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annotate sat/tools/common/ansi.py @ 3317:83f25da66bec

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core (memory): files are now public by default except for those in root directory: using public permissions by default makes permissions change more easy as we don't have to recursively change all permissions of sub files when changing directory. Root directories are private by default.
author Goffi <goffi@goffi.org>
date Sat, 01 Aug 2020 16:02:41 +0200
parents 559a625a236b
children be6d91572633
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3
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4 # SàT: a XMPP client
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5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
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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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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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20 import sys
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23 class ANSI(object):
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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 range(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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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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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 "".join(args)
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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), str):
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59 setattr(ANSI, attr, "")
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60 del tty