mirror of
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240 lines
10 KiB
Python
240 lines
10 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 functools import partial
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from pathlib import Path
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from typing import Any, Dict, List, Optional
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from freqtrade import constants
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from freqtrade.configuration.cli_options import AVAILABLE_CLI_OPTIONS
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ARGS_COMMON = ["verbosity", "logfile", "version", "config", "datadir", "user_data_dir"]
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ARGS_STRATEGY = ["strategy", "strategy_path"]
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ARGS_TRADE = ["db_url", "sd_notify", "dry_run"]
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ARGS_COMMON_OPTIMIZE = ["ticker_interval", "timerange",
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"max_open_trades", "stake_amount", "fee"]
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ARGS_BACKTEST = ARGS_COMMON_OPTIMIZE + ["position_stacking", "use_max_market_positions",
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"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", "list_exchanges_all"]
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ARGS_LIST_TIMEFRAMES = ["exchange", "print_one_column"]
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ARGS_LIST_PAIRS = ["exchange", "print_list", "list_pairs_print_json", "print_one_column",
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"print_csv", "base_currencies", "quote_currencies", "list_pairs_all"]
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ARGS_CREATE_USERDIR = ["user_data_dir", "reset"]
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ARGS_BUILD_STRATEGY = ["user_data_dir", "strategy"]
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ARGS_BUILD_HYPEROPT = ["user_data_dir", "hyperopt"]
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ARGS_DOWNLOAD_DATA = ["pairs", "pairs_file", "days", "download_trades", "exchange",
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"timeframes", "erase"]
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ARGS_PLOT_DATAFRAME = ["pairs", "indicators1", "indicators2", "plot_limit",
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"db_url", "trade_source", "export", "exportfilename",
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"timerange", "ticker_interval"]
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ARGS_PLOT_PROFIT = ["pairs", "timerange", "export", "exportfilename", "db_url",
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"trade_source", "ticker_interval"]
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NO_CONF_REQURIED = ["download-data", "list-timeframes", "list-markets", "list-pairs",
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"plot-dataframe", "plot-profit"]
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NO_CONF_ALLOWED = ["create-userdir", "list-exchanges", "new-hyperopt", "new-strategy"]
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class Arguments:
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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]]) -> None:
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self.args = args
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self._parsed_arg: Optional[argparse.Namespace] = None
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def get_parsed_arg(self) -> Dict[str, Any]:
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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._build_subcommands()
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self._parsed_arg = self._parse_args()
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return vars(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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# Allow no-config for certain commands (like downloading / plotting)
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if ('config' in parsed_arg and parsed_arg.config is None and
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((Path.cwd() / constants.DEFAULT_CONFIG).is_file() or
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not ('command' in parsed_arg and parsed_arg.command in NO_CONF_REQURIED))):
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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):
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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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# Build shared arguments (as group Common Options)
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_common_parser = argparse.ArgumentParser(add_help=False)
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group = _common_parser.add_argument_group("Common arguments")
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self._build_args(optionlist=ARGS_COMMON, parser=group)
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_strategy_parser = argparse.ArgumentParser(add_help=False)
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strategy_group = _strategy_parser.add_argument_group("Strategy arguments")
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self._build_args(optionlist=ARGS_STRATEGY, parser=strategy_group)
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# Build main command
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self.parser = argparse.ArgumentParser(description='Free, open source crypto trading bot')
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self._build_args(optionlist=['version'], parser=self.parser)
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from freqtrade.optimize import start_backtesting, start_hyperopt, start_edge
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from freqtrade.utils import (start_create_userdir, start_download_data,
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start_list_exchanges, start_list_markets,
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start_new_hyperopt, start_new_strategy,
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start_list_timeframes, start_trading)
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from freqtrade.plot.plot_utils import start_plot_dataframe, start_plot_profit
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subparsers = self.parser.add_subparsers(dest='command',
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# Use custom message when no subhandler is added
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# shown from `main.py`
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# required=True
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)
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# Add trade subcommand
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trade_cmd = subparsers.add_parser('trade', help='Trade module.',
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parents=[_common_parser, _strategy_parser])
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trade_cmd.set_defaults(func=start_trading)
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self._build_args(optionlist=ARGS_TRADE, parser=trade_cmd)
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# Add backtesting subcommand
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backtesting_cmd = subparsers.add_parser('backtesting', help='Backtesting module.',
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parents=[_common_parser, _strategy_parser])
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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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parents=[_common_parser, _strategy_parser])
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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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parents=[_common_parser, _strategy_parser],
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)
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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 create-userdir subcommand
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create_userdir_cmd = subparsers.add_parser('create-userdir',
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help="Create user-data directory.",
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)
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create_userdir_cmd.set_defaults(func=start_create_userdir)
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self._build_args(optionlist=ARGS_CREATE_USERDIR, parser=create_userdir_cmd)
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# add new-strategy subcommand
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build_strategy_cmd = subparsers.add_parser('new-strategy',
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help="Create new strategy")
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build_strategy_cmd.set_defaults(func=start_new_strategy)
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self._build_args(optionlist=ARGS_BUILD_STRATEGY, parser=build_strategy_cmd)
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# add new-hyperopt subcommand
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build_hyperopt_cmd = subparsers.add_parser('new-hyperopt',
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help="Create new hyperopt")
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build_hyperopt_cmd.set_defaults(func=start_new_hyperopt)
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self._build_args(optionlist=ARGS_BUILD_HYPEROPT, parser=build_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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parents=[_common_parser],
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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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# Add list-timeframes subcommand
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list_timeframes_cmd = subparsers.add_parser(
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'list-timeframes',
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help='Print available ticker intervals (timeframes) for the exchange.',
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parents=[_common_parser],
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)
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list_timeframes_cmd.set_defaults(func=start_list_timeframes)
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self._build_args(optionlist=ARGS_LIST_TIMEFRAMES, parser=list_timeframes_cmd)
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# Add list-markets subcommand
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list_markets_cmd = subparsers.add_parser(
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'list-markets',
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help='Print markets on exchange.',
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parents=[_common_parser],
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)
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list_markets_cmd.set_defaults(func=partial(start_list_markets, pairs_only=False))
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self._build_args(optionlist=ARGS_LIST_PAIRS, parser=list_markets_cmd)
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# Add list-pairs subcommand
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list_pairs_cmd = subparsers.add_parser(
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'list-pairs',
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help='Print pairs on exchange.',
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parents=[_common_parser],
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)
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list_pairs_cmd.set_defaults(func=partial(start_list_markets, pairs_only=True))
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self._build_args(optionlist=ARGS_LIST_PAIRS, parser=list_pairs_cmd)
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# Add download-data subcommand
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download_data_cmd = subparsers.add_parser(
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'download-data',
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help='Download backtesting data.',
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parents=[_common_parser],
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)
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download_data_cmd.set_defaults(func=start_download_data)
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self._build_args(optionlist=ARGS_DOWNLOAD_DATA, parser=download_data_cmd)
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# Add Plotting subcommand
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plot_dataframe_cmd = subparsers.add_parser(
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'plot-dataframe',
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help='Plot candles with indicators.',
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parents=[_common_parser, _strategy_parser],
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)
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plot_dataframe_cmd.set_defaults(func=start_plot_dataframe)
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self._build_args(optionlist=ARGS_PLOT_DATAFRAME, parser=plot_dataframe_cmd)
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# Plot profit
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plot_profit_cmd = subparsers.add_parser(
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'plot-profit',
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help='Generate plot showing profits.',
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parents=[_common_parser],
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)
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plot_profit_cmd.set_defaults(func=start_plot_profit)
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self._build_args(optionlist=ARGS_PLOT_PROFIT, parser=plot_profit_cmd)
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