[695] | 1 | # PyKota |
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[1144] | 2 | # -*- coding: ISO-8859-15 -*- |
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[695] | 3 | # |
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[952] | 4 | # PyKota : Print Quotas for CUPS and LPRng |
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[695] | 5 | # |
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[1257] | 6 | # (c) 2003-2004 Jerome Alet <alet@librelogiciel.com> |
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[873] | 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 General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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[695] | 11 | # |
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[873] | 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 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 General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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[2302] | 19 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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[695] | 20 | # |
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| 21 | # $Id$ |
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| 22 | # |
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[2066] | 23 | # |
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[695] | 24 | |
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[2266] | 25 | from mx import DateTime |
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| 26 | |
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[695] | 27 | class PyKotaStorageError(Exception): |
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| 28 | """An exception for Quota Storage related stuff.""" |
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| 29 | def __init__(self, message = ""): |
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| 30 | self.message = message |
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| 31 | Exception.__init__(self, message) |
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| 32 | def __repr__(self): |
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| 33 | return self.message |
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| 34 | __str__ = __repr__ |
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[759] | 35 | |
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[1041] | 36 | class StorageObject : |
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| 37 | """Object present in the Quota Storage.""" |
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| 38 | def __init__(self, parent) : |
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| 39 | "Initialize minimal data.""" |
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| 40 | self.parent = parent |
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| 41 | self.ident = None |
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| 42 | self.Exists = 0 |
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| 43 | |
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| 44 | class StorageUser(StorageObject) : |
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| 45 | """User class.""" |
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| 46 | def __init__(self, parent, name) : |
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| 47 | StorageObject.__init__(self, parent) |
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| 48 | self.Name = name |
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| 49 | self.LimitBy = None |
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| 50 | self.AccountBalance = None |
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| 51 | self.LifeTimePaid = None |
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[1067] | 52 | self.Email = None |
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[2054] | 53 | self.OverCharge = 1.0 |
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[1522] | 54 | self.Payments = [] # TODO : maybe handle this smartly for SQL, for now just don't retrieve them |
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[1041] | 55 | |
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| 56 | def consumeAccountBalance(self, amount) : |
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| 57 | """Consumes an amount of money from the user's account balance.""" |
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[1269] | 58 | self.parent.decreaseUserAccountBalance(self, amount) |
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| 59 | self.AccountBalance = float(self.AccountBalance or 0.0) - amount |
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[1041] | 60 | |
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| 61 | def setAccountBalance(self, balance, lifetimepaid) : |
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| 62 | """Sets the user's account balance in case he pays more money.""" |
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[1522] | 63 | diff = float(lifetimepaid or 0.0) - float(self.LifeTimePaid or 0.0) |
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| 64 | self.parent.beginTransaction() |
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| 65 | try : |
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| 66 | self.parent.writeUserAccountBalance(self, balance, lifetimepaid) |
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| 67 | self.parent.writeNewPayment(self, diff) |
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| 68 | except PyKotaStorageError, msg : |
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| 69 | self.parent.rollbackTransaction() |
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| 70 | raise PyKotaStorageError, msg |
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| 71 | else : |
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| 72 | self.parent.commitTransaction() |
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| 73 | self.AccountBalance = balance |
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| 74 | self.LifeTimePaid = lifetimepaid |
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[1041] | 75 | |
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| 76 | def setLimitBy(self, limitby) : |
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| 77 | """Sets the user's limiting factor.""" |
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[1062] | 78 | try : |
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| 79 | limitby = limitby.lower() |
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| 80 | except AttributeError : |
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| 81 | limitby = "quota" |
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[1418] | 82 | if limitby in ["quota", "balance", "quota-then-balance", "balance-then-quota"] : |
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[1041] | 83 | self.parent.writeUserLimitBy(self, limitby) |
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| 84 | self.LimitBy = limitby |
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| 85 | |
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[2054] | 86 | def setOverChargeFactor(self, factor) : |
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| 87 | """Sets the user's overcharging coefficient.""" |
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| 88 | self.parent.writeUserOverCharge(self, factor) |
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| 89 | self.OverCharge = factor |
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| 90 | |
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[1041] | 91 | def delete(self) : |
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| 92 | """Deletes an user from the Quota Storage.""" |
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| 93 | self.parent.beginTransaction() |
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| 94 | try : |
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| 95 | self.parent.deleteUser(self) |
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| 96 | except PyKotaStorageError, msg : |
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| 97 | self.parent.rollbackTransaction() |
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| 98 | raise PyKotaStorageError, msg |
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| 99 | else : |
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| 100 | self.parent.commitTransaction() |
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[2450] | 101 | self.parent.flushEntry("USERS", self.Name) |
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[2340] | 102 | self.Exists = 0 |
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[1041] | 103 | |
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| 104 | class StorageGroup(StorageObject) : |
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| 105 | """User class.""" |
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| 106 | def __init__(self, parent, name) : |
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| 107 | StorageObject.__init__(self, parent) |
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| 108 | self.Name = name |
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| 109 | self.LimitBy = None |
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| 110 | self.AccountBalance = None |
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| 111 | self.LifeTimePaid = None |
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| 112 | |
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| 113 | def setLimitBy(self, limitby) : |
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| 114 | """Sets the user's limiting factor.""" |
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[1062] | 115 | try : |
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| 116 | limitby = limitby.lower() |
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| 117 | except AttributeError : |
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| 118 | limitby = "quota" |
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[1041] | 119 | if limitby in ["quota", "balance"] : |
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| 120 | self.parent.writeGroupLimitBy(self, limitby) |
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| 121 | self.LimitBy = limitby |
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| 122 | |
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| 123 | def delete(self) : |
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| 124 | """Deletes a group from the Quota Storage.""" |
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| 125 | self.parent.beginTransaction() |
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| 126 | try : |
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| 127 | self.parent.deleteGroup(self) |
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| 128 | except PyKotaStorageError, msg : |
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| 129 | self.parent.rollbackTransaction() |
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| 130 | raise PyKotaStorageError, msg |
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| 131 | else : |
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| 132 | self.parent.commitTransaction() |
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[2450] | 133 | self.parent.flushEntry("GROUPS", self.Name) |
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[2340] | 134 | self.Exists = 0 |
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[1041] | 135 | |
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| 136 | class StoragePrinter(StorageObject) : |
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| 137 | """Printer class.""" |
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| 138 | def __init__(self, parent, name) : |
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| 139 | StorageObject.__init__(self, parent) |
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| 140 | self.Name = name |
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| 141 | self.PricePerPage = None |
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| 142 | self.PricePerJob = None |
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[1582] | 143 | self.Description = None |
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[2054] | 144 | self.Coefficients = None |
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[1041] | 145 | |
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[1358] | 146 | def __getattr__(self, name) : |
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| 147 | """Delays data retrieval until it's really needed.""" |
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| 148 | if name == "LastJob" : |
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| 149 | self.LastJob = self.parent.getPrinterLastJob(self) |
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| 150 | return self.LastJob |
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| 151 | else : |
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| 152 | raise AttributeError, name |
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| 153 | |
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[2217] | 154 | def addJobToHistory(self, jobid, user, pagecounter, action, jobsize=None, jobprice=None, filename=None, title=None, copies=None, options=None, clienthost=None, jobsizebytes=None, jobmd5sum=None, jobpages=None, jobbilling=None) : |
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[1041] | 155 | """Adds a job to the printer's history.""" |
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[2217] | 156 | self.parent.writeJobNew(self, user, jobid, pagecounter, action, jobsize, jobprice, filename, title, copies, options, clienthost, jobsizebytes, jobmd5sum, jobpages, jobbilling) |
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[1041] | 157 | # TODO : update LastJob object ? Probably not needed. |
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| 158 | |
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[1258] | 159 | def addPrinterToGroup(self, printer) : |
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| 160 | """Adds a printer to a printer group.""" |
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[1259] | 161 | if (printer not in self.parent.getParentPrinters(self)) and (printer.ident != self.ident) : |
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[1258] | 162 | self.parent.writePrinterToGroup(self, printer) |
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[1269] | 163 | # TODO : reset cached value for printer parents, or add new parent to cached value |
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[1332] | 164 | |
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| 165 | def delPrinterFromGroup(self, printer) : |
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| 166 | """Deletes a printer from a printer group.""" |
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[1333] | 167 | self.parent.removePrinterFromGroup(self, printer) |
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| 168 | # TODO : reset cached value for printer parents, or add new parent to cached value |
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[1258] | 169 | |
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[1041] | 170 | def setPrices(self, priceperpage = None, priceperjob = None) : |
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| 171 | """Sets the printer's prices.""" |
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| 172 | if priceperpage is None : |
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[1711] | 173 | priceperpage = self.PricePerPage or 0.0 |
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[1041] | 174 | else : |
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| 175 | self.PricePerPage = float(priceperpage) |
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| 176 | if priceperjob is None : |
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[1711] | 177 | priceperjob = self.PricePerJob or 0.0 |
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[1041] | 178 | else : |
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| 179 | self.PricePerJob = float(priceperjob) |
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| 180 | self.parent.writePrinterPrices(self) |
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| 181 | |
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[2340] | 182 | def setDescription(self, description=None) : |
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| 183 | """Sets the printer's description.""" |
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[1582] | 184 | if description is None : |
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| 185 | description = self.Description |
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| 186 | else : |
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| 187 | self.Description = str(description) |
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| 188 | self.parent.writePrinterDescription(self) |
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| 189 | |
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[1330] | 190 | def delete(self) : |
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| 191 | """Deletes a printer from the Quota Storage.""" |
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| 192 | self.parent.beginTransaction() |
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| 193 | try : |
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| 194 | self.parent.deletePrinter(self) |
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| 195 | except PyKotaStorageError, msg : |
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| 196 | self.parent.rollbackTransaction() |
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| 197 | raise PyKotaStorageError, msg |
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| 198 | else : |
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| 199 | self.parent.commitTransaction() |
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[2450] | 200 | self.parent.flushEntry("PRINTERS", self.Name) |
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[2340] | 201 | self.Exists = 0 |
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[1330] | 202 | |
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[1041] | 203 | class StorageUserPQuota(StorageObject) : |
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| 204 | """User Print Quota class.""" |
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| 205 | def __init__(self, parent, user, printer) : |
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| 206 | StorageObject.__init__(self, parent) |
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| 207 | self.User = user |
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| 208 | self.Printer = printer |
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| 209 | self.PageCounter = None |
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| 210 | self.LifePageCounter = None |
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| 211 | self.SoftLimit = None |
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| 212 | self.HardLimit = None |
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| 213 | self.DateLimit = None |
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[2054] | 214 | self.WarnCount = None |
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[1041] | 215 | |
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[1358] | 216 | def __getattr__(self, name) : |
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| 217 | """Delays data retrieval until it's really needed.""" |
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| 218 | if name == "ParentPrintersUserPQuota" : |
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| 219 | self.ParentPrintersUserPQuota = (self.User.Exists and self.Printer.Exists and self.parent.getParentPrintersUserPQuota(self)) or [] |
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| 220 | return self.ParentPrintersUserPQuota |
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| 221 | else : |
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| 222 | raise AttributeError, name |
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| 223 | |
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[1041] | 224 | def setDateLimit(self, datelimit) : |
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| 225 | """Sets the date limit for this quota.""" |
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| 226 | date = "%04i-%02i-%02i %02i:%02i:%02i" % (datelimit.year, datelimit.month, datelimit.day, datelimit.hour, datelimit.minute, datelimit.second) |
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| 227 | self.parent.writeUserPQuotaDateLimit(self, date) |
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| 228 | self.DateLimit = date |
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| 229 | |
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| 230 | def setLimits(self, softlimit, hardlimit) : |
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| 231 | """Sets the soft and hard limit for this quota.""" |
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| 232 | self.parent.writeUserPQuotaLimits(self, softlimit, hardlimit) |
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| 233 | self.SoftLimit = softlimit |
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| 234 | self.HardLimit = hardlimit |
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[1367] | 235 | self.DateLimit = None |
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[2054] | 236 | self.WarnCount = 0 |
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[1041] | 237 | |
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[1967] | 238 | def setUsage(self, used) : |
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| 239 | """Sets the PageCounter and LifePageCounter to used, or if used is + or - prefixed, changes the values of {Life,}PageCounter by that amount.""" |
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| 240 | vused = int(used) |
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| 241 | if used.startswith("+") or used.startswith("-") : |
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[2030] | 242 | self.parent.beginTransaction() |
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| 243 | try : |
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| 244 | self.parent.increaseUserPQuotaPagesCounters(self, vused) |
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| 245 | self.parent.writeUserPQuotaDateLimit(self, None) |
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[2054] | 246 | self.parent.writeUserPQuotaWarnCount(self, 0) |
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[2030] | 247 | except PyKotaStorageError, msg : |
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| 248 | self.parent.rollbackTransaction() |
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| 249 | raise PyKotaStorageError, msg |
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| 250 | else : |
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| 251 | self.parent.commitTransaction() |
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| 252 | self.PageCounter += vused |
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| 253 | self.LifePageCounter += vused |
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[1967] | 254 | else : |
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[2030] | 255 | self.parent.writeUserPQuotaPagesCounters(self, vused, vused) |
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| 256 | self.PageCounter = self.LifePageCounter = vused |
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| 257 | self.DateLimit = None |
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[2054] | 258 | self.WarnCount = 0 |
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[1967] | 259 | |
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[2066] | 260 | def incDenyBannerCounter(self) : |
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| 261 | """Increment the deny banner counter for this user quota.""" |
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[2054] | 262 | self.parent.increaseUserPQuotaWarnCount(self) |
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| 263 | self.WarnCount = (self.WarnCount or 0) + 1 |
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| 264 | |
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[2066] | 265 | def resetDenyBannerCounter(self) : |
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| 266 | """Resets the deny banner counter for this user quota.""" |
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| 267 | self.parent.writeUserPQuotaWarnCount(self, 0) |
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| 268 | self.WarnCount = 0 |
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| 269 | |
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[1041] | 270 | def reset(self) : |
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| 271 | """Resets page counter to 0.""" |
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| 272 | self.parent.writeUserPQuotaPagesCounters(self, 0, int(self.LifePageCounter or 0)) |
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| 273 | self.PageCounter = 0 |
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[2030] | 274 | self.DateLimit = None |
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[1041] | 275 | |
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[1755] | 276 | def hardreset(self) : |
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| 277 | """Resets actual and life time page counters to 0.""" |
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| 278 | self.parent.writeUserPQuotaPagesCounters(self, 0, 0) |
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| 279 | self.PageCounter = self.LifePageCounter = 0 |
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[2030] | 280 | self.DateLimit = None |
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[1755] | 281 | |
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[1285] | 282 | def computeJobPrice(self, jobsize) : |
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| 283 | """Computes the job price as the sum of all parent printers' prices + current printer's ones.""" |
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| 284 | totalprice = 0.0 |
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| 285 | if jobsize : |
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[2054] | 286 | if self.User.OverCharge != 0.0 : # optimization, but TODO : beware of rounding errors |
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| 287 | for upq in [ self ] + self.ParentPrintersUserPQuota : |
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| 288 | price = (float(upq.Printer.PricePerPage or 0.0) * jobsize) + float(upq.Printer.PricePerJob or 0.0) |
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| 289 | totalprice += price |
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| 290 | if self.User.OverCharge != 1.0 : # TODO : beware of rounding errors |
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| 291 | overcharged = totalprice * self.User.OverCharge |
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| 292 | self.parent.tool.printInfo("Overcharging %s by a factor of %s ===> User %s will be charged for %s units." % (totalprice, self.User.OverCharge, self.User.Name, overcharged)) |
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| 293 | return overcharged |
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| 294 | else : |
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| 295 | return totalprice |
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[1285] | 296 | |
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| 297 | def increasePagesUsage(self, jobsize) : |
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[1041] | 298 | """Increase the value of used pages and money.""" |
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[1285] | 299 | jobprice = self.computeJobPrice(jobsize) |
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| 300 | if jobsize : |
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[2409] | 301 | if jobprice : |
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| 302 | self.User.consumeAccountBalance(jobprice) |
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| 303 | for upq in [ self ] + self.ParentPrintersUserPQuota : |
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| 304 | self.parent.increaseUserPQuotaPagesCounters(upq, jobsize) |
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| 305 | upq.PageCounter = int(upq.PageCounter or 0) + jobsize |
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| 306 | upq.LifePageCounter = int(upq.LifePageCounter or 0) + jobsize |
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[1285] | 307 | return jobprice |
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[1041] | 308 | |
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| 309 | class StorageGroupPQuota(StorageObject) : |
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| 310 | """Group Print Quota class.""" |
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| 311 | def __init__(self, parent, group, printer) : |
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| 312 | StorageObject.__init__(self, parent) |
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| 313 | self.Group = group |
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| 314 | self.Printer = printer |
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| 315 | self.PageCounter = None |
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| 316 | self.LifePageCounter = None |
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| 317 | self.SoftLimit = None |
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| 318 | self.HardLimit = None |
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| 319 | self.DateLimit = None |
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| 320 | |
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[1365] | 321 | def __getattr__(self, name) : |
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| 322 | """Delays data retrieval until it's really needed.""" |
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| 323 | if name == "ParentPrintersGroupPQuota" : |
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| 324 | self.ParentPrintersGroupPQuota = (self.Group.Exists and self.Printer.Exists and self.parent.getParentPrintersGroupPQuota(self)) or [] |
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| 325 | return self.ParentPrintersGroupPQuota |
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| 326 | else : |
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| 327 | raise AttributeError, name |
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| 328 | |
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[2030] | 329 | def reset(self) : |
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| 330 | """Resets page counter to 0.""" |
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| 331 | self.parent.beginTransaction() |
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| 332 | try : |
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| 333 | for user in self.parent.getGroupMembers(self.Group) : |
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| 334 | uq = self.parent.getUserPQuota(user, self.Printer) |
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| 335 | uq.reset() |
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| 336 | self.parent.writeGroupPQuotaDateLimit(self, None) |
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| 337 | except PyKotaStorageError, msg : |
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| 338 | self.parent.rollbackTransaction() |
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| 339 | raise PyKotaStorageError, msg |
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| 340 | else : |
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| 341 | self.parent.commitTransaction() |
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| 342 | self.PageCounter = 0 |
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| 343 | self.DateLimit = None |
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| 344 | |
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| 345 | def hardreset(self) : |
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| 346 | """Resets actual and life time page counters to 0.""" |
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| 347 | self.parent.beginTransaction() |
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| 348 | try : |
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| 349 | for user in self.parent.getGroupMembers(self.Group) : |
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| 350 | uq = self.parent.getUserPQuota(user, self.Printer) |
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| 351 | uq.hardreset() |
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| 352 | self.parent.writeGroupPQuotaDateLimit(self, None) |
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| 353 | except PyKotaStorageError, msg : |
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| 354 | self.parent.rollbackTransaction() |
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| 355 | raise PyKotaStorageError, msg |
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| 356 | else : |
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| 357 | self.parent.commitTransaction() |
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| 358 | self.PageCounter = self.LifePageCounter = 0 |
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| 359 | self.DateLimit = None |
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| 360 | |
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[1041] | 361 | def setDateLimit(self, datelimit) : |
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| 362 | """Sets the date limit for this quota.""" |
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[2450] | 363 | date = "%04i-%02i-%02i %02i:%02i:%02i" % (datelimit.year, \ |
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| 364 | datelimit.month, \ |
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| 365 | datelimit.day, \ |
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| 366 | datelimit.hour, \ |
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| 367 | datelimit.minute, \ |
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| 368 | datelimit.second) |
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[1041] | 369 | self.parent.writeGroupPQuotaDateLimit(self, date) |
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| 370 | self.DateLimit = date |
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| 371 | |
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| 372 | def setLimits(self, softlimit, hardlimit) : |
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| 373 | """Sets the soft and hard limit for this quota.""" |
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| 374 | self.parent.writeGroupPQuotaLimits(self, softlimit, hardlimit) |
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| 375 | self.SoftLimit = softlimit |
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| 376 | self.HardLimit = hardlimit |
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[1367] | 377 | self.DateLimit = None |
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[1041] | 378 | |
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[1274] | 379 | class StorageJob(StorageObject) : |
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[1692] | 380 | """Printer's Job class.""" |
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[1274] | 381 | def __init__(self, parent) : |
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[1041] | 382 | StorageObject.__init__(self, parent) |
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[1358] | 383 | self.UserName = None |
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| 384 | self.PrinterName = None |
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[1041] | 385 | self.JobId = None |
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| 386 | self.PrinterPageCounter = None |
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[1520] | 387 | self.JobSizeBytes = None |
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[1041] | 388 | self.JobSize = None |
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| 389 | self.JobAction = None |
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| 390 | self.JobDate = None |
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[1203] | 391 | self.JobPrice = None |
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| 392 | self.JobFileName = None |
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| 393 | self.JobTitle = None |
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| 394 | self.JobCopies = None |
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| 395 | self.JobOptions = None |
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[1502] | 396 | self.JobHostName = None |
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[2054] | 397 | self.JobMD5Sum = None |
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| 398 | self.JobPages = None |
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| 399 | self.JobBillingCode = None |
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[1041] | 400 | |
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[1358] | 401 | def __getattr__(self, name) : |
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| 402 | """Delays data retrieval until it's really needed.""" |
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| 403 | if name == "User" : |
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| 404 | self.User = self.parent.getUser(self.UserName) |
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| 405 | return self.User |
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| 406 | elif name == "Printer" : |
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| 407 | self.Printer = self.parent.getPrinter(self.PrinterName) |
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| 408 | return self.Printer |
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| 409 | else : |
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| 410 | raise AttributeError, name |
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| 411 | |
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[1274] | 412 | class StorageLastJob(StorageJob) : |
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| 413 | """Printer's Last Job class.""" |
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| 414 | def __init__(self, parent, printer) : |
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| 415 | StorageJob.__init__(self, parent) |
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[1359] | 416 | self.PrinterName = printer.Name # not needed |
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[1274] | 417 | self.Printer = printer |
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| 418 | |
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[2340] | 419 | class StorageBillingCode(StorageObject) : |
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| 420 | """Billing code class.""" |
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| 421 | def __init__(self, parent, name) : |
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| 422 | StorageObject.__init__(self, parent) |
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| 423 | self.BillingCode = name |
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| 424 | self.Description = None |
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| 425 | self.PageCounter = None |
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| 426 | self.Balance = None |
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| 427 | |
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| 428 | def delete(self) : |
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| 429 | """Deletes the billing code from the database.""" |
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| 430 | self.parent.deleteBillingCode(self) |
---|
[2450] | 431 | self.parent.flushEntry("BILLINGCODES", self.BillingCode) |
---|
[2340] | 432 | self.Exists = 0 |
---|
| 433 | |
---|
[2342] | 434 | def reset(self, balance=0.0, pagecounter=0) : |
---|
[2340] | 435 | """Resets the pagecounter and balance for this billing code.""" |
---|
[2388] | 436 | self.parent.setBillingCodeValues(self, pagecounter, balance) |
---|
[2342] | 437 | self.Balance = balance |
---|
[2340] | 438 | self.PageCounter = pagecounter |
---|
| 439 | |
---|
| 440 | def setDescription(self, description=None) : |
---|
| 441 | """Modifies the description for this billing code.""" |
---|
| 442 | if description is None : |
---|
| 443 | description = self.Description |
---|
| 444 | else : |
---|
| 445 | self.Description = str(description) |
---|
| 446 | self.parent.writeBillingCodeDescription(self) |
---|
| 447 | |
---|
| 448 | def consume(self, pages, price) : |
---|
| 449 | """Consumes some pages and credits for this billing code.""" |
---|
| 450 | if pages : |
---|
| 451 | self.parent.consumeBillingCode(self, pages, price) |
---|
| 452 | self.PageCounter += pages |
---|
| 453 | self.Balance -= price |
---|
| 454 | |
---|
[1130] | 455 | class BaseStorage : |
---|
| 456 | def __init__(self, pykotatool) : |
---|
[1523] | 457 | """Opens the storage connection.""" |
---|
[1130] | 458 | self.closed = 1 |
---|
| 459 | self.tool = pykotatool |
---|
| 460 | self.usecache = pykotatool.config.getCaching() |
---|
[1148] | 461 | self.disablehistory = pykotatool.config.getDisableHistory() |
---|
[1875] | 462 | self.privacy = pykotatool.config.getPrivacy() |
---|
| 463 | if self.privacy : |
---|
| 464 | pykotatool.logdebug("Jobs' title, filename and options will be hidden because of privacy concerns.") |
---|
[1130] | 465 | if self.usecache : |
---|
| 466 | self.tool.logdebug("Caching enabled.") |
---|
[2450] | 467 | self.caches = { "USERS" : {}, \ |
---|
| 468 | "GROUPS" : {}, \ |
---|
| 469 | "PRINTERS" : {}, \ |
---|
| 470 | "USERPQUOTAS" : {}, \ |
---|
| 471 | "GROUPPQUOTAS" : {}, \ |
---|
| 472 | "JOBS" : {}, \ |
---|
| 473 | "LASTJOBS" : {}, \ |
---|
| 474 | "BILLINGCODES" : {} } |
---|
[1130] | 475 | |
---|
[1240] | 476 | def close(self) : |
---|
| 477 | """Must be overriden in children classes.""" |
---|
| 478 | raise RuntimeError, "BaseStorage.close() must be overriden !" |
---|
| 479 | |
---|
[1130] | 480 | def __del__(self) : |
---|
| 481 | """Ensures that the database connection is closed.""" |
---|
| 482 | self.close() |
---|
| 483 | |
---|
| 484 | def getFromCache(self, cachetype, key) : |
---|
| 485 | """Tries to extract something from the cache.""" |
---|
| 486 | if self.usecache : |
---|
| 487 | entry = self.caches[cachetype].get(key) |
---|
| 488 | if entry is not None : |
---|
| 489 | self.tool.logdebug("Cache hit (%s->%s)" % (cachetype, key)) |
---|
| 490 | else : |
---|
| 491 | self.tool.logdebug("Cache miss (%s->%s)" % (cachetype, key)) |
---|
[1743] | 492 | return entry |
---|
[1130] | 493 | |
---|
| 494 | def cacheEntry(self, cachetype, key, value) : |
---|
| 495 | """Puts an entry in the cache.""" |
---|
[1151] | 496 | if self.usecache and getattr(value, "Exists", 0) : |
---|
[1130] | 497 | self.caches[cachetype][key] = value |
---|
[1132] | 498 | self.tool.logdebug("Cache store (%s->%s)" % (cachetype, key)) |
---|
[1130] | 499 | |
---|
[2450] | 500 | def flushEntry(self, cachetype, key) : |
---|
| 501 | """Removes an entry from the cache.""" |
---|
| 502 | if self.usecache : |
---|
| 503 | try : |
---|
| 504 | del self.caches[cachetype][key] |
---|
| 505 | except KeyError : |
---|
| 506 | pass |
---|
| 507 | else : |
---|
| 508 | self.tool.logdebug("Cache flush (%s->%s)" % (cachetype, key)) |
---|
| 509 | |
---|
[1130] | 510 | def getUser(self, username) : |
---|
| 511 | """Returns the user from cache.""" |
---|
| 512 | user = self.getFromCache("USERS", username) |
---|
| 513 | if user is None : |
---|
| 514 | user = self.getUserFromBackend(username) |
---|
| 515 | self.cacheEntry("USERS", username, user) |
---|
| 516 | return user |
---|
| 517 | |
---|
| 518 | def getGroup(self, groupname) : |
---|
| 519 | """Returns the group from cache.""" |
---|
| 520 | group = self.getFromCache("GROUPS", groupname) |
---|
| 521 | if group is None : |
---|
| 522 | group = self.getGroupFromBackend(groupname) |
---|
| 523 | self.cacheEntry("GROUPS", groupname, group) |
---|
| 524 | return group |
---|
| 525 | |
---|
| 526 | def getPrinter(self, printername) : |
---|
| 527 | """Returns the printer from cache.""" |
---|
| 528 | printer = self.getFromCache("PRINTERS", printername) |
---|
| 529 | if printer is None : |
---|
| 530 | printer = self.getPrinterFromBackend(printername) |
---|
| 531 | self.cacheEntry("PRINTERS", printername, printer) |
---|
| 532 | return printer |
---|
| 533 | |
---|
| 534 | def getUserPQuota(self, user, printer) : |
---|
| 535 | """Returns the user quota information from cache.""" |
---|
| 536 | useratprinter = "%s@%s" % (user.Name, printer.Name) |
---|
| 537 | upquota = self.getFromCache("USERPQUOTAS", useratprinter) |
---|
| 538 | if upquota is None : |
---|
| 539 | upquota = self.getUserPQuotaFromBackend(user, printer) |
---|
| 540 | self.cacheEntry("USERPQUOTAS", useratprinter, upquota) |
---|
| 541 | return upquota |
---|
| 542 | |
---|
| 543 | def getGroupPQuota(self, group, printer) : |
---|
| 544 | """Returns the group quota information from cache.""" |
---|
| 545 | groupatprinter = "%s@%s" % (group.Name, printer.Name) |
---|
| 546 | gpquota = self.getFromCache("GROUPPQUOTAS", groupatprinter) |
---|
| 547 | if gpquota is None : |
---|
| 548 | gpquota = self.getGroupPQuotaFromBackend(group, printer) |
---|
| 549 | self.cacheEntry("GROUPPQUOTAS", groupatprinter, gpquota) |
---|
| 550 | return gpquota |
---|
| 551 | |
---|
| 552 | def getPrinterLastJob(self, printer) : |
---|
| 553 | """Extracts last job information for a given printer from cache.""" |
---|
| 554 | lastjob = self.getFromCache("LASTJOBS", printer.Name) |
---|
| 555 | if lastjob is None : |
---|
| 556 | lastjob = self.getPrinterLastJobFromBackend(printer) |
---|
| 557 | self.cacheEntry("LASTJOBS", printer.Name, lastjob) |
---|
| 558 | return lastjob |
---|
| 559 | |
---|
[2342] | 560 | def getBillingCode(self, label) : |
---|
| 561 | """Returns the user from cache.""" |
---|
| 562 | code = self.getFromCache("BILLINGCODES", label) |
---|
| 563 | if code is None : |
---|
| 564 | code = self.getBillingCodeFromBackend(label) |
---|
| 565 | self.cacheEntry("BILLINGCODES", label, code) |
---|
| 566 | return code |
---|
| 567 | |
---|
[1249] | 568 | def getParentPrinters(self, printer) : |
---|
| 569 | """Extracts parent printers information for a given printer from cache.""" |
---|
[1252] | 570 | if self.usecache : |
---|
| 571 | if not hasattr(printer, "Parents") : |
---|
| 572 | self.tool.logdebug("Cache miss (%s->Parents)" % printer.Name) |
---|
| 573 | printer.Parents = self.getParentPrintersFromBackend(printer) |
---|
| 574 | self.tool.logdebug("Cache store (%s->Parents)" % printer.Name) |
---|
| 575 | else : |
---|
| 576 | self.tool.logdebug("Cache hit (%s->Parents)" % printer.Name) |
---|
| 577 | else : |
---|
| 578 | printer.Parents = self.getParentPrintersFromBackend(printer) |
---|
[1364] | 579 | for parent in printer.Parents[:] : |
---|
| 580 | printer.Parents.extend(self.getParentPrinters(parent)) |
---|
[1368] | 581 | uniquedic = {} |
---|
| 582 | for parent in printer.Parents : |
---|
| 583 | uniquedic[parent.Name] = parent |
---|
| 584 | printer.Parents = uniquedic.values() |
---|
[1252] | 585 | return printer.Parents |
---|
[1249] | 586 | |
---|
[1137] | 587 | def getGroupMembers(self, group) : |
---|
| 588 | """Returns the group's members list from in-group cache.""" |
---|
| 589 | if self.usecache : |
---|
| 590 | if not hasattr(group, "Members") : |
---|
| 591 | self.tool.logdebug("Cache miss (%s->Members)" % group.Name) |
---|
| 592 | group.Members = self.getGroupMembersFromBackend(group) |
---|
| 593 | self.tool.logdebug("Cache store (%s->Members)" % group.Name) |
---|
| 594 | else : |
---|
| 595 | self.tool.logdebug("Cache hit (%s->Members)" % group.Name) |
---|
| 596 | else : |
---|
| 597 | group.Members = self.getGroupMembersFromBackend(group) |
---|
| 598 | return group.Members |
---|
| 599 | |
---|
| 600 | def getUserGroups(self, user) : |
---|
| 601 | """Returns the user's groups list from in-user cache.""" |
---|
| 602 | if self.usecache : |
---|
| 603 | if not hasattr(user, "Groups") : |
---|
| 604 | self.tool.logdebug("Cache miss (%s->Groups)" % user.Name) |
---|
| 605 | user.Groups = self.getUserGroupsFromBackend(user) |
---|
| 606 | self.tool.logdebug("Cache store (%s->Groups)" % user.Name) |
---|
| 607 | else : |
---|
| 608 | self.tool.logdebug("Cache hit (%s->Groups)" % user.Name) |
---|
| 609 | else : |
---|
| 610 | user.Groups = self.getUserGroupsFromBackend(user) |
---|
| 611 | return user.Groups |
---|
| 612 | |
---|
[1240] | 613 | def getParentPrintersUserPQuota(self, userpquota) : |
---|
[1364] | 614 | """Returns all user print quota on the printer and all its parents recursively.""" |
---|
[1365] | 615 | upquotas = [ ] |
---|
[1240] | 616 | for printer in self.getParentPrinters(userpquota.Printer) : |
---|
[1395] | 617 | upq = self.getUserPQuota(userpquota.User, printer) |
---|
| 618 | if upq.Exists : |
---|
| 619 | upquotas.append(upq) |
---|
[1240] | 620 | return upquotas |
---|
| 621 | |
---|
[1365] | 622 | def getParentPrintersGroupPQuota(self, grouppquota) : |
---|
| 623 | """Returns all group print quota on the printer and all its parents recursively.""" |
---|
| 624 | gpquotas = [ ] |
---|
| 625 | for printer in self.getParentPrinters(grouppquota.Printer) : |
---|
[1395] | 626 | gpq = self.getGroupPQuota(grouppquota.Group, printer) |
---|
| 627 | if gpq.Exists : |
---|
| 628 | gpquotas.append(gpq) |
---|
[1365] | 629 | return gpquotas |
---|
| 630 | |
---|
[1790] | 631 | def databaseToUserCharset(self, text) : |
---|
| 632 | """Converts from database format (UTF-8) to user's charset.""" |
---|
| 633 | if text is not None : |
---|
| 634 | try : |
---|
| 635 | return unicode(text, "UTF-8").encode(self.tool.getCharset()) |
---|
| 636 | except UnicodeError : |
---|
[1791] | 637 | try : |
---|
| 638 | # Incorrect locale settings ? |
---|
| 639 | return unicode(text, "UTF-8").encode("ISO-8859-15") |
---|
| 640 | except UnicodeError : |
---|
| 641 | pass |
---|
[1790] | 642 | return text |
---|
| 643 | |
---|
| 644 | def userCharsetToDatabase(self, text) : |
---|
| 645 | """Converts from user's charset to database format (UTF-8).""" |
---|
| 646 | if text is not None : |
---|
| 647 | try : |
---|
| 648 | return unicode(text, self.tool.getCharset()).encode("UTF-8") |
---|
| 649 | except UnicodeError : |
---|
[1791] | 650 | try : |
---|
| 651 | # Incorrect locale settings ? |
---|
| 652 | return unicode(text, "ISO-8859-15").encode("UTF-8") |
---|
| 653 | except UnicodeError : |
---|
| 654 | pass |
---|
[1790] | 655 | return text |
---|
| 656 | |
---|
[2266] | 657 | def cleanDates(self, startdate, enddate) : |
---|
| 658 | """Clean the dates to create a correct filter.""" |
---|
| 659 | if startdate is None : |
---|
| 660 | startdate = enddate |
---|
| 661 | if enddate is None : |
---|
| 662 | enddate = startdate |
---|
| 663 | if (startdate is None) and (enddate is None) : |
---|
| 664 | return (None, None) |
---|
[2268] | 665 | |
---|
| 666 | now = DateTime.now() |
---|
| 667 | nameddates = ('yesterday', 'today', 'now', 'tomorrow') |
---|
[2276] | 668 | datedict = { "start" : startdate.lower(), "end" : enddate.lower() } |
---|
| 669 | for limit in datedict.keys() : |
---|
| 670 | dateval = datedict[limit] |
---|
| 671 | for name in nameddates : |
---|
| 672 | if dateval.startswith(name) : |
---|
| 673 | try : |
---|
| 674 | offset = int(dateval[len(name):]) |
---|
| 675 | except : |
---|
| 676 | offset = 0 |
---|
| 677 | dateval = dateval[:len(name)] |
---|
[2268] | 678 | if limit == "start" : |
---|
| 679 | if dateval == "yesterday" : |
---|
[2276] | 680 | dateval = (now - 1 + offset).Format("%Y%m%d000000") |
---|
[2268] | 681 | elif dateval == "today" : |
---|
[2276] | 682 | dateval = (now + offset).Format("%Y%m%d000000") |
---|
[2268] | 683 | elif dateval == "now" : |
---|
[2276] | 684 | dateval = (now + offset).Format("%Y%m%d%H%M%S") |
---|
[2268] | 685 | else : # tomorrow |
---|
[2276] | 686 | dateval = (now + 1 + offset).Format("%Y%m%d000000") |
---|
[2268] | 687 | else : |
---|
| 688 | if dateval == "yesterday" : |
---|
[2276] | 689 | dateval = (now - 1 + offset).Format("%Y%m%d235959") |
---|
[2268] | 690 | elif dateval == "today" : |
---|
[2276] | 691 | dateval = (now + offset).Format("%Y%m%d235959") |
---|
[2268] | 692 | elif dateval == "now" : |
---|
[2276] | 693 | dateval = (now + offset).Format("%Y%m%d%H%M%S") |
---|
[2268] | 694 | else : # tomorrow |
---|
[2276] | 695 | dateval = (now + 1 + offset).Format("%Y%m%d235959") |
---|
| 696 | break |
---|
| 697 | |
---|
| 698 | if not dateval.isdigit() : |
---|
| 699 | dateval = None |
---|
| 700 | else : |
---|
[2266] | 701 | lgdateval = len(dateval) |
---|
| 702 | if lgdateval == 4 : |
---|
| 703 | if limit == "start" : |
---|
| 704 | dateval = "%s0101 00:00:00" % dateval |
---|
| 705 | else : |
---|
| 706 | dateval = "%s1231 23:59:59" % dateval |
---|
| 707 | elif lgdateval == 6 : |
---|
| 708 | if limit == "start" : |
---|
| 709 | dateval = "%s01 00:00:00" % dateval |
---|
| 710 | else : |
---|
| 711 | mxdate = DateTime.ISO.ParseDateTime("%s01 00:00:00" % dateval) |
---|
| 712 | dateval = "%s%02i 23:59:59" % (dateval, mxdate.days_in_month) |
---|
| 713 | elif lgdateval == 8 : |
---|
| 714 | if limit == "start" : |
---|
| 715 | dateval = "%s 00:00:00" % dateval |
---|
| 716 | else : |
---|
| 717 | dateval = "%s 23:59:59" % dateval |
---|
| 718 | elif lgdateval == 10 : |
---|
| 719 | if limit == "start" : |
---|
| 720 | dateval = "%s %s:00:00" % (dateval[:8], dateval[8:]) |
---|
| 721 | else : |
---|
| 722 | dateval = "%s %s:59:59" % (dateval[:8], dateval[8:]) |
---|
| 723 | elif lgdateval == 12 : |
---|
| 724 | if limit == "start" : |
---|
| 725 | dateval = "%s %s:%s:00" % (dateval[:8], dateval[8:10], dateval[10:]) |
---|
| 726 | else : |
---|
| 727 | dateval = "%s %s:%s:59" % (dateval[:8], dateval[8:10], dateval[10:]) |
---|
| 728 | elif lgdateval == 14 : |
---|
| 729 | dateval = "%s %s:%s:%s" % (dateval[:8], dateval[8:10], dateval[10:12], dateval[12:]) |
---|
| 730 | else : |
---|
| 731 | dateval = None |
---|
| 732 | try : |
---|
| 733 | DateTime.ISO.ParseDateTime(dateval) |
---|
| 734 | except : |
---|
| 735 | dateval = None |
---|
[2276] | 736 | datedict[limit] = dateval |
---|
| 737 | (start, end) = (datedict["start"], datedict["end"]) |
---|
| 738 | if start > end : |
---|
| 739 | (start, end) = (end, start) |
---|
| 740 | return (start, end) |
---|
[2266] | 741 | |
---|
[1021] | 742 | def openConnection(pykotatool) : |
---|
[695] | 743 | """Returns a connection handle to the appropriate Quota Storage Database.""" |
---|
[1021] | 744 | backendinfo = pykotatool.config.getStorageBackend() |
---|
[800] | 745 | backend = backendinfo["storagebackend"] |
---|
[695] | 746 | try : |
---|
[1219] | 747 | exec "from pykota.storages import %s as storagebackend" % backend.lower() |
---|
[695] | 748 | except ImportError : |
---|
[773] | 749 | raise PyKotaStorageError, _("Unsupported quota storage backend %s") % backend |
---|
[695] | 750 | else : |
---|
[800] | 751 | host = backendinfo["storageserver"] |
---|
| 752 | database = backendinfo["storagename"] |
---|
[1087] | 753 | admin = backendinfo["storageadmin"] or backendinfo["storageuser"] |
---|
| 754 | adminpw = backendinfo["storageadminpw"] or backendinfo["storageuserpw"] |
---|
[1240] | 755 | return storagebackend.Storage(pykotatool, host, database, admin, adminpw) |
---|