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Handle fetching ticker for non-existing pair safe way

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This commit is contained in:
hroff-1902 2020-05-14 13:36:48 +03:00
parent 3079e18239
commit aae096c6ae
1 changed files with 8 additions and 3 deletions
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9
freqtrade/data/dataprovider.py
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@ -10,7 +10,7 @@ from typing import Any, Dict, List, Optional, Tuple
from pandas import DataFrame from pandas import DataFrame
from freqtrade.data.history import load_pair_history from freqtrade.data.history import load_pair_history
from freqtrade.exceptions import OperationalException from freqtrade.exceptions import DependencyException, OperationalException
from freqtrade.exchange import Exchange from freqtrade.exchange import Exchange
from freqtrade.state import RunMode from freqtrade.state import RunMode
@ -97,9 +97,14 @@ class DataProvider:
def ticker(self, pair: str): def ticker(self, pair: str):
""" """
Return last ticker data Return last ticker data from exchange
:param pair: Pair to get the data for
:return: Ticker dict from exchange or empty dict if ticker is not available for the pair
""" """
try:
return self._exchange.fetch_ticker(pair) return self._exchange.fetch_ticker(pair)
except DependencyException:
return {}
def orderbook(self, pair: str, maximum: int) -> Dict[str, List]: def orderbook(self, pair: str, maximum: int) -> Dict[str, List]:
""" """