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Diffstat (limited to 'src/leap/bitmask/logs/utils.py')
-rw-r--r-- | src/leap/bitmask/logs/utils.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/leap/bitmask/logs/utils.py b/src/leap/bitmask/logs/utils.py new file mode 100644 index 00000000..06959c45 --- /dev/null +++ b/src/leap/bitmask/logs/utils.py @@ -0,0 +1,92 @@ +import logging +import sys + +from leap.bitmask.logs import LOG_FORMAT +from leap.bitmask.logs.log_silencer import SelectiveSilencerFilter +from leap.bitmask.logs.leap_log_handler import LeapLogHandler +from leap.bitmask.logs.streamtologger import StreamToLogger +from leap.bitmask.platform_init import IS_WIN + + +def get_logger(debug=False, logfile=None, replace_stdout=True): + """ + Create the logger and attach the handlers. + + :param debug: the level of the messages that we should log + :type debug: bool + :param logfile: the file name of where we should to save the logs + :type logfile: str + :return: the new logger with the attached handlers. + :rtype: logging.Logger + """ + # TODO: get severity from command line args + if debug: + level = logging.DEBUG + else: + level = logging.WARNING + + # Create logger and formatter + logger = logging.getLogger(name='leap') + logger.setLevel(level) + formatter = logging.Formatter(LOG_FORMAT) + + # Console handler + try: + import coloredlogs + console = coloredlogs.ColoredStreamHandler(level=level) + except ImportError: + console = logging.StreamHandler() + console.setLevel(level) + console.setFormatter(formatter) + using_coloredlog = False + else: + using_coloredlog = True + + if using_coloredlog: + replace_stdout = False + + silencer = SelectiveSilencerFilter() + console.addFilter(silencer) + logger.addHandler(console) + logger.debug('Console handler plugged!') + + # LEAP custom handler + leap_handler = LeapLogHandler() + leap_handler.setLevel(level) + leap_handler.addFilter(silencer) + logger.addHandler(leap_handler) + logger.debug('Leap handler plugged!') + + # File handler + if logfile is not None: + logger.debug('Setting logfile to %s ', logfile) + fileh = logging.FileHandler(logfile) + fileh.setLevel(logging.DEBUG) + fileh.setFormatter(formatter) + fileh.addFilter(silencer) + logger.addHandler(fileh) + logger.debug('File handler plugged!') + + if replace_stdout: + replace_stdout_stderr_with_logging(logger) + + return logger + + +def replace_stdout_stderr_with_logging(logger): + """ + 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: + sys.stdout = StreamToLogger(logger, logging.DEBUG) + sys.stderr = StreamToLogger(logger, logging.ERROR) + + # Replace twisted's logger to use our custom output. + from twisted.python import log + log.startLogging(sys.stdout) |