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Nice colorful formatters for Python logging.

Project description

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Provide formatters to nicely display colorful logging output on the console.

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Right now, it contains only one formatter, coloring log lines depending on the log level and adding nice line prefixes containing logger name, but future plans are to add more formatters and allow better ways to customize them.

Example usage

from nicelog.formatters import ColorLineFormatter
import logging
import sys

logger = logging.getLogger('foo')
logger.setLevel(logging.DEBUG)

handler = logging.StreamHandler(sys.stderr)
handler.setFormatter(ColorLineFormatter())
handler.setLevel(logging.DEBUG)

logger.addHandler(handler)

logger.debug('Debug message')
logger.info('Info message')
logger.warning('Warning message')
logger.error('Error message')
logger.critical('Critical message')

Example output

Here it is, in all its glory:

Screenshot

Powerline font support

You can set the HAS_POWERLINE_FONT environment variable to a non-null value in order to tell the formatter to use powerline-style symbols (specifically, the “arrow” thing).

Changelog

v0.1.6

  • Added support for showing more information:
    • record date
    • file name / line number
    • module / function

v0.1.5

  • Added support for nicer colors in 256-color mode
  • Removed dependency from termcolor (now shipping better implementation)

Project details


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