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Questions tagged [python-logging]

"logging" is a python module used for logging output to the console. Mainly used for debugging.

The logging module is a python module for logging output to the console. Most often it is used for debugging a program by printing output when specific conditions are met.

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python exception message capturing

import ftplib import urllib2 import os import logging logger = logging.getLogger('ftpuploader') hdlr = logging.FileHandler('ftplog.log') formatter = logging.Formatter('%(asctime)s %(levelname)s…
Hellnar
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How do I log a Python error with debug information?

I am printing Python exception messages to a log file with logging.error: import logging try: 1/0 except ZeroDivisionError as e: logging.error(e) # ERROR:root:division by zero Is it possible to print more detailed information about the…
probably at the beach
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Making Python loggers output all messages to stdout in addition to log file

Is there a way to make Python logging using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I'd like all calls to logger.warning, logger.critical, logger.error to go to…
user248237
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logger configuration to log to file and print to stdout

I'm using Python's logging module to log some debug strings to a file which works pretty well. Now in addition, I'd like to use this module to also print the strings out to stdout. How do I do this? In order to log my strings to a file I use…
stdcerr
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How can I color Python logging output?

Some time ago, I saw a Mono application with colored output, presumably because of its log system (because all the messages were standardized). Now, Python has the logging module, which lets you specify a lot of options to customize output. So, I'm…
airmind
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How do I disable log messages from the Requests library?

By default, the Requests python library writes log messages to the console, along the lines of: Starting new HTTP connection (1): example.com http://example.com:80 "GET / HTTP/1.1" 200 606 I'm usually not interested in these messages, and would…
aknuds1
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Using logging in multiple modules

I have a small python project that has the following structure - Project -- pkg01 -- test01.py -- pkg02 -- test02.py -- logging.conf I plan to use the default logging module to print messages to stdout and a log file. To use the logging…
Quest Monger
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How to Customize the time format for Python logging?

I am new to Python's logging package and plan to use it for my project. I would like to customize the time format to my taste. Here is a short code I copied from a tutorial: import logging # create logger logger =…
Hai Vu
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How should I log while using multiprocessing in Python?

Right now I have a central module in a framework that spawns multiple processes using the Python 2.6 multiprocessing module. Because it uses multiprocessing, there is module-level multiprocessing-aware log, LOG = multiprocessing.get_logger(). Per…
cdleary
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How to write to a file, using the logging Python module?

How can I use the logging module in Python to write to a file? Every time I try to use it, it just prints out the message.
Takkun
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How to obtain a Thread id in Python?

I have a multi-threading Python program, and a utility function, writeLog(message), that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message. I would…
Charles Anderson
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Python logging: use milliseconds in time format

By default logging.Formatter('%(asctime)s') prints with the following format: 2011-06-09 10:54:40,638 where 638 is the millisecond. I need to change the comma to a dot: 2011-06-09 10:54:40.638 To format the time I can…
Jonathan Livni
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Logging uncaught exceptions in Python

How do you cause uncaught exceptions to output via the logging module rather than to stderr? I realize the best way to do this would be: try: raise Exception, 'Throwing a boring exception' except Exception, e: logging.exception(e) But my…
Jacob Marble
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Logging within pytest tests

I would like to put some logging statements within test function to examine some state variables. I have the following code snippet: import pytest,os import logging logging.basicConfig(level=logging.DEBUG) mylogger =…
superselector
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Python logging not outputting anything

In a python script I am writing, I am trying to log events using the logging module. I have the following code to configure my logger: ERROR_FORMAT = "%(levelname)s at %(asctime)s in %(funcName)s in %(filename) at line %(lineno)d:…
murgatroid99
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