mirror of
https://github.com/freqtrade/freqtrade.git
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100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
import logging
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import sys
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from argparse import Namespace
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from pathlib import Path
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from typing import Any, Dict
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import arrow
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from freqtrade.configuration import Configuration, TimeRange
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from freqtrade.data.history import download_pair_history
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from freqtrade.exchange import available_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: Namespace, 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: Namespace) -> 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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if args.print_one_column:
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print('\n'.join(available_exchanges()))
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else:
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print(f"Exchanges supported by ccxt and available for Freqtrade: "
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f"{', '.join(available_exchanges())}")
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def start_download_data(args: Namespace) -> 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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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 = []
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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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for pair in config["pairs"]:
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if pair not in exchange._api.markets:
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pairs_not_available.append(pair)
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logger.info(f"Skipping pair {pair}...")
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continue
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for ticker_interval in config["timeframes"]:
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pair_print = pair.replace('/', '_')
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filename = f'{pair_print}-{ticker_interval}.json'
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dl_file = dl_path.joinpath(filename)
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if config.get("erase") and dl_file.exists():
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logger.info(
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f'Deleting existing data for pair {pair}, interval {ticker_interval}.')
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dl_file.unlink()
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logger.info(f'Downloading pair {pair}, interval {ticker_interval}.')
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download_pair_history(datadir=dl_path, exchange=exchange,
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pair=pair, ticker_interval=str(ticker_interval),
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timerange=timerange)
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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(
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f"Pairs [{','.join(pairs_not_available)}] not available "
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f"on exchange {config['exchange']['name']}.")
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# configuration.resolve_pairs_list()
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print(config)
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