mirror of
https://github.com/freqtrade/freqtrade.git
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122 lines
4.7 KiB
Python
122 lines
4.7 KiB
Python
"""
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This module contains the argument manager class
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"""
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import argparse
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from typing import List, Optional
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from freqtrade.configuration.cli_options import AVAILABLE_CLI_OPTIONS
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from freqtrade import constants
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ARGS_COMMON = ["verbosity", "logfile", "version", "config", "datadir"]
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ARGS_STRATEGY = ["strategy", "strategy_path"]
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ARGS_MAIN = ARGS_COMMON + ARGS_STRATEGY + ["db_url", "sd_notify"]
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ARGS_COMMON_OPTIMIZE = ["ticker_interval", "timerange",
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"max_open_trades", "stake_amount", "refresh_pairs"]
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ARGS_BACKTEST = ARGS_COMMON_OPTIMIZE + ["position_stacking", "use_max_market_positions",
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"live", "strategy_list", "export", "exportfilename"]
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ARGS_HYPEROPT = ARGS_COMMON_OPTIMIZE + ["hyperopt", "hyperopt_path",
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"position_stacking", "epochs", "spaces",
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"use_max_market_positions", "print_all",
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"print_colorized", "print_json", "hyperopt_jobs",
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"hyperopt_random_state", "hyperopt_min_trades",
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"hyperopt_continue", "hyperopt_loss"]
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ARGS_EDGE = ARGS_COMMON_OPTIMIZE + ["stoploss_range"]
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ARGS_LIST_EXCHANGES = ["print_one_column"]
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ARGS_DOWNLOADER = ARGS_COMMON + ["pairs", "pairs_file", "days", "exchange", "timeframes", "erase"]
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ARGS_PLOT_DATAFRAME = (ARGS_COMMON + ARGS_STRATEGY +
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["pairs", "indicators1", "indicators2", "plot_limit", "db_url",
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"trade_source", "export", "exportfilename", "timerange",
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"refresh_pairs", "live"])
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ARGS_PLOT_PROFIT = (ARGS_COMMON + ARGS_STRATEGY +
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["pairs", "timerange", "export", "exportfilename", "db_url", "trade_source"])
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class Arguments(object):
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"""
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Arguments Class. Manage the arguments received by the cli
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"""
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def __init__(self, args: Optional[List[str]], description: str,
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no_default_config: bool = False) -> None:
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self.args = args
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self._parsed_arg: Optional[argparse.Namespace] = None
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self.parser = argparse.ArgumentParser(description=description)
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self._no_default_config = no_default_config
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def _load_args(self) -> None:
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self._build_args(optionlist=ARGS_MAIN)
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self._build_subcommands()
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def get_parsed_arg(self) -> argparse.Namespace:
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"""
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Return the list of arguments
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:return: List[str] List of arguments
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"""
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if self._parsed_arg is None:
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self._load_args()
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self._parsed_arg = self._parse_args()
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return self._parsed_arg
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def _parse_args(self) -> argparse.Namespace:
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"""
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Parses given arguments and returns an argparse Namespace instance.
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"""
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parsed_arg = self.parser.parse_args(self.args)
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# Workaround issue in argparse with action='append' and default value
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# (see https://bugs.python.org/issue16399)
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if not self._no_default_config and parsed_arg.config is None:
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parsed_arg.config = [constants.DEFAULT_CONFIG]
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return parsed_arg
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def _build_args(self, optionlist, parser=None):
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parser = parser or self.parser
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for val in optionlist:
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opt = AVAILABLE_CLI_OPTIONS[val]
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parser.add_argument(*opt.cli, dest=val, **opt.kwargs)
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def _build_subcommands(self) -> None:
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"""
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Builds and attaches all subcommands.
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:return: None
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"""
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from freqtrade.optimize import start_backtesting, start_hyperopt, start_edge
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from freqtrade.utils import start_list_exchanges
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subparsers = self.parser.add_subparsers(dest='subparser')
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# Add backtesting subcommand
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backtesting_cmd = subparsers.add_parser('backtesting', help='Backtesting module.')
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backtesting_cmd.set_defaults(func=start_backtesting)
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self._build_args(optionlist=ARGS_BACKTEST, parser=backtesting_cmd)
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# Add edge subcommand
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edge_cmd = subparsers.add_parser('edge', help='Edge module.')
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edge_cmd.set_defaults(func=start_edge)
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self._build_args(optionlist=ARGS_EDGE, parser=edge_cmd)
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# Add hyperopt subcommand
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hyperopt_cmd = subparsers.add_parser('hyperopt', help='Hyperopt module.')
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hyperopt_cmd.set_defaults(func=start_hyperopt)
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self._build_args(optionlist=ARGS_HYPEROPT, parser=hyperopt_cmd)
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# Add list-exchanges subcommand
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list_exchanges_cmd = subparsers.add_parser(
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'list-exchanges',
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help='Print available exchanges.'
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)
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list_exchanges_cmd.set_defaults(func=start_list_exchanges)
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self._build_args(optionlist=ARGS_LIST_EXCHANGES, parser=list_exchanges_cmd)
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