mirror of
https://github.com/GNS3/gns3-server
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90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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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 3 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
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Provide a pretty logging on console"""
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import logging
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import sys
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class ColouredFormatter(logging.Formatter):
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RESET = '\x1B[0m'
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RED = '\x1B[31m'
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YELLOW = '\x1B[33m'
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GREEN = '\x1B[32m'
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PINK = '\x1b[35m'
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def format(self, record, colour=False):
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message = super().format(record)
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if not colour:
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return message.replace("#RESET#", "")
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level_no = record.levelno
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if level_no >= logging.CRITICAL:
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colour = self.RED
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elif level_no >= logging.ERROR:
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colour = self.RED
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elif level_no >= logging.WARNING:
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colour = self.YELLOW
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elif level_no >= logging.INFO:
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colour = self.GREEN
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elif level_no >= logging.DEBUG:
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colour = self.PINK
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else:
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colour = self.RESET
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message = message.replace("#RESET#", self.RESET)
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message = '{colour}{message}{reset}'.format(colour=colour, message=message, reset=self.RESET)
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return message
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class ColouredStreamHandler(logging.StreamHandler):
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def format(self, record, colour=False):
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if not isinstance(self.formatter, ColouredFormatter):
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self.formatter = ColouredFormatter()
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return self.formatter.format(record, colour)
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def emit(self, record):
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stream = self.stream
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try:
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msg = self.format(record, stream.isatty())
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stream.write(msg)
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stream.write(self.terminator)
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self.flush()
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except Exception:
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self.handleError(record)
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def init_logger(level, quiet=False):
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stream_handler = ColouredStreamHandler(sys.stdout)
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stream_handler.formatter = ColouredFormatter("{asctime} {levelname:8} {filename}:{lineno}#RESET# {message}", "%Y-%m-%d %H:%M:%S", "{")
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if quiet:
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stream_handler.addFilter(logging.Filter(name="user_facing"))
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logging.getLogger('user_facing').propagate = False
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logging.basicConfig(level=level, handlers=[stream_handler])
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return logging.getLogger('user_facing')
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