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Improve error when hyperopt-loss-function is missing

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This commit is contained in:
Matthias 2020-10-28 07:58:55 +01:00
parent 28d6c3419b
commit 5cb3735a57
3 changed files with 11 additions and 5 deletions
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4
freqtrade/commands/cli_options.py
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@ -4,6 +4,7 @@ Definition of cli arguments used in arguments.py
from argparse import ArgumentTypeError from argparse import ArgumentTypeError
from freqtrade import __version__, constants from freqtrade import __version__, constants
from freqtrade.constants import HYPEROPT_LOSS_BUILTIN
def check_int_positive(value: str) -> int: def check_int_positive(value: str) -> int:
@ -257,8 +258,7 @@ AVAILABLE_CLI_OPTIONS = {
help='Specify the class name of the hyperopt loss function class (IHyperOptLoss). ' help='Specify the class name of the hyperopt loss function class (IHyperOptLoss). '
'Different functions can generate completely different results, ' 'Different functions can generate completely different results, '
'since the target for optimization is different. Built-in Hyperopt-loss-functions are: ' 'since the target for optimization is different. Built-in Hyperopt-loss-functions are: '
'ShortTradeDurHyperOptLoss, OnlyProfitHyperOptLoss, SharpeHyperOptLoss, ' f'{", ".join(HYPEROPT_LOSS_BUILTIN)}',
'SharpeHyperOptLossDaily, SortinoHyperOptLoss, SortinoHyperOptLossDaily.',
metavar='NAME', metavar='NAME',
), ),
"hyperoptexportfilename": Arg( "hyperoptexportfilename": Arg(

3
freqtrade/constants.py
View File

@ -20,6 +20,9 @@ REQUIRED_ORDERTYPES = ['buy', 'sell', 'stoploss', 'stoploss_on_exchange']
ORDERBOOK_SIDES = ['ask', 'bid'] ORDERBOOK_SIDES = ['ask', 'bid']
ORDERTYPE_POSSIBILITIES = ['limit', 'market'] ORDERTYPE_POSSIBILITIES = ['limit', 'market']
ORDERTIF_POSSIBILITIES = ['gtc', 'fok', 'ioc'] ORDERTIF_POSSIBILITIES = ['gtc', 'fok', 'ioc']
HYPEROPT_LOSS_BUILTIN = ['ShortTradeDurHyperOptLoss', 'OnlyProfitHyperOptLoss',
'SharpeHyperOptLoss', 'SharpeHyperOptLossDaily',
'SortinoHyperOptLoss', 'SortinoHyperOptLossDaily']
AVAILABLE_PAIRLISTS = ['StaticPairList', 'VolumePairList', AVAILABLE_PAIRLISTS = ['StaticPairList', 'VolumePairList',
'AgeFilter', 'PrecisionFilter', 'PriceFilter', 'AgeFilter', 'PrecisionFilter', 'PriceFilter',
'ShuffleFilter', 'SpreadFilter'] 'ShuffleFilter', 'SpreadFilter']

9
freqtrade/resolvers/hyperopt_resolver.py
View File

@ -7,7 +7,7 @@ import logging
from pathlib import Path from pathlib import Path
from typing import Dict from typing import Dict
from freqtrade.constants import USERPATH_HYPEROPTS from freqtrade.constants import HYPEROPT_LOSS_BUILTIN, USERPATH_HYPEROPTS
from freqtrade.exceptions import OperationalException from freqtrade.exceptions import OperationalException
from freqtrade.optimize.hyperopt_interface import IHyperOpt from freqtrade.optimize.hyperopt_interface import IHyperOpt
from freqtrade.optimize.hyperopt_loss_interface import IHyperOptLoss from freqtrade.optimize.hyperopt_loss_interface import IHyperOptLoss
@ -72,8 +72,11 @@ class HyperOptLossResolver(IResolver):
hyperoptloss_name = config.get('hyperopt_loss') hyperoptloss_name = config.get('hyperopt_loss')
if not hyperoptloss_name: if not hyperoptloss_name:
raise OperationalException("No Hyperopt loss set. Please use `--hyperopt-loss` to " raise OperationalException(
"specify the Hyperopt-Loss class to use.") "No Hyperopt loss set. Please use `--hyperopt-loss` to "
"specify the Hyperopt-Loss class to use.\n"
f"Built-in Hyperopt-loss-functions are: {', '.join(HYPEROPT_LOSS_BUILTIN)}"
)
hyperoptloss = HyperOptLossResolver.load_object(hyperoptloss_name, hyperoptloss = HyperOptLossResolver.load_object(hyperoptloss_name,
config, kwargs={}, config, kwargs={},
extra_dir=config.get('hyperopt_path')) extra_dir=config.get('hyperopt_path'))