mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-11-18 01:34:50 +02:00
116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
#!/usr/bin/env python
|
||
# -*- coding: utf-8 -*-
|
||
#
|
||
# Copyright (C) 2015 GNS3 Technologies Inc.
|
||
#
|
||
# 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 3 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, see <http://www.gnu.org/licenses/>.
|
||
|
||
"""Provide a pretty logging on console"""
|
||
|
||
|
||
import logging
|
||
import sys
|
||
|
||
|
||
class ColouredFormatter(logging.Formatter):
|
||
RESET = '\x1B[0m'
|
||
RED = '\x1B[31m'
|
||
YELLOW = '\x1B[33m'
|
||
GREEN = '\x1B[32m'
|
||
PINK = '\x1b[35m'
|
||
|
||
def format(self, record, colour=False):
|
||
|
||
message = super().format(record)
|
||
|
||
if not colour or sys.platform.startswith("win"):
|
||
return message.replace("#RESET#", "")
|
||
|
||
level_no = record.levelno
|
||
if level_no >= logging.CRITICAL:
|
||
colour = self.RED
|
||
elif level_no >= logging.ERROR:
|
||
colour = self.RED
|
||
elif level_no >= logging.WARNING:
|
||
colour = self.YELLOW
|
||
elif level_no >= logging.INFO:
|
||
colour = self.GREEN
|
||
elif level_no >= logging.DEBUG:
|
||
colour = self.PINK
|
||
else:
|
||
colour = self.RESET
|
||
|
||
message = message.replace("#RESET#", self.RESET)
|
||
message = '{colour}{message}{reset}'.format(colour=colour, message=message, reset=self.RESET)
|
||
|
||
return message
|
||
|
||
|
||
class ColouredStreamHandler(logging.StreamHandler):
|
||
|
||
def format(self, record, colour=False):
|
||
|
||
if not isinstance(self.formatter, ColouredFormatter):
|
||
self.formatter = ColouredFormatter()
|
||
|
||
return self.formatter.format(record, colour)
|
||
|
||
def emit(self, record):
|
||
|
||
stream = self.stream
|
||
try:
|
||
msg = self.format(record, stream.isatty())
|
||
stream.write(msg)
|
||
stream.write(self.terminator)
|
||
self.flush()
|
||
# On OSX when frozen flush raise a BrokenPipeError
|
||
except BrokenPipeError:
|
||
pass
|
||
except Exception:
|
||
self.handleError(record)
|
||
|
||
|
||
class WinStreamHandler(logging.StreamHandler):
|
||
|
||
def emit(self, record):
|
||
|
||
if sys.stdin.encoding != "utf-8":
|
||
record = record
|
||
|
||
stream = self.stream
|
||
try:
|
||
msg = self.formatter.format(record, stream.isatty())
|
||
stream.write(msg.encode(stream.encoding, errors="replace").decode(stream.encoding))
|
||
stream.write(self.terminator)
|
||
self.flush()
|
||
except Exception:
|
||
self.handleError(record)
|
||
|
||
|
||
def init_logger(level, logfile=None, quiet=False):
|
||
if logfile and len(logfile) > 0:
|
||
stream_handler = logging.FileHandler(logfile)
|
||
stream_handler.formatter = ColouredFormatter("{asctime} {levelname} {filename}:{lineno} {message}", "%Y-%m-%d %H:%M:%S", "{")
|
||
elif sys.platform.startswith("win"):
|
||
stream_handler = WinStreamHandler(sys.stdout)
|
||
stream_handler.formatter = ColouredFormatter("{asctime} {levelname} {filename}:{lineno} {message}", "%Y-%m-%d %H:%M:%S", "{")
|
||
else:
|
||
stream_handler = ColouredStreamHandler(sys.stdout)
|
||
stream_handler.formatter = ColouredFormatter("{asctime} {levelname} {filename}:{lineno}#RESET# {message}", "%Y-%m-%d %H:%M:%S", "{")
|
||
if quiet:
|
||
stream_handler.addFilter(logging.Filter(name="user_facing"))
|
||
logging.getLogger('user_facing').propagate = False
|
||
logging.basicConfig(level=level, handlers=[stream_handler])
|
||
return logging.getLogger('user_facing')
|