kiwi.logger_filter

  1# Copyright (c) 2015 SUSE Linux GmbH.  All rights reserved.
  2#
  3# This file is part of kiwi.
  4#
  5# kiwi is free software: you can redistribute it and/or modify
  6# it under the terms of the GNU General Public License as published by
  7# the Free Software Foundation, either version 3 of the License, or
  8# (at your option) any later version.
  9#
 10# kiwi is distributed in the hope that it will be useful,
 11# but WITHOUT ANY WARRANTY; without even the implied warranty of
 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13# GNU General Public License for more details.
 14#
 15# You should have received a copy of the GNU General Public License
 16# along with kiwi.  If not, see <http://www.gnu.org/licenses/>
 17#
 18import logging
 19
 20
 21class LoggerSchedulerFilter(logging.Filter):
 22    """
 23    **Extended standard logging Filter**
 24    """
 25    def filter(self, record: logging.LogRecord) -> bool:
 26        """
 27        Messages from apscheduler scheduler instances are filtered out
 28        They conflict with console progress information
 29
 30        :param tuple record: logging message record
 31
 32        :return: True|False
 33
 34        :rtype: bool
 35        """
 36        ignorables = [
 37            'apscheduler.scheduler',
 38            'apscheduler.executors.default'
 39        ]
 40        return bool(record.name not in ignorables)
 41
 42
 43class InfoFilter(logging.Filter):
 44    """
 45    **Extended standard logging Filter**
 46    """
 47    def filter(self, record: logging.LogRecord) -> bool:
 48        """
 49        Only messages with record level INFO can pass
 50        for messages with another level an extra handler is used
 51
 52        :param tuple record: logging message record
 53
 54        :return: True|False
 55
 56        :rtype: bool
 57        """
 58        return True if record.levelno == logging.INFO else False
 59
 60
 61class DebugFilter(logging.Filter):
 62    """
 63    **Extended standard debug logging Filter**
 64    """
 65    def filter(self, record: logging.LogRecord) -> bool:
 66        """
 67        Only messages with record level DEBUG can pass
 68        for messages with another level an extra handler is used
 69
 70        :param tuple record: logging message record
 71
 72        :return: True|False
 73
 74        :rtype: bool
 75        """
 76        return True if record.levelno == logging.DEBUG else False
 77
 78
 79class ErrorFilter(logging.Filter):
 80    """
 81    **Extended standard error logging Filter**
 82    """
 83    def filter(self, record: logging.LogRecord) -> bool:
 84        """
 85        Only messages with record level DEBUG can pass
 86        for messages with another level an extra handler is used
 87
 88        :param tuple record: logging message record
 89
 90        :return: True|False
 91
 92        :rtype: bool
 93        """
 94        return True if record.levelno == logging.ERROR else False
 95
 96
 97class WarningFilter(logging.Filter):
 98    """
 99    **Extended standard warning logging Filter**
100    """
101    def filter(self, record: logging.LogRecord) -> bool:
102        """
103        Only messages with record level WARNING can pass
104        for messages with another level an extra handler is used
105
106        :param tuple record: logging message record
107
108        :return: True|False
109
110        :rtype: bool
111        """
112        return True if record.levelno == logging.WARNING else False