stable/freqtrade/configuration/deprecated_settings.py

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"""
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Functions to handle deprecated settings
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"""
import logging
from typing import Any, Dict, Optional
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from freqtrade.exceptions import OperationalException
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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}"
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raise OperationalException(
f"Conflicting settings `{new_name}` and `{section_old}.{name_old}` "
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"(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}` "
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"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."
)
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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}"
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logger.warning(
"DEPRECATED: "
f"The `{section_old}.{name_old}` setting is deprecated and "
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"will be removed in the next versions of Freqtrade. "
f"Please use the `{section_2}` setting in your configuration instead."
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)
section_new_config = config.get(section_new, {}) if section_new else config
section_new_config[name_new] = section_old_config[name_old]
del section_old_config[name_old]
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def process_temporary_deprecated_settings(config: Dict[str, Any]) -> None:
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# 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')
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if (config.get('edge', {}).get('enabled', False)
and 'capital_available_percentage' in config.get('edge', {})):
raise OperationalException(
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"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."
)
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if 'ticker_interval' in config:
raise OperationalException(
"DEPRECATED: 'ticker_interval' detected. "
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"Please use 'timeframe' instead of 'ticker_interval."
)
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if 'protections' in config:
logger.warning("DEPRECATED: Setting 'protections' in the configuration is deprecated.")