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# -*- coding: utf-8 -*-
"""
sphinx.util.console
~~~~~~~~~~~~~~~~~~~
Format colored console output.
:copyright: 2007-2008 by Georg Brandl.
:license: BSD, see LICENSE for details.
"""
import os
codes = {}
def get_terminal_width():
"""Borrowed from the py lib."""
try:
import os, termios, fcntl, struct
call = fcntl.ioctl(0, termios.TIOCGWINSZ, "\000"*8)
height, width = struct.unpack("hhhh", call)[:2]
terminal_width = width
except (SystemExit, KeyboardInterrupt):
raise
except:
# FALLBACK
terminal_width = int(os.environ.get('COLUMNS', 80))-1
return terminal_width
_tw = get_terminal_width()
def print_and_backspace(text, func):
if not codes:
# if no coloring, don't output fancy backspaces
func(text)
else:
func(text.ljust(_tw) + _tw * "\b")
def color_terminal():
if 'COLORTERM' in os.environ:
return True
term = os.environ.get('TERM', 'dumb').lower()
if 'xterm' in term or 'color' in term:
return True
return False
def nocolor():
codes.clear()
def coloron():
codes.update(_orig_codes)
def colorize(name, text):
return codes.get(name, '') + text + codes.get('reset', '')
def create_color_func(name):
def inner(text):
return colorize(name, text)
globals()[name] = inner
_attrs = {
'reset': '39;49;00m',
'bold': '01m',
'faint': '02m',
'standout': '03m',
'underline': '04m',
'blink': '05m',
}
for _name, _value in _attrs.items():
codes[_name] = '\x1b[' + _value
_colors = [
('black', 'darkgray'),
('darkred', 'red'),
('darkgreen', 'green'),
('brown', 'yellow'),
('darkblue', 'blue'),
('purple', 'fuchsia'),
('turquoise', 'teal'),
('lightgray', 'white'),
]
for i, (dark, light) in enumerate(_colors):
codes[dark] = '\x1b[%im' % (i+30)
codes[light] = '\x1b[%i;01m' % (i+30)
_orig_codes = codes.copy()
for _name in codes:
create_color_func(_name)
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