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Merge pull request #8361 from TheJoeSchr/feature/trades-feather

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featherdatahandler: implement trades_store/_trades_load
This commit is contained in:
Matthias
2023-03-27 21:05:30 +02:00
committed by GitHub
parent e35c85000e ed0e7ead31
commit 8ae44c204e
4 changed files with 67 additions and 16 deletions
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7
freqtrade/constants.py
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@@ -36,9 +36,10 @@ AVAILABLE_PAIRLISTS = ['StaticPairList', 'VolumePairList', 'ProducerPairList', '
'AgeFilter', 'OffsetFilter', 'PerformanceFilter',
'PrecisionFilter', 'PriceFilter', 'RangeStabilityFilter',
'ShuffleFilter', 'SpreadFilter', 'VolatilityFilter']
AVAILABLE_PROTECTIONS = ['CooldownPeriod', 'LowProfitPairs', 'MaxDrawdown', 'StoplossGuard']
AVAILABLE_DATAHANDLERS_TRADES = ['json', 'jsongz', 'hdf5']
AVAILABLE_DATAHANDLERS = AVAILABLE_DATAHANDLERS_TRADES + ['feather', 'parquet']
AVAILABLE_PROTECTIONS = ['CooldownPeriod',
'LowProfitPairs', 'MaxDrawdown', 'StoplossGuard']
AVAILABLE_DATAHANDLERS_TRADES = ['json', 'jsongz', 'hdf5', 'feather']
AVAILABLE_DATAHANDLERS = AVAILABLE_DATAHANDLERS_TRADES + ['parquet']
BACKTEST_BREAKDOWNS = ['day', 'week', 'month']
BACKTEST_CACHE_AGE = ['none', 'day', 'week', 'month']
BACKTEST_CACHE_DEFAULT = 'day'

22
freqtrade/data/history/featherdatahandler.py
View File

@@ -4,7 +4,7 @@ from typing import Optional
from pandas import DataFrame, read_feather, to_datetime
from freqtrade.configuration import TimeRange
from freqtrade.constants import DEFAULT_DATAFRAME_COLUMNS, TradeList
from freqtrade.constants import DEFAULT_DATAFRAME_COLUMNS, DEFAULT_TRADES_COLUMNS, TradeList
from freqtrade.enums import CandleType
from .idatahandler import IDataHandler
@@ -92,12 +92,11 @@ class FeatherDataHandler(IDataHandler):
:param data: List of Lists containing trade data,
column sequence as in DEFAULT_TRADES_COLUMNS
"""
# filename = self._pair_trades_filename(self._datadir, pair)
filename = self._pair_trades_filename(self._datadir, pair)
self.create_dir_if_needed(filename)
raise NotImplementedError()
# array = pa.array(data)
# array
# feather.write_feather(data, filename)
tradesdata = DataFrame(data, columns=DEFAULT_TRADES_COLUMNS)
tradesdata.to_feather(filename, compression_level=9, compression='lz4')
def trades_append(self, pair: str, data: TradeList):
"""
@@ -116,14 +115,13 @@ class FeatherDataHandler(IDataHandler):
:param timerange: Timerange to load trades for - currently not implemented
:return: List of trades
"""
raise NotImplementedError()
# filename = self._pair_trades_filename(self._datadir, pair)
# tradesdata = misc.file_load_json(filename)
filename = self._pair_trades_filename(self._datadir, pair)
if not filename.exists():
return []
# if not tradesdata:
# return []
tradesdata = read_feather(filename)
# return tradesdata
return tradesdata.values.tolist()
@classmethod
def _get_file_extension(cls):