fints_test.py

import datetime
import getpass
import logging
import sys
from decimal import Decimal

from fints.client import FinTS3PinTanClient, NeedTANResponse, FinTSUnsupportedOperation
from fints.hhd.flicker import terminal_flicker_unix
from fints.utils import minimal_interactive_cli_bootstrap
import config

logging.basicConfig(level=logging.DEBUG)

client_args = (
    config.blz,  # BLZ
    config.user,  # USER
    config.pin,
    config.fints_url  # ENDPOINT
)

f = FinTS3PinTanClient(*client_args)
minimal_interactive_cli_bootstrap(f)


def ask_for_tan(response):
    print("A TAN is required")
    print(response.challenge)
    if getattr(response, 'challenge_hhduc', None):
        try:
            terminal_flicker_unix(response.challenge_hhduc)
        except KeyboardInterrupt:
            pass
    tan = input('Please enter TAN:')
    return f.send_tan(response, tan)


# Open the actual dialog
with f:
    # Since PSD2, a TAN might be needed for dialog initialization. Let's check if there is one required
    if f.init_tan_response:
        ask_for_tan(f.init_tan_response)

    # Fetch accounts
    accounts = f.get_sepa_accounts()
    if isinstance(accounts, NeedTANResponse):
        accounts = ask_for_tan(accounts)
    if len(accounts) == 1:
        account = accounts[0]
    else:
        print("Multiple accounts available, choose one")
        for i, mm in enumerate(accounts):
            print(i, mm.iban)
        choice = input("Choice: ").strip()
        account = accounts[int(choice)]

    # Test pausing and resuming the dialog
    dialog_data = f.pause_dialog()

client_data = f.deconstruct(including_private=True)

f = FinTS3PinTanClient(*client_args, from_data=client_data)
with f.resume_dialog(dialog_data):
    while True:
        operations = [
            "End dialog",
            "Fetch transactions of the last 30 days",
            "Fetch transactions of the last 120 days",
            "Fetch transactions XML of the last 30 days",
            "Fetch transactions XML of the last 120 days",
            "Fetch information",
            "Fetch balance",
            "Fetch holdings",
            "Fetch scheduled debits",
            "Fetch status protocol",
            "Make a simple transfer"
        ]

        print("Choose an operation")
        for i, o in enumerate(operations):
            print(i, o)
        choice = int(input("Choice: ").strip())
        try:
            if choice == 0:
                break
            elif choice == 1:
                res = f.get_transactions(account, datetime.date.today() - datetime.timedelta(days=30),
                                         datetime.date.today())
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print("Found", len(res), "transactions")
            elif choice == 2:
                res = f.get_transactions(account, datetime.date.today() - datetime.timedelta(days=120),
                                         datetime.date.today())
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print("Found", len(res), "transactions")
            elif choice == 3:
                res = f.get_transactions_xml(account, datetime.date.today() - datetime.timedelta(days=30),
                                             datetime.date.today())
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print("Found", len(res[0]) + len(res[1]), "XML documents")
            elif choice == 4:
                res = f.get_transactions_xml(account, datetime.date.today() - datetime.timedelta(days=120),
                                             datetime.date.today())
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print("Found", len(res[0]) + len(res[1]), "XML documents")
            elif choice == 5:
                print(f.get_information())
            elif choice == 6:
                res = f.get_balance(account)
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print(res)
            elif choice == 7:
                res = f.get_holdings(account)
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print(res)
            elif choice == 8:
                res = f.get_scheduled_debits(account)
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print(res)
            elif choice == 9:
                res = f.get_status_protocol()
                while isinstance(res, NeedTANResponse):
                    res = ask_for_tan(res)
                print(res)
            elif choice == 10:
                res = f.simple_sepa_transfer(
                    account=accounts[0],
                    iban=input('Target IBAN:'),
                    bic=input('Target BIC:'),
                    amount=Decimal(input('Amount:')),
                    recipient_name=input('Recipient name:'),
                    account_name=input('Your name:'),
                    reason=input('Reason:'),
                    endtoend_id='NOTPROVIDED',
                )

                if isinstance(res, NeedTANResponse):
                    ask_for_tan(res)
        except FinTSUnsupportedOperation as e:
            print("This operation is not supported by this bank:", e)