freqtrade_origin/freqtrade/main.py
2019-05-30 21:00:16 +03:00

72 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Main Freqtrade bot script.
Read the documentation to know what cli arguments you need.
"""
import sys
# check min. python version
if sys.version_info < (3, 6):
sys.exit("Freqtrade requires Python version >= 3.6")
# flake8: noqa E402
import logging
from argparse import Namespace
from typing import Any, List
from freqtrade import OperationalException
from freqtrade.arguments import Arguments
from freqtrade.configuration import set_loggers
from freqtrade.worker import Worker
logger = logging.getLogger('freqtrade')
def main(sysargv: List[str] = None) -> None:
"""
This function will initiate the bot and start the trading loop.
:return: None
"""
return_code: Any = 1
worker = None
try:
set_loggers()
arguments = Arguments(
sysargv,
'Free, open source crypto trading bot'
)
args: Namespace = arguments.get_parsed_arg()
# A subcommand has been issued.
# Means if Backtesting or Hyperopt have been called we exit the bot
if hasattr(args, 'func'):
args.func(args)
# TODO: fetch return_code as returned by the command function here
return_code = 0
else:
# Load and run worker
worker = Worker(args)
worker.run()
except SystemExit as e:
return_code = e
except KeyboardInterrupt:
logger.info('SIGINT received, aborting ...')
return_code = 0
except OperationalException as e:
logger.error(str(e))
return_code = 2
except Exception:
logger.exception('Fatal exception!')
finally:
if worker:
worker.exit()
sys.exit(return_code)
if __name__ == '__main__':
main()