def test_start_no_data(mocker, hyperopt_conf, tmpdir) -> None:
hyperopt_conf['user_data_dir'] = Path(tmpdir)
patched_configuration_load_config_file(mocker, hyperopt_conf)
mocker.patch('freqtrade.data.history.load_pair_history',
MagicMock(return_value=pd.DataFrame))
mocker.patch(
'freqtrade.optimize.hyperopt.get_timerange',
MagicMock(return_value=(datetime(2017, 12, 10),
datetime(2017, 12, 13))))
patch_exchange(mocker)
args = [
'hyperopt', '--config', 'config.json', '--strategy',
'HyperoptableStrategy', '--hyperopt-loss', 'SharpeHyperOptLossDaily',
'--epochs', '5'
]
pargs = get_args(args)
with pytest.raises(OperationalException,
match='No data found. Terminating.'):
start_hyperopt(pargs)
# Cleanup since that failed hyperopt start leaves a lockfile.
try:
Path(Hyperopt.get_lock_filename(hyperopt_conf)).unlink()
except Exception:
pass
def start_hyperopt(args: Namespace) -> None:
"""
Start hyperopt script
:param args: Cli args from Arguments()
:return: None
"""
# Import here to avoid loading hyperopt module when it's not used
from freqtrade.optimize.hyperopt import Hyperopt
# Initialize configuration
config = setup_configuration(args, RunMode.HYPEROPT)
logger.info('Starting freqtrade in Hyperopt mode')
lock = FileLock(Hyperopt.get_lock_filename(config))
try:
with lock.acquire(timeout=1):
# Remove noisy log messages
logging.getLogger('hyperopt.tpe').setLevel(logging.WARNING)
logging.getLogger('filelock').setLevel(logging.WARNING)
# Initialize backtesting object
hyperopt = Hyperopt(config)
hyperopt.start()
except Timeout:
logger.info("Another running instance of freqtrade Hyperopt detected.")
logger.info(
"Simultaneous execution of multiple Hyperopt commands is not supported. "
"Hyperopt module is resource hungry. Please run your Hyperopts sequentially "
"or on separate machines.")
logger.info("Quitting now.")
def test_start_filelock(mocker, default_conf, caplog) -> None:
start_mock = MagicMock(
side_effect=Timeout(Hyperopt.get_lock_filename(default_conf)))
patched_configuration_load_config_file(mocker, default_conf)
mocker.patch('freqtrade.optimize.hyperopt.Hyperopt.start', start_mock)
patch_exchange(mocker)
args = ['--config', 'config.json', 'hyperopt', '--epochs', '5']
args = get_args(args)
start_hyperopt(args)
assert log_has("Another running instance of freqtrade Hyperopt detected.",
caplog)
def test_start_filelock(mocker, hyperopt_conf, caplog) -> None:
hyperopt_mock = MagicMock(
side_effect=Timeout(Hyperopt.get_lock_filename(hyperopt_conf)))
patched_configuration_load_config_file(mocker, hyperopt_conf)
mocker.patch('freqtrade.optimize.hyperopt.Hyperopt.__init__',
hyperopt_mock)
patch_exchange(mocker)
args = [
'hyperopt', '--config', 'config.json', '--hyperopt', 'DefaultHyperOpt',
'--hyperopt-loss', 'SharpeHyperOptLossDaily', '--epochs', '5'
]
pargs = get_args(args)
start_hyperopt(pargs)
assert log_has("Another running instance of freqtrade Hyperopt detected.",
caplog)
