[695] | 1 | # PyKota |
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| 2 | # |
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[952] | 3 | # PyKota : Print Quotas for CUPS and LPRng |
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[695] | 4 | # |
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| 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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[695] | 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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[695] | 19 | # |
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| 20 | # $Id$ |
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| 21 | # |
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| 22 | # $Log$ |
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[952] | 23 | # Revision 1.12 2003/04/23 22:13:57 jalet |
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| 24 | # Preliminary support for LPRng added BUT STILL UNTESTED. |
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| 25 | # |
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[900] | 26 | # Revision 1.11 2003/04/10 21:47:20 jalet |
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| 27 | # Job history added. Upgrade script neutralized for now ! |
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| 28 | # |
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[873] | 29 | # Revision 1.10 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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[802] | 34 | # Revision 1.9 2003/02/17 22:55:01 jalet |
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| 35 | # More options can now be set per printer or globally : |
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| 36 | # |
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[873] | 37 | # admin |
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| 38 | # adminmail |
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| 39 | # gracedelay |
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| 40 | # requester |
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[802] | 41 | # |
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| 42 | # the printer option has priority when both are defined. |
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| 43 | # |
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[800] | 44 | # Revision 1.8 2003/02/17 22:05:50 jalet |
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| 45 | # Storage backend now supports admin and user passwords (untested) |
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| 46 | # |
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[791] | 47 | # Revision 1.7 2003/02/10 12:07:31 jalet |
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| 48 | # Now repykota should output the recorded total page number for each printer too. |
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| 49 | # |
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[773] | 50 | # Revision 1.6 2003/02/09 13:05:43 jalet |
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| 51 | # Internationalization continues... |
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| 52 | # |
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[768] | 53 | # Revision 1.5 2003/02/08 22:39:46 jalet |
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| 54 | # --reset command line option added |
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| 55 | # |
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[759] | 56 | # Revision 1.4 2003/02/08 09:59:59 jalet |
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| 57 | # Added preliminary base class for all storages |
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| 58 | # |
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[698] | 59 | # Revision 1.3 2003/02/05 22:10:29 jalet |
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| 60 | # Typos |
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| 61 | # |
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[697] | 62 | # Revision 1.2 2003/02/05 22:02:22 jalet |
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| 63 | # __import__ statement didn't work as expected |
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| 64 | # |
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[695] | 65 | # Revision 1.1 2003/02/05 21:28:17 jalet |
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| 66 | # Initial import into CVS |
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| 67 | # |
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| 68 | # |
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| 69 | # |
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| 70 | |
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| 71 | class PyKotaStorageError(Exception): |
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| 72 | """An exception for Quota Storage related stuff.""" |
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| 73 | def __init__(self, message = ""): |
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| 74 | self.message = message |
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| 75 | Exception.__init__(self, message) |
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| 76 | def __repr__(self): |
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| 77 | return self.message |
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| 78 | __str__ = __repr__ |
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[759] | 79 | |
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[695] | 80 | def openConnection(config, asadmin=0) : |
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| 81 | """Returns a connection handle to the appropriate Quota Storage Database.""" |
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[800] | 82 | backendinfo = config.getStorageBackend() |
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| 83 | backend = backendinfo["storagebackend"] |
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[695] | 84 | try : |
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[698] | 85 | if not backend.isalpha() : |
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[697] | 86 | # don't trust user input |
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| 87 | raise ImportError |
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| 88 | exec "from pykota.storages import %s as storagebackend" % backend.lower() |
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[695] | 89 | except ImportError : |
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[773] | 90 | raise PyKotaStorageError, _("Unsupported quota storage backend %s") % backend |
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[695] | 91 | else : |
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[800] | 92 | host = backendinfo["storageserver"] |
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| 93 | database = backendinfo["storagename"] |
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| 94 | admin = backendinfo["storageadmin"] |
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| 95 | user = backendinfo["storageuser"] |
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| 96 | adminpw = backendinfo["storageadminpw"] |
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| 97 | userpw = backendinfo["storageuserpw"] |
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| 98 | if asadmin : |
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| 99 | return getattr(storagebackend, "Storage")(host, database, admin, adminpw) |
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| 100 | else : |
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| 101 | return getattr(storagebackend, "Storage")(host, database, user, userpw) |
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