks/Voice/transferComplete"
    )
    response = Response()
    response.add_verb(speak_sentence)
    response.add_verb(transfer)
    bxml = response.to_bxml()
    print(bxml)
    return bxml

@app.route("/Callbacks/Voice/transferAnswer", methods=["POST"])
def handle_transfer_answer():
    data = json.loads(request.data)
    print(data)
    sentence = 'Hello, we are connecting your call'
    voice = 'kate'
    speak_sentence = SpeakSentence(sentence, voice)
    response = Response()
    response.add_verb(speak_sentence)
    bxml = response.to_bxml()
    print(bxml)
    return bxml

@app.route("/Callbacks/Voice/transferAnswer2", methods=["POST"])
def handle_transfer_answer2():
    data = json.loads(request.data)
    print(data)
    sentence = 'Hello, you have an inbound call, press 1 to accept, 2 to end'
    voice = 'kate'
    speak_sentence = SpeakSentence(sentence, voice)
    gather = Gather(max_digits=1,
                first_digit_timeout=10,
                gather_url='/Callbacks/Voice/GatherAnswer',
                speak_sentence=speak_sentence)
    response = Response()
    response.add_verb(gather)
    bxml = response.to_bxml()
    print(bxml)
    return bxml

@app.route("/Callbacks/Voice/GatherAnswer", methods=["POST"])
def handle_transfer_answer_gather():
    data = json.loads(request.data)
    print(data)
    voice = 'kate'
    response = Response()
    digits = data["digits"]
    if digits == 1:
        # connect the call
        sentence = "connecting your call"
        speak_sentence = SpeakSentence(sentence, voice)
        response.add_verb(speak_sentence)
    else:
        # hangup
        sentence = "ending your call"
        hangup = Hangup()
        speak_sentence = SpeakSentence(sentence, voice)
        response.add_verb(speak_sentence)
        response.add_verb(hangup)

    bxml = response.to_bxml()
    print(bxml)
    return bxml

@app.route("/Callbacks/Voice/transferComplete", methods=["POST"])
def handle_transfer_complete():
    data = json.loads(request.data)
    print(data)
    sentence = 'Hello, we are going to forward this call part 2'
    voice = 'kate'
    speak_sentence = SpeakSentence(sentence, voice)
    phone_number = PhoneNumber(
        number=SECOND_FORWARD_NUMBER
    )
    transfer = Transfer(
        phone_numbers=[phone_number],
        transfer_complete_url="/Callbacks/Voice/secondComplete"
    )
    response = Response()
    response.add_verb(speak_sentence)
    response.add_verb(transfer)
    bxml = response.to_bxml()
    print(bxml)
    return bxml

@app.route("/Callbacks/Voice/secondComplete", methods=["POST"])
def handle_transfer_complete_again():
    data = json.loads(request.data)
    print(data)
    sentence = 'End of the forward tree'
    voice = 'kate'
    speak_sentence = SpeakSentence(sentence, voice)
    hangup = Hangup()
    response = Response()
    response.add_verb(speak_sentence)
    response.add_verb(hangup)
    bxml = response.to_bxml()
    print(bxml)
    return bxml

if __name__ == '__main__':
    app.run()