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112 lines
4.0 KiB
Python
112 lines
4.0 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import annotations
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import re
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import sys
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from ansible import constants as C
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ANSIBLE_COLOR = True
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if C.ANSIBLE_NOCOLOR:
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ANSIBLE_COLOR = False
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elif not hasattr(sys.stdout, 'isatty') or not sys.stdout.isatty():
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ANSIBLE_COLOR = False
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else:
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try:
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import curses
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curses.setupterm()
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if curses.tigetnum('colors') < 0:
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ANSIBLE_COLOR = False
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except ImportError:
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# curses library was not found
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pass
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except curses.error:
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# curses returns an error (e.g. could not find terminal)
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ANSIBLE_COLOR = False
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if C.ANSIBLE_FORCE_COLOR:
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ANSIBLE_COLOR = True
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# --- begin "pretty"
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#
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# pretty - A miniature library that provides a Python print and stdout
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# wrapper that makes colored terminal text easier to use (e.g. without
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# having to mess around with ANSI escape sequences). This code is public
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# domain - there is no license except that you must leave this header.
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#
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# Copyright (C) 2008 Brian Nez <thedude at bri1 dot com>
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def parsecolor(color):
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"""SGR parameter string for the specified color name."""
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matches = re.match(r"color(?P<color>[0-9]+)"
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r"|(?P<rgb>rgb(?P<red>[0-5])(?P<green>[0-5])(?P<blue>[0-5]))"
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r"|gray(?P<gray>[0-9]+)", color)
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if not matches:
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return C.COLOR_CODES[color]
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if matches.group('color'):
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return u'38;5;%d' % int(matches.group('color'))
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if matches.group('rgb'):
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return u'38;5;%d' % (16 + 36 * int(matches.group('red')) +
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6 * int(matches.group('green')) +
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int(matches.group('blue')))
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if matches.group('gray'):
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return u'38;5;%d' % (232 + int(matches.group('gray')))
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def stringc(text, color, wrap_nonvisible_chars=False):
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"""String in color."""
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if ANSIBLE_COLOR:
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color_code = parsecolor(color)
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fmt = u"\033[%sm%s\033[0m"
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if wrap_nonvisible_chars:
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# This option is provided for use in cases when the
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# formatting of a command line prompt is needed, such as
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# `ansible-console`. As said in `readline` sources:
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# readline/display.c:321
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# /* Current implementation:
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# \001 (^A) start non-visible characters
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# \002 (^B) end non-visible characters
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# all characters except \001 and \002 (following a \001) are copied to
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# the returned string; all characters except those between \001 and
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# \002 are assumed to be `visible'. */
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fmt = u"\001\033[%sm\002%s\001\033[0m\002"
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return u"\n".join([fmt % (color_code, t) for t in text.split(u'\n')])
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else:
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return text
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def colorize(lead, num, color):
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""" Print 'lead' = 'num' in 'color' """
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s = u"%s=%-4s" % (lead, str(num))
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if num != 0 and ANSIBLE_COLOR and color is not None:
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s = stringc(s, color)
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return s
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def hostcolor(host, stats, color=True):
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if ANSIBLE_COLOR and color:
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if stats['failures'] != 0 or stats['unreachable'] != 0:
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return u"%-37s" % stringc(host, C.COLOR_ERROR)
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elif stats['changed'] != 0:
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return u"%-37s" % stringc(host, C.COLOR_CHANGED)
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else:
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return u"%-37s" % stringc(host, C.COLOR_OK)
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return u"%-26s" % host
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