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Update buy_timeout and sell_timeout methods

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Matthias
2022-03-25 19:46:56 +01:00
parent 973644de66
commit 6f1b14c013
11 changed files with 175 additions and 106 deletions
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81
freqtrade/resolvers/strategy_resolver.py
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@@ -169,6 +169,51 @@ class StrategyResolver(IResolver):
" in your strategy. Please note that short signals will be ignored in that case."
)
@staticmethod
def validate_strategy(strategy: IStrategy) -> IStrategy:
if strategy.config.get('trading_mode', TradingMode.SPOT) != TradingMode.SPOT:
# Require new method
if not check_override(strategy, IStrategy, 'populate_entry_trend'):
raise OperationalException("`populate_entry_trend` must be implemented.")
if not check_override(strategy, IStrategy, 'populate_exit_trend'):
raise OperationalException("`populate_exit_trend` must be implemented.")
if check_override(strategy, IStrategy, 'check_buy_timeout'):
raise OperationalException("Please migrate your implementation "
"of `check_buy_timeout` to `check_entry_timeout`.")
if check_override(strategy, IStrategy, 'check_sell_timeout'):
raise OperationalException("Please migrate your implementation "
"of `check_sell_timeout` to `check_exit_timeout`.")
if check_override(strategy, IStrategy, 'custom_sell'):
raise OperationalException(
"Please migrate your implementation of `custom_sell` to `custom_exit`.")
else:
# TODO: Implementing one of the following methods should show a deprecation warning
# buy_trend and sell_trend, custom_sell
if (
not check_override(strategy, IStrategy, 'populate_buy_trend')
and not check_override(strategy, IStrategy, 'populate_entry_trend')
):
raise OperationalException(
"`populate_entry_trend` or `populate_buy_trend` must be implemented.")
if (
not check_override(strategy, IStrategy, 'populate_sell_trend')
and not check_override(strategy, IStrategy, 'populate_exit_trend')
):
raise OperationalException(
"`populate_exit_trend` or `populate_sell_trend` must be implemented.")
strategy._populate_fun_len = len(getfullargspec(strategy.populate_indicators).args)
strategy._buy_fun_len = len(getfullargspec(strategy.populate_buy_trend).args)
strategy._sell_fun_len = len(getfullargspec(strategy.populate_sell_trend).args)
if any(x == 2 for x in [
strategy._populate_fun_len,
strategy._buy_fun_len,
strategy._sell_fun_len
]):
strategy.INTERFACE_VERSION = 1
return strategy
@staticmethod
def _load_strategy(strategy_name: str,
config: dict, extra_dir: Optional[str] = None) -> IStrategy:
@@ -208,42 +253,8 @@ class StrategyResolver(IResolver):
)
if strategy:
if strategy.config.get('trading_mode', TradingMode.SPOT) != TradingMode.SPOT:
# Require new method
if not check_override(strategy, IStrategy, 'populate_entry_trend'):
raise OperationalException("`populate_entry_trend` must be implemented.")
if not check_override(strategy, IStrategy, 'populate_exit_trend'):
raise OperationalException("`populate_exit_trend` must be implemented.")
if check_override(strategy, IStrategy, 'custom_sell'):
raise OperationalException(
"Please migrate your implementation of `custom_sell` to `custom_exit`.")
else:
# TODO: Implementing one of the following methods should show a deprecation warning
# buy_trend and sell_trend, custom_sell
if (
not check_override(strategy, IStrategy, 'populate_buy_trend')
and not check_override(strategy, IStrategy, 'populate_entry_trend')
):
raise OperationalException(
"`populate_entry_trend` or `populate_buy_trend` must be implemented.")
if (
not check_override(strategy, IStrategy, 'populate_sell_trend')
and not check_override(strategy, IStrategy, 'populate_exit_trend')
):
raise OperationalException(
"`populate_exit_trend` or `populate_sell_trend` must be implemented.")
strategy._populate_fun_len = len(getfullargspec(strategy.populate_indicators).args)
strategy._buy_fun_len = len(getfullargspec(strategy.populate_buy_trend).args)
strategy._sell_fun_len = len(getfullargspec(strategy.populate_sell_trend).args)
if any(x == 2 for x in [
strategy._populate_fun_len,
strategy._buy_fun_len,
strategy._sell_fun_len
]):
strategy.INTERFACE_VERSION = 1
return strategy
return StrategyResolver.validate_strategy(strategy)
raise OperationalException(
f"Impossible to load Strategy '{strategy_name}'. This class does not exist "