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don't use __annotate__

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it is only present when typehints are used which cannot be guaranteed
for userdefined classes
This commit is contained in:
Matthias
2018-07-23 17:38:21 +01:00
parent f286ba6b87
commit 39cf0decce
3 changed files with 16 additions and 12 deletions
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9
freqtrade/strategy/interface.py
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@@ -58,6 +58,9 @@ class IStrategy(ABC):
ticker_interval -> str: value of the ticker interval to use for the strategy
"""
_populate_fun_len: int = 0
_buy_fun_len: int = 0
_sell_fun_len: int = 0
# associated minimal roi
minimal_roi: Dict
@@ -283,7 +286,7 @@ class IStrategy(ABC):
:param pair: The currently traded pair
:return: a Dataframe with all mandatory indicators for the strategies
"""
if len(self.populate_indicators.__annotations__) == 2:
if self._populate_fun_len == 2:
warnings.warn("deprecated - check out the Sample strategy to see "
"the current function headers!", DeprecationWarning)
return self.populate_indicators(dataframe) # type: ignore
@@ -298,7 +301,7 @@ class IStrategy(ABC):
:param pair: The currently traded pair
:return: DataFrame with buy column
"""
if len(self.populate_buy_trend.__annotations__) == 2:
if self._buy_fun_len == 2:
warnings.warn("deprecated - check out the Sample strategy to see "
"the current function headers!", DeprecationWarning)
return self.populate_buy_trend(dataframe) # type: ignore
@@ -313,7 +316,7 @@ class IStrategy(ABC):
:param pair: The currently traded pair
:return: DataFrame with sell column
"""
if len(self.populate_sell_trend.__annotations__) == 2:
if self._sell_fun_len == 2:
warnings.warn("deprecated - check out the Sample strategy to see "
"the current function headers!", DeprecationWarning)
return self.populate_sell_trend(dataframe) # type: ignore