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Fix double logging

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This commit is contained in:
Matthias 2020-11-25 14:31:34 +01:00
parent 99b67348b2
commit 0104c9fde6
1 changed files with 19 additions and 3 deletions
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22
freqtrade/loggers.py
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@ -37,6 +37,13 @@ def _set_loggers(verbosity: int = 0, api_verbosity: str = 'info') -> None:
)
def get_existing_handlers(handlertype):
"""
Returns Existing handler or None (if the handler has not yet been added to the root handlers).
"""
return next((h for h in logging.root.handlers if isinstance(h, handlertype)), None)
def setup_logging_pre() -> None:
"""
Early setup for logging.
@ -71,18 +78,24 @@ def setup_logging(config: Dict[str, Any]) -> None:
# config['logfilename']), which defaults to '/dev/log', applicable for most
# of the systems.
address = (s[1], int(s[2])) if len(s) > 2 else s[1] if len(s) > 1 else '/dev/log'
handler = SysLogHandler(address=address)
handler_sl = get_existing_handlers(SysLogHandler)
if handler_sl:
logging.root.removeHandler(handler_sl)
handler_sl = SysLogHandler(address=address)
# No datetime field for logging into syslog, to allow syslog
# to perform reduction of repeating messages if this is set in the
# syslog config. The messages should be equal for this.
handler.setFormatter(Formatter('%(name)s - %(levelname)s - %(message)s'))
logging.root.addHandler(handler)
handler_sl.setFormatter(Formatter('%(name)s - %(levelname)s - %(message)s'))
logging.root.addHandler(handler_sl)
elif s[0] == 'journald':
try:
from systemd.journal import JournaldLogHandler
except ImportError:
raise OperationalException("You need the systemd python package be installed in "
"order to use logging to journald.")
handler_jd = get_existing_handlers(JournaldLogHandler)
if handler_jd:
logging.root.removeHandler(handler_jd)
handler_jd = JournaldLogHandler()
# No datetime field for logging into journald, to allow syslog
# to perform reduction of repeating messages if this is set in the
@ -90,6 +103,9 @@ def setup_logging(config: Dict[str, Any]) -> None:
handler_jd.setFormatter(Formatter('%(name)s - %(levelname)s - %(message)s'))
logging.root.addHandler(handler_jd)
else:
handler_rf = get_existing_handlers(RotatingFileHandler)
if handler_rf:
logging.root.removeHandler(handler_rf)
handler_rf = RotatingFileHandler(logfile,
maxBytes=1024 * 1024 * 10, # 10Mb
backupCount=10)