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