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# Copyright 2011-2013 Facundo Batista
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
#
# For further info, check https://launchpad.net/encuentro
"""Logging set up."""
import logging
import os
import sys
import traceback
from logging.handlers import RotatingFileHandler
import xdg
class CustomRotatingFH(RotatingFileHandler):
"""Rotating handler that starts a new file for every run."""
def __init__(self, *args, **kwargs):
RotatingFileHandler.__init__(self, *args, **kwargs)
self.doRollover()
def exception_handler(exc_type, exc_value, tb):
"""Handle an unhandled exception."""
exception = traceback.format_exception(exc_type, exc_value, tb)
msg = "".join(exception)
print(msg, file=sys.stderr)
# log
logger = logging.getLogger('encuentro')
logger.error("Unhandled exception!\n%s", msg)
def get_filename():
"""Return the log file name."""
return os.path.join(xdg.XDG_CACHE_HOME,
'encuentro', 'encuentro.log')
def set_up(verbose):
"""Set up the logging."""
logfile = get_filename()
print("Saving logs to", repr(logfile))
logfolder = os.path.dirname(logfile)
if not os.path.exists(logfolder):
os.makedirs(logfolder)
logger = logging.getLogger('encuentro')
handler = CustomRotatingFH(logfile, maxBytes=1e6, backupCount=10)
logger.addHandler(handler)
formatter = logging.Formatter("%(asctime)s %(name)-22s %(levelname)-8s %(message)s")
handler.setFormatter(formatter)
logger.setLevel(logging.DEBUG)
if verbose:
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logger.addHandler(handler)
# hook the exception handler
sys.excepthook = exception_handler
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