borgmatic/borgmatic/logger.py

99 lines
2.5 KiB
Python

import logging
import os
import sys
import colorama
def to_bool(arg):
'''
Return a boolean value based on `arg`.
'''
if arg is None or isinstance(arg, bool):
return arg
if isinstance(arg, str):
arg = arg.lower()
if arg in ('yes', 'on', '1', 'true', 1):
return True
return False
def should_do_markup(no_color):
'''
Determine if we should enable colorama marking up.
'''
if no_color:
return False
py_colors = os.environ.get('PY_COLORS', None)
if py_colors is not None:
return to_bool(py_colors)
return sys.stdout.isatty() and os.environ.get('TERM') != 'dumb'
LOG_LEVEL_TO_COLOR = {
logging.CRITICAL: colorama.Fore.RED,
logging.ERROR: colorama.Fore.RED,
logging.WARN: colorama.Fore.YELLOW,
logging.INFO: colorama.Fore.GREEN,
logging.DEBUG: colorama.Fore.CYAN,
}
class Borgmatic_logger(logging.Logger):
def critical(self, msg, *args, **kwargs):
color = LOG_LEVEL_TO_COLOR.get(logging.CRITICAL)
return super(Borgmatic_logger, self).critical(color_text(color, msg), *args, **kwargs)
def error(self, msg, *args, **kwargs):
color = LOG_LEVEL_TO_COLOR.get(logging.ERROR)
return super(Borgmatic_logger, self).error(color_text(color, msg), *args, **kwargs)
def warn(self, msg, *args, **kwargs):
color = LOG_LEVEL_TO_COLOR.get(logging.WARN)
return super(Borgmatic_logger, self).warn(color_text(color, msg), *args, **kwargs)
def info(self, msg, *args, **kwargs):
color = LOG_LEVEL_TO_COLOR.get(logging.INFO)
return super(Borgmatic_logger, self).info(color_text(color, msg), *args, **kwargs)
def debug(self, msg, *args, **kwargs):
color = LOG_LEVEL_TO_COLOR.get(logging.DEBUG)
return super(Borgmatic_logger, self).debug(color_text(color, msg), *args, **kwargs)
def handle(self, record):
color = LOG_LEVEL_TO_COLOR.get(record.levelno)
colored_record = logging.makeLogRecord(
dict(levelno=record.levelno, msg=color_text(color, record.msg))
)
return super(Borgmatic_logger, self).handle(colored_record)
def get_logger(name=None):
'''
Build a logger with the given name.
'''
logging.setLoggerClass(Borgmatic_logger)
logger = logging.getLogger(name)
return logger
def color_text(color, message):
'''
Give colored text.
'''
if not color:
return message
return '{}{}{}'.format(color, message, colorama.Style.RESET_ALL)