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# -*- coding: utf-8 -*-
# utils.py
# Copyright (C) 2013, 2014, 2015 LEAP
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
"""
Logs utilities
"""
import os
import sys
from leap.bitmask.config import flags
from leap.bitmask.logs import LOG_FORMAT
from leap.bitmask.logs.log_silencer import SelectiveSilencerFilter
from leap.bitmask.logs.safezmqhandler import SafeZMQHandler
# from leap.bitmask.logs.streamtologger import StreamToLogger
from leap.bitmask.platform_init import IS_WIN
from leap.bitmask.util import get_path_prefix
from leap.common.files import mkdir_p
import logbook
from logbook.more import ColorizedStderrHandler
# NOTE: make sure that the folder exists, the logger is created before saving
# settings on the first run.
_base = os.path.join(get_path_prefix(), "leap")
mkdir_p(_base)
BITMASK_LOG_FILE = os.path.join(_base, 'bitmask.log')
def get_logger(perform_rollover=False):
"""
Push to the app stack the needed handlers and return a Logger object.
:rtype: logbook.Logger
"""
level = logbook.WARNING
if flags.DEBUG:
level = logbook.NOTSET
# This handler consumes logs not handled by the others
null_handler = logbook.NullHandler(bubble=False)
null_handler.push_application()
silencer = SelectiveSilencerFilter()
zmq_handler = SafeZMQHandler('tcp://127.0.0.1:5000', multi=True,
level=level, filter=silencer.filter)
zmq_handler.push_application()
file_handler = logbook.RotatingFileHandler(
BITMASK_LOG_FILE, format_string=LOG_FORMAT, bubble=True,
filter=silencer.filter, max_size=sys.maxint)
if perform_rollover:
file_handler.perform_rollover()
file_handler.push_application()
# don't use simple stream, go for colored log handler instead
# stream_handler = logbook.StreamHandler(sys.stdout,
# format_string=LOG_FORMAT,
# bubble=True)
# stream_handler.push_application()
stream_handler = ColorizedStderrHandler(
level=level, format_string=LOG_FORMAT, bubble=True,
filter=silencer.filter)
stream_handler.push_application()
logger = logbook.Logger('leap')
return logger
def replace_stdout_stderr_with_logging(logger=None):
"""
NOTE:
we are not using this right now (see commented lines on app.py),
this needs to be reviewed since the log handler has changed.
Replace:
- the standard output
- the standard error
- the twisted log output
with a custom one that writes to the logger.
"""
# Disabling this on windows since it breaks ALL THE THINGS
# The issue for this is #4149
if not IS_WIN:
# logger = get_logger()
# sys.stdout = StreamToLogger(logger, logbook.NOTSET)
# sys.stderr = StreamToLogger(logger, logging.ERROR)
# Replace twisted's logger to use our custom output.
from twisted.python import log
log.startLogging(sys.stdout)
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