112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
import logging
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from argparse import Namespace
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from typing import Any, Dict
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from filelock import FileLock, Timeout
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from freqtrade import DependencyException, constants
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from freqtrade.state import RunMode
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from freqtrade.utils import setup_utils_configuration
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logger = logging.getLogger(__name__)
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def setup_configuration(args: Namespace, method: RunMode) -> Dict[str, Any]:
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"""
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Prepare the configuration for the Hyperopt module
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:param args: Cli args from Arguments()
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:return: Configuration
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"""
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config = setup_utils_configuration(args, method)
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if method == RunMode.BACKTEST:
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if config['stake_amount'] == constants.UNLIMITED_STAKE_AMOUNT:
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raise DependencyException('stake amount could not be "%s" for backtesting' %
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constants.UNLIMITED_STAKE_AMOUNT)
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if method == RunMode.HYPEROPT:
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# Special cases for Hyperopt
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if config.get('strategy') and config.get('strategy') != 'DefaultStrategy':
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logger.error("Please don't use --strategy for hyperopt.")
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logger.error(
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"Read the documentation at "
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"https://github.com/freqtrade/freqtrade/blob/develop/docs/hyperopt.md "
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"to understand how to configure hyperopt.")
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raise DependencyException("--strategy configured but not supported for hyperopt")
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return config
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def start_backtesting(args: Namespace) -> None:
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"""
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Start Backtesting script
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:param args: Cli args from Arguments()
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:return: None
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"""
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# Import here to avoid loading backtesting module when it's not used
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from freqtrade.optimize.backtesting import Backtesting
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# Initialize configuration
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config = setup_configuration(args, RunMode.BACKTEST)
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logger.info('Starting freqtrade in Backtesting mode')
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# Initialize backtesting object
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backtesting = Backtesting(config)
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backtesting.start()
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def start_hyperopt(args: Namespace) -> None:
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"""
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Start hyperopt script
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:param args: Cli args from Arguments()
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:return: None
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"""
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# Import here to avoid loading hyperopt module when it's not used
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from freqtrade.optimize.hyperopt import Hyperopt, HYPEROPT_LOCKFILE
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# Initialize configuration
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config = setup_configuration(args, RunMode.HYPEROPT)
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logger.info('Starting freqtrade in Hyperopt mode')
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lock = FileLock(HYPEROPT_LOCKFILE)
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try:
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with lock.acquire(timeout=1):
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# Remove noisy log messages
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logging.getLogger('hyperopt.tpe').setLevel(logging.WARNING)
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logging.getLogger('filelock').setLevel(logging.WARNING)
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# Initialize backtesting object
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hyperopt = Hyperopt(config)
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hyperopt.start()
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except Timeout:
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logger.info("Another running instance of freqtrade Hyperopt detected.")
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logger.info("Simultaneous execution of multiple Hyperopt commands is not supported. "
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"Hyperopt module is resource hungry. Please run your Hyperopts sequentially "
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"or on separate machines.")
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logger.info("Quitting now.")
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# TODO: return False here in order to help freqtrade to exit
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# with non-zero exit code...
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# Same in Edge and Backtesting start() functions.
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def start_edge(args: Namespace) -> None:
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"""
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Start Edge script
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:param args: Cli args from Arguments()
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:return: None
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"""
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from freqtrade.optimize.edge_cli import EdgeCli
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# Initialize configuration
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config = setup_configuration(args, RunMode.EDGE)
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logger.info('Starting freqtrade in Edge mode')
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# Initialize Edge object
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edge_cli = EdgeCli(config)
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edge_cli.start()
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