# logging

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Impossible Impala answered on June 4, 2021 Popularity 10/10 Helpfulness 2/10

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# logging

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# logging
import logging

# log the execution time and a message of an action
logging.basicConfig(filename='fileName.log',
                    level=logging.INFO,
					format='%(levelname)s:%(asctime)s:%(message)s',
					datefmt="%Y-%m-%d %H:%M:%S")

logging.info('ADD TWO NUMBERS')
print(5+5)

# output in console -> 10
# output in fileName.log -> INFO:2021-12-25 17:47:27:ADD TWO NUMBERS
# Logging is a means of tracking events that happen when some software runs. Logging is important for software developing, debugging and running. If you don’t have any logging record and your program crashes, there are very little chances that you detect the cause of the problem.

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Tags: logging python

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Contributed on Mar 27 2022

Impossible Impala

0 Answers Avg Quality 2/10

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logging python

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#!/usr/bin/env python

import logging

logging.basicConfig(filename='test.log', format='%(filename)s: %(message)s',
                    level=logging.DEBUG)

logging.debug('This is a debug message')
logging.info('This is an info message')
logging.warning('This is a warning message')
logging.error('This is an error message')
logging.critical('This is a critical message')

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Source: zetcode.com

Tags: logging

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Contributed on Mar 01 2022

Dante

0 Answers Avg Quality 2/10

python logging

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import logging
import sys

logger = logging.getLogger()
logger.setLevel(logging.INFO)
formatter = logging.Formatter('%(asctime)s | %(levelname)s | %(message)s', 
                              '%m-%d-%Y %H:%M:%S')

stdout_handler = logging.StreamHandler(sys.stdout)
stdout_handler.setLevel(logging.DEBUG)
stdout_handler.setFormatter(formatter)

file_handler = logging.FileHandler('logs.log')
file_handler.setLevel(logging.DEBUG)
file_handler.setFormatter(formatter)

logger.addHandler(file_handler)
logger.addHandler(stdout_handler)

########### Simple way #############
import logging

logging.basicConfig(filename='test.log', format='%(filename)s: %(message)s',
                    level=logging.DEBUG)

logging.debug('This is a debug message')
logging.info('This is an info message')
logging.warning('This is a warning message')
logging.error('This is an error message')
logging.critical('This is a critical message')

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Source: Grepper

Tags: python py

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Contributed on Feb 23 2024

Innocent Iguana

0 Answers Avg Quality 2/10

logging.basicConfig()

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import logging  
  
#Create and configure logger using the basicConfig() function  
logging.basicConfig(filename="newfile.log",  
               format='%(asctime)s %(message)s',  
               filemode='w')  
  
#Creating an object of the logging  
logger=logging.getLogger()  
  
#Setting the threshold of logger to DEBUG  
logger.setLevel(logging.DEBUG)  
  
#Test messages  
logger.debug("This is a harmless debug Message")  
logger.info("This is just an information")  
logger.warning("It is a Warning. Please make changes")  
logger.error("You are trying to divide by zero")  
logger.critical("Internet is down")

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Tags: python py

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Contributed on Oct 19 2022

PythonPower

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logging python

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# simple logging example
import logging

level = logging.DEBUG
logging_format = "[%(levelname)s] %(asctime)s - %(message)s"
logging.basicConfig(level = level, format=logging_format)

def print_vs_logging():
    logging.debug("What is the value of this variable")
    logging.info("Just FYI")
    logging.error("We found the error")

print_vs_logging()

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Contributed on Aug 26 2022

Wojak's distant cousin

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Python Logging

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# importing module
import logging
 
# Create and configure logger
logging.basicConfig(filename="newfile.log",
                    format='%(asctime)s %(message)s',
                    filemode='w')
 
# Creating an object
logger = logging.getLogger()
 
# Setting the threshold of logger to DEBUG
logger.setLevel(logging.DEBUG)
 
# Test messages
logger.debug("Harmless debug Message")
logger.info("Just an information")
logger.warning("Its a Warning")
logger.error("Did you try to divide by zero")
logger.critical("Internet is down")

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Source: www.geeksforgeeks.org

Tags: python py

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Contributed on Sep 17 2022

Vivacious Vulture

0 Answers Avg Quality 2/10

python logging

Comment

# Example usage:
# For now, this is how I like to set up logging in Python:

import logging

# instantiate the root (parent) logger object (this is what gets called
# to create log messages)
root_logger = logging.getLogger()
# remove the default StreamHandler which isn't formatted well
root_logger.handlers = []
# set the lowest-severity log message to be included by the root_logger (this
# doesn't need to be set for each of the handlers that are added to the
# root_logger later because handlers inherit the logging level of their parent
# if their level is left unspecified. The root logger uses WARNING by default)
root_logger.setLevel(logging.INFO)

# create the file_handler, which controls log messages which will be written
# to a log file (the default write mode is append)
file_handler = logging.FileHandler('/path/to/logfile.log')
# create the console_handler (which enables log messages to be sent to stdout)
console_handler = logging.StreamHandler()

# create the formatter, which controls the format of the log messages
# I like this format which includes the following information:
# 2022-04-01 14:03:03,446 - script_name.py - function_name - Line: 461 - INFO - Log message.
formatter = logging.Formatter('%(asctime)s - %(filename)s - %(funcName)s - Line: %(lineno)d - %(levelname)s - %(message)s')
# add the formatter to the handlers so they get formatted as desired
file_handler.setFormatter(formatter)
console_handler.setFormatter(formatter)

# set the severity level of the console_hander to ERROR so that only messages
# of severity ERROR or higher are printed to the console
console_handler.setLevel(logging.ERROR)

# add the handlers to the root_logger
root_logger.addHandler(file_handler)
root_logger.addHandler(console_handler)


# given the above setup
# running this line will append the info message to the /path/to/logfile.log
# but won't print to the console
root_logger.INFO("A casual message.")
# running this line will append the error message to the /path/to/logfile.log
# and will print it to the console
root_logger.ERROR("A serious issue!")

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Source: docs.python.org

Tags: python py

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Contributed on Apr 04 2022

Charles-Alexandre Roy

0 Answers Avg Quality 2/10

Exception logging

Comment

import logging 
from functools import wraps

# Example from: https://www.geeksforgeeks.org/create-an-exception-logging-decorator-in-python/

def create_logger(): 
	
	# create a logger object 
	logger = logging.getLogger('exc_logger') 
	logger.setLevel(logging.INFO) 
	
	#c reate a file to store all the 
	# logged exceptions 
	logfile = logging.FileHandler('exc_logger.log') 
	
	fmt = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
	formatter = logging.Formatter(fmt) 
	
	logfile.setFormatter(formatter) 
	logger.addHandler(logfile) 
	
	return logger 

logger = create_logger() 

# you will find a log file 
# created in a given path 
print(logger) 

def exception(logger):
    def decorator(func):
        @wraps(func)
        def wrapper(*args, **kwargs):
            try:
                return func(*args, **kwargs)
            except:
                issue = "exception in "+func.__name__+"\n"
                issue = issue+"=============\n"
                logger.exception(issue)
                raise
        return wrapper
    return decorator 


@exception(logger) 
def divideByZero(): 
	return 12/0

# Driver Code 
if __name__ == '__main__': 
	divideByZero()

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Source: Grepper

Tags: exception-logging exception-loggin

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Contributed on May 17 2022

Ugly Unicorn

0 Answers Avg Quality 2/10

python logging

Comment

# For example usage:
# For now, this is how I like to set up logging in Python:

import logging

# instantiate the root (parent) logger object (this is what gets called
# to create log messages)
root_logger = logging.getLogger()
# remove the default StreamHandler which isn't formatted well
root_logger.handlers = []
# set the lowest-severity log message to be included by the root_logger (this
# doesn't need to be set for each of the handlers that are added to the
# root_logger later because handlers inherit the logging level of their parent
# if their level is left unspecified. The root logger uses WARNING by default)
root_logger.setLevel(logging.INFO)

# create the file_handler, which controls log messages which will be written
# to a log file (the default write mode is append)
file_handler = logging.FileHandler('/path/to/logfile.log')
# create the console_handler (which enables log messages to be sent to stdout)
console_handler = logging.StreamHandler()

# create the formatter, which controls the format of the log messages
# I like this format which includes the following information:
# 2022-04-01 14:03:03,446 - script_name.py - function_name - Line: 461 - INFO - Log message.
formatter = logging.Formatter('%(asctime)s - %(filename)s - %(funcName)s - Line: %(lineno)d - %(levelname)s - %(message)s')
# add the formatter to the handlers so they get formatted as desired
file_handler.setFormatter(formatter)
console_handler.setFormatter(formatter)

# set the severity level of the console_hander to ERROR so that only messages
# of severity ERROR or higher are printed to the console
console_handler.setLevel(logging.ERROR)

# add the handlers to the root_logger
root_logger.addHandler(file_handler)
root_logger.addHandler(console_handler)


# given the above setup
# running this line will append the info message to the /path/to/logfile.log
# but won't print to the console
root_logger.INFO("A casual message.")
# running this line will append the error message to the /path/to/logfile.log
# and will print it to the console
root_logger.ERROR("A serious issue!")

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Source: Grepper

Tags: python py

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Contributed on Mar 01 2023

Zakaria Hassan

0 Answers Avg Quality 2/10

logging python

Comment

logging.basicConfig(filename='example.log', filemode='w', level=logging.DEBUG)

Popularity 10/10 Helpfulness 2/10 Language python

Source: docs.python.org

Tags: logging

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Contributed on Jun 04 2021

Tender Toucan

0 Answers Avg Quality 2/10

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