# Python 2.3 distutils.log backported to Python 2.1.x, 2.2.x

import sys

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

if sys.version[:3]>='2.3':
    from distutils.log import *
    from distutils.log import Log as old_Log
    from distutils.log import _global_log
    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

else:
    exec """
# Here follows (slightly) modified copy of Python 2.3 distutils/log.py

DEBUG = 1
INFO = 2
WARN = 3
ERROR = 4
FATAL = 5
class Log:

    def __init__(self, threshold=WARN):
        self.threshold = threshold

    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()

    def log(self, level, msg, *args):
        self._log(level, msg, args)

    def debug(self, msg, *args):
        self._log(DEBUG, msg, args)

    def info(self, msg, *args):
        self._log(INFO, msg, args)
    
    def warn(self, msg, *args):
        self._log(WARN, red_text(msg), args)
    
    def error(self, msg, *args):
        self._log(ERROR, msg, args)
    
    def fatal(self, msg, *args):
        self._log(FATAL, msg, args)

_global_log = Log()
log = _global_log.log
debug = _global_log.debug
info = _global_log.info
warn = _global_log.warn
error = _global_log.error
fatal = _global_log.fatal

def set_threshold(level):
    _global_log.threshold = level

"""

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)

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

set_verbosity(1)
