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add dataframe empty check

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Eoin 2017-09-27 23:43:32 +01:00
parent 2bd51d8be3
commit 0e5edd08e5
1 changed files with 9 additions and 0 deletions
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analyze.py
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@ -96,6 +96,11 @@ def analyze_ticker(pair: str) -> DataFrame:
minimum_date = arrow.utcnow().shift(hours=-6) minimum_date = arrow.utcnow().shift(hours=-6)
data = get_ticker(pair, minimum_date) data = get_ticker(pair, minimum_date)
dataframe = parse_ticker_dataframe(data['result'], minimum_date) dataframe = parse_ticker_dataframe(data['result'], minimum_date)
if dataframe.empty:
logger.debug('Empty dataframe for pair %s', pair)
return dataframe
dataframe = populate_indicators(dataframe) dataframe = populate_indicators(dataframe)
dataframe = populate_buy_trend(dataframe) dataframe = populate_buy_trend(dataframe)
return dataframe return dataframe
@ -107,6 +112,10 @@ def get_buy_signal(pair: str) -> bool:
:return: True if pair is good for buying, False otherwise :return: True if pair is good for buying, False otherwise
""" """
dataframe = analyze_ticker(pair) dataframe = analyze_ticker(pair)
if dataframe.empty:
return False
latest = dataframe.iloc[-1] latest = dataframe.iloc[-1]
# Check if dataframe is out of date # Check if dataframe is out of date