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Merge pull request #3898 from freqtrade/improve_hyperoptloss_missing

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Improve error when hyperopt-loss-function is missing
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Matthias 2020-10-28 09:49:00 +01:00 committed by GitHub
commit 8e8f328bba
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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 freqtrade import __version__, constants
from freqtrade.constants import HYPEROPT_LOSS_BUILTIN
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). '
'Different functions can generate completely different results, '
'since the target for optimization is different. Built-in Hyperopt-loss-functions are: '
'ShortTradeDurHyperOptLoss, OnlyProfitHyperOptLoss, SharpeHyperOptLoss, '
'SharpeHyperOptLossDaily, SortinoHyperOptLoss, SortinoHyperOptLossDaily.',
f'{", ".join(HYPEROPT_LOSS_BUILTIN)}',
metavar='NAME',
),
"hyperoptexportfilename": Arg(

3
freqtrade/constants.py
View File

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

9
freqtrade/resolvers/hyperopt_resolver.py
View File

@ -7,7 +7,7 @@ import logging
from pathlib import Path
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.optimize.hyperopt_interface import IHyperOpt
from freqtrade.optimize.hyperopt_loss_interface import IHyperOptLoss
@ -72,8 +72,11 @@ class HyperOptLossResolver(IResolver):
hyperoptloss_name = config.get('hyperopt_loss')
if not hyperoptloss_name:
raise OperationalException("No Hyperopt loss set. Please use `--hyperopt-loss` to "
"specify the Hyperopt-Loss class to use.")
raise OperationalException(
"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,
config, kwargs={},
extra_dir=config.get('hyperopt_path'))