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Merge pull request #1417 from mishaker/last_candle_close

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Adding "copy" as a parameter to klines. default to True
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Matthias 2018-12-22 19:14:18 +01:00 committed by GitHub
commit 30fe06aa55
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2 changed files with 9 additions and 2 deletions
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4
freqtrade/exchange/__init__.py
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@ -158,9 +158,9 @@ class Exchange(object):
"""exchange ccxt id"""
return self._api.id
def klines(self, pair: str) -> DataFrame:
def klines(self, pair: str, copy=True) -> DataFrame:
if pair in self._klines:
return self._klines[pair].copy()
return self._klines[pair].copy() if copy else self._klines[pair]
else:
return None

7
freqtrade/tests/exchange/test_exchange.py
View File

@ -814,6 +814,13 @@ def test_refresh_tickers(mocker, default_conf, caplog) -> None:
assert isinstance(exchange.klines(pair), DataFrame)
assert len(exchange.klines(pair)) > 0
# klines function should return a different object on each call
# if copy is "True"
assert exchange.klines(pair) is not exchange.klines(pair)
assert exchange.klines(pair) is not exchange.klines(pair, copy=True)
assert exchange.klines(pair, copy=True) is not exchange.klines(pair, copy=True)
assert exchange.klines(pair, copy=False) is exchange.klines(pair, copy=False)
# test caching
exchange.refresh_tickers(['IOTA/ETH', 'XRP/ETH'], '5m')