ansible/lib/ansible/color.py

74 lines
2.3 KiB
Python

# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
ANSIBLE_COLOR=True
if os.getenv("ANSIBLE_NOCOLOR") is not None:
ANSIBLE_COLOR=False
elif not sys.stdout.isatty():
ANSIBLE_COLOR=False
else:
try:
import curses
curses.setupterm()
if curses.tigetnum('colors') < 0:
ANSIBLE_COLOR=False
except ImportError:
# curses library was not found
pass
except curses.error:
# curses returns an error (e.g. could not find terminal)
ANSIBLE_COLOR=False
if os.getenv("ANSIBLE_FORCE_COLOR") is not None:
ANSIBLE_COLOR=True
# --- begin "pretty"
#
# pretty - A miniature library that provides a Python print and stdout
# wrapper that makes colored terminal text easier to use (eg. without
# having to mess around with ANSI escape sequences). This code is public
# domain - there is no license except that you must leave this header.
#
# Copyright (C) 2008 Brian Nez <thedude at bri1 dot com>
#
# http://nezzen.net/2008/06/23/colored-text-in-python-using-ansi-escape-sequences/
codeCodes = {
'black': '0;30', 'bright gray': '0;37',
'blue': '0;34', 'white': '1;37',
'green': '0;32', 'bright blue': '1;34',
'cyan': '0;36', 'bright green': '1;32',
'red': '0;31', 'bright cyan': '1;36',
'purple': '0;35', 'bright red': '1;31',
'yellow': '0;33', 'bright purple': '1;35',
'dark gray': '1;30', 'bright yellow': '1;33',
'normal': '0'
}
def stringc(text, color):
"""String in color."""
if ANSIBLE_COLOR:
return "\033["+codeCodes[color]+"m"+text+"\033[0m"
else:
return text
# --- end "pretty"