def __init__(self, color=True, *args, **kwargs):
logging.Formatter.__init__(self, *args, **kwargs)
self._color = color and _stderr_supports_color()
if self._color:
# The curses module has some str/bytes confusion in
# python3. Until version 3.2.3, most methods return
# bytes, but only accept strings. In addition, we want to
# output these strings with the logging module, which
# works with unicode strings. The explicit calls to
# unicode() below are harmless in python2 but will do the
# right conversion in python 3.
fg_color = (curses.tigetstr("setaf") or
curses.tigetstr("setf") or "")
if (3, 0) < sys.version_info < (3, 2, 3):
fg_color = unicode_type(fg_color, "ascii")
self._colors = {
logging.DEBUG: unicode_type(curses.tparm(fg_color, 4), # Blue
"ascii"),
logging.INFO: unicode_type(curses.tparm(fg_color, 2), # Green
"ascii"),
logging.WARNING: unicode_type(curses.tparm(fg_color, 3), # Yellow
"ascii"),
logging.ERROR: unicode_type(curses.tparm(fg_color, 1), # Red
"ascii"),
}
self._normal = unicode_type(curses.tigetstr("sgr0"), "ascii")
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