[1595] | 1 | #! /usr/bin/env python |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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| 3 | |
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| 4 | # PyKota Print Quota Editor |
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| 5 | # |
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| 6 | # PyKota - Print Quotas for CUPS and LPRng |
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| 7 | # |
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[2028] | 8 | # (c) 2003, 2004, 2005 Jerome Alet <alet@librelogiciel.com> |
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[1595] | 9 | # This program is free software; you can redistribute it and/or modify |
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| 10 | # it under the terms of the GNU General Public License as published by |
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| 11 | # the Free Software Foundation; either version 2 of the License, or |
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| 12 | # (at your option) any later version. |
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| 13 | # |
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| 14 | # This program is distributed in the hope that it will be useful, |
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| 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | # GNU General Public License for more details. |
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| 18 | # |
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| 19 | # You should have received a copy of the GNU General Public License |
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| 20 | # along with this program; if not, write to the Free Software |
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[2303] | 21 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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[1595] | 22 | # |
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| 23 | # $Id$ |
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| 24 | # |
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[2028] | 25 | # |
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[1595] | 26 | |
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| 27 | import sys |
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| 28 | import os |
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| 29 | import pwd |
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| 30 | import time |
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| 31 | |
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[1607] | 32 | try : |
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| 33 | import pyosd |
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| 34 | except ImportError : |
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| 35 | sys.stderr.write("Sorry ! You need both xosd and the Python OSD library (pyosd) for this software to work.\n") |
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| 36 | sys.exit(-1) |
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| 37 | |
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[1796] | 38 | from pykota.tool import PyKotaTool, PyKotaToolError, crashed, N_ |
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[1595] | 39 | |
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[2267] | 40 | __doc__ = N_("""pykosd v%s (c) %s %s |
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| 41 | |
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[1605] | 42 | An OSD quota monitor for PyKota. |
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[1597] | 43 | |
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[1605] | 44 | command line usage : |
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| 45 | |
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| 46 | pykosd [options] |
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| 47 | |
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| 48 | options : |
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| 49 | |
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[1832] | 50 | -v | --version Prints pykosd's version number then exits. |
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[1605] | 51 | -h | --help Prints this message then exits. |
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| 52 | |
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[1608] | 53 | -c | --color #rrggbb Sets the color to use for display as an hexadecimal |
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| 54 | triplet, for example #FF0000 is 100%% red. |
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| 55 | Defaults to 100%% green (#00FF00). |
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| 56 | |
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[1605] | 57 | -d | --duration d Sets the duration of the display in seconds. |
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| 58 | Defaults to 3 seconds. |
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[1607] | 59 | |
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| 60 | -f | --font f Sets the font to use for display. |
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| 61 | Defaults to the Python OSD library's default. |
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[1605] | 62 | |
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| 63 | -l | --loop n Sets the number of times the info will be displayed. |
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| 64 | Defaults to 0, which means loop forever. |
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| 65 | |
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| 66 | -s | --sleep s Sets the sleeping duration between two displays |
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| 67 | in seconds. Defaults to 180 seconds (3 minutes). |
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| 68 | |
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| 69 | |
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| 70 | examples : |
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| 71 | |
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| 72 | $ pykosd -s 60 --loop 5 |
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| 73 | |
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| 74 | Will launch pykosd. Display will be refreshed every 60 seconds, |
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| 75 | and will last for 3 seconds (the default) each time. After five |
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| 76 | iterations, the program will exit. |
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| 77 | |
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| 78 | This program is free software; you can redistribute it and/or modify |
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| 79 | it under the terms of the GNU General Public License as published by |
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| 80 | the Free Software Foundation; either version 2 of the License, or |
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| 81 | (at your option) any later version. |
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| 82 | |
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| 83 | This program is distributed in the hope that it will be useful, |
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| 84 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 85 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 86 | GNU General Public License for more details. |
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| 87 | |
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| 88 | You should have received a copy of the GNU General Public License |
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| 89 | along with this program; if not, write to the Free Software |
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[2303] | 90 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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[1605] | 91 | |
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[1803] | 92 | Please e-mail bugs to: %s""") |
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[1605] | 93 | |
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| 94 | |
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| 95 | class PyKOSD(PyKotaTool) : |
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| 96 | def main(self, args, options) : |
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| 97 | """Main function starts here.""" |
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| 98 | try : |
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| 99 | duration = int(options["duration"]) |
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| 100 | except : |
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[1606] | 101 | raise PyKotaToolError, _("Invalid duration option %s") % str(options["duration"]) |
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[1605] | 102 | |
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| 103 | try : |
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| 104 | loop = int(options["loop"]) |
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| 105 | except : |
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[1606] | 106 | raise PyKotaToolError, _("Invalid loop option %s") % str(options["loop"]) |
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[1605] | 107 | |
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| 108 | try : |
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| 109 | sleep = float(options["sleep"]) |
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| 110 | except : |
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[1606] | 111 | raise PyKotaToolError, _("Invalid sleep option %s") % str(options["sleep"]) |
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[1605] | 112 | |
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[1608] | 113 | color = options["color"] |
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| 114 | if not color.startswith("#") : |
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| 115 | color = "#%s" % color |
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| 116 | if len(color) != 7 : |
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| 117 | raise PyKotaToolError, _("Invalid color option %s") % str(color) |
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| 118 | savecolor = color |
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| 119 | |
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[2232] | 120 | uname = pwd.getpwuid(os.getuid())[0] |
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[1605] | 121 | while 1 : |
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[1608] | 122 | color = savecolor |
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[1605] | 123 | user = cmd.storage.getUserFromBackend(uname) # don't use cache |
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[1595] | 124 | if not user.Exists : |
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[1606] | 125 | raise PyKotaToolError, _("User %s doesn't exist in PyKota's database") % uname |
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[1596] | 126 | if user.LimitBy == "quota" : |
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| 127 | printers = cmd.storage.getMatchingPrinters("*") |
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[1605] | 128 | upquotas = [ cmd.storage.getUserPQuotaFromBackend(user, p) for p in printers ] # don't use cache |
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[1596] | 129 | nblines = len(upquotas) |
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[1608] | 130 | display = pyosd.osd(font=options["font"], colour=color, timeout=duration, shadow=2, lines=nblines) |
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[1596] | 131 | for line in range(nblines) : |
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| 132 | upq = upquotas[line] |
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| 133 | if upq.HardLimit is None : |
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| 134 | if upq.SoftLimit is None : |
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[1597] | 135 | percent = "%s" % upq.PageCounter |
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[1596] | 136 | else : |
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[1597] | 137 | percent = "%s%%" % min((upq.PageCounter * 100) / upq.SoftLimit, 100) |
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[1596] | 138 | else : |
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[1597] | 139 | percent = "%s%%" % min((upq.PageCounter * 100) / upq.HardLimit, 100) |
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[1605] | 140 | display.display(_("Pages used on %s : %s") % (upq.Printer.Name, percent), type=pyosd.TYPE_STRING, line=line) |
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[1596] | 141 | else : |
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[1597] | 142 | if user.AccountBalance <= 0 : |
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| 143 | color = "#FF0000" |
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[1607] | 144 | display = pyosd.osd(font=options["font"], colour=color, timeout=duration, shadow=2) |
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[1605] | 145 | display.display(_("PyKota Units left : %.2f") % user.AccountBalance, type=pyosd.TYPE_STRING) |
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[1608] | 146 | |
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[1605] | 147 | time.sleep(duration + 1) |
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| 148 | if loop : |
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| 149 | loop -= 1 |
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| 150 | if not loop : |
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| 151 | break |
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| 152 | time.sleep(sleep) |
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| 153 | |
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| 154 | return 0 |
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| 155 | |
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| 156 | if __name__ == "__main__" : |
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| 157 | retcode = -1 |
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| 158 | try : |
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| 159 | defaults = { \ |
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[1608] | 160 | "color" : "#00FF00", \ |
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[1605] | 161 | "duration" : "3", \ |
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[1607] | 162 | "font" : pyosd.default_font, \ |
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[1605] | 163 | "loop" : "0", \ |
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| 164 | "sleep" : "180", \ |
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| 165 | } |
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[1608] | 166 | short_options = "hvc:d:f:l:s:" |
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| 167 | long_options = ["help", "version", "color=", "colour=", "duration=", "font=", "loop=", "sleep="] |
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[1605] | 168 | |
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| 169 | cmd = PyKOSD(doc=__doc__) |
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[2210] | 170 | cmd.deferredInit() |
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[1605] | 171 | |
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| 172 | # parse and checks the command line |
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| 173 | (options, args) = cmd.parseCommandline(sys.argv[1:], short_options, long_options, allownothing=1) |
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| 174 | |
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| 175 | # sets long options |
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| 176 | options["help"] = options["h"] or options["help"] |
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| 177 | options["version"] = options["v"] or options["version"] |
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[1608] | 178 | options["color"] = options["c"] or options["color"] or options["colour"] or defaults["color"] |
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[1605] | 179 | options["duration"] = options["d"] or options["duration"] or defaults["duration"] |
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[1607] | 180 | options["font"] = options["f"] or options["font"] or defaults["font"] |
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[1605] | 181 | options["loop"] = options["l"] or options["loop"] or defaults["loop"] |
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| 182 | options["sleep"] = options["s"] or options["sleep"] or defaults["sleep"] |
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| 183 | |
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| 184 | if options["help"] : |
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| 185 | cmd.display_usage_and_quit() |
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| 186 | elif options["version"] : |
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| 187 | cmd.display_version_and_quit() |
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| 188 | else : |
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| 189 | retcode = cmd.main(args, options) |
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| 190 | except KeyboardInterrupt : |
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| 191 | retcode = 0 |
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[2216] | 192 | except KeyboardInterrupt : |
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| 193 | sys.stderr.write("\nInterrupted with Ctrl+C !\n") |
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[1605] | 194 | except SystemExit : |
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| 195 | pass |
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| 196 | except : |
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[1595] | 197 | try : |
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[1605] | 198 | cmd.crashed("pykosd failed") |
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[1595] | 199 | except : |
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[1605] | 200 | crashed("pykosd failed") |
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| 201 | |
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| 202 | try : |
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| 203 | cmd.storage.close() |
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| 204 | except : |
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| 205 | pass |
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| 206 | |
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[1595] | 207 | sys.exit(retcode) |
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