This document describes the current stable version of Celery (4.0). For development docs, go here.

celery.utils.log

Logging utilities.

class celery.utils.log.ColorFormatter(fmt=None, use_color=True)

Logging formatter that adds colors based on severity.

COLORS = {u'blue': <bound method colored.blue of u''>, u'black': <bound method colored.black of u''>, u'yellow': <bound method colored.yellow of u''>, u'cyan': <bound method colored.cyan of u''>, u'green': <bound method colored.green of u''>, u'magenta': <bound method colored.magenta of u''>, u'white': <bound method colored.white of u''>, u'red': <bound method colored.red of u''>}

colors = {u'DEBUG': <bound method colored.blue of u''>, u'CRITICAL': <bound method colored.magenta of u''>, u'WARNING': <bound method colored.yellow of u''>, u'ERROR': <bound method colored.red of u''>}

format(record)

formatException(ei)

class celery.utils.log.LoggingProxy(logger, loglevel=None)

Forward file object to logging.Logger instance.

Parameters:

• logger (Logger) – Logger instance to forward to.
• loglevel (int, str) – Log level to use when logging messages.

close()

closed = False

flush()

isatty()

Here for file support.

loglevel = 40

mode = u'w'

name = None

write(data)

Write message to logging object.

writelines(sequence)

Write list of strings to file.

The sequence can be any iterable object producing strings. This is equivalent to calling write() for each string.

celery.utils.log.set_in_sighandler(value)

Set flag signifiying that we’re inside a signal handler.

celery.utils.log.in_sighandler(*args, **kwds)

Context that records that we are in a signal handler.

celery.utils.log.get_logger(name)

Get logger by name.

celery.utils.log.get_task_logger(name)

Get logger for task module by name.

celery.utils.log.mlevel(level)

Convert level name/int to log level.

celery.utils.log.get_multiprocessing_logger()

Return the multiprocessing logger.

celery.utils.log.reset_multiprocessing_logger()

Reset multiprocessing logging setup.