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79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
# Copyright (C) 2006-2014 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""Logger for aggregator instances"""
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import threading
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import _thread
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from ..decorators import synchronized
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_lock = threading.Lock()
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class Logger:
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"""Thread safe multi-logger class used by aggregator instances."""
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def __init__(self, config):
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"""Initialize basic logging variables."""
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self.loggers = [config['logger']]
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self.loggers.extend(config['fileoutput'])
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self.verbose = config["verbose"]
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self.warnings = config["warnings"]
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def start_log_output(self):
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"""
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Start output of all configured loggers.
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"""
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for logger in self.loggers:
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logger.start_output()
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def end_log_output(self, **kwargs):
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"""
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End output of all configured loggers.
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"""
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for logger in self.loggers:
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logger.end_output(**kwargs)
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def do_print(self, url_data):
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"""Determine if URL entry should be logged or not."""
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if self.verbose:
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return True
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if self.warnings and url_data.warnings:
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return True
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return not url_data.valid
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@synchronized(_lock)
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def log_url(self, url_data):
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"""Send new url to all configured loggers."""
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self.check_active_loggers()
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do_print = self.do_print(url_data)
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# Only send a transport object to the loggers, not the complete
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# object instance.
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for log in self.loggers:
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log.log_filter_url(url_data, do_print)
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@synchronized(_lock)
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def log_internal_error(self):
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"""Document that an internal error occurred."""
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for logger in self.loggers:
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logger.log_internal_error()
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def check_active_loggers(self):
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"""Check if all loggers are deactivated due to I/O errors."""
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for logger in self.loggers:
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if logger.is_active:
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break
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else:
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_thread.interrupt_main()
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