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@KurtJacobson KurtJacobson/app.py
Created Sep 30, 2017

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SO Colored Logging Formatter Example files
#!/usr/bin/env python
# Copyright (c) 2017 Kurt Jacobson
# License: https://kcj.mit-license.org/@2017
import logging
from colored_log import ColoredFormatter
# Create top level logger
log = logging.getLogger("main")
# Add console handler using our custom ColoredFormatter
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
cf = ColoredFormatter("[%(name)s][%(levelname)s] %(message)s (%(filename)s:%(lineno)d)")
ch.setFormatter(cf)
log.addHandler(ch)
# Add file handler
fh = logging.FileHandler('app.log')
fh.setLevel(logging.DEBUG)
ff = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(ff)
log.addHandler(fh)
# Set log level
log.setLevel(logging.DEBUG)
# Log some stuff
log.debug("app has started")
log.info("Logging to 'app.log' in the script dir")
log.warning("This is my last warning, take heed")
log.error("This is an error")
log.critical("He's dead, Jim")
# Import a sub-module
import sub_module
#!/usr/bin/env python
# Copyright (c) 2017 Kurt Jacobson
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from copy import copy
from logging import Formatter
MAPPING = {
'DEBUG' : 37, # white
'INFO' : 36, # cyan
'WARNING' : 33, # yellow
'ERROR' : 31, # red
'CRITICAL': 41, # white on red bg
}
PREFIX = '\033['
SUFFIX = '\033[0m'
class ColoredFormatter(Formatter):
def __init__(self, patern):
Formatter.__init__(self, patern)
def format(self, record):
colored_record = copy(record)
levelname = colored_record.levelname
seq = MAPPING.get(levelname, 37) # default white
colored_levelname = ('{0}{1}m{2}{3}') \
.format(PREFIX, seq, levelname, SUFFIX)
colored_record.levelname = colored_levelname
return Formatter.format(self, colored_record)
# ********* Example Usage *********
def demo():
import logging
# Create logger
log = logging.getLogger(__name__)
# Add console handler
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
cf = ColoredFormatter("[%(name)s][%(levelname)s] %(message)s (%(filename)s:%(lineno)d)")
ch.setFormatter(cf)
log.addHandler(ch)
# Add file handler
fh = logging.FileHandler('demo.log')
fh.setLevel(logging.DEBUG)
ff = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(ff)
log.addHandler(fh)
# Set log level
log.setLevel(logging.DEBUG)
# Log some stuff
log.debug("Logging demo has started")
log.info("Logging to 'demo.log' in the script dir")
log.warning("This is my last warning, take heed")
log.error("This is an error")
log.critical("He's dead, Jim")
if __name__ == '__main__':
demo()
#!/usr/bin/env python
# Copyright (c) 2017 Kurt Jacobson
# License: https://kcj.mit-license.org/@2017
import logging
log = logging.getLogger('main.sub_module')
log.debug("Hello from the sub module")
@Indiana3714

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commented Jan 27, 2019

U have a version made via colorama perhaps? Since that won't work in standard CMD in Windows

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