This document describes the current stable version of Celery (3.1). For development docs, go here.

celery.app.log

celery.app.log

The Celery instances logging section: Celery.log.

Sets up logging for the worker and other programs, redirects stdouts, colors log output, patches logging related compatibility fixes, and so on.

class celery.app.log.TaskFormatter(fmt=None, use_color=True)

format(record)

class celery.app.log.Logging(app)

already_setup = False

colored(logfile=None, enabled=None)

get_default_logger(name='celery', **kwargs)

redirect_stdouts(loglevel=None, name='celery.redirected')

redirect_stdouts_to_logger(logger, loglevel=None, stdout=True, stderr=True)

Redirect sys.stdout and sys.stderr to a logging instance.

Parameters:

• logger – The logging.Logger instance to redirect to.
• loglevel – The loglevel redirected messages will be logged as.

setup(loglevel=None, logfile=None, redirect_stdouts=False, redirect_level='WARNING', colorize=None, hostname=None)

setup_handlers(logger, logfile, format, colorize, formatter=<class 'celery.utils.log.ColorFormatter'>, **kwargs)

setup_logger(name='celery', *args, **kwargs)

Deprecated: No longer used.

setup_logging_subsystem(loglevel=None, logfile=None, format=None, colorize=None, hostname=None, **kwargs)

setup_task_loggers(loglevel=None, logfile=None, format=None, colorize=None, propagate=False, **kwargs)

Setup the task logger.

If logfile is not specified, then sys.stderr is used.

Will return the base task logger object.

supports_color(colorize=None, logfile=None)