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annotate src/tools/common/ansi.py @ 2160:e67e8cd24141

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core (tools/common): data objects first draft: this module aims is to help manipulate complex data from bridge, mainly for the template system. It is in common and not only in frontends as it may be used in some case by backend, if it needs to use template system in the future.
author Goffi <goffi@goffi.org>
date Tue, 21 Feb 2017 21:01:40 +0100
parents 7cbffd754b4a
children a0fbb2b11fd0
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2154
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT: a XMPP client
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5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 import sys
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21
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22 class ANSI(object):
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23
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24 ## ANSI escape sequences ##
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25 RESET = '\033[0m'
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26 NORMAL_WEIGHT = '\033[22m'
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27 FG_BLACK, FG_RED, FG_GREEN, FG_YELLOW, FG_BLUE, FG_MAGENTA, FG_CYAN, FG_WHITE = ('\033[3%dm' % nb for nb in xrange(8))
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28 BOLD = '\033[1m'
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29 BLINK = '\033[5m'
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30 BLINK_OFF = '\033[25m'
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31
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32 @classmethod
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33 def color(cls, *args):
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34 """output text using ANSI codes
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35
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36 this method simply merge arguments, and add RESET if is not the last arguments
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37 """
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38 # XXX: we expect to have at least on argument
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39 if args[-1] != cls.RESET:
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40 args = list(args)
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41 args.append(cls.RESET)
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42 return u''.join(args)
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45 if not sys.stdout.isatty():
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46 # we don't want ANSI escape codes if we are not outputing to a tty!
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47 for attr in dir(ANSI):
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48 if isinstance(getattr(ANSI, attr), basestring):
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49 setattr(ANSI, attr, u'')