stable/freqtrade/configuration/deprecated_settings.py
2021-08-04 19:43:16 +02:00

116 lines
5.2 KiB
Python

"""
Functions to handle deprecated settings
"""
import logging
from typing import Any, Dict, Optional
from freqtrade.exceptions import OperationalException
logger = logging.getLogger(__name__)
def check_conflicting_settings(config: Dict[str, Any],
section_old: str, name_old: str,
section_new: Optional[str], name_new: str) -> None:
section_new_config = config.get(section_new, {}) if section_new else config
section_old_config = config.get(section_old, {})
if name_new in section_new_config and name_old in section_old_config:
new_name = f"{section_new}.{name_new}" if section_new else f"{name_new}"
raise OperationalException(
f"Conflicting settings `{new_name}` and `{section_old}.{name_old}` "
"(DEPRECATED) detected in the configuration file. "
"This deprecated setting will be removed in the next versions of Freqtrade. "
f"Please delete it from your configuration and use the `{new_name}` "
"setting instead."
)
def process_removed_setting(config: Dict[str, Any],
section1: str, name1: str,
section2: Optional[str], name2: str) -> None:
"""
:param section1: Removed section
:param name1: Removed setting name
:param section2: new section for this key
:param name2: new setting name
"""
section1_config = config.get(section1, {})
if name1 in section1_config:
section_2 = f"{section2}.{name2}" if section2 else f"{name2}"
raise OperationalException(
f"Setting `{section1}.{name1}` has been moved to `{section_2}. "
f"Please delete it from your configuration and use the `{section_2}` "
"setting instead."
)
def process_deprecated_setting(config: Dict[str, Any],
section_old: str, name_old: str,
section_new: Optional[str], name_new: str
) -> None:
check_conflicting_settings(config, section_old, name_old, section_new, name_new)
section_old_config = config.get(section_old, {})
if name_old in section_old_config:
section_2 = f"{section_new}.{name_new}" if section_new else f"{name_new}"
logger.warning(
"DEPRECATED: "
f"The `{section_old}.{name_old}` setting is deprecated and "
"will be removed in the next versions of Freqtrade. "
f"Please use the `{section_2}` setting in your configuration instead."
)
section_new_config = config.get(section_new, {}) if section_new else config
section_new_config[name_new] = section_old_config[name_old]
def process_temporary_deprecated_settings(config: Dict[str, Any]) -> None:
# Kept for future deprecated / moved settings
# check_conflicting_settings(config, 'ask_strategy', 'use_sell_signal',
# 'experimental', 'use_sell_signal')
process_deprecated_setting(config, 'ask_strategy', 'use_sell_signal',
None, 'use_sell_signal')
process_deprecated_setting(config, 'ask_strategy', 'sell_profit_only',
None, 'sell_profit_only')
process_deprecated_setting(config, 'ask_strategy', 'sell_profit_offset',
None, 'sell_profit_offset')
process_deprecated_setting(config, 'ask_strategy', 'ignore_roi_if_buy_signal',
None, 'ignore_roi_if_buy_signal')
process_deprecated_setting(config, 'ask_strategy', 'ignore_buying_expired_candle_after',
None, 'ignore_buying_expired_candle_after')
# Legacy way - having them in experimental ...
process_removed_setting(config, 'experimental', 'use_sell_signal',
None, 'use_sell_signal')
process_removed_setting(config, 'experimental', 'sell_profit_only',
None, 'sell_profit_only')
process_removed_setting(config, 'experimental', 'ignore_roi_if_buy_signal',
None, 'ignore_roi_if_buy_signal')
if (config.get('edge', {}).get('enabled', False)
and 'capital_available_percentage' in config.get('edge', {})):
raise OperationalException(
"DEPRECATED: "
"Using 'edge.capital_available_percentage' has been deprecated in favor of "
"'tradable_balance_ratio'. Please migrate your configuration to "
"'tradable_balance_ratio' and remove 'capital_available_percentage' "
"from the edge configuration."
)
if 'ticker_interval' in config:
logger.warning(
"DEPRECATED: "
"Please use 'timeframe' instead of 'ticker_interval."
)
if 'timeframe' in config:
raise OperationalException(
"Both 'timeframe' and 'ticker_interval' detected."
"Please remove 'ticker_interval' from your configuration to continue operating."
)
config['timeframe'] = config['ticker_interval']
if 'protections' in config:
logger.warning("DEPRECATED: Setting 'protections' in the configuration is deprecated.")