Current File : //lib/python3/dist-packages/zeroconf/_logger.py
""" Multicast DNS Service Discovery for Python, v0.14-wmcbrine
Copyright 2003 Paul Scott-Murphy, 2014 William McBrine
This module provides a framework for the use of DNS Service Discovery
using IP multicast.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
USA
"""
import logging
import sys
from typing import Any, Dict, Union, cast
log = logging.getLogger(__name__.split('.', maxsplit=1)[0])
log.addHandler(logging.NullHandler())
def set_logger_level_if_unset() -> None:
if log.level == logging.NOTSET:
log.setLevel(logging.WARN)
set_logger_level_if_unset()
class QuietLogger:
_seen_logs: Dict[str, Union[int, tuple]] = {}
@classmethod
def log_exception_warning(cls, *logger_data: Any) -> None:
exc_info = sys.exc_info()
exc_str = str(exc_info[1])
if exc_str not in cls._seen_logs:
# log at warning level the first time this is seen
cls._seen_logs[exc_str] = exc_info
logger = log.warning
else:
logger = log.debug
logger(*(logger_data or ['Exception occurred']), exc_info=True)
@classmethod
def log_exception_debug(cls, *logger_data: Any) -> None:
log_exc_info = False
exc_info = sys.exc_info()
exc_str = str(exc_info[1])
import pprint
pprint.pprint(cls._seen_logs)
if exc_str not in cls._seen_logs:
# log the trace only on the first time
cls._seen_logs[exc_str] = exc_info
log_exc_info = True
log.debug(*(logger_data or ['Exception occurred']), exc_info=log_exc_info)
@classmethod
def log_warning_once(cls, *args: Any) -> None:
msg_str = args[0]
if msg_str not in cls._seen_logs:
cls._seen_logs[msg_str] = 0
logger = log.warning
else:
logger = log.debug
cls._seen_logs[msg_str] = cast(int, cls._seen_logs[msg_str]) + 1
logger(*args)
@classmethod
def log_exception_once(cls, exc: Exception, *args: Any) -> None:
msg_str = args[0]
if msg_str not in cls._seen_logs:
cls._seen_logs[msg_str] = 0
logger = log.warning
else:
logger = log.debug
cls._seen_logs[msg_str] = cast(int, cls._seen_logs[msg_str]) + 1
logger(*args, exc_info=exc)
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