102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
import logging
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import sys
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from pathlib import Path
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from typing import Any, Dict, List
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import arrow
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from freqtrade import OperationalException
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from freqtrade.configuration import Configuration, TimeRange
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from freqtrade.configuration.directory_operations import create_userdata_dir
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from freqtrade.data.history import refresh_backtest_ohlcv_data
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from freqtrade.exchange import available_exchanges, ccxt_exchanges
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from freqtrade.resolvers import ExchangeResolver
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from freqtrade.state import RunMode
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logger = logging.getLogger(__name__)
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def setup_utils_configuration(args: Dict[str, Any], method: RunMode) -> Dict[str, Any]:
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"""
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Prepare the configuration for utils subcommands
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:param args: Cli args from Arguments()
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:return: Configuration
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"""
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configuration = Configuration(args, method)
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config = configuration.get_config()
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config['exchange']['dry_run'] = True
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# Ensure we do not use Exchange credentials
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config['exchange']['key'] = ''
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config['exchange']['secret'] = ''
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return config
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def start_list_exchanges(args: Dict[str, Any]) -> None:
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"""
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Print available exchanges
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:param args: Cli args from Arguments()
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:return: None
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"""
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exchanges = ccxt_exchanges() if args['list_exchanges_all'] else available_exchanges()
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if args['print_one_column']:
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print('\n'.join(exchanges))
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else:
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if args['list_exchanges_all']:
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print(f"All exchanges supported by the ccxt library: {', '.join(exchanges)}")
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else:
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print(f"Exchanges available for Freqtrade: {', '.join(exchanges)}")
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def start_create_userdir(args: Dict[str, Any]) -> None:
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"""
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Create "user_data" directory to contain user data strategies, hyperopts, ...)
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:param args: Cli args from Arguments()
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:return: None
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"""
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if "user_data_dir" in args and args["user_data_dir"]:
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create_userdata_dir(args["user_data_dir"], create_dir=True)
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else:
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logger.warning("`create-userdir` requires --userdir to be set.")
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sys.exit(1)
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def start_download_data(args: Dict[str, Any]) -> None:
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"""
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Download data (former download_backtest_data.py script)
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"""
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config = setup_utils_configuration(args, RunMode.OTHER)
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timerange = TimeRange()
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if 'days' in config:
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time_since = arrow.utcnow().shift(days=-config['days']).strftime("%Y%m%d")
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timerange = TimeRange.parse_timerange(f'{time_since}-')
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if 'pairs' not in config:
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raise OperationalException(
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"Downloading data requires a list of pairs. "
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"Please check the documentation on how to configure this.")
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dl_path = Path(config['datadir'])
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logger.info(f'About to download pairs: {config["pairs"]}, '
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f'intervals: {config["timeframes"]} to {dl_path}')
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pairs_not_available: List[str] = []
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try:
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# Init exchange
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exchange = ExchangeResolver(config['exchange']['name'], config).exchange
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pairs_not_available = refresh_backtest_ohlcv_data(
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exchange, pairs=config["pairs"], timeframes=config["timeframes"],
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dl_path=Path(config['datadir']), timerange=timerange, erase=config.get("erase"))
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except KeyboardInterrupt:
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sys.exit("SIGINT received, aborting ...")
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finally:
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if pairs_not_available:
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logger.info(f"Pairs [{','.join(pairs_not_available)}] not available "
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f"on exchange {config['exchange']['name']}.")
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