mirror of
https://github.com/freqtrade/freqtrade.git
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119 lines
4.7 KiB
Python
119 lines
4.7 KiB
Python
import logging
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import sys
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from logging import Formatter
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from logging.handlers import BufferingHandler, RotatingFileHandler, SysLogHandler
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from typing import Any, Dict
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from freqtrade.exceptions import OperationalException
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logger = logging.getLogger(__name__)
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LOGFORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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# Initialize bufferhandler - will be used for /log endpoints
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bufferHandler = BufferingHandler(1000)
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bufferHandler.setFormatter(Formatter(LOGFORMAT))
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def _set_loggers(verbosity: int = 0, api_verbosity: str = 'info') -> None:
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"""
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Set the logging level for third party libraries
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:return: None
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"""
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logging.getLogger('requests').setLevel(
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logging.INFO if verbosity <= 1 else logging.DEBUG
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)
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logging.getLogger("urllib3").setLevel(
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logging.INFO if verbosity <= 1 else logging.DEBUG
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)
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logging.getLogger('ccxt.base.exchange').setLevel(
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logging.INFO if verbosity <= 2 else logging.DEBUG
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)
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logging.getLogger('telegram').setLevel(logging.INFO)
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logging.getLogger('werkzeug').setLevel(
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logging.ERROR if api_verbosity == 'error' else logging.INFO
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)
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def get_existing_handlers(handlertype):
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"""
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Returns Existing handler or None (if the handler has not yet been added to the root handlers).
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"""
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return next((h for h in logging.root.handlers if isinstance(h, handlertype)), None)
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def setup_logging_pre() -> None:
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"""
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Early setup for logging.
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Uses INFO loglevel and only the Streamhandler.
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Early messages (before proper logging setup) will therefore only be sent to additional
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logging handlers after the real initialization, because we don't know which
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ones the user desires beforehand.
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"""
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logging.basicConfig(
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level=logging.INFO,
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format=LOGFORMAT,
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handlers=[logging.StreamHandler(sys.stderr), bufferHandler]
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)
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def setup_logging(config: Dict[str, Any]) -> None:
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"""
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Process -v/--verbose, --logfile options
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"""
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# Log level
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verbosity = config['verbosity']
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logging.root.addHandler(bufferHandler)
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logfile = config.get('logfile')
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if logfile:
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s = logfile.split(':')
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if s[0] == 'syslog':
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# Address can be either a string (socket filename) for Unix domain socket or
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# a tuple (hostname, port) for UDP socket.
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# Address can be omitted (i.e. simple 'syslog' used as the value of
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# config['logfilename']), which defaults to '/dev/log', applicable for most
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# of the systems.
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address = (s[1], int(s[2])) if len(s) > 2 else s[1] if len(s) > 1 else '/dev/log'
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handler_sl = get_existing_handlers(SysLogHandler)
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if handler_sl:
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logging.root.removeHandler(handler_sl)
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handler_sl = SysLogHandler(address=address)
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# No datetime field for logging into syslog, to allow syslog
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# to perform reduction of repeating messages if this is set in the
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# syslog config. The messages should be equal for this.
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handler_sl.setFormatter(Formatter('%(name)s - %(levelname)s - %(message)s'))
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logging.root.addHandler(handler_sl)
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elif s[0] == 'journald': # pragma: no cover
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try:
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from systemd.journal import JournaldLogHandler
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except ImportError:
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raise OperationalException("You need the systemd python package be installed in "
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"order to use logging to journald.")
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handler_jd = get_existing_handlers(JournaldLogHandler)
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if handler_jd:
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logging.root.removeHandler(handler_jd)
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handler_jd = JournaldLogHandler()
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# No datetime field for logging into journald, to allow syslog
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# to perform reduction of repeating messages if this is set in the
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# syslog config. The messages should be equal for this.
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handler_jd.setFormatter(Formatter('%(name)s - %(levelname)s - %(message)s'))
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logging.root.addHandler(handler_jd)
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else:
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handler_rf = get_existing_handlers(RotatingFileHandler)
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if handler_rf:
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logging.root.removeHandler(handler_rf)
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handler_rf = RotatingFileHandler(logfile,
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maxBytes=1024 * 1024 * 10, # 10Mb
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backupCount=10)
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handler_rf.setFormatter(Formatter(LOGFORMAT))
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logging.root.addHandler(handler_rf)
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logging.root.setLevel(logging.INFO if verbosity < 1 else logging.DEBUG)
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_set_loggers(verbosity, config.get('api_server', {}).get('verbosity', 'info'))
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logger.info('Verbosity set to %s', verbosity)
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