Mercurial > libervia-backend
annotate sat/tools/common/ansi.py @ 2793:181735d1b062
plugin mr mercurial, tools(common/utils): moved command protocol to a new module
| author | Goffi <goffi@goffi.org> |
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| date | Fri, 25 Jan 2019 09:06:29 +0100 |
| parents | 003b8b4b56a7 |
| children | ab2696e34d29 |
| rev | line source |
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core (constants), tools (common/ansi): moved ANSI escape codes to a dedicated class, with helper methods
Goffi <goffi@goffi.org>
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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 |
| 2771 | 5 # Copyright (C) 2009-2019 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 |
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23 class ANSI(object): |
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24 |
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25 ## ANSI escape sequences ## |
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26 RESET = "\033[0m" |
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27 NORMAL_WEIGHT = "\033[22m" |
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28 FG_BLACK, FG_RED, FG_GREEN, FG_YELLOW, FG_BLUE, FG_MAGENTA, FG_CYAN, FG_WHITE = ( |
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29 "\033[3%dm" % nb for nb in xrange(8) |
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30 ) |
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31 BOLD = "\033[1m" |
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32 BLINK = "\033[5m" |
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33 BLINK_OFF = "\033[25m" |
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34 |
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35 @classmethod |
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36 def color(cls, *args): |
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37 """output text using ANSI codes |
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38 |
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39 this method simply merge arguments, and add RESET if is not the last arguments |
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40 """ |
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41 # XXX: we expect to have at least one argument |
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42 if args[-1] != cls.RESET: |
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43 args = list(args) |
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44 args.append(cls.RESET) |
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45 return u"".join(args) |
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46 |
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47 |
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48 try: |
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49 tty = sys.stdout.isatty() |
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50 except ( |
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51 AttributeError, |
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52 TypeError, |
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53 ): # FIXME: TypeError is here for Pyjamas, need to be removed |
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54 tty = False |
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55 if not tty: |
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56 # we don't want ANSI escape codes if we are not outputing to a tty! |
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57 for attr in dir(ANSI): |
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58 if isinstance(getattr(ANSI, attr), basestring): |
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59 setattr(ANSI, attr, u"") |
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60 del tty |