stable/freqtrade/utils.py

100 lines
3.2 KiB
Python
Raw Normal View History

2019-06-12 09:33:20 +00:00
import logging
import sys
2019-06-12 09:33:20 +00:00
from argparse import Namespace
from pathlib import Path
2019-06-12 09:33:20 +00:00
from typing import Any, Dict
import arrow
from freqtrade.configuration import Configuration, TimeRange
from freqtrade.data.history import download_pair_history
2019-06-16 08:39:43 +00:00
from freqtrade.exchange import available_exchanges
from freqtrade.resolvers import ExchangeResolver
2019-06-12 09:33:20 +00:00
from freqtrade.state import RunMode
logger = logging.getLogger(__name__)
2019-06-16 18:37:43 +00:00
def setup_utils_configuration(args: Namespace, method: RunMode) -> Dict[str, Any]:
2019-06-12 09:33:20 +00:00
"""
2019-06-16 18:37:43 +00:00
Prepare the configuration for utils subcommands
2019-06-12 09:33:20 +00:00
:param args: Cli args from Arguments()
:return: Configuration
"""
configuration = Configuration(args, method)
config = configuration.get_config()
2019-06-12 09:33:20 +00:00
2019-06-16 18:37:43 +00:00
config['exchange']['dry_run'] = True
2019-06-12 09:33:20 +00:00
# Ensure we do not use Exchange credentials
config['exchange']['key'] = ''
config['exchange']['secret'] = ''
return config
def start_list_exchanges(args: Namespace) -> None:
"""
Print available exchanges
2019-06-12 09:33:20 +00:00
:param args: Cli args from Arguments()
:return: None
"""
if args.print_one_column:
2019-06-16 08:39:43 +00:00
print('\n'.join(available_exchanges()))
2019-06-12 09:33:20 +00:00
else:
print(f"Exchanges supported by ccxt and available for Freqtrade: "
2019-06-16 08:39:43 +00:00
f"{', '.join(available_exchanges())}")
def start_download_data(args: Namespace) -> None:
"""
Download data based
"""
config = setup_utils_configuration(args, RunMode.OTHER)
timerange = TimeRange()
if 'days' in config:
time_since = arrow.utcnow().shift(days=-config['days']).strftime("%Y%m%d")
timerange = TimeRange.parse_timerange(f'{time_since}-')
dl_path = Path(config['datadir'])
logger.info(f'About to download pairs: {config["pairs"]}, '
f'intervals: {config["timeframes"]} to {dl_path}')
pairs_not_available = []
try:
# Init exchange
exchange = ExchangeResolver(config['exchange']['name'], config).exchange
for pair in config["pairs"]:
if pair not in exchange._api.markets:
pairs_not_available.append(pair)
logger.info(f"Skipping pair {pair}...")
continue
for ticker_interval in config["timeframes"]:
pair_print = pair.replace('/', '_')
filename = f'{pair_print}-{ticker_interval}.json'
dl_file = dl_path.joinpath(filename)
if args.erase and dl_file.exists():
logger.info(
f'Deleting existing data for pair {pair}, interval {ticker_interval}.')
dl_file.unlink()
logger.info(f'Downloading pair {pair}, interval {ticker_interval}.')
download_pair_history(datadir=dl_path, exchange=exchange,
pair=pair, ticker_interval=str(ticker_interval),
timerange=timerange)
except KeyboardInterrupt:
sys.exit("SIGINT received, aborting ...")
finally:
if pairs_not_available:
logger.info(
f"Pairs [{','.join(pairs_not_available)}] not available "
f"on exchange {config['exchange']['name']}.")
# configuration.resolve_pairs_list()
print(config)