Log formatting with colors!
Project description
colorlog.ColoredFormatter is a formatter for use with pythons logging module.
It allows colors to be placed in the format string, mostly useful when paired with a StreamHandler that is outputting to a terminal.
This is accomplished by added a set of terminal color codes to the record before it is used to format the string. The codes are mostly in the format fg_{colorname} or bg_{colorname} (foreground and background colors). Also provided are bold (for bold output), reset (to reset all formatting), and fg_level / bg_level, which return the color associated with the records level (which is defined by either DEFAULT_COLOR_LEVELS or a user-provided dict (color_levels) containing a mapping of level names to color names.
The colors names are black, red, green, yellow, blue, purple, cyan and white.
A reset code is implictly appended to all messages unless reset == False.
A usage example, also showing the default color mapping:
>>> from colorlog import ColoredFormatter
>>> formatstring = "%(bg_level)s%(levelname)-8s%(reset)s %(blue)%(message)s"
>>> levels = {
'DEBUG': 'cyan',
'INFO': 'green',
'WARNING': 'yellow',
'ERROR': 'red',
'CRITICAL': 'red',
}
>>> ColoredFormatter(formatstring, reset=True, color_levels=levels)
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