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"""Logging module configuration for Sugar"""
# Copyright (C) 2006-2007 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import sys
import os
import logging
import time
_MAX_BACKUP_DIRS = 3
def setup_logs_dir():
logs_dir = get_logs_dir()
if not os.path.isdir(logs_dir):
os.makedirs(logs_dir)
backup_logs = []
backup_dirs = []
for f in os.listdir(logs_dir):
path = os.path.join(logs_dir, f)
if os.path.isfile(path):
backup_logs.append(f)
elif os.path.isdir(path):
backup_dirs.append(path)
if len(backup_dirs) > _MAX_BACKUP_DIRS:
backup_dirs.sort()
root = backup_dirs[0]
for f in os.listdir(root):
os.remove(os.path.join(root, f))
os.rmdir(root)
if len(backup_logs) > 0:
name = str(int(time.time()))
backup_dir = os.path.join(logs_dir, name)
os.mkdir(backup_dir)
for log in backup_logs:
source_path = os.path.join(logs_dir, log)
dest_path = os.path.join(backup_dir, log)
os.rename(source_path, dest_path)
def get_logs_dir():
profile = os.environ.get('SUGAR_PROFILE', 'default')
logs_dir = os.path.join(os.path.expanduser('~'),
'.sugar', profile, 'logs')
return logs_dir
def set_level(level):
levels = { 'error' : logging.ERROR,
'warning' : logging.WARNING,
'debug' : logging.DEBUG,
'info' : logging.INFO }
if levels.has_key(level):
logging.getLogger('').setLevel(levels[level])
def start(log_filename=None, redirect_io=False):
if os.environ.has_key('SUGAR_LOGGER_LEVEL'):
set_level(os.environ['SUGAR_LOGGER_LEVEL'])
if log_filename:
log_path = os.path.join(get_logs_dir(), log_filename + '.log')
log_file = open(log_path, 'w')
handler = logging.StreamHandler(log_file)
logging.getLogger('').addHandler(handler)
if redirect_io:
os.dup2(log_file.fileno(), sys.stdout.fileno())
os.dup2(log_file.fileno(), sys.stderr.fileno())
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