[952] | 1 | # PyKota |
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[745] | 2 | # |
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[952] | 3 | # PyKota - Print Quotas for CUPS and LPRng |
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| 4 | # |
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[745] | 5 | # (c) 2003 Jerome Alet <alet@librelogiciel.com> |
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[873] | 6 | # This program is free software; you can redistribute it and/or modify |
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| 7 | # it under the terms of the GNU General Public License as published by |
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| 8 | # the Free Software Foundation; either version 2 of the License, or |
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| 9 | # (at your option) any later version. |
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[745] | 10 | # |
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[873] | 11 | # This program is distributed in the hope that it will be useful, |
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| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | # GNU General Public License for more details. |
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| 15 | # |
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| 16 | # You should have received a copy of the GNU General Public License |
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| 17 | # along with this program; if not, write to the Free Software |
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| 18 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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[745] | 19 | # |
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| 20 | # $Id$ |
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| 21 | # |
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| 22 | # $Log$ |
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[1068] | 23 | # Revision 1.8 2003/07/07 11:49:24 jalet |
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| 24 | # Lots of small fixes with the help of PyChecker |
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| 25 | # |
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[952] | 26 | # Revision 1.7 2003/04/23 22:13:57 jalet |
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| 27 | # Preliminary support for LPRng added BUT STILL UNTESTED. |
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| 28 | # |
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[873] | 29 | # Revision 1.6 2003/03/29 13:45:27 jalet |
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| 30 | # GPL paragraphs were incorrectly (from memory) copied into the sources. |
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| 31 | # Two README files were added. |
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| 32 | # Upgrade script for PostgreSQL pre 1.01 schema was added. |
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| 33 | # |
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[789] | 34 | # Revision 1.5 2003/02/10 11:47:39 jalet |
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| 35 | # Moved some code down into the requesters |
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| 36 | # |
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[786] | 37 | # Revision 1.4 2003/02/10 10:36:33 jalet |
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| 38 | # Small problem wrt external requester |
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| 39 | # |
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[780] | 40 | # Revision 1.3 2003/02/10 00:42:17 jalet |
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| 41 | # External requester should be ok (untested) |
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| 42 | # New syntax for configuration file wrt requesters |
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| 43 | # |
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[773] | 44 | # Revision 1.2 2003/02/09 13:05:43 jalet |
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| 45 | # Internationalization continues... |
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| 46 | # |
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[745] | 47 | # Revision 1.1 2003/02/07 13:15:01 jalet |
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| 48 | # External requester skeleton added. |
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| 49 | # |
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| 50 | # |
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| 51 | # |
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| 52 | |
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| 53 | import os |
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| 54 | from pykota.requester import PyKotaRequesterError |
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| 55 | |
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| 56 | class Requester : |
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| 57 | """A class to send queries to printers via external commands.""" |
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[1068] | 58 | def __init__(self, printername, arguments) : |
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[745] | 59 | """Sets instance vars depending on the current printer.""" |
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| 60 | self.printername = printername |
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[789] | 61 | self.commandline = arguments.strip() |
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[745] | 62 | |
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[780] | 63 | def getPrinterPageCounter(self, printer) : |
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| 64 | """Returns the page counter from the printer via an external command. |
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[745] | 65 | |
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[780] | 66 | The external command must report the life time page number of the printer on stdout. |
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[745] | 67 | """ |
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[780] | 68 | commandline = self.commandline % locals() |
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| 69 | if printer is None : |
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| 70 | raise PyKotaRequesterError, _("Unknown printer address in EXTERNAL(%s) for printer %s") % (commandline, self.printername) |
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| 71 | answer = os.popen(commandline) |
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| 72 | try : |
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| 73 | pagecounter = int(answer.readline().strip()) |
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[786] | 74 | except ValueError : |
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[780] | 75 | raise PyKotaRequesterError, _("Unable to query printer %s via EXTERNAL(%s)") % (printer, commandline) |
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| 76 | answer.close() |
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| 77 | return pagecounter |
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[745] | 78 | |
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