# Copyright (C) 1998,1999,2000,2001,2002 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""A mutiple sink logger. Any message written goes to all sub-loggers."""
import sys
from Mailman.Logging.Utils import _logexc
class MultiLogger:
def __init__(self, *args):
self.__loggers = []
for logger in args:
self.__loggers.append(logger)
def add_logger(self, logger):
if logger not in self.__loggers:
self.__loggers.append(logger)
def del_logger(self, logger):
if logger in self.__loggers:
self.__loggers.remove(logger)
def write(self, msg):
for logger in self.__loggers:
# you want to be sure that a bug in one logger doesn't prevent
# logging to all the other loggers
try:
logger.write(msg)
except:
_logexc(logger, msg)
def writelines(self, lines):
for line in lines:
self.write(line)
def flush(self):
for logger in self.__loggers:
if hasattr(logger, 'flush'):
# you want to be sure that a bug in one logger doesn't prevent
# logging to all the other loggers
try:
logger.flush()
except:
_logexc(logger)
def close(self):
for logger in self.__loggers:
# you want to be sure that a bug in one logger doesn't prevent
# logging to all the other loggers
try:
if logger <> sys.__stderr__ and logger <> sys.__stdout__:
logger.close()
except:
_logexc(logger)
def reprime(self):
for logger in self.__loggers:
try:
logger.reprime()
except AttributeError:
pass
