210 lines
8.0 KiB
Python
210 lines
8.0 KiB
Python
import logging
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import sys
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from collections import OrderedDict
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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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import csv
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import rapidjson
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from tabulate import tabulate
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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, market_is_active,
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symbol_is_pair)
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from freqtrade.misc import plural
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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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def start_list_timeframes(args: Dict[str, Any]) -> None:
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"""
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Print ticker intervals (timeframes) available on Exchange
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"""
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config = setup_utils_configuration(args, RunMode.OTHER)
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# Do not use ticker_interval set in the config
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config['ticker_interval'] = None
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# Init exchange
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exchange = ExchangeResolver(config['exchange']['name'], config).exchange
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if args['print_one_column']:
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print('\n'.join(exchange.timeframes))
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else:
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print(f"Timeframes available for the exchange `{config['exchange']['name']}`: "
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f"{', '.join(exchange.timeframes)}.")
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def start_list_markets(args: Dict[str, Any], pairs_only: bool = False) -> None:
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"""
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Print pairs/markets on the exchange
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:param args: Cli args from Arguments()
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:param pairs_only: if True print only pairs, otherwise print all instruments (markets)
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:return: None
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"""
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config = setup_utils_configuration(args, RunMode.OTHER)
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# Init exchange
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exchange = ExchangeResolver(config['exchange']['name'], config).exchange
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# By default only active pairs/markets are to be shown
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active_only = not args.get('list_pairs_all', False)
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base_currencies = args.get('base_currencies', [])
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quote_currencies = args.get('quote_currencies', [])
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try:
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pairs = exchange.get_markets(base_currencies=base_currencies,
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quote_currencies=quote_currencies,
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pairs_only=pairs_only,
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active_only=active_only)
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# Sort the pairs/markets by symbol
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pairs = OrderedDict(sorted(pairs.items()))
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except Exception as e:
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raise OperationalException(f"Cannot get markets. Reason: {e}") from e
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else:
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summary_str = ((f"Exchange {exchange.name} has {len(pairs)} ") +
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("active " if active_only else "") +
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(plural(len(pairs), "pair" if pairs_only else "market")) +
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(f" with {', '.join(base_currencies)} as base "
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f"{plural(len(base_currencies), 'currency', 'currencies')}"
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if base_currencies else "") +
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(" and" if base_currencies and quote_currencies else "") +
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(f" with {', '.join(quote_currencies)} as quote "
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f"{plural(len(quote_currencies), 'currency', 'currencies')}"
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if quote_currencies else ""))
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headers = ["Id", "Symbol", "Base", "Quote", "Active",
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*(['Is pair'] if not pairs_only else [])]
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tabular_data = []
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for _, v in pairs.items():
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tabular_data.append({'Id': v['id'], 'Symbol': v['symbol'],
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'Base': v['base'], 'Quote': v['quote'],
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'Active': market_is_active(v),
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**({'Is pair': symbol_is_pair(v['symbol'])}
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if not pairs_only else {})})
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if (args.get('print_one_column', False) or
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args.get('list_pairs_print_json', False) or
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args.get('print_csv', False)):
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# Print summary string in the log in case of machine-readable
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# regular formats.
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logger.info(f"{summary_str}.")
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else:
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# Print empty string separating leading logs and output in case of
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# human-readable formats.
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print()
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if len(pairs):
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if args.get('print_list', False):
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# print data as a list, with human-readable summary
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print(f"{summary_str}: {', '.join(pairs.keys())}.")
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elif args.get('print_one_column', False):
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print('\n'.join(pairs.keys()))
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elif args.get('list_pairs_print_json', False):
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print(rapidjson.dumps(list(pairs.keys()), default=str))
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elif args.get('print_csv', False):
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writer = csv.DictWriter(sys.stdout, fieldnames=headers)
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writer.writeheader()
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writer.writerows(tabular_data)
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else:
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# print data as a table, with the human-readable summary
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print(f"{summary_str}:")
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print(tabulate(tabular_data, headers='keys', tablefmt='pipe'))
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elif not (args.get('print_one_column', False) or
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args.get('list_pairs_print_json', False) or
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args.get('print_csv', False)):
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print(f"{summary_str}.")
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