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catch errors found in #1491

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Matthias 2019-01-19 20:02:37 +01:00
parent e8423d8155
commit 30e3b52b1e
1 changed files with 14 additions and 6 deletions
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20
freqtrade/exchange/__init__.py
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@ -556,12 +556,17 @@ class Exchange(object):
tickers = await asyncio.gather(*input_coroutines, return_exceptions=True) tickers = await asyncio.gather(*input_coroutines, return_exceptions=True)
# handle caching # handle caching
for pair, ticks in tickers: for res in tickers:
if isinstance(res, Exception):
logger.warning("Async code raised an exception: %s", res.__class__.__name__)
continue
pair = res[0]
ticks = res[1]
# keeping last candle time as last refreshed time of the pair # keeping last candle time as last refreshed time of the pair
if ticks: if ticks:
self._pairs_last_refresh_time[pair] = ticks[-1][0] // 1000 self._pairs_last_refresh_time[pair] = ticks[-1][0] // 1000
# keeping parsed dataframe in cache # keeping parsed dataframe in cache
self._klines[pair] = parse_ticker_dataframe(ticks, tick_interval, fill_missing=True) self._klines[pair] = parse_ticker_dataframe(ticks, tick_interval, fill_missing=True)
return tickers return tickers
@retrier_async @retrier_async
@ -578,9 +583,12 @@ class Exchange(object):
# Ex: Bittrex returns a list of tickers ASC (oldest first, newest last) # Ex: Bittrex returns a list of tickers ASC (oldest first, newest last)
# when GDAX returns a list of tickers DESC (newest first, oldest last) # when GDAX returns a list of tickers DESC (newest first, oldest last)
# Only sort if necessary to save computing time # Only sort if necessary to save computing time
if data and data[0][0] > data[-1][0]: try:
data = sorted(data, key=lambda x: x[0]) if data and data[0][0] > data[-1][0]:
data = sorted(data, key=lambda x: x[0])
except IndexError:
logger.exception("Error loading %s. Result was %s.", pair, data)
return pair, None
logger.debug("done fetching %s ...", pair) logger.debug("done fetching %s ...", pair)
return pair, data return pair, data