コード例 #1
0
async def start_backtesting_bot(bot, in_thread=False, watcher=None):
    BotLogger.reset_backtesting_errors()
    await initialize_bot(bot)

    # fix backtesting exit
    for exchange in bot.get_exchanges_list():
        exchange_inst = bot.get_exchanges_list()[exchange].get_exchange()
        try:
            exchange_inst.backtesting.force_exit_at_end = False
        except Exception:
            get_logger(
                f"fail to stop force exit for exchange {exchange_inst.get_name()}"
            )

    if not bot.get_symbols_tasks_manager():
        raise RuntimeError(
            f"No candles data for the current configuration. Please ensure the required data files for "
            f"the activated symbol(s) are available. Symbol(s): {list(bot.get_symbols_list())}"
        )

    if watcher is not None:
        bot.set_watcher(watcher)

    if in_thread:
        await start_bot(bot, True)
        return True
    else:
        await start_bot(bot)
        trader = next(iter(bot.get_exchange_trader_simulators().values()))
        return await Backtesting.get_profitability(trader)
コード例 #2
0
ファイル: advanced_manager.py プロジェクト: glebkhil/OctoBot
 def get_class(config, class_type):
     classes = AdvancedManager.get_classes(config, class_type)
     if classes and len(classes) > 1:
         get_logger(AdvancedManager.__name__).warning(
             f"More than one instance of {class_type} available, "
             f"using {classes[0]}.")
     return classes[0]
コード例 #3
0
ファイル: order.py プロジェクト: yfjelley/OctoBot
    def check_last_prices(self, price, inferior, simulated_time=False):
        if self.last_prices is not None:
            prices = [
                p["price"]
                for p in self.last_prices[-SIMULATOR_LAST_PRICES_TO_CHECK:]
                if not math.isnan(p["price"]) and
                (p[eC.TIMESTAMP.value] >= self.creation_time or simulated_time)
            ]

            if prices:
                if inferior:
                    if float(min(prices)) < price:
                        get_logger(self.get_name()).debug(
                            f"{self.symbol} last prices: {prices}, "
                            f"ask for {'inferior' if inferior else 'superior'} "
                            f"to {price}")
                        return True
                else:
                    if float(max(prices)) > price:
                        get_logger(self.get_name()).debug(
                            f"{self.symbol} last prices: {prices}, "
                            f"ask for {'inferior' if inferior else 'superior'} "
                            f"to {price}")
                        return True
        return False
コード例 #4
0
 def create_services(config, backtesting_enabled):
     logger = get_logger(ServiceCreator.get_name())
     for service_class in AbstractService.__subclasses__():
         service_instance = service_class()
         if service_instance.get_is_enabled() and (
                 not backtesting_enabled
                 or service_instance.BACKTESTING_ENABLED):
             service_instance.set_logger(
                 get_logger(service_class.get_name()))
             service_instance.set_config(config)
             if service_instance.has_required_configuration():
                 try:
                     service_instance.prepare()
                     config[CONFIG_CATEGORY_SERVICES][service_instance.get_type()][CONFIG_SERVICE_INSTANCE] = \
                         service_instance
                     service_instance.say_hello()
                 except Exception as e:
                     logger.error(
                         f"{service_class.get_name()} preparation produced the following error: {e}"
                     )
                     logger.exception(e)
             else:
                 if service_instance.get_should_warn():
                     logger.warning(
                         f"{service_class.get_name()} can't be initialized: configuration is missing, "
                         f"wrong or incomplete !")
コード例 #5
0
def start_backtesting_bot(bot, in_thread=False, watcher=None):
    bot.create_exchange_traders()

    # fix backtesting exit
    for exchange in bot.exchanges_list:
        exchange_inst = bot.exchanges_list[exchange].get_exchange()
        try:
            exchange_inst.backtesting.force_exit_at_end = False
        except Exception:
            get_logger(
                f"fail to stop force exit for exchange {exchange_inst.get_name()}"
            )

    bot.create_evaluation_threads()
    if not bot.get_symbols_threads_manager():
        raise RuntimeError(
            f"No candles data for the current configuration. Please ensure the required data files for "
            f"the activated symbol(s) are available. Symbol(s): {list(bot.get_symbols_list())}"
        )

    if watcher is not None:
        bot.set_watcher(watcher)

    bot.start_threads()

    if not in_thread:
        bot.join_threads()
        trader = next(iter(bot.get_exchange_trader_simulators().values()))
        return Backtesting.get_profitability(trader)
    else:
        return True
コード例 #6
0
    def create_social_eval(config, symbol, dispatchers_list, relevant_evaluators):
        social_eval_list = []
        for social_eval_class in AdvancedManager.create_advanced_evaluator_types_list(SocialEvaluator, config):
            social_eval_class_instance = social_eval_class()
            social_eval_class_instance.set_config(config)
            if EvaluatorCreator.is_relevant_evaluator(social_eval_class_instance, relevant_evaluators):
                is_evaluator_to_be_used = True
                social_eval_class_instance.set_logger(get_logger(social_eval_class.get_name()))
                social_eval_class_instance.set_symbol(symbol)
                social_eval_class_instance.prepare()

                # If evaluator is a dispatcher client --> check if dispatcher exists
                # else warn and pass this evaluator
                if social_eval_class.get_is_dispatcher_client():
                    client_found_dispatcher = EvaluatorCreator.set_social_eval_dispatcher(social_eval_class_instance,
                                                                                          dispatchers_list)
                    if not client_found_dispatcher:
                        is_evaluator_to_be_used = False
                        get_logger(EvaluatorCreator.get_name()).warning(
                            "No dispatcher found for evaluator: {0} for symbol: {1}, evaluator has been disabled."
                                .format(social_eval_class_instance.get_name(), symbol))

                # start refreshing thread if the thread is not manage by dispatcher
                elif is_evaluator_to_be_used and social_eval_class_instance.get_is_threaded():
                    social_eval_class_instance.start()

                if is_evaluator_to_be_used:
                    social_eval_list.append(social_eval_class_instance)

        return social_eval_list
コード例 #7
0
ファイル: advanced_manager.py プロジェクト: nq1320/OctoBot
 def get_class(config, class_type):
     classes = AdvancedManager.get_classes(config, class_type)
     if classes and len(classes) > 1:
         get_logger(AdvancedManager.__name__).warning(
             "More than one instance of {0} available, using {1}.".format(
                 class_type, classes[0]))
     return classes[0]
コード例 #8
0
 def _activate_deactivate_strategies(self, strategies, exchange, activate=True):
     try:
         for symbol_evaluator in self.symbol_evaluator_list.values():
             symbol_evaluator.activate_deactivate_strategies(strategies, exchange, activate)
     except Exception as e:
         get_logger(self.__class__.__name__)\
             .error(f"{self.crypto_currency} error in activate_deactivate_strategies(): {e}")
コード例 #9
0
 def _init_strategies_instances(self, symbol, all_strategy_instances):
     all_strategy_classes = [s.__class__ for s in all_strategy_instances]
     required_strategies, required_strategies_min_count = self.get_required_strategies()
     missing_strategies = []
     found_strategy_count = 0
     for required_class in required_strategies:
         if required_class in all_strategy_classes:
             self.strategy_instances_by_classes[symbol][required_class] = \
                 all_strategy_instances[all_strategy_classes.index(required_class)]
             found_strategy_count += 1
         else:
             subclass = AdvancedManager.get_class(self.config, required_class)
             if subclass in all_strategy_classes:
                 self.strategy_instances_by_classes[symbol][required_class] = \
                     all_strategy_instances[all_strategy_classes.index(subclass)]
                 found_strategy_count += 1
         if required_class not in self.strategy_instances_by_classes[symbol]:
             missing_strategies.append(required_class)
     if found_strategy_count < required_strategies_min_count:
         for missing_strategy in missing_strategies:
             get_logger(self.get_name()).error(f"No instance of {missing_strategy.__name__} "
                                               f"or advanced equivalent found, {self.get_name()} trading "
                                               "mode can't work properly ! Maybe this strategy is disabled in"
                                               f" tentacles/Evaluator/evaluator_config.json (missing "
                                               f"{required_strategies_min_count-found_strategy_count} out of "
                                               f"{required_strategies_min_count} minimum required strategies).")
コード例 #10
0
def get_activated_trading_mode(config):
    if CONFIG_TRADING_TENTACLES in config:
        try:
            trading_modes = [
                class_str for class_str, activated in
                config[CONFIG_TRADING_TENTACLES].items() if activated
                and get_class_from_string(class_str,
                                          AbstractTradingMode,
                                          modes,
                                          error_when_not_found=True)
            ]

            if len(trading_modes) > 1:
                raise ConfigTradingError(
                    f"More than one activated trading mode found in your {CONFIG_TRADING_FILE_PATH} file, "
                    f"please activate only one")

            elif trading_modes:
                trading_mode_class = get_deep_class_from_string(
                    trading_modes[0], modes)

                if trading_mode_class is not None:
                    return AdvancedManager.get_class(config,
                                                     trading_mode_class)
        except ModuleNotFoundError as e:
            get_logger("get_activated_trading_mode").error(
                f"Error when loading a trading mode: {e} "
                f"referenced in {CONFIG_TRADING_FILE_PATH} file")

    raise ConfigTradingError(
        f"Please ensure your {CONFIG_TRADING_FILE_PATH} file is valid and at least one trading "
        f"mode is activated")
コード例 #11
0
ファイル: configuration.py プロジェクト: mrgreedy911/OctoBot
def get_all_symbol_list():
    try:
        currencies_list = json.loads(requests.get(COIN_MARKET_CAP_CURRENCIES_LIST_URL).text)
        return {
            currency_data["name"]: currency_data["symbol"]
            for currency_data in currencies_list["data"]
        }
    except Exception as e:
        get_logger("Configuration").error(f"Failed to get currencies list from coinmarketcap : {e}")
コード例 #12
0
def run_coroutine_in_asyncio_loop(coroutine, async_loop):
    future = asyncio.run_coroutine_threadsafe(coroutine, async_loop)
    try:
        return future.result(DEFAULT_FUTURE_TIMEOUT)
    except asyncio.TimeoutError as e:
        get_logger("run_coroutine_in_asyncio_loop")\
            .error(f'{coroutine} coroutine coroutine too long, cancelling the task.')
        future.cancel()
        raise e
コード例 #13
0
 def parse_time_frames(time_frames_string_list):
     result_list = []
     for time_frame_string in time_frames_string_list:
         try:
             result_list.append(TimeFrames(time_frame_string))
         except ValueError:
             get_logger(TimeFrameManager.__name__).error("No time frame available for: '{0}'. Available time "
                                                         "frames are: {1}. '{0}' time frame requirement "
                                                         "ignored.".
                                                         format(time_frame_string,
                                                                [t.value for t in TimeFrames]))
     return result_list
コード例 #14
0
ファイル: advanced_manager.py プロジェクト: glebkhil/OctoBot
    def create_advanced_evaluator_types_list(evaluator_class, config):
        evaluator_advanced_eval_class_list = []
        for evaluator_subclass in evaluator_class.__subclasses__():
            for eval_class in evaluator_subclass.__subclasses__():
                for eval_class_type in AdvancedManager.get_classes(
                        config, eval_class):
                    evaluator_advanced_eval_class_list.append(eval_class_type)

        if not AdvancedManager._check_duplicate(
                evaluator_advanced_eval_class_list):
            get_logger(
                AdvancedManager.__name__).warning("Duplicate evaluator name.")

        return evaluator_advanced_eval_class_list
コード例 #15
0
ファイル: commands.py プロジェクト: ArashDerArcher/OctoBot
 def exchange_keys_encrypter(catch=False):
     try:
         api_key_crypted = encrypt(input("ENTER YOUR API-KEY : ")).decode()
         api_secret_crypted = encrypt(input("ENTER YOUR API-SECRET : ")).decode()
         print(f"Here are your encrypted exchanges keys : \n "
               f"\t- API-KEY : {api_key_crypted}\n"
               f"\t- API-SECRET : {api_secret_crypted}\n\n"
               f"Your new exchange key configuration is : \n"
               f'\t"api-key": "{api_key_crypted}",\n'
               f'\t"api-secret": "{api_secret_crypted}"\n')
     except Exception as e:
         if not catch:
             get_logger(Commands.__name__).error(f"Fail to encrypt your exchange keys, please try again ({e}).")
             raise e
コード例 #16
0
def get_external_resource(resource_key,
                          catch_exception=False,
                          default_response=""):
    try:
        external_resource_url = f"{GITHUB_RAW_CONTENT_URL}/{GITHUB_REPOSITORY}/{ASSETS_BRANCH}/{EXTERNAL_RESOURCES_FILE}"
        external_resources = json.loads(
            requests.get(external_resource_url).text)
        return external_resources[resource_key]
    except Exception as e:
        if catch_exception:
            get_logger("ExternalResourcesManager")\
                .error(f"Exception when calling get_external_resource for {resource_key} key: {e}")
            return default_response
        else:
            raise e
コード例 #17
0
ファイル: configuration.py プロジェクト: mrgreedy911/OctoBot
def get_symbol_list(exchanges):
    result = []

    for exchange in exchanges:
        try:
            inst = getattr(ccxt, exchange)({'verbose': False})
            inst.load_markets()
            result += inst.symbols
        except Exception as e:
            get_logger("Configuration").error(f"error when loading symbol list for {exchange}: {e}")

    # filter symbols with a "." or no "/" because bot can't handle them for now
    symbols = [res for res in result if "/" in res]

    return list(set(symbols))
コード例 #18
0
ファイル: trader.py プロジェクト: yfjelley/OctoBot
    def __init__(self,
                 config,
                 exchange,
                 order_refresh_time=None,
                 previous_state_manager=None):
        super().__init__()
        self.exchange = exchange
        self.config = config
        self.risk = None
        self.order_refresh_time = order_refresh_time
        self.set_risk(self.config[CONFIG_TRADING][CONFIG_TRADER_RISK])

        # logging
        self.trader_type_str = REAL_TRADER_STR
        self.logger = get_logger(
            f"{self.__class__.__name__}[{self.exchange.get_name()}]")
        self.previous_state_manager = previous_state_manager
        self.loaded_previous_state = False

        if not hasattr(self, 'simulate'):
            self.simulate = False

        self.enable = self.enabled(self.config)

        self.order_manager = None
        self.portfolio = None
        self.trades_manager = None
        self.notifier = None
        self.trading_modes = []

        if self.enable:
            self.initialize_trader()
コード例 #19
0
 def __init__(self):
     super().__init__()
     self.keep_running = True
     self.interval = CONFIG_DEBUG_OPTION_PERF_REFRESH_TIME_MIN * MINUTE_TO_SECONDS
     self.logger = get_logger(self.__class__.__name__)
     self.pid = os.getpid()
     self.py = psutil.Process(self.pid)
コード例 #20
0
 def __init__(self, config):
     self.config = config
     self.tentacle_package_manager = TentaclePackageManager(config, self)
     self.default_package = None
     self.advanced_package_list = []
     self.logger = get_logger(self.__class__.__name__)
     self.force_actions = False
コード例 #21
0
    def __init__(self, config, trader):
        super().__init__()
        self.config = config
        self.trader = trader
        self.portfolio = trader.get_portfolio()
        self.exchange = trader.get_exchange()
        self.logger = get_logger(self.__class__.__name__)

        self.trade_history = []
        self.profitability = 0
        self.profitability_percent = 0
        self.profitability_diff = 0

        self.currencies_last_prices = {}
        self.origin_crypto_currencies_values = {}
        self.current_crypto_currencies_values = {}
        self.origin_portfolio = None

        # buffer of currencies excluding market only used currencies ex: conf = btc/usd, eth/btc, ltc/btc, here usd
        # is market only => not used to compute market average profitability
        self.traded_currencies_without_market_specific = set()

        # buffer of currencies containing currencies that have already been logged as without matching symbol
        # (used not to spam logs)
        self.already_informed_no_matching_symbol_currency = set()

        self.portfolio_origin_value = 0
        self.portfolio_current_value = 0
        self.trades_value = 0

        self.reference_market = TradesManager.get_reference_market(self.config)
コード例 #22
0
ファイル: octobot.py プロジェクト: ArashDerArcher/OctoBot
    def __init__(self, config):
        self.start_time = time.time()
        self.config = config
        self.startup_config = copy.deepcopy(config)
        self.edited_config = copy.deepcopy(config)
        self.ready = False
        self.watcher = None

        # tools: used for alternative operations on a bot on the fly (ex: backtesting started from web interface)
        self.tools = {
            BOT_TOOLS_BACKTESTING: None,
            BOT_TOOLS_STRATEGY_OPTIMIZER: None,
            BOT_TOOLS_RECORDER: None,
        }

        # Logger
        self.logger = get_logger(self.__class__.__name__)

        # Advanced
        AdvancedManager.init_advanced_classes_if_necessary(self.config)

        # Debug tools
        self.performance_analyser = None
        if CONFIG_DEBUG_OPTION_PERF in self.config and self.config[
                CONFIG_DEBUG_OPTION_PERF]:
            self.performance_analyser = PerformanceAnalyser()

        # Init time frames using enabled strategies
        EvaluatorCreator.init_time_frames_from_strategies(self.config)
        self.time_frames = TimeFrameManager.get_config_time_frame(self.config)

        # Init relevant evaluator names list using enabled strategies
        self.relevant_evaluators = EvaluatorCreator.get_relevant_evaluators_from_strategies(
            self.config)

        # Backtesting
        self.backtesting_enabled = Backtesting.enabled(self.config)

        # Add services to self.config[CONFIG_CATEGORY_SERVICES]
        ServiceCreator.create_services(self.config, self.backtesting_enabled)

        # Notifier
        self.config[CONFIG_NOTIFICATION_INSTANCE] = Notification(self.config)

        # Notify starting
        if self.config[CONFIG_NOTIFICATION_INSTANCE].enabled(
                CONFIG_NOTIFICATION_GLOBAL_INFO):
            self.config[CONFIG_NOTIFICATION_INSTANCE].notify_with_all(
                NOTIFICATION_STARTING_MESSAGE, False)

        self.symbol_threads_manager = {}
        self.exchange_traders = {}
        self.exchange_trader_simulators = {}
        self.trading_mode = None
        self.exchange_trading_modes = {}
        self.exchanges_list = {}
        self.symbol_evaluator_list = {}
        self.crypto_currency_evaluator_list = {}
        self.dispatchers_list = []
        self.symbol_time_frame_updater_threads = []
コード例 #23
0
 def __init__(self,
              target_exchanges,
              reset_simulator,
              config,
              save_file=SIMULATOR_STATE_SAVE_FILE,
              log_file=LOG_FILE):
     self.logger = get_logger(self.__class__.__name__)
     self.save_file = save_file
     self.log_file = log_file
     if reset_simulator:
         self.reset_trading_history()
     self.reset_state_history = False
     self._previous_state = {}
     try:
         if not self._load_previous_state(target_exchanges, config):
             self._previous_state = self._initialize_new_previous_state(
                 target_exchanges)
             self.first_data = True
         else:
             self.first_data = False
     except Exception as e:
         self.logger.error(f"{self.ERROR_MESSAGE}{e}")
         self.logger.exception(e)
         self._previous_state = self._initialize_new_previous_state(
             target_exchanges)
         self.first_data = True
コード例 #24
0
 def __init__(self, social_evaluator_list):
     super().__init__()
     self.social_evaluator_list = social_evaluator_list
     self.social_evaluator_list_timers = []
     self.logger = get_logger(self.__class__.__name__)
     self._create_eval_timers()
     self.keep_running = True
コード例 #25
0
 def __init__(self):
     super().__init__()
     self._profitability_results = []
     self._trades_counts = []
     self.logger = get_logger(self.__class__.__name__)
     self.current_progress = 0
     self.exceptions = []
コード例 #26
0
 def _init_strategies_instances(self, symbol, all_strategy_instances):
     all_strategy_classes = [s.__class__ for s in all_strategy_instances]
     for required_class in self.get_required_strategies():
         if required_class in all_strategy_classes:
             self.strategy_instances_by_classes[symbol][required_class] = \
                 all_strategy_instances[all_strategy_classes.index(required_class)]
         else:
             subclass = AdvancedManager.get_class(self.config, required_class)
             if subclass in all_strategy_classes:
                 self.strategy_instances_by_classes[symbol][required_class] = \
                     all_strategy_instances[all_strategy_classes.index(subclass)]
         if required_class not in self.strategy_instances_by_classes[symbol]:
             get_logger(self.get_name()).error(f"No instance of {required_class.__name__} "
                                               f"or advanced equivalent found, {self.get_name()} trading "
                                               "mode can't work properly ! Maybe this strategy is disabled in"
                                               " tentacles/Evaluator/evaluator_config.json.")
コード例 #27
0
    def __init__(self, config, trader):
        self.config = config
        self.trader = trader
        self.portfolio = trader.get_portfolio()
        self.exchange = trader.get_exchange()
        self.logger = get_logger(self.__class__.__name__)

        self.trade_history = []
        self.profitability = 0
        self.profitability_percent = 0
        self.profitability_diff = 0

        self.currencies_last_prices = {}
        self.origin_crypto_currencies_values = {}
        self.current_crypto_currencies_values = {}
        self.origin_portfolio = None

        # buffer of currencies excluding market only used currencies ex: conf = btc/usd, eth/btc, ltc/btc, here usd
        # is market only => not used to compute market average profitability
        self.traded_currencies_without_market_specific = set()

        self.portfolio_origin_value = 0
        self.portfolio_current_value = 0
        self.trades_value = 0

        self.reference_market = TradesManager.get_reference_market(self.config)

        self._init_origin_portfolio_and_currencies_value()
コード例 #28
0
    def __init__(self,
                 config,
                 ignore_config=False,
                 reset_trading_history=False):
        self.start_time = time.time()
        self.config = config
        self.reset_trading_history = reset_trading_history
        self.startup_config = copy.deepcopy(config)
        self.edited_config = copy.deepcopy(config)

        # tools: used for alternative operations on a bot on the fly (ex: backtesting started from web interface)
        self.tools = {
            BOT_TOOLS_BACKTESTING: None,
            BOT_TOOLS_STRATEGY_OPTIMIZER: None,
            BOT_TOOLS_RECORDER: None,
        }

        # unique aiohttp session: to be initialized from getter in a task
        self._aiohttp_session = None

        # metrics if enabled
        self.metrics_handler = None

        # Logger
        self.logger = get_logger(self.__class__.__name__)

        self.initializer = Initializer(self)
        self.task_manager = TaskManager(self)
        self.exchange_factory = ExchangeFactory(self,
                                                ignore_config=ignore_config)
        self.evaluator_factory = EvaluatorFactory(self)
コード例 #29
0
    def __init__(self, config, strategy_name):
        self.is_properly_initialized = False
        self.logger = get_logger(self.get_name())
        AdvancedManager.init_advanced_classes_if_necessary(config)
        self.trading_mode = get_activated_trading_mode(config)
        self.config = create_blank_config_using_loaded_one(config)
        self.strategy_class = get_class_from_string(
            strategy_name, StrategiesEvaluator, Strategies,
            evaluator_parent_inspection)
        self.run_results = []
        self.results_report = []
        self.sorted_results_by_time_frame = {}
        self.sorted_results_through_all_time_frame = {}
        self.all_time_frames = []
        self.all_TAs = []
        self.risks = []
        self.current_test_suite = None
        self.errors = set()

        self.is_computing = False
        self.run_id = 0
        self.total_nb_runs = 0

        if not self.strategy_class:
            self.logger.error(
                f"Impossible to find a strategy matching class name: {strategy_name} in installed "
                f"strategies. Please make sure to enter the name of the class, "
                f"ex: FullMixedStrategiesEvaluator")
        else:
            self.is_properly_initialized = True
コード例 #30
0
    async def create_service(logger, service_class, config,
                             backtesting_enabled):
        service_instance = service_class()
        if service_instance.get_is_enabled(config) and \
                (not backtesting_enabled or service_instance.BACKTESTING_ENABLED):
            service_instance.set_logger(get_logger(service_class.get_name()))
            service_instance.set_config(config)
            if service_instance.has_required_configuration():
                try:
                    await service_instance.prepare()

                    # notifier
                    if isinstance(service_instance, NotifierService):
                        config[CONFIG_CATEGORY_SERVICES][CONFIG_NOTIFIER][CONFIG_SERVICE_INSTANCE] \
                            .append(service_instance)
                    else:
                        config[CONFIG_CATEGORY_SERVICES][service_instance.get_type()][CONFIG_SERVICE_INSTANCE] = \
                            service_instance

                    if not await service_instance.say_hello():
                        logger.warning(
                            f"{service_class.get_name()} initial checkup failed."
                        )
                except Exception as e:
                    logger.error(
                        f"{service_class.get_name()} preparation produced the following error: {e}"
                    )
                    logger.exception(e)
            else:
                if service_instance.get_should_warn():
                    logger.warning(
                        f"{service_class.get_name()} can't be initialized: configuration is missing, "
                        f"wrong or incomplete !")