import logging import sys from pathlib import Path from typing import Any, Dict, List import arrow import csv import rapidjson from tabulate import tabulate from freqtrade import OperationalException from freqtrade.configuration import Configuration, TimeRange from freqtrade.configuration.directory_operations import create_userdata_dir from freqtrade.data.history import refresh_backtest_ohlcv_data from freqtrade.exchange import (available_exchanges, ccxt_exchanges, market_is_active, market_is_pair) from freqtrade.misc import plural from freqtrade.resolvers import ExchangeResolver from freqtrade.state import RunMode logger = logging.getLogger(__name__) def setup_utils_configuration(args: Dict[str, Any], method: RunMode) -> Dict[str, Any]: """ Prepare the configuration for utils subcommands :param args: Cli args from Arguments() :return: Configuration """ configuration = Configuration(args, method) config = configuration.get_config() config['exchange']['dry_run'] = True # Ensure we do not use Exchange credentials config['exchange']['key'] = '' config['exchange']['secret'] = '' return config def start_list_exchanges(args: Dict[str, Any]) -> None: """ Print available exchanges :param args: Cli args from Arguments() :return: None """ exchanges = ccxt_exchanges() if args['list_exchanges_all'] else available_exchanges() if args['print_one_column']: print('\n'.join(exchanges)) else: if args['list_exchanges_all']: print(f"All exchanges supported by the ccxt library: {', '.join(exchanges)}") else: print(f"Exchanges available for Freqtrade: {', '.join(exchanges)}") def start_create_userdir(args: Dict[str, Any]) -> None: """ Create "user_data" directory to contain user data strategies, hyperopts, ...) :param args: Cli args from Arguments() :return: None """ if "user_data_dir" in args and args["user_data_dir"]: create_userdata_dir(args["user_data_dir"], create_dir=True) else: logger.warning("`create-userdir` requires --userdir to be set.") sys.exit(1) def start_download_data(args: Dict[str, Any]) -> None: """ Download data (former download_backtest_data.py script) """ config = setup_utils_configuration(args, RunMode.OTHER) timerange = TimeRange() if 'days' in config: time_since = arrow.utcnow().shift(days=-config['days']).strftime("%Y%m%d") timerange = TimeRange.parse_timerange(f'{time_since}-') if 'pairs' not in config: raise OperationalException( "Downloading data requires a list of pairs. " "Please check the documentation on how to configure this.") dl_path = Path(config['datadir']) logger.info(f'About to download pairs: {config["pairs"]}, ' f'intervals: {config["timeframes"]} to {dl_path}') pairs_not_available: List[str] = [] try: # Init exchange exchange = ExchangeResolver(config['exchange']['name'], config).exchange pairs_not_available = refresh_backtest_ohlcv_data( exchange, pairs=config["pairs"], timeframes=config["timeframes"], dl_path=Path(config['datadir']), timerange=timerange, erase=config.get("erase")) except KeyboardInterrupt: sys.exit("SIGINT received, aborting ...") finally: if pairs_not_available: logger.info(f"Pairs [{','.join(pairs_not_available)}] not available " f"on exchange {config['exchange']['name']}.") def start_list_timeframes(args: Dict[str, Any]) -> None: """ Print ticker intervals (timeframes) available on Exchange """ config = setup_utils_configuration(args, RunMode.OTHER) # Do not use ticker_interval set in the config config['ticker_interval'] = None # Init exchange exchange = ExchangeResolver(config['exchange']['name'], config).exchange if args['print_one_column']: print('\n'.join(exchange.timeframes)) else: print(f"Timeframes available for the exchange `{config['exchange']['name']}`: " f"{', '.join(exchange.timeframes)}.") def start_list_pairs(args: Dict[str, Any], pairs_only: bool = False) -> None: # noqa: C901 """ Print pairs on the exchange :param args: Cli args from Arguments() :param pairs_only: if True print only pairs, otherwise print all instruments (markets) :return: None """ config = setup_utils_configuration(args, RunMode.OTHER) # Init exchange exchange = ExchangeResolver(config['exchange']['name'], config).exchange active_only = args.get('active_only', False) base_currency = args.get('base_currency', '') quote_currency = args.get('quote_currency', '') try: pairs = exchange.get_markets(base_currency=base_currency, quote_currency=quote_currency, pairs_only=pairs_only, active_only=active_only) except Exception as e: raise OperationalException(f"Cannot get markets. Reason: {e}") from e else: summary_str = ((f"Exchange {exchange.name} has {len(pairs)} ") + ("active " if active_only else "") + (plural(len(pairs), "pair" if pairs_only else "market")) + (f" with {base_currency} as base currency" if base_currency else "") + (" and" if base_currency and quote_currency else "") + (f" with {quote_currency} as quote currency" if quote_currency else "")) headers = ["Id", "Symbol", "Base", "Quote", "Active", *(['Is pair'] if not pairs_only else [])] tabular_data = [] for _, v in pairs.items(): tabular_data.append({'Id': v['id'], 'Symbol': v['symbol'], 'Base': v['base'], 'Quote': v['quote'], 'Active': market_is_active(v), **({'Is pair': market_is_pair(v)} if not pairs_only else {})}) if (args.get('print_one_column', False) or args.get('list_pairs_print_json', False) or args.get('print_csv', False)): logger.info(f"{summary_str}.") if args.get('print_list', False): # print data as a list, with human-readable summary print(summary_str + (f": {', '.join(sorted(pairs.keys()))}" if len(pairs) else "") + ".") elif args.get('print_one_column', False): if len(pairs): print('\n'.join(sorted(pairs.keys()))) elif args.get('list_pairs_print_json', False): if len(pairs): print(rapidjson.dumps(sorted(pairs.keys()), default=str)) elif args.get('print_csv', False): if len(pairs): writer = csv.DictWriter(sys.stdout, fieldnames=headers) writer.writeheader() writer.writerows(tabular_data) else: print(summary_str + (":" if len(pairs) else ".")) if len(pairs): # print data as a table print(tabulate(tabular_data, headers='keys', tablefmt='pipe'))