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Add some changes to strategytemplate

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This commit is contained in:
Matthias
2021-05-09 09:56:36 +02:00
parent 17b9e898d2
commit 92186d89a2
3 changed files with 12 additions and 6 deletions
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9
freqtrade/data/dataprovider.py
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@@ -30,7 +30,7 @@ class DataProvider:
self._exchange = exchange
self._pairlists = pairlists
self.__cached_pairs: Dict[PairWithTimeframe, Tuple[DataFrame, datetime]] = {}
self.__slice_index = None
self.__slice_index: Optional[int] = None
def _set_dataframe_max_index(self, limit_index: int):
"""
@@ -88,6 +88,8 @@ class DataProvider:
def get_analyzed_dataframe(self, pair: str, timeframe: str) -> Tuple[DataFrame, datetime]:
"""
Retrieve the analyzed dataframe. Returns the full dataframe in trade mode (live / dry),
and the last 1000 candles (up to the time evaluated at this moment) in all other modes.
:param pair: pair to get the data for
:param timeframe: timeframe to get data for
:return: Tuple of (Analyzed Dataframe, lastrefreshed) for the requested pair / timeframe
@@ -99,9 +101,10 @@ class DataProvider:
if self.runmode in (RunMode.DRY_RUN, RunMode.LIVE):
df, date = self.__cached_pairs[pair_key]
else:
max_index = self.__slice_index
df, date = self.__cached_pairs[pair_key]
df = df.iloc[max(0, max_index - MAX_DATAFRAME_CANDLES):max_index]
if self.__slice_index is not None:
max_index = self.__slice_index
df = df.iloc[max(0, max_index - MAX_DATAFRAME_CANDLES):max_index]
return df, date
else:
return (DataFrame(), datetime.fromtimestamp(0, tz=timezone.utc))