stable/freqtrade/main.py

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#!/usr/bin/env python3
"""
Main Freqtrade bot script.
Read the documentation to know what cli arguments you need.
"""
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# flake8: noqa E402
import logging
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import sys
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from typing import Any, List
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# check min. python version
if sys.version_info < (3, 6):
sys.exit("Freqtrade requires Python version >= 3.6")
from freqtrade.commands import Arguments
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from freqtrade.exceptions import FreqtradeException, OperationalException
from freqtrade.loggers import setup_logging_pre
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logger = logging.getLogger('freqtrade')
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def main(sysargv: List[str] = None) -> None:
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"""
This function will initiate the bot and start the trading loop.
:return: None
"""
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return_code: Any = 1
try:
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setup_logging_pre()
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arguments = Arguments(sysargv)
args = arguments.get_parsed_arg()
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# Call subcommand.
if 'func' in args:
return_code = args['func'](args)
else:
# No subcommand was issued.
raise OperationalException(
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"Usage of Freqtrade requires a subcommand to be specified.\n"
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"To have the bot executing trades in live/dry-run modes, "
"depending on the value of the `dry_run` setting in the config, run Freqtrade "
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"as `freqtrade trade [options...]`.\n"
"To see the full list of options available, please use "
"`freqtrade --help` or `freqtrade <command> --help`."
)
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except SystemExit as e:
return_code = e
except KeyboardInterrupt:
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logger.info('SIGINT received, aborting ...')
return_code = 0
except FreqtradeException as e:
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logger.error(str(e))
return_code = 2
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except Exception:
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logger.exception('Fatal exception!')
finally:
sys.exit(return_code)
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if __name__ == '__main__':
main()