color.py
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00001 from __future__ import print_function
00002 import sys
00003 
00004 # bold colors
00005 _ansi = {'red': 91, 'yellow': 93}
00006 
00007 def is_tty(stream): # taken from catkin_tools/common.py
00008     """Returns True if the given stream is a tty, else False"""
00009     return hasattr(stream, 'isatty') and stream.isatty()
00010 
00011 
00012 def colorize(msg, color, file=sys.stderr, alt_text=None):
00013     if color and is_tty(file):
00014         return '\033[%dm%s\033[0m' % (_ansi[color], msg)
00015     elif alt_text:
00016         return '%s%s' % (alt_text, msg)
00017     else:
00018         return msg
00019 
00020 
00021 def message(msg, *args, **kwargs):
00022     file  = kwargs.get('file', sys.stderr)
00023     alt_text = kwargs.get('alt_text', None)
00024     color = kwargs.get('color', None)
00025     print(colorize(msg, color, file, alt_text), *args, file=file)
00026 
00027 
00028 def warning(*args, **kwargs):
00029     defaults = dict(file=sys.stderr, alt_text='warning: ', color='yellow')
00030     defaults.update(kwargs)
00031     message(*args, **defaults)
00032 
00033 
00034 def error(*args, **kwargs):
00035     defaults = dict(file=sys.stderr, alt_text='error: ', color='red')
00036     defaults.update(kwargs)
00037     message(*args, **defaults)


xacro
Author(s): Stuart Glaser, William Woodall, Robert Haschke
autogenerated on Fri Jun 24 2016 04:05:50