Mercurial > libervia-backend
view src/tools/common/ansi.py @ 2453:84e84a46b014
template (filters): don't crash on invalid date in date_fmt
author | Goffi <goffi@goffi.org> |
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date | Thu, 30 Nov 2017 20:59:24 +0100 (2017-11-30) |
parents | 8b37a62336c3 |
children | 0046283a285d |
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#!/usr/bin/env python2 # -*- coding: utf-8 -*- # SàT: a XMPP client # Copyright (C) 2009-2017 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program 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 Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import sys class ANSI(object): ## ANSI escape sequences ## RESET = '\033[0m' NORMAL_WEIGHT = '\033[22m' 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)) BOLD = '\033[1m' BLINK = '\033[5m' BLINK_OFF = '\033[25m' @classmethod def color(cls, *args): """output text using ANSI codes this method simply merge arguments, and add RESET if is not the last arguments """ # XXX: we expect to have at least one argument if args[-1] != cls.RESET: args = list(args) args.append(cls.RESET) return u''.join(args) try: tty = sys.stdout.isatty() except (AttributeError, TypeError): # FIXME: TypeError is here for Pyjamas, need to be removed tty = False if not tty: # we don't want ANSI escape codes if we are not outputing to a tty! for attr in dir(ANSI): if isinstance(getattr(ANSI, attr), basestring): setattr(ANSI, attr, u'') del tty