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annotate src/tools/common/ansi.py @ 2307:8fa7edd0da24

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plugin Pubsub Hook: first draft: This new plugin allow to attach an external action to a Pubsub event (i.e. notification). Hook can be persitent accross restarts, or temporary (will be deleted on profile disconnection). Only Python files are handled for now. In the future, it may make sense to move hooks in a generic plugin which could be used by ad-hoc commands, messages, pubsub, etc.
author Goffi <goffi@goffi.org>
date Wed, 05 Jul 2017 15:05:47 +0200
parents d3e48c9a255e
children 8b37a62336c3
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rev   line source
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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 one 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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43
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44
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45 try:
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46 tty = sys.stdout.isatty()
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47 except (AttributeError, TypeError): # FIXME: TypeError is here for Pyjamas, need to be removed
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48 tty = False
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49 if not tty:
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50 # we don't want ANSI escape codes if we are not outputing to a tty!
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51 for attr in dir(ANSI):
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52 if isinstance(getattr(ANSI, attr), basestring):
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53 setattr(ANSI, attr, u'')
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54 del tty