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Merge pull request #1801 from freqtrade/catch_network_timeout_1789

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Catch errors on reload_markets
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Matthias 2019-04-24 22:40:52 +02:00 committed by GitHub
commit cc0c96af50
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2 changed files with 19 additions and 2 deletions
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7
freqtrade/exchange/exchange.py
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@ -222,8 +222,11 @@ class Exchange(object):
> arrow.utcnow().timestamp): > arrow.utcnow().timestamp):
return None return None
logger.debug("Performing scheduled market reload..") logger.debug("Performing scheduled market reload..")
self._api.load_markets(reload=True) try:
self._last_markets_refresh = arrow.utcnow().timestamp self._api.load_markets(reload=True)
self._last_markets_refresh = arrow.utcnow().timestamp
except ccxt.BaseError:
logger.exception("Could not reload markets.")
def validate_pairs(self, pairs: List[str]) -> None: def validate_pairs(self, pairs: List[str]) -> None:
""" """

14
freqtrade/tests/exchange/test_exchange.py
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@ -301,6 +301,20 @@ def test__reload_markets(default_conf, mocker, caplog):
assert log_has('Performing scheduled market reload..', caplog.record_tuples) assert log_has('Performing scheduled market reload..', caplog.record_tuples)
def test__reload_markets_exception(default_conf, mocker, caplog):
caplog.set_level(logging.DEBUG)
api_mock = MagicMock()
api_mock.load_markets = MagicMock(side_effect=ccxt.NetworkError)
default_conf['exchange']['markets_refresh_interval'] = 10
exchange = get_patched_exchange(mocker, default_conf, api_mock, id="binance")
# less than 10 minutes have passed, no reload
exchange._reload_markets()
assert exchange._last_markets_refresh == 0
assert log_has_re(r"Could not reload markets.*", caplog.record_tuples)
def test_validate_pairs(default_conf, mocker): # test exchange.validate_pairs directly def test_validate_pairs(default_conf, mocker): # test exchange.validate_pairs directly
api_mock = MagicMock() api_mock = MagicMock()
type(api_mock).markets = PropertyMock(return_value={ type(api_mock).markets = PropertyMock(return_value={