stable/freqtrade/configuration/arguments.py

122 lines
4.7 KiB
Python
Raw Normal View History

"""
This module contains the argument manager class
"""
import argparse
from typing import List, Optional
2019-07-25 23:21:31 +00:00
from freqtrade.configuration.cli_options import AVAILABLE_CLI_OPTIONS
from freqtrade import constants
2019-07-06 22:20:26 +00:00
ARGS_COMMON = ["verbosity", "logfile", "version", "config", "datadir"]
2019-07-06 22:20:26 +00:00
ARGS_STRATEGY = ["strategy", "strategy_path"]
ARGS_MAIN = ARGS_COMMON + ARGS_STRATEGY + ["db_url", "sd_notify"]
2019-07-06 21:51:01 +00:00
ARGS_COMMON_OPTIMIZE = ["ticker_interval", "timerange",
"max_open_trades", "stake_amount", "refresh_pairs"]
ARGS_BACKTEST = ARGS_COMMON_OPTIMIZE + ["position_stacking", "use_max_market_positions",
"live", "strategy_list", "export", "exportfilename"]
2019-07-22 16:37:34 +00:00
ARGS_HYPEROPT = ARGS_COMMON_OPTIMIZE + ["hyperopt", "hyperopt_path",
"position_stacking", "epochs", "spaces",
2019-08-03 16:09:42 +00:00
"use_max_market_positions", "print_all",
2019-08-15 18:39:04 +00:00
"print_colorized", "print_json", "hyperopt_jobs",
"hyperopt_random_state", "hyperopt_min_trades",
2019-07-16 04:27:23 +00:00
"hyperopt_continue", "hyperopt_loss"]
ARGS_EDGE = ARGS_COMMON_OPTIMIZE + ["stoploss_range"]
2019-07-06 21:48:39 +00:00
ARGS_LIST_EXCHANGES = ["print_one_column"]
2019-06-22 18:21:42 +00:00
ARGS_DOWNLOADER = ARGS_COMMON + ["pairs", "pairs_file", "days", "exchange", "timeframes", "erase"]
ARGS_PLOT_DATAFRAME = (ARGS_COMMON + ARGS_STRATEGY +
2019-06-22 18:32:54 +00:00
["pairs", "indicators1", "indicators2", "plot_limit", "db_url",
"trade_source", "export", "exportfilename", "timerange",
"refresh_pairs", "live"])
2019-06-22 18:27:29 +00:00
ARGS_PLOT_PROFIT = (ARGS_COMMON + ARGS_STRATEGY +
2019-06-29 14:57:04 +00:00
["pairs", "timerange", "export", "exportfilename", "db_url", "trade_source"])
2019-06-22 18:27:29 +00:00
class Arguments(object):
"""
Arguments Class. Manage the arguments received by the cli
"""
def __init__(self, args: Optional[List[str]], description: str,
no_default_config: bool = False) -> None:
self.args = args
self._parsed_arg: Optional[argparse.Namespace] = None
self.parser = argparse.ArgumentParser(description=description)
self._no_default_config = no_default_config
2018-03-17 21:20:45 +00:00
def _load_args(self) -> None:
self._build_args(optionlist=ARGS_MAIN)
self._build_subcommands()
2018-03-17 23:02:02 +00:00
def get_parsed_arg(self) -> argparse.Namespace:
"""
Return the list of arguments
:return: List[str] List of arguments
"""
if self._parsed_arg is None:
self._load_args()
self._parsed_arg = self._parse_args()
return self._parsed_arg
def _parse_args(self) -> argparse.Namespace:
"""
Parses given arguments and returns an argparse Namespace instance.
"""
parsed_arg = self.parser.parse_args(self.args)
2019-02-19 12:14:47 +00:00
# Workaround issue in argparse with action='append' and default value
# (see https://bugs.python.org/issue16399)
if not self._no_default_config and parsed_arg.config is None:
2019-02-19 12:14:47 +00:00
parsed_arg.config = [constants.DEFAULT_CONFIG]
return parsed_arg
def _build_args(self, optionlist, parser=None):
parser = parser or self.parser
for val in optionlist:
opt = AVAILABLE_CLI_OPTIONS[val]
parser.add_argument(*opt.cli, dest=val, **opt.kwargs)
def _build_subcommands(self) -> None:
"""
2019-06-18 22:53:38 +00:00
Builds and attaches all subcommands.
:return: None
"""
from freqtrade.optimize import start_backtesting, start_hyperopt, start_edge
2019-06-12 09:33:20 +00:00
from freqtrade.utils import start_list_exchanges
subparsers = self.parser.add_subparsers(dest='subparser')
# Add backtesting subcommand
2019-02-19 12:14:47 +00:00
backtesting_cmd = subparsers.add_parser('backtesting', help='Backtesting module.')
backtesting_cmd.set_defaults(func=start_backtesting)
self._build_args(optionlist=ARGS_BACKTEST, parser=backtesting_cmd)
2018-11-14 11:37:15 +00:00
# Add edge subcommand
2019-02-19 12:14:47 +00:00
edge_cmd = subparsers.add_parser('edge', help='Edge module.')
edge_cmd.set_defaults(func=start_edge)
self._build_args(optionlist=ARGS_EDGE, parser=edge_cmd)
2018-11-14 11:37:15 +00:00
# Add hyperopt subcommand
2019-02-19 12:14:47 +00:00
hyperopt_cmd = subparsers.add_parser('hyperopt', help='Hyperopt module.')
hyperopt_cmd.set_defaults(func=start_hyperopt)
self._build_args(optionlist=ARGS_HYPEROPT, parser=hyperopt_cmd)
2019-06-12 09:33:20 +00:00
# Add list-exchanges subcommand
2019-06-14 19:04:29 +00:00
list_exchanges_cmd = subparsers.add_parser(
'list-exchanges',
help='Print available exchanges.'
)
2019-06-12 09:33:20 +00:00
list_exchanges_cmd.set_defaults(func=start_list_exchanges)
self._build_args(optionlist=ARGS_LIST_EXCHANGES, parser=list_exchanges_cmd)