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# Colored log, requires Python 2.3 or up.

import sys
from distutils.log import *
from distutils.log import Log as old_Log
from distutils.log import _global_log
from misc_util import red_text, yellow_text, cyan_text


def _fix_args(args,flag=1):
    if type(args) is type(''):
        return args.replace('%','%%')
    if flag and type(args) is type(()):
        return tuple([_fix_args(a,flag=0) for a in args])
    return args

class Log(old_Log):
    def _log(self, level, msg, args):
        if level>= self.threshold:
            if args:
                print _global_color_map[level](msg % _fix_args(args))
            else:
                print _global_color_map[level](msg)
            sys.stdout.flush()
_global_log.__class__ = Log

def set_verbosity(v):
    prev_level = _global_log.threshold
    if v<0:
        set_threshold(ERROR)
    elif v == 0:
        set_threshold(WARN)
    elif v == 1:
        set_threshold(INFO)
    elif v >= 2:
        set_threshold(DEBUG)
    return {FATAL:-2,ERROR:-1,WARN:0,INFO:1,DEBUG:2}.get(prev_level,1)

_global_color_map = {
    DEBUG:cyan_text,
    INFO:yellow_text,
    WARN:red_text,
    ERROR:red_text,
    FATAL:red_text
}

set_verbosity(1)