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# (c) 2012-2014, 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/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import re
import sys
from ansible import constants as C
ANSIBLE_COLOR = True
if C.ANSIBLE_NOCOLOR:
ANSIBLE_COLOR = False
elif not hasattr(sys.stdout, 'isatty') or 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 C.ANSIBLE_FORCE_COLOR:
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 (e.g. 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>
def parsecolor(color):
"""SGR parameter string for the specified color name."""
matches = re.match(r"color(?P<color>[0-9]+)"
r"|(?P<rgb>rgb(?P<red>[0-5])(?P<green>[0-5])(?P<blue>[0-5]))"
r"|gray(?P<gray>[0-9]+)", color)
if not matches:
return C.COLOR_CODES[color]
if matches.group('color'):
return u'38;5;%d' % int(matches.group('color'))
if matches.group('rgb'):
return u'38;5;%d' % (16 + 36 * int(matches.group('red')) +
6 * int(matches.group('green')) +
int(matches.group('blue')))
if matches.group('gray'):
return u'38;5;%d' % (232 + int(matches.group('gray')))
def stringc(text, color, wrap_nonvisible_chars=False):
"""String in color."""
if ANSIBLE_COLOR:
color_code = parsecolor(color)
fmt = u"\033[%sm%s\033[0m"
if wrap_nonvisible_chars:
# This option is provided for use in cases when the
# formatting of a command line prompt is needed, such as
# `ansible-console`. As said in `readline` sources:
# readline/display.c:321
# /* Current implementation:
# \001 (^A) start non-visible characters
# \002 (^B) end non-visible characters
# all characters except \001 and \002 (following a \001) are copied to
# the returned string; all characters except those between \001 and
# \002 are assumed to be `visible'. */
fmt = u"\001\033[%sm\002%s\001\033[0m\002"
return u"\n".join([fmt % (color_code, t) for t in text.split(u'\n')])
else:
return text
def colorize(lead, num, color):
""" Print 'lead' = 'num' in 'color' """
s = u"%s=%-4s" % (lead, str(num))
if num != 0 and ANSIBLE_COLOR and color is not None:
s = stringc(s, color)
return s
def hostcolor(host, stats, color=True):
if ANSIBLE_COLOR and color:
if stats['failures'] != 0 or stats['unreachable'] != 0:
return u"%-37s" % stringc(host, C.COLOR_ERROR)
elif stats['changed'] != 0:
return u"%-37s" % stringc(host, C.COLOR_CHANGED)
else:
return u"%-37s" % stringc(host, C.COLOR_OK)
return u"%-26s" % host
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