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Refactor loading of bt data to backtesting ...

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This commit is contained in:
Matthias
2019-10-23 20:13:43 +02:00
parent 86624411c6
commit 33164ac78e
3 changed files with 42 additions and 46 deletions
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8
freqtrade/data/history.py
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@@ -183,6 +183,7 @@ def load_data(datadir: Path,
timerange: Optional[TimeRange] = None,
fill_up_missing: bool = True,
startup_candles: int = 0,
fail_without_data: bool = False
) -> Dict[str, DataFrame]:
"""
Loads ticker history data for a list of pairs
@@ -195,6 +196,7 @@ def load_data(datadir: Path,
:param timerange: Limit data to be loaded to this timerange
:param fill_up_missing: Fill missing values with "No action"-candles
:param startup_candles: Additional candles to load at the start of the period
:param fail_without_data: Raise OperationalException if no data is found.
:return: dict(<pair>:<Dataframe>)
TODO: refresh_pairs is still used by edge to keep the data uptodate.
This should be replaced in the future. Instead, writing the current candles to disk
@@ -208,9 +210,13 @@ def load_data(datadir: Path,
datadir=datadir, timerange=timerange,
refresh_pairs=refresh_pairs,
exchange=exchange,
fill_up_missing=fill_up_missing)
fill_up_missing=fill_up_missing,
startup_candles=startup_candles)
if hist is not None:
result[pair] = hist
if fail_without_data and not result:
raise OperationalException("No data found. Terminating.")
return result