Merge pull request #2397 from freqtrade/feat/new_args_system

require subcommand for all actions
This commit is contained in:
Matthias
2019-11-14 06:28:42 +01:00
committed by GitHub
39 changed files with 476 additions and 239 deletions

View File

@@ -13,7 +13,7 @@ ARGS_COMMON = ["verbosity", "logfile", "version", "config", "datadir", "user_dat
ARGS_STRATEGY = ["strategy", "strategy_path"]
ARGS_MAIN = ARGS_COMMON + ARGS_STRATEGY + ["db_url", "sd_notify"]
ARGS_TRADE = ["db_url", "sd_notify", "dry_run"]
ARGS_COMMON_OPTIMIZE = ["ticker_interval", "timerange",
"max_open_trades", "stake_amount", "fee"]
@@ -42,8 +42,9 @@ ARGS_CREATE_USERDIR = ["user_data_dir"]
ARGS_DOWNLOAD_DATA = ["pairs", "pairs_file", "days", "download_trades", "exchange",
"timeframes", "erase"]
ARGS_PLOT_DATAFRAME = ["pairs", "indicators1", "indicators2", "plot_limit", "db_url",
"trade_source", "export", "exportfilename", "timerange", "ticker_interval"]
ARGS_PLOT_DATAFRAME = ["pairs", "indicators1", "indicators2", "plot_limit",
"db_url", "trade_source", "export", "exportfilename",
"timerange", "ticker_interval"]
ARGS_PLOT_PROFIT = ["pairs", "timerange", "export", "exportfilename", "db_url",
"trade_source", "ticker_interval"]
@@ -61,11 +62,6 @@ class Arguments:
def __init__(self, args: Optional[List[str]]) -> None:
self.args = args
self._parsed_arg: Optional[argparse.Namespace] = None
self.parser = argparse.ArgumentParser(description='Free, open source crypto trading bot')
def _load_args(self) -> None:
self._build_args(optionlist=ARGS_MAIN)
self._build_subcommands()
def get_parsed_arg(self) -> Dict[str, Any]:
"""
@@ -73,7 +69,7 @@ class Arguments:
:return: List[str] List of arguments
"""
if self._parsed_arg is None:
self._load_args()
self._build_subcommands()
self._parsed_arg = self._parse_args()
return vars(self._parsed_arg)
@@ -84,22 +80,17 @@ class Arguments:
"""
parsed_arg = self.parser.parse_args(self.args)
# When no config is provided, but a config exists, use that configuration!
subparser = parsed_arg.subparser if 'subparser' in parsed_arg else None
# Workaround issue in argparse with action='append' and default value
# (see https://bugs.python.org/issue16399)
# Allow no-config for certain commands (like downloading / plotting)
if (parsed_arg.config is None
and subparser not in NO_CONF_ALLOWED
and ((Path.cwd() / constants.DEFAULT_CONFIG).is_file()
or (subparser not in NO_CONF_REQURIED))):
if ('config' in parsed_arg and parsed_arg.config is None and
((Path.cwd() / constants.DEFAULT_CONFIG).is_file() or
not ('command' in parsed_arg and parsed_arg.command in NO_CONF_REQURIED))):
parsed_arg.config = [constants.DEFAULT_CONFIG]
return parsed_arg
def _build_args(self, optionlist, parser=None):
parser = parser or self.parser
def _build_args(self, optionlist, parser):
for val in optionlist:
opt = AVAILABLE_CLI_OPTIONS[val]
@@ -110,38 +101,68 @@ class Arguments:
Builds and attaches all subcommands.
:return: None
"""
# Build shared arguments (as group Common Options)
_common_parser = argparse.ArgumentParser(add_help=False)
group = _common_parser.add_argument_group("Common arguments")
self._build_args(optionlist=ARGS_COMMON, parser=group)
_strategy_parser = argparse.ArgumentParser(add_help=False)
strategy_group = _strategy_parser.add_argument_group("Strategy arguments")
self._build_args(optionlist=ARGS_STRATEGY, parser=strategy_group)
# Build main command
self.parser = argparse.ArgumentParser(description='Free, open source crypto trading bot')
self._build_args(optionlist=['version'], parser=self.parser)
from freqtrade.optimize import start_backtesting, start_hyperopt, start_edge
from freqtrade.utils import (start_create_userdir, start_download_data,
start_list_exchanges, start_list_timeframes,
start_list_markets)
start_list_exchanges, start_list_markets,
start_list_timeframes, start_trading)
from freqtrade.plot.plot_utils import start_plot_dataframe, start_plot_profit
subparsers = self.parser.add_subparsers(dest='subparser')
subparsers = self.parser.add_subparsers(dest='command',
# Use custom message when no subhandler is added
# shown from `main.py`
# required=True
)
# Add trade subcommand
trade_cmd = subparsers.add_parser('trade', help='Trade module.',
parents=[_common_parser, _strategy_parser])
trade_cmd.set_defaults(func=start_trading)
self._build_args(optionlist=ARGS_TRADE, parser=trade_cmd)
# Add backtesting subcommand
backtesting_cmd = subparsers.add_parser('backtesting', help='Backtesting module.')
backtesting_cmd = subparsers.add_parser('backtesting', help='Backtesting module.',
parents=[_common_parser, _strategy_parser])
backtesting_cmd.set_defaults(func=start_backtesting)
self._build_args(optionlist=ARGS_BACKTEST, parser=backtesting_cmd)
# Add edge subcommand
edge_cmd = subparsers.add_parser('edge', help='Edge module.')
edge_cmd = subparsers.add_parser('edge', help='Edge module.',
parents=[_common_parser, _strategy_parser])
edge_cmd.set_defaults(func=start_edge)
self._build_args(optionlist=ARGS_EDGE, parser=edge_cmd)
# Add hyperopt subcommand
hyperopt_cmd = subparsers.add_parser('hyperopt', help='Hyperopt module.')
hyperopt_cmd = subparsers.add_parser('hyperopt', help='Hyperopt module.',
parents=[_common_parser, _strategy_parser],
)
hyperopt_cmd.set_defaults(func=start_hyperopt)
self._build_args(optionlist=ARGS_HYPEROPT, parser=hyperopt_cmd)
# add create-userdir subcommand
create_userdir_cmd = subparsers.add_parser('create-userdir',
help="Create user-data directory.")
help="Create user-data directory.",
)
create_userdir_cmd.set_defaults(func=start_create_userdir)
self._build_args(optionlist=ARGS_CREATE_USERDIR, parser=create_userdir_cmd)
# Add list-exchanges subcommand
list_exchanges_cmd = subparsers.add_parser(
'list-exchanges',
help='Print available exchanges.'
help='Print available exchanges.',
parents=[_common_parser],
)
list_exchanges_cmd.set_defaults(func=start_list_exchanges)
self._build_args(optionlist=ARGS_LIST_EXCHANGES, parser=list_exchanges_cmd)
@@ -149,7 +170,8 @@ class Arguments:
# Add list-timeframes subcommand
list_timeframes_cmd = subparsers.add_parser(
'list-timeframes',
help='Print available ticker intervals (timeframes) for the exchange.'
help='Print available ticker intervals (timeframes) for the exchange.',
parents=[_common_parser],
)
list_timeframes_cmd.set_defaults(func=start_list_timeframes)
self._build_args(optionlist=ARGS_LIST_TIMEFRAMES, parser=list_timeframes_cmd)
@@ -157,7 +179,8 @@ class Arguments:
# Add list-markets subcommand
list_markets_cmd = subparsers.add_parser(
'list-markets',
help='Print markets on exchange.'
help='Print markets on exchange.',
parents=[_common_parser],
)
list_markets_cmd.set_defaults(func=partial(start_list_markets, pairs_only=False))
self._build_args(optionlist=ARGS_LIST_PAIRS, parser=list_markets_cmd)
@@ -165,7 +188,8 @@ class Arguments:
# Add list-pairs subcommand
list_pairs_cmd = subparsers.add_parser(
'list-pairs',
help='Print pairs on exchange.'
help='Print pairs on exchange.',
parents=[_common_parser],
)
list_pairs_cmd.set_defaults(func=partial(start_list_markets, pairs_only=True))
self._build_args(optionlist=ARGS_LIST_PAIRS, parser=list_pairs_cmd)
@@ -173,16 +197,17 @@ class Arguments:
# Add download-data subcommand
download_data_cmd = subparsers.add_parser(
'download-data',
help='Download backtesting data.'
help='Download backtesting data.',
parents=[_common_parser],
)
download_data_cmd.set_defaults(func=start_download_data)
self._build_args(optionlist=ARGS_DOWNLOAD_DATA, parser=download_data_cmd)
# Add Plotting subcommand
from freqtrade.plot.plot_utils import start_plot_dataframe, start_plot_profit
plot_dataframe_cmd = subparsers.add_parser(
'plot-dataframe',
help='Plot candles with indicators.'
help='Plot candles with indicators.',
parents=[_common_parser, _strategy_parser],
)
plot_dataframe_cmd.set_defaults(func=start_plot_dataframe)
self._build_args(optionlist=ARGS_PLOT_DATAFRAME, parser=plot_dataframe_cmd)
@@ -190,7 +215,8 @@ class Arguments:
# Plot profit
plot_profit_cmd = subparsers.add_parser(
'plot-profit',
help='Generate plot showing profits.'
help='Generate plot showing profits.',
parents=[_common_parser],
)
plot_profit_cmd.set_defaults(func=start_plot_profit)
self._build_args(optionlist=ARGS_PLOT_PROFIT, parser=plot_profit_cmd)

View File

@@ -65,9 +65,8 @@ AVAILABLE_CLI_OPTIONS = {
# Main options
"strategy": Arg(
'-s', '--strategy',
help='Specify strategy class name (default: `%(default)s`).',
help='Specify strategy class name which will be used by the bot.',
metavar='NAME',
default='DefaultStrategy',
),
"strategy_path": Arg(
'--strategy-path',
@@ -86,6 +85,11 @@ AVAILABLE_CLI_OPTIONS = {
help='Notify systemd service manager.',
action='store_true',
),
"dry_run": Arg(
'--dry-run',
help='Enforce dry-run for trading (removes Exchange secrets and simulates trades).',
action='store_true',
),
# Optimize common
"ticker_interval": Arg(
'-i', '--ticker-interval',
@@ -136,7 +140,7 @@ AVAILABLE_CLI_OPTIONS = {
),
"exportfilename": Arg(
'--export-filename',
help='Save backtest results to the file with this filename (default: `%(default)s`). '
help='Save backtest results to the file with this filename. '
'Requires `--export` to be set as well. '
'Example: `--export-filename=user_data/backtest_results/backtest_today.json`',
metavar='PATH',
@@ -156,14 +160,13 @@ AVAILABLE_CLI_OPTIONS = {
),
# Hyperopt
"hyperopt": Arg(
'--customhyperopt',
help='Specify hyperopt class name (default: `%(default)s`).',
'--hyperopt',
help='Specify hyperopt class name which will be used by the bot.',
metavar='NAME',
default=constants.DEFAULT_HYPEROPT,
),
"hyperopt_path": Arg(
'--hyperopt-path',
help='Specify additional lookup path for Hyperopts and Hyperopt Loss functions.',
help='Specify additional lookup path for Hyperopt and Hyperopt Loss functions.',
metavar='PATH',
),
"epochs": Arg(
@@ -174,7 +177,7 @@ AVAILABLE_CLI_OPTIONS = {
default=constants.HYPEROPT_EPOCH,
),
"spaces": Arg(
'-s', '--spaces',
'--spaces',
help='Specify which parameters to hyperopt. Space-separated list. '
'Default: `%(default)s`.',
choices=['all', 'buy', 'sell', 'roi', 'stoploss'],

View File

@@ -93,7 +93,7 @@ class Configuration:
:return: Configuration dictionary
"""
# Load all configs
config: Dict[str, Any] = self.load_from_files(self.args["config"])
config: Dict[str, Any] = self.load_from_files(self.args.get("config", []))
# Keep a copy of the original configuration file
config['original_config'] = deepcopy(config)
@@ -153,7 +153,7 @@ class Configuration:
self._process_logging_options(config)
# Set strategy if not specified in config and or if it's non default
if self.args.get("strategy") != constants.DEFAULT_STRATEGY or not config.get('strategy'):
if self.args.get("strategy") or not config.get('strategy'):
config.update({'strategy': self.args.get("strategy")})
self._args_to_config(config, argname='strategy_path',
@@ -171,6 +171,10 @@ class Configuration:
if 'sd_notify' in self.args and self.args["sd_notify"]:
config['internals'].update({'sd_notify': True})
self._args_to_config(config, argname='dry_run',
logstring='Parameter --dry-run detected, '
'overriding dry_run to: {} ...')
def _process_datadir_options(self, config: Dict[str, Any]) -> None:
"""
Extract information for sys.argv and load directory configurations