import logging from operator import itemgetter from typing import Any, Dict, List from colorama import init as colorama_init from freqtrade.configuration import setup_utils_configuration from freqtrade.exceptions import OperationalException from freqtrade.state import RunMode logger = logging.getLogger(__name__) def start_hyperopt_list(args: Dict[str, Any]) -> None: """ List hyperopt epochs previously evaluated """ from freqtrade.optimize.hyperopt import Hyperopt config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE) only_best = config.get('hyperopt_list_best', False) only_profitable = config.get('hyperopt_list_profitable', False) print_colorized = config.get('print_colorized', False) print_json = config.get('print_json', False) no_details = config.get('hyperopt_list_no_details', False) no_header = False trials_file = (config['user_data_dir'] / 'hyperopt_results' / 'hyperopt_results.pickle') # Previous evaluations trials = Hyperopt.load_previous_results(trials_file) total_epochs = len(trials) trials = _hyperopt_filter_trials(trials, only_best, only_profitable) # TODO: fetch the interval for epochs to print from the cli option epoch_start, epoch_stop = 0, None if print_colorized: colorama_init(autoreset=True) try: # Human-friendly indexes used here (starting from 1) for val in trials[epoch_start:epoch_stop]: Hyperopt.print_results_explanation(val, total_epochs, not only_best, print_colorized) except KeyboardInterrupt: print('User interrupted..') if trials and not no_details: sorted_trials = sorted(trials, key=itemgetter('loss')) results = sorted_trials[0] Hyperopt.print_epoch_details(results, total_epochs, print_json, no_header) def start_hyperopt_show(args: Dict[str, Any]) -> None: """ Show details of a hyperopt epoch previously evaluated """ from freqtrade.optimize.hyperopt import Hyperopt config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE) only_best = config.get('hyperopt_list_best', False) only_profitable = config.get('hyperopt_list_profitable', False) no_header = config.get('hyperopt_show_no_header', False) trials_file = (config['user_data_dir'] / 'hyperopt_results' / 'hyperopt_results.pickle') # Previous evaluations trials = Hyperopt.load_previous_results(trials_file) total_epochs = len(trials) trials = _hyperopt_filter_trials(trials, only_best, only_profitable) trials_epochs = len(trials) n = config.get('hyperopt_show_index', -1) if n > trials_epochs: raise OperationalException( f"The index of the epoch to show should be less than {trials_epochs + 1}.") if n < -trials_epochs: raise OperationalException( f"The index of the epoch to show should be greater than {-trials_epochs - 1}.") # Translate epoch index from human-readable format to pythonic if n > 0: n -= 1 print_json = config.get('print_json', False) if trials: val = trials[n] Hyperopt.print_epoch_details(val, total_epochs, print_json, no_header, header_str="Epoch details") def _hyperopt_filter_trials(trials: List, only_best: bool, only_profitable: bool) -> List: """ Filter our items from the list of hyperopt results """ if only_best: trials = [x for x in trials if x['is_best']] if only_profitable: trials = [x for x in trials if x['results_metrics']['profit'] > 0] logger.info(f"{len(trials)} " + ("best " if only_best else "") + ("profitable " if only_profitable else "") + "epochs found.") return trials