def test_download_data_options() -> None:
args = [
'--pairs-file', 'file_with_pairs', '--datadir', 'datadir/folder',
'--days', '30', '--exchange', 'binance'
]
arguments = Arguments(args, '')
arguments.common_options()
arguments.download_data_options()
args = arguments.parse_args()
assert args.pairs_file == 'file_with_pairs'
assert args.datadir == 'datadir/folder'
assert args.days == 30
assert args.exchange == 'binance'
from freqtrade.arguments import Arguments, TimeRange
from freqtrade.configuration import Configuration
from freqtrade.data.history import download_pair_history
from freqtrade.exchange import Exchange
from freqtrade.misc import deep_merge_dicts
import logging
logger = logging.getLogger('download_backtest_data')
DEFAULT_DL_PATH = 'user_data/data'
arguments = Arguments(sys.argv[1:], 'Download backtest data')
arguments.common_options()
arguments.download_data_options()
# Do not read the default config if config is not specified
# in the command line options explicitely
args = arguments.parse_args(no_default_config=True)
# Use bittrex as default exchange
exchange_name = args.exchange or 'bittrex'
pairs: List = []
configuration = Configuration(args)
config: Dict[str, Any] = {}
if args.config:
# Now expecting a list of config filenames here, not a string
