Source code for linkcheck.director.logger

# Copyright (C) 2006-2014 Bastian Kleineidam
#
# 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.
"""Logger for aggregator instances"""
import threading
import _thread

from ..decorators import synchronized

_lock = threading.Lock()


[docs]class Logger: """Thread safe multi-logger class used by aggregator instances.""" def __init__(self, config): """Initialize basic logging variables.""" self.loggers = [config['logger']] self.loggers.extend(config['fileoutput']) self.verbose = config["verbose"] self.warnings = config["warnings"]
[docs] def start_log_output(self): """ Start output of all configured loggers. """ for logger in self.loggers: logger.start_output()
[docs] def end_log_output(self, **kwargs): """ End output of all configured loggers. """ for logger in self.loggers: logger.end_output(**kwargs)
[docs] def do_print(self, url_data): """Determine if URL entry should be logged or not.""" if self.verbose: return True if self.warnings and url_data.warnings: return True return not url_data.valid
[docs] @synchronized(_lock) def log_url(self, url_data): """Send new url to all configured loggers.""" self.check_active_loggers() do_print = self.do_print(url_data) # Only send a transport object to the loggers, not the complete # object instance. for log in self.loggers: log.log_filter_url(url_data, do_print)
[docs] @synchronized(_lock) def log_internal_error(self): """Document that an internal error occurred.""" for logger in self.loggers: logger.log_internal_error()
[docs] def check_active_loggers(self): """Check if all loggers are deactivated due to I/O errors.""" for logger in self.loggers: if logger.is_active: break else: _thread.interrupt_main()