auto login using TOTP key

I am trying to do autologin using totp key. I am using below code but getting this error a;ways. sample code for autologin is removed from fyers docs? is fyers not supporting autologin.

error :

error:send_login_otp msg failure - {"s": "error", "code": -1018, "message": "something went wrong"}

code :

import json
import requests
import pyotp
from urllib import parse
from fyers_apiv3 import fyersModel
import time as tm
from urllib.parse import parse_qs, urlparse
import sys

APP_ID = '******'
APP_TYPE = '100'
SECRET_KEY = '*****'
client_id = f'{APP_ID}-{APP_TYPE}'

FY_ID = '****'
APP_ID_TYPE = '2'  # 2denotes web login


TOTP_KEY = '*******************'
PIN = 1999 # User pin for fyers account
REDIRECT_URI = 'http://127.0.0.1:5000/fyers/callback' # Redirect url from the APP in fyers dashboard

# API endpoints
BASE_URL = "https://api-t2.fyers.in/vagator/v2"
BASE_URL_2 = "https://api-t1.fyers.in/api/v3"
URL_SEND_LOGIN_OTP = BASE_URL + "/send_login_otp_v3"
URL_VERIFY_TOTP = BASE_URL + "/verify_otp"
URL_VERIFY_PIN = BASE_URL + "/verify_pin_v2"
URL_TOKEN = BASE_URL_2 + "/token"
URL_VALIDATE_AUTH_CODE = BASE_URL_2 + "/validate-authcode"



def send_login_otp(fy_id, app_id):
    try:
        result_string = requests.post(url=URL_SEND_LOGIN_OTP, json={
            "fy_id": fy_id, "app_id": app_id})
        if result_string.status_code != 200:
            return ['ERROR', result_string.text]
        result = json.loads(result_string.text)
        request_key = result["request_key"]
        return ['SUCCESS', request_key]
    except Exception as e:
        return ['ERROR', e]
    

def generate_totp(secret):
    try:
        generated_totp = pyotp.TOTP(secret).now()
        return ['SUCCESS', generated_totp]

    except Exception as e:
        return ['ERROR', e]
    
def verify_totp(request_key, totp):
    print("6 digits>>>",totp)
    print("request key>>>",request_key)
    try:
        result_string = requests.post(url=URL_VERIFY_TOTP, json={
            "request_key": request_key, "otp": totp})
        if result_string.status_code != 200:
            return ['ERROR', result_string.text]
        result = json.loads(result_string.text)
        request_key = result["request_key"]
        return ['SUCCESS', request_key]
    except Exception as e:
        return ['ERROR', e]
    
def verify_PIN(request_key, pin):
    try:
        payload = {
            "request_key": request_key,
            "identity_type": "pin",
            "identifier": pin
        }

        result_string = requests.post(url=URL_VERIFY_PIN, json=payload)
        if result_string.status_code != 200:
            return ['ERROR', result_string.text]

        result = json.loads(result_string.text)
        access_token = result["data"]["access_token"]

        return ['SUCCESS', access_token]

    except Exception as e:
        return ['ERROR', e]

def token(fy_id, app_id, redirect_uri, app_type, access_token):
    try:
        payload = {
            "fyers_id": fy_id,
            "app_id": app_id,
            "redirect_uri": redirect_uri,
            "appType": app_type,
            "code_challenge": "",
            "state": "sample_state",
            "scope": "",
            "nonce": "",
            "response_type": "code",
            "create_cookie": True
        }
        headers={'Authorization': f'Bearer {access_token}'}

        result_string = requests.post(
            url=URL_TOKEN, json=payload, headers=headers
        )

        if result_string.status_code != 308:
            return ['ERROR', result_string.text]

        result = json.loads(result_string.text)
        url = result["Url"]
        auth_code = parse.parse_qs(parse.urlparse(url).query)['auth_code'][0]

        return ['SUCCESS', auth_code]

    except Exception as e:
        return ['ERROR', e]
    

def main():

    # Step 1 - Retrieve request_key from send_login_otp API

    session = fyersModel.SessionModel(client_id=client_id, secret_key=SECRET_KEY, redirect_uri=REDIRECT_URI,response_type='code', grant_type='authorization_code')

    urlToActivate = session.generate_authcode()
    print(f'URL to activate APP:  {urlToActivate}')

    send_otp_result = send_login_otp(fy_id=FY_ID, app_id=APP_ID_TYPE)

    if send_otp_result[0] != 'SUCCESS':
        print(f"send_login_otp msg failure - {send_otp_result[1]}")
        status=False
        sys.exit()
    else:
        print("send_login_otp msg 'SUCCESS'")
        status=False


    # Step 2 - Generate totp
    generate_totp_result = generate_totp(secret=TOTP_KEY)

    if generate_totp_result[0] != 'SUCCESS':
        print(f"generate_totp msg failure - {generate_totp_result[1]}")
        sys.exit()
    else:
        print("generate_totp msg 'SUCCESS'")


    # Step 3 - Verify totp and get request key from verify_otp API
    for i in range(1, 3):

        request_key = send_otp_result[1]
        totp = generate_totp_result[1]
        print("otp>>>",totp)
        verify_totp_result = verify_totp(request_key=request_key, totp=totp)
        # print("r==",verify_totp_result)

        if verify_totp_result[0] != 'SUCCESS':
            print(f"verify_totp_result msg failure - {verify_totp_result[1]}")
            status=False

            tm.sleep(1)
        else:
            print(f"verify_totp_result msg 'SUCCESS' {verify_totp_result}")
            status=False
            break

    if verify_totp_result[0] =='SUCCESS':

        request_key_2 = verify_totp_result[1]

        # Step 4 - Verify pin and send back access token
        ses = requests.Session()
        verify_pin_result = verify_PIN(request_key=request_key_2, pin=PIN)
        if verify_pin_result[0] != 'SUCCESS':
            print(f"verify_pin_result got failure - {verify_pin_result[1]}")
            sys.exit()
        else:
            print("verify_pin_result got 'SUCCESS'")


        ses.headers.update({
            'authorization': f"Bearer {verify_pin_result[1]}"
        })

         # Step 5 - Get auth code for API V2 App from trade access token
        token_result = token(
            fy_id=FY_ID, app_id=APP_ID, redirect_uri=REDIRECT_URI, app_type=APP_TYPE,
            access_token=verify_pin_result[1]
        )
        if token_result[0] != 'SUCCESS':
            print(f"token_result msg failure - {token_result[1]}")
            sys.exit()
        else:
            print("token_result msg 'SUCCESS'")

        # Step 6 - Get API V2 access token from validating auth code
        auth_code = token_result[1]
        session.set_token(auth_code)
        response = session.generate_token()
        if response['s'] =='ERROR':
            print("\n Cannot Login. Check your credentials thoroughly!")
            status=False
            tm.sleep(10)
            sys.exit()

        access_token = response["access_token"]
        print(access_token)

if __name__ == "__main__":
    main()

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