[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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[3133] | 6 | # (c) 2003, 2004, 2005, 2006, 2007 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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[3444] | 16 | # |
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[873] | 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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[3056] | 25 | """This module is the database abstraction layer for PyKota.""" |
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| 26 | |
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[2945] | 27 | import os |
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| 28 | import imp |
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[2266] | 29 | from mx import DateTime |
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| 30 | |
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[695] | 31 | class PyKotaStorageError(Exception): |
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[2717] | 32 | """An exception for database related stuff.""" |
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[695] | 33 | def __init__(self, message = ""): |
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| 34 | self.message = message |
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| 35 | Exception.__init__(self, message) |
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| 36 | def __repr__(self): |
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| 37 | return self.message |
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| 38 | __str__ = __repr__ |
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[3444] | 39 | |
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| 40 | |
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[1041] | 41 | class StorageObject : |
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[2717] | 42 | """Object present in the database.""" |
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[1041] | 43 | def __init__(self, parent) : |
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| 44 | "Initialize minimal data.""" |
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| 45 | self.parent = parent |
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| 46 | self.ident = None |
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[2697] | 47 | self.Description = None |
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[2676] | 48 | self.isDirty = False |
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| 49 | self.Exists = False |
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[3444] | 50 | |
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[2696] | 51 | def setDescription(self, description=None) : |
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| 52 | """Sets the object's description.""" |
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| 53 | if description is not None : |
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| 54 | self.Description = str(description) |
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[3444] | 55 | self.isDirty = True |
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| 56 | |
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| 57 | def save(self) : |
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[2699] | 58 | """Saves the object to the database.""" |
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| 59 | if self.isDirty : |
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| 60 | getattr(self.parent, "save%s" % self.__class__.__name__[7:])(self) |
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| 61 | self.isDirty = False |
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[3444] | 62 | |
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| 63 | |
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| 64 | class StorageUser(StorageObject) : |
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[1041] | 65 | """User class.""" |
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| 66 | def __init__(self, parent, name) : |
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| 67 | StorageObject.__init__(self, parent) |
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| 68 | self.Name = name |
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| 69 | self.LimitBy = None |
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| 70 | self.AccountBalance = None |
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| 71 | self.LifeTimePaid = None |
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[1067] | 72 | self.Email = None |
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[2054] | 73 | self.OverCharge = 1.0 |
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[1522] | 74 | self.Payments = [] # TODO : maybe handle this smartly for SQL, for now just don't retrieve them |
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[2773] | 75 | self.PaymentsBacklog = [] |
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[3444] | 76 | |
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| 77 | def consumeAccountBalance(self, amount) : |
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[1041] | 78 | """Consumes an amount of money from the user's account balance.""" |
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[1269] | 79 | self.parent.decreaseUserAccountBalance(self, amount) |
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| 80 | self.AccountBalance = float(self.AccountBalance or 0.0) - amount |
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[3444] | 81 | |
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[2452] | 82 | def setAccountBalance(self, balance, lifetimepaid, comment="") : |
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[1041] | 83 | """Sets the user's account balance in case he pays more money.""" |
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[1522] | 84 | diff = float(lifetimepaid or 0.0) - float(self.LifeTimePaid or 0.0) |
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[2707] | 85 | self.AccountBalance = balance |
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| 86 | self.LifeTimePaid = lifetimepaid |
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[2773] | 87 | if diff : |
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| 88 | self.PaymentsBacklog.append((diff, comment)) |
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[2707] | 89 | self.isDirty = True |
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[3444] | 90 | |
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| 91 | def save(self) : |
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[2773] | 92 | """Saves an user and flush its payments backlog.""" |
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| 93 | for (value, comment) in self.PaymentsBacklog : |
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| 94 | self.parent.writeNewPayment(self, value, comment) |
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[3444] | 95 | self.PaymentsBacklog = [] |
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| 96 | StorageObject.save(self) |
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| 97 | |
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| 98 | def setLimitBy(self, limitby) : |
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[1041] | 99 | """Sets the user's limiting factor.""" |
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[1062] | 100 | try : |
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| 101 | limitby = limitby.lower() |
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[3444] | 102 | except AttributeError : |
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[1062] | 103 | limitby = "quota" |
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[2452] | 104 | if limitby in ["quota", "balance", \ |
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| 105 | "noquota", "noprint", "nochange"] : |
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[1041] | 106 | self.LimitBy = limitby |
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[2706] | 107 | self.isDirty = True |
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[3444] | 108 | |
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| 109 | def setOverChargeFactor(self, factor) : |
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[2054] | 110 | """Sets the user's overcharging coefficient.""" |
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| 111 | self.OverCharge = factor |
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[2706] | 112 | self.isDirty = True |
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[3444] | 113 | |
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| 114 | def setEmail(self, email) : |
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[2937] | 115 | """Sets the user's email address.""" |
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| 116 | self.Email = email |
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| 117 | self.isDirty = True |
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[3444] | 118 | |
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| 119 | def delete(self) : |
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[2717] | 120 | """Deletes an user from the database.""" |
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[2801] | 121 | self.parent.deleteUser(self) |
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| 122 | self.parent.flushEntry("USERS", self.Name) |
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| 123 | if self.parent.usecache : |
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| 124 | for (k, v) in self.parent.caches["USERPQUOTAS"].items() : |
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| 125 | if v.User.Name == self.Name : |
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| 126 | self.parent.flushEntry("USERPQUOTAS", "%s@%s" % (v.User.Name, v.Printer.Name)) |
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| 127 | self.Exists = False |
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[3444] | 128 | self.isDirty = False |
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| 129 | |
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[3060] | 130 | def refund(self, amount, reason) : |
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[3056] | 131 | """Refunds a number of credits to an user.""" |
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| 132 | self.consumeAccountBalance(-amount) |
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[3060] | 133 | self.parent.writeNewPayment(self, -amount, reason) |
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[3444] | 134 | |
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| 135 | |
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| 136 | class StorageGroup(StorageObject) : |
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[1041] | 137 | """User 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.LimitBy = None |
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| 142 | self.AccountBalance = None |
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| 143 | self.LifeTimePaid = None |
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[3444] | 144 | |
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| 145 | def setLimitBy(self, limitby) : |
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[1041] | 146 | """Sets the user's limiting factor.""" |
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[1062] | 147 | try : |
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| 148 | limitby = limitby.lower() |
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[3444] | 149 | except AttributeError : |
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[1062] | 150 | limitby = "quota" |
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[2452] | 151 | if limitby in ["quota", "balance", "noquota"] : |
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[1041] | 152 | self.LimitBy = limitby |
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[2706] | 153 | self.isDirty = True |
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[3444] | 154 | |
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[2706] | 155 | def addUserToGroup(self, user) : |
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| 156 | """Adds an user to an users group.""" |
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| 157 | self.parent.addUserToGroup(user, self) |
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[3444] | 158 | |
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[2706] | 159 | def delUserFromGroup(self, user) : |
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| 160 | """Removes an user from an users group.""" |
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| 161 | self.parent.delUserFromGroup(user, self) |
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[3444] | 162 | |
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| 163 | def delete(self) : |
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[2717] | 164 | """Deletes a group from the database.""" |
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[2801] | 165 | self.parent.deleteGroup(self) |
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| 166 | self.parent.flushEntry("GROUPS", self.Name) |
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| 167 | if self.parent.usecache : |
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| 168 | for (k, v) in self.parent.caches["GROUPPQUOTAS"].items() : |
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| 169 | if v.Group.Name == self.Name : |
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| 170 | self.parent.flushEntry("GROUPPQUOTAS", "%s@%s" % (v.Group.Name, v.Printer.Name)) |
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| 171 | self.Exists = False |
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[3444] | 172 | self.isDirty = False |
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| 173 | |
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| 174 | |
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[1041] | 175 | class StoragePrinter(StorageObject) : |
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| 176 | """Printer class.""" |
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| 177 | def __init__(self, parent, name) : |
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| 178 | StorageObject.__init__(self, parent) |
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| 179 | self.Name = name |
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| 180 | self.PricePerPage = None |
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| 181 | self.PricePerJob = None |
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[2455] | 182 | self.MaxJobSize = None |
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[2459] | 183 | self.PassThrough = None |
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[3444] | 184 | |
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| 185 | def __getattr__(self, name) : |
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[1358] | 186 | """Delays data retrieval until it's really needed.""" |
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[3444] | 187 | if name == "LastJob" : |
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[1358] | 188 | self.LastJob = self.parent.getPrinterLastJob(self) |
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[3033] | 189 | self.parent.tool.logdebug("Lazy retrieval of last job for printer %s" % self.Name) |
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[1358] | 190 | return self.LastJob |
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[3444] | 191 | elif name == "Coefficients" : |
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[3033] | 192 | self.Coefficients = self.parent.tool.config.getPrinterCoefficients(self.Name) |
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| 193 | self.parent.tool.logdebug("Lazy retrieval of coefficients for printer %s : %s" % (self.Name, self.Coefficients)) |
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| 194 | return self.Coefficients |
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[1358] | 195 | else : |
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| 196 | raise AttributeError, name |
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[3444] | 197 | |
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[2455] | 198 | 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, precomputedsize=None, precomputedprice=None) : |
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[1041] | 199 | """Adds a job to the printer's history.""" |
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[2455] | 200 | self.parent.writeJobNew(self, user, jobid, pagecounter, action, jobsize, jobprice, filename, title, copies, options, clienthost, jobsizebytes, jobmd5sum, jobpages, jobbilling, precomputedsize, precomputedprice) |
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[1041] | 201 | # TODO : update LastJob object ? Probably not needed. |
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[3444] | 202 | |
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| 203 | def addPrinterToGroup(self, printer) : |
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[1258] | 204 | """Adds a printer to a printer group.""" |
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[1259] | 205 | if (printer not in self.parent.getParentPrinters(self)) and (printer.ident != self.ident) : |
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[1258] | 206 | self.parent.writePrinterToGroup(self, printer) |
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[1269] | 207 | # TODO : reset cached value for printer parents, or add new parent to cached value |
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[3444] | 208 | |
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| 209 | def delPrinterFromGroup(self, printer) : |
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[1332] | 210 | """Deletes a printer from a printer group.""" |
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[1333] | 211 | self.parent.removePrinterFromGroup(self, printer) |
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| 212 | # TODO : reset cached value for printer parents, or add new parent to cached value |
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[3444] | 213 | |
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| 214 | def setPrices(self, priceperpage = None, priceperjob = None) : |
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[1041] | 215 | """Sets the printer's prices.""" |
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| 216 | if priceperpage is None : |
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[1711] | 217 | priceperpage = self.PricePerPage or 0.0 |
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[3444] | 218 | else : |
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[1041] | 219 | self.PricePerPage = float(priceperpage) |
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[3444] | 220 | if priceperjob is None : |
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[1711] | 221 | priceperjob = self.PricePerJob or 0.0 |
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[3444] | 222 | else : |
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[1041] | 223 | self.PricePerJob = float(priceperjob) |
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[3444] | 224 | self.isDirty = True |
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| 225 | |
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[2686] | 226 | def setPassThrough(self, passthrough) : |
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| 227 | """Sets the printer's passthrough mode.""" |
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| 228 | self.PassThrough = passthrough |
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| 229 | self.isDirty = True |
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[3444] | 230 | |
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[2686] | 231 | def setMaxJobSize(self, maxjobsize) : |
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| 232 | """Sets the printer's maximal job size.""" |
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| 233 | self.MaxJobSize = maxjobsize |
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| 234 | self.isDirty = True |
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[3444] | 235 | |
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| 236 | def delete(self) : |
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[2717] | 237 | """Deletes a printer from the database.""" |
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[2801] | 238 | self.parent.deletePrinter(self) |
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| 239 | self.parent.flushEntry("PRINTERS", self.Name) |
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| 240 | if self.parent.usecache : |
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| 241 | for (k, v) in self.parent.caches["USERPQUOTAS"].items() : |
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| 242 | if v.Printer.Name == self.Name : |
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| 243 | self.parent.flushEntry("USERPQUOTAS", "%s@%s" % (v.User.Name, v.Printer.Name)) |
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| 244 | for (k, v) in self.parent.caches["GROUPPQUOTAS"].items() : |
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| 245 | if v.Printer.Name == self.Name : |
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| 246 | self.parent.flushEntry("GROUPPQUOTAS", "%s@%s" % (v.Group.Name, v.Printer.Name)) |
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| 247 | self.Exists = False |
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[3444] | 248 | self.isDirty = False |
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| 249 | |
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| 250 | |
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[1041] | 251 | class StorageUserPQuota(StorageObject) : |
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| 252 | """User Print Quota class.""" |
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| 253 | def __init__(self, parent, user, printer) : |
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| 254 | StorageObject.__init__(self, parent) |
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| 255 | self.User = user |
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| 256 | self.Printer = printer |
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| 257 | self.PageCounter = None |
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| 258 | self.LifePageCounter = None |
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| 259 | self.SoftLimit = None |
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| 260 | self.HardLimit = None |
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| 261 | self.DateLimit = None |
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[2054] | 262 | self.WarnCount = None |
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[2455] | 263 | self.MaxJobSize = None |
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[3444] | 264 | |
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| 265 | def __getattr__(self, name) : |
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[1358] | 266 | """Delays data retrieval until it's really needed.""" |
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[3444] | 267 | if name == "ParentPrintersUserPQuota" : |
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[1358] | 268 | self.ParentPrintersUserPQuota = (self.User.Exists and self.Printer.Exists and self.parent.getParentPrintersUserPQuota(self)) or [] |
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| 269 | return self.ParentPrintersUserPQuota |
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| 270 | else : |
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| 271 | raise AttributeError, name |
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[3444] | 272 | |
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| 273 | def setDateLimit(self, datelimit) : |
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[1041] | 274 | """Sets the date limit for this quota.""" |
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[3050] | 275 | datelimit = DateTime.ISO.ParseDateTime(str(datelimit)[:19]) |
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[1041] | 276 | date = "%04i-%02i-%02i %02i:%02i:%02i" % (datelimit.year, datelimit.month, datelimit.day, datelimit.hour, datelimit.minute, datelimit.second) |
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| 277 | self.parent.writeUserPQuotaDateLimit(self, date) |
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| 278 | self.DateLimit = date |
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[3444] | 279 | |
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| 280 | def setLimits(self, softlimit, hardlimit) : |
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[1041] | 281 | """Sets the soft and hard limit for this quota.""" |
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| 282 | self.SoftLimit = softlimit |
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| 283 | self.HardLimit = hardlimit |
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[1367] | 284 | self.DateLimit = None |
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[2054] | 285 | self.WarnCount = 0 |
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[2735] | 286 | self.isDirty = True |
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[3444] | 287 | |
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[1967] | 288 | def setUsage(self, used) : |
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| 289 | """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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| 290 | vused = int(used) |
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| 291 | if used.startswith("+") or used.startswith("-") : |
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[2030] | 292 | self.PageCounter += vused |
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| 293 | self.LifePageCounter += vused |
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[1967] | 294 | else : |
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[2030] | 295 | self.PageCounter = self.LifePageCounter = vused |
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| 296 | self.DateLimit = None |
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[2054] | 297 | self.WarnCount = 0 |
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[2735] | 298 | self.isDirty = 1 |
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[1967] | 299 | |
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[2066] | 300 | def incDenyBannerCounter(self) : |
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| 301 | """Increment the deny banner counter for this user quota.""" |
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[2054] | 302 | self.parent.increaseUserPQuotaWarnCount(self) |
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| 303 | self.WarnCount = (self.WarnCount or 0) + 1 |
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[3444] | 304 | |
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[2066] | 305 | def resetDenyBannerCounter(self) : |
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| 306 | """Resets the deny banner counter for this user quota.""" |
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| 307 | self.parent.writeUserPQuotaWarnCount(self, 0) |
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| 308 | self.WarnCount = 0 |
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[3444] | 309 | |
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| 310 | def reset(self) : |
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[1041] | 311 | """Resets page counter to 0.""" |
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| 312 | self.PageCounter = 0 |
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[2030] | 313 | self.DateLimit = None |
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[2735] | 314 | self.isDirty = True |
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[3444] | 315 | |
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| 316 | def hardreset(self) : |
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[1755] | 317 | """Resets actual and life time page counters to 0.""" |
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| 318 | self.PageCounter = self.LifePageCounter = 0 |
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[2030] | 319 | self.DateLimit = None |
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[2735] | 320 | self.isDirty = True |
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[3444] | 321 | |
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| 322 | def computeJobPrice(self, jobsize, inkusage=[]) : |
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[1285] | 323 | """Computes the job price as the sum of all parent printers' prices + current printer's ones.""" |
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[3444] | 324 | totalprice = 0.0 |
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[1285] | 325 | if jobsize : |
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[2054] | 326 | if self.User.OverCharge != 0.0 : # optimization, but TODO : beware of rounding errors |
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| 327 | for upq in [ self ] + self.ParentPrintersUserPQuota : |
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[3036] | 328 | totalprice += float(upq.Printer.PricePerJob or 0.0) |
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| 329 | pageprice = float(upq.Printer.PricePerPage or 0.0) |
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| 330 | if not inkusage : |
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| 331 | totalprice += (jobsize * pageprice) |
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[3444] | 332 | else : |
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[3036] | 333 | for pageindex in range(jobsize) : |
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| 334 | try : |
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| 335 | usage = inkusage[pageindex] |
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[3444] | 336 | except IndexError : |
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[3036] | 337 | self.parent.tool.logdebug("No ink usage information. Using base cost of %f credits for page %i." % (pageprice, pageindex+1)) |
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| 338 | totalprice += pageprice |
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[3444] | 339 | else : |
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[3036] | 340 | coefficients = self.Printer.Coefficients |
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| 341 | for (ink, value) in usage.items() : |
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| 342 | coefvalue = coefficients.get(ink, 1.0) |
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| 343 | coefprice = (coefvalue * pageprice) / 100.0 |
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| 344 | inkprice = coefprice * value |
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| 345 | self.parent.tool.logdebug("Applying coefficient %f for color %s (used at %f%% on page %i) to base cost %f gives %f" % (coefvalue, ink, value, pageindex+1, pageprice, inkprice)) |
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[3101] | 346 | totalprice += inkprice |
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[2054] | 347 | if self.User.OverCharge != 1.0 : # TODO : beware of rounding errors |
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[3444] | 348 | overcharged = totalprice * self.User.OverCharge |
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[3036] | 349 | self.parent.tool.logdebug("Overcharging %s by a factor of %s ===> User %s will be charged for %s credits." % (totalprice, self.User.OverCharge, self.User.Name, overcharged)) |
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[2054] | 350 | return overcharged |
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[3444] | 351 | else : |
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[2054] | 352 | return totalprice |
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[3444] | 353 | |
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[3036] | 354 | def increasePagesUsage(self, jobsize, inkusage=[]) : |
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[1041] | 355 | """Increase the value of used pages and money.""" |
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[3036] | 356 | jobprice = self.computeJobPrice(jobsize, inkusage) |
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[1285] | 357 | if jobsize : |
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[2409] | 358 | if jobprice : |
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| 359 | self.User.consumeAccountBalance(jobprice) |
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| 360 | for upq in [ self ] + self.ParentPrintersUserPQuota : |
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| 361 | self.parent.increaseUserPQuotaPagesCounters(upq, jobsize) |
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| 362 | upq.PageCounter = int(upq.PageCounter or 0) + jobsize |
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| 363 | upq.LifePageCounter = int(upq.LifePageCounter or 0) + jobsize |
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[1285] | 364 | return jobprice |
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[3444] | 365 | |
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| 366 | def delete(self) : |
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[2717] | 367 | """Deletes an user print quota entry from the database.""" |
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[2801] | 368 | self.parent.deleteUserPQuota(self) |
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| 369 | if self.parent.usecache : |
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| 370 | self.parent.flushEntry("USERPQUOTAS", "%s@%s" % (self.User.Name, self.Printer.Name)) |
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| 371 | self.Exists = False |
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| 372 | self.isDirty = False |
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[3444] | 373 | |
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| 374 | def refund(self, nbpages) : |
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[3056] | 375 | """Refunds a number of pages to an user on a particular printer.""" |
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| 376 | self.parent.increaseUserPQuotaPagesCounters(self, -nbpages) |
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| 377 | self.PageCounter = int(self.PageCounter or 0) - nbpages |
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| 378 | self.LifePageCounter = int(self.LifePageCounter or 0) - nbpages |
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[3444] | 379 | |
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| 380 | |
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[1041] | 381 | class StorageGroupPQuota(StorageObject) : |
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| 382 | """Group Print Quota class.""" |
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| 383 | def __init__(self, parent, group, printer) : |
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| 384 | StorageObject.__init__(self, parent) |
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| 385 | self.Group = group |
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| 386 | self.Printer = printer |
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| 387 | self.PageCounter = None |
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| 388 | self.LifePageCounter = None |
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| 389 | self.SoftLimit = None |
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| 390 | self.HardLimit = None |
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| 391 | self.DateLimit = None |
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[2455] | 392 | self.MaxJobSize = None |
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[3444] | 393 | |
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| 394 | def __getattr__(self, name) : |
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[1365] | 395 | """Delays data retrieval until it's really needed.""" |
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[3444] | 396 | if name == "ParentPrintersGroupPQuota" : |
---|
[1365] | 397 | self.ParentPrintersGroupPQuota = (self.Group.Exists and self.Printer.Exists and self.parent.getParentPrintersGroupPQuota(self)) or [] |
---|
| 398 | return self.ParentPrintersGroupPQuota |
---|
| 399 | else : |
---|
| 400 | raise AttributeError, name |
---|
[3444] | 401 | |
---|
| 402 | def reset(self) : |
---|
[2030] | 403 | """Resets page counter to 0.""" |
---|
[2801] | 404 | for user in self.parent.getGroupMembers(self.Group) : |
---|
| 405 | uq = self.parent.getUserPQuota(user, self.Printer) |
---|
| 406 | uq.reset() |
---|
| 407 | uq.save() |
---|
[2030] | 408 | self.PageCounter = 0 |
---|
| 409 | self.DateLimit = None |
---|
[2735] | 410 | self.isDirty = True |
---|
[3444] | 411 | |
---|
| 412 | def hardreset(self) : |
---|
[2030] | 413 | """Resets actual and life time page counters to 0.""" |
---|
[2801] | 414 | for user in self.parent.getGroupMembers(self.Group) : |
---|
| 415 | uq = self.parent.getUserPQuota(user, self.Printer) |
---|
| 416 | uq.hardreset() |
---|
| 417 | uq.save() |
---|
[2030] | 418 | self.PageCounter = self.LifePageCounter = 0 |
---|
| 419 | self.DateLimit = None |
---|
[2735] | 420 | self.isDirty = True |
---|
[3444] | 421 | |
---|
| 422 | def setDateLimit(self, datelimit) : |
---|
[1041] | 423 | """Sets the date limit for this quota.""" |
---|
[3050] | 424 | datelimit = DateTime.ISO.ParseDateTime(str(datelimit)[:19]) |
---|
[2450] | 425 | date = "%04i-%02i-%02i %02i:%02i:%02i" % (datelimit.year, \ |
---|
| 426 | datelimit.month, \ |
---|
| 427 | datelimit.day, \ |
---|
| 428 | datelimit.hour, \ |
---|
| 429 | datelimit.minute, \ |
---|
| 430 | datelimit.second) |
---|
[1041] | 431 | self.parent.writeGroupPQuotaDateLimit(self, date) |
---|
| 432 | self.DateLimit = date |
---|
[3444] | 433 | |
---|
| 434 | def setLimits(self, softlimit, hardlimit) : |
---|
[1041] | 435 | """Sets the soft and hard limit for this quota.""" |
---|
| 436 | self.SoftLimit = softlimit |
---|
| 437 | self.HardLimit = hardlimit |
---|
[1367] | 438 | self.DateLimit = None |
---|
[2735] | 439 | self.isDirty = True |
---|
[3444] | 440 | |
---|
| 441 | def delete(self) : |
---|
[2717] | 442 | """Deletes a group print quota entry from the database.""" |
---|
[2801] | 443 | self.parent.deleteGroupPQuota(self) |
---|
| 444 | if self.parent.usecache : |
---|
| 445 | self.parent.flushEntry("GROUPPQUOTAS", "%s@%s" % (self.Group.Name, self.Printer.Name)) |
---|
| 446 | self.Exists = False |
---|
| 447 | self.isDirty = False |
---|
[3444] | 448 | |
---|
| 449 | |
---|
[1274] | 450 | class StorageJob(StorageObject) : |
---|
[1692] | 451 | """Printer's Job class.""" |
---|
[1274] | 452 | def __init__(self, parent) : |
---|
[1041] | 453 | StorageObject.__init__(self, parent) |
---|
[1358] | 454 | self.UserName = None |
---|
| 455 | self.PrinterName = None |
---|
[1041] | 456 | self.JobId = None |
---|
| 457 | self.PrinterPageCounter = None |
---|
[1520] | 458 | self.JobSizeBytes = None |
---|
[1041] | 459 | self.JobSize = None |
---|
| 460 | self.JobAction = None |
---|
| 461 | self.JobDate = None |
---|
[1203] | 462 | self.JobPrice = None |
---|
| 463 | self.JobFileName = None |
---|
| 464 | self.JobTitle = None |
---|
| 465 | self.JobCopies = None |
---|
| 466 | self.JobOptions = None |
---|
[1502] | 467 | self.JobHostName = None |
---|
[2054] | 468 | self.JobMD5Sum = None |
---|
| 469 | self.JobPages = None |
---|
| 470 | self.JobBillingCode = None |
---|
[2455] | 471 | self.PrecomputedJobSize = None |
---|
| 472 | self.PrecomputedJobPrice = None |
---|
[3444] | 473 | |
---|
| 474 | def __getattr__(self, name) : |
---|
[1358] | 475 | """Delays data retrieval until it's really needed.""" |
---|
[3444] | 476 | if name == "User" : |
---|
[1358] | 477 | self.User = self.parent.getUser(self.UserName) |
---|
| 478 | return self.User |
---|
[3444] | 479 | elif name == "Printer" : |
---|
[1358] | 480 | self.Printer = self.parent.getPrinter(self.PrinterName) |
---|
| 481 | return self.Printer |
---|
| 482 | else : |
---|
| 483 | raise AttributeError, name |
---|
[3444] | 484 | |
---|
| 485 | def refund(self, reason) : |
---|
[3056] | 486 | """Refund a particular print job.""" |
---|
[3057] | 487 | if (not self.JobSize) or (self.JobAction in ("DENY", "CANCEL", "REFUND")) : |
---|
[3056] | 488 | return |
---|
[3444] | 489 | try : |
---|
| 490 | loginname = os.getlogin() |
---|
| 491 | except OSError : |
---|
| 492 | import pwd |
---|
| 493 | loginname = pwd.getpwuid(os.getuid()).pw_name |
---|
[3062] | 494 | basereason = _("Refunded %i pages and %.3f credits by %s (%s) on %s") \ |
---|
| 495 | % (self.JobSize, |
---|
| 496 | self.JobPrice, |
---|
[3064] | 497 | self.parent.tool.originalUserName, |
---|
[3444] | 498 | loginname, |
---|
[3062] | 499 | str(DateTime.now())[:19]) |
---|
[3444] | 500 | if reason : |
---|
[3062] | 501 | reason = "%s : %s" % (basereason, reason) |
---|
[3444] | 502 | else : |
---|
[3062] | 503 | reason = basereason |
---|
[3444] | 504 | self.parent.tool.logdebug("Refunding job %s..." % self.ident) |
---|
[3056] | 505 | self.parent.beginTransaction() |
---|
| 506 | try : |
---|
| 507 | if self.JobBillingCode : |
---|
| 508 | bcode = self.parent.getBillingCode(self.JobBillingCode) |
---|
| 509 | bcode.refund(self.JobSize, self.JobPrice) |
---|
[3444] | 510 | |
---|
[3056] | 511 | if self.User.Exists : |
---|
[3060] | 512 | self.User.refund(self.JobPrice, reason) |
---|
[3444] | 513 | if self.Printer.Exists : |
---|
| 514 | upq = self.parent.getUserPQuota(self.User, self.Printer) |
---|
[3056] | 515 | if upq.Exists : |
---|
| 516 | upq.refund(self.JobSize) |
---|
| 517 | self.parent.refundJob(self.ident) |
---|
[3444] | 518 | except : |
---|
[3056] | 519 | self.parent.rollbackTransaction() |
---|
[3062] | 520 | self.parent.tool.logdebug("Error while refunding job %s." % self.ident) |
---|
[3056] | 521 | raise |
---|
[3444] | 522 | else : |
---|
[3056] | 523 | self.parent.commitTransaction() |
---|
[3062] | 524 | self.parent.tool.logdebug("Job %s refunded." % self.ident) |
---|
[3444] | 525 | |
---|
| 526 | |
---|
[1274] | 527 | class StorageLastJob(StorageJob) : |
---|
| 528 | """Printer's Last Job class.""" |
---|
| 529 | def __init__(self, parent, printer) : |
---|
| 530 | StorageJob.__init__(self, parent) |
---|
[1359] | 531 | self.PrinterName = printer.Name # not needed |
---|
[1274] | 532 | self.Printer = printer |
---|
[3444] | 533 | |
---|
| 534 | |
---|
[2340] | 535 | class StorageBillingCode(StorageObject) : |
---|
| 536 | """Billing code class.""" |
---|
| 537 | def __init__(self, parent, name) : |
---|
| 538 | StorageObject.__init__(self, parent) |
---|
| 539 | self.BillingCode = name |
---|
| 540 | self.PageCounter = None |
---|
| 541 | self.Balance = None |
---|
[3444] | 542 | |
---|
| 543 | def delete(self) : |
---|
[2340] | 544 | """Deletes the billing code from the database.""" |
---|
| 545 | self.parent.deleteBillingCode(self) |
---|
[2450] | 546 | self.parent.flushEntry("BILLINGCODES", self.BillingCode) |
---|
[2686] | 547 | self.isDirty = False |
---|
[2676] | 548 | self.Exists = False |
---|
[3444] | 549 | |
---|
| 550 | def reset(self, balance=0.0, pagecounter=0) : |
---|
[2340] | 551 | """Resets the pagecounter and balance for this billing code.""" |
---|
[2686] | 552 | self.Balance = balance |
---|
| 553 | self.PageCounter = pagecounter |
---|
| 554 | self.isDirty = True |
---|
[3444] | 555 | |
---|
[2340] | 556 | def consume(self, pages, price) : |
---|
| 557 | """Consumes some pages and credits for this billing code.""" |
---|
| 558 | if pages : |
---|
[3056] | 559 | self.parent.consumeBillingCode(self, pages, price) |
---|
| 560 | self.PageCounter += pages |
---|
| 561 | self.Balance -= price |
---|
[3444] | 562 | |
---|
[3056] | 563 | def refund(self, pages, price) : |
---|
| 564 | """Refunds a particular billing code.""" |
---|
| 565 | self.consume(-pages, -price) |
---|
[3444] | 566 | |
---|
| 567 | |
---|
[1130] | 568 | class BaseStorage : |
---|
| 569 | def __init__(self, pykotatool) : |
---|
[1523] | 570 | """Opens the storage connection.""" |
---|
[1130] | 571 | self.closed = 1 |
---|
| 572 | self.tool = pykotatool |
---|
| 573 | self.usecache = pykotatool.config.getCaching() |
---|
[1148] | 574 | self.disablehistory = pykotatool.config.getDisableHistory() |
---|
[1875] | 575 | self.privacy = pykotatool.config.getPrivacy() |
---|
| 576 | if self.privacy : |
---|
| 577 | pykotatool.logdebug("Jobs' title, filename and options will be hidden because of privacy concerns.") |
---|
[1130] | 578 | if self.usecache : |
---|
| 579 | self.tool.logdebug("Caching enabled.") |
---|
[2450] | 580 | self.caches = { "USERS" : {}, \ |
---|
| 581 | "GROUPS" : {}, \ |
---|
| 582 | "PRINTERS" : {}, \ |
---|
| 583 | "USERPQUOTAS" : {}, \ |
---|
| 584 | "GROUPPQUOTAS" : {}, \ |
---|
| 585 | "JOBS" : {}, \ |
---|
| 586 | "LASTJOBS" : {}, \ |
---|
| 587 | "BILLINGCODES" : {} } |
---|
[3444] | 588 | |
---|
| 589 | def close(self) : |
---|
[1240] | 590 | """Must be overriden in children classes.""" |
---|
| 591 | raise RuntimeError, "BaseStorage.close() must be overriden !" |
---|
[3444] | 592 | |
---|
| 593 | def __del__(self) : |
---|
[1130] | 594 | """Ensures that the database connection is closed.""" |
---|
| 595 | self.close() |
---|
[3444] | 596 | |
---|
[1130] | 597 | def getFromCache(self, cachetype, key) : |
---|
| 598 | """Tries to extract something from the cache.""" |
---|
| 599 | if self.usecache : |
---|
| 600 | entry = self.caches[cachetype].get(key) |
---|
| 601 | if entry is not None : |
---|
| 602 | self.tool.logdebug("Cache hit (%s->%s)" % (cachetype, key)) |
---|
[3444] | 603 | else : |
---|
[1130] | 604 | self.tool.logdebug("Cache miss (%s->%s)" % (cachetype, key)) |
---|
[3444] | 605 | return entry |
---|
| 606 | |
---|
| 607 | def cacheEntry(self, cachetype, key, value) : |
---|
[1130] | 608 | """Puts an entry in the cache.""" |
---|
[1151] | 609 | if self.usecache and getattr(value, "Exists", 0) : |
---|
[1130] | 610 | self.caches[cachetype][key] = value |
---|
[1132] | 611 | self.tool.logdebug("Cache store (%s->%s)" % (cachetype, key)) |
---|
[3444] | 612 | |
---|
| 613 | def flushEntry(self, cachetype, key) : |
---|
[2450] | 614 | """Removes an entry from the cache.""" |
---|
| 615 | if self.usecache : |
---|
| 616 | try : |
---|
| 617 | del self.caches[cachetype][key] |
---|
[3444] | 618 | except KeyError : |
---|
[2450] | 619 | pass |
---|
[3444] | 620 | else : |
---|
[2450] | 621 | self.tool.logdebug("Cache flush (%s->%s)" % (cachetype, key)) |
---|
[3444] | 622 | |
---|
| 623 | def getUser(self, username) : |
---|
[1130] | 624 | """Returns the user from cache.""" |
---|
| 625 | user = self.getFromCache("USERS", username) |
---|
| 626 | if user is None : |
---|
| 627 | user = self.getUserFromBackend(username) |
---|
| 628 | self.cacheEntry("USERS", username, user) |
---|
[3444] | 629 | return user |
---|
| 630 | |
---|
| 631 | def getGroup(self, groupname) : |
---|
[1130] | 632 | """Returns the group from cache.""" |
---|
| 633 | group = self.getFromCache("GROUPS", groupname) |
---|
| 634 | if group is None : |
---|
| 635 | group = self.getGroupFromBackend(groupname) |
---|
| 636 | self.cacheEntry("GROUPS", groupname, group) |
---|
[3444] | 637 | return group |
---|
| 638 | |
---|
| 639 | def getPrinter(self, printername) : |
---|
[1130] | 640 | """Returns the printer from cache.""" |
---|
| 641 | printer = self.getFromCache("PRINTERS", printername) |
---|
| 642 | if printer is None : |
---|
| 643 | printer = self.getPrinterFromBackend(printername) |
---|
| 644 | self.cacheEntry("PRINTERS", printername, printer) |
---|
[3444] | 645 | return printer |
---|
| 646 | |
---|
| 647 | def getUserPQuota(self, user, printer) : |
---|
[1130] | 648 | """Returns the user quota information from cache.""" |
---|
| 649 | useratprinter = "%s@%s" % (user.Name, printer.Name) |
---|
| 650 | upquota = self.getFromCache("USERPQUOTAS", useratprinter) |
---|
| 651 | if upquota is None : |
---|
| 652 | upquota = self.getUserPQuotaFromBackend(user, printer) |
---|
| 653 | self.cacheEntry("USERPQUOTAS", useratprinter, upquota) |
---|
[3444] | 654 | return upquota |
---|
| 655 | |
---|
| 656 | def getGroupPQuota(self, group, printer) : |
---|
[1130] | 657 | """Returns the group quota information from cache.""" |
---|
| 658 | groupatprinter = "%s@%s" % (group.Name, printer.Name) |
---|
| 659 | gpquota = self.getFromCache("GROUPPQUOTAS", groupatprinter) |
---|
| 660 | if gpquota is None : |
---|
| 661 | gpquota = self.getGroupPQuotaFromBackend(group, printer) |
---|
| 662 | self.cacheEntry("GROUPPQUOTAS", groupatprinter, gpquota) |
---|
[3444] | 663 | return gpquota |
---|
| 664 | |
---|
| 665 | def getPrinterLastJob(self, printer) : |
---|
[1130] | 666 | """Extracts last job information for a given printer from cache.""" |
---|
| 667 | lastjob = self.getFromCache("LASTJOBS", printer.Name) |
---|
| 668 | if lastjob is None : |
---|
| 669 | lastjob = self.getPrinterLastJobFromBackend(printer) |
---|
| 670 | self.cacheEntry("LASTJOBS", printer.Name, lastjob) |
---|
[3444] | 671 | return lastjob |
---|
| 672 | |
---|
| 673 | def getBillingCode(self, label) : |
---|
[2342] | 674 | """Returns the user from cache.""" |
---|
| 675 | code = self.getFromCache("BILLINGCODES", label) |
---|
| 676 | if code is None : |
---|
| 677 | code = self.getBillingCodeFromBackend(label) |
---|
| 678 | self.cacheEntry("BILLINGCODES", label, code) |
---|
| 679 | return code |
---|
[3444] | 680 | |
---|
| 681 | def getParentPrinters(self, printer) : |
---|
[1249] | 682 | """Extracts parent printers information for a given printer from cache.""" |
---|
[1252] | 683 | if self.usecache : |
---|
| 684 | if not hasattr(printer, "Parents") : |
---|
| 685 | self.tool.logdebug("Cache miss (%s->Parents)" % printer.Name) |
---|
| 686 | printer.Parents = self.getParentPrintersFromBackend(printer) |
---|
| 687 | self.tool.logdebug("Cache store (%s->Parents)" % printer.Name) |
---|
| 688 | else : |
---|
| 689 | self.tool.logdebug("Cache hit (%s->Parents)" % printer.Name) |
---|
[3444] | 690 | else : |
---|
[1252] | 691 | printer.Parents = self.getParentPrintersFromBackend(printer) |
---|
[3444] | 692 | for parent in printer.Parents[:] : |
---|
[1364] | 693 | printer.Parents.extend(self.getParentPrinters(parent)) |
---|
[3444] | 694 | uniquedic = {} |
---|
[1368] | 695 | for parent in printer.Parents : |
---|
| 696 | uniquedic[parent.Name] = parent |
---|
[3444] | 697 | printer.Parents = uniquedic.values() |
---|
[1252] | 698 | return printer.Parents |
---|
[3444] | 699 | |
---|
| 700 | def getGroupMembers(self, group) : |
---|
[1137] | 701 | """Returns the group's members list from in-group cache.""" |
---|
| 702 | if self.usecache : |
---|
| 703 | if not hasattr(group, "Members") : |
---|
| 704 | self.tool.logdebug("Cache miss (%s->Members)" % group.Name) |
---|
| 705 | group.Members = self.getGroupMembersFromBackend(group) |
---|
| 706 | self.tool.logdebug("Cache store (%s->Members)" % group.Name) |
---|
| 707 | else : |
---|
| 708 | self.tool.logdebug("Cache hit (%s->Members)" % group.Name) |
---|
[3444] | 709 | else : |
---|
[1137] | 710 | group.Members = self.getGroupMembersFromBackend(group) |
---|
[3444] | 711 | return group.Members |
---|
| 712 | |
---|
| 713 | def getUserGroups(self, user) : |
---|
[1137] | 714 | """Returns the user's groups list from in-user cache.""" |
---|
| 715 | if self.usecache : |
---|
| 716 | if not hasattr(user, "Groups") : |
---|
| 717 | self.tool.logdebug("Cache miss (%s->Groups)" % user.Name) |
---|
| 718 | user.Groups = self.getUserGroupsFromBackend(user) |
---|
| 719 | self.tool.logdebug("Cache store (%s->Groups)" % user.Name) |
---|
| 720 | else : |
---|
| 721 | self.tool.logdebug("Cache hit (%s->Groups)" % user.Name) |
---|
[3444] | 722 | else : |
---|
[1137] | 723 | user.Groups = self.getUserGroupsFromBackend(user) |
---|
[3444] | 724 | return user.Groups |
---|
| 725 | |
---|
| 726 | def getParentPrintersUserPQuota(self, userpquota) : |
---|
[1364] | 727 | """Returns all user print quota on the printer and all its parents recursively.""" |
---|
[1365] | 728 | upquotas = [ ] |
---|
[1240] | 729 | for printer in self.getParentPrinters(userpquota.Printer) : |
---|
[1395] | 730 | upq = self.getUserPQuota(userpquota.User, printer) |
---|
| 731 | if upq.Exists : |
---|
| 732 | upquotas.append(upq) |
---|
[3444] | 733 | return upquotas |
---|
| 734 | |
---|
| 735 | def getParentPrintersGroupPQuota(self, grouppquota) : |
---|
[1365] | 736 | """Returns all group print quota on the printer and all its parents recursively.""" |
---|
| 737 | gpquotas = [ ] |
---|
| 738 | for printer in self.getParentPrinters(grouppquota.Printer) : |
---|
[1395] | 739 | gpq = self.getGroupPQuota(grouppquota.Group, printer) |
---|
| 740 | if gpq.Exists : |
---|
| 741 | gpquotas.append(gpq) |
---|
[3444] | 742 | return gpquotas |
---|
| 743 | |
---|
[1790] | 744 | def databaseToUserCharset(self, text) : |
---|
| 745 | """Converts from database format (UTF-8) to user's charset.""" |
---|
[2804] | 746 | return self.tool.UTF8ToUserCharset(text) |
---|
[3444] | 747 | |
---|
[1790] | 748 | def userCharsetToDatabase(self, text) : |
---|
| 749 | """Converts from user's charset to database format (UTF-8).""" |
---|
[2804] | 750 | return self.tool.userCharsetToUTF8(text) |
---|
[3444] | 751 | |
---|
| 752 | def cleanDates(self, startdate, enddate) : |
---|
[2266] | 753 | """Clean the dates to create a correct filter.""" |
---|
[3444] | 754 | if startdate : |
---|
[2665] | 755 | startdate = startdate.strip().lower() |
---|
[3444] | 756 | if enddate : |
---|
[2665] | 757 | enddate = enddate.strip().lower() |
---|
[3444] | 758 | if (not startdate) and (not enddate) : |
---|
[2266] | 759 | return (None, None) |
---|
[3444] | 760 | |
---|
| 761 | now = DateTime.now() |
---|
[2268] | 762 | nameddates = ('yesterday', 'today', 'now', 'tomorrow') |
---|
[3444] | 763 | datedict = { "start" : startdate, "end" : enddate } |
---|
[2276] | 764 | for limit in datedict.keys() : |
---|
| 765 | dateval = datedict[limit] |
---|
[2665] | 766 | if dateval : |
---|
| 767 | for name in nameddates : |
---|
| 768 | if dateval.startswith(name) : |
---|
| 769 | try : |
---|
| 770 | offset = int(dateval[len(name):]) |
---|
[3444] | 771 | except : |
---|
[2665] | 772 | offset = 0 |
---|
[3444] | 773 | dateval = dateval[:len(name)] |
---|
[2665] | 774 | if limit == "start" : |
---|
| 775 | if dateval == "yesterday" : |
---|
| 776 | dateval = (now - 1 + offset).Format("%Y%m%d000000") |
---|
| 777 | elif dateval == "today" : |
---|
| 778 | dateval = (now + offset).Format("%Y%m%d000000") |
---|
| 779 | elif dateval == "now" : |
---|
| 780 | dateval = (now + offset).Format("%Y%m%d%H%M%S") |
---|
| 781 | else : # tomorrow |
---|
| 782 | dateval = (now + 1 + offset).Format("%Y%m%d000000") |
---|
| 783 | else : |
---|
| 784 | if dateval == "yesterday" : |
---|
| 785 | dateval = (now - 1 + offset).Format("%Y%m%d235959") |
---|
| 786 | elif dateval == "today" : |
---|
| 787 | dateval = (now + offset).Format("%Y%m%d235959") |
---|
| 788 | elif dateval == "now" : |
---|
| 789 | dateval = (now + offset).Format("%Y%m%d%H%M%S") |
---|
| 790 | else : # tomorrow |
---|
| 791 | dateval = (now + 1 + offset).Format("%Y%m%d235959") |
---|
| 792 | break |
---|
[3444] | 793 | |
---|
[2665] | 794 | if not dateval.isdigit() : |
---|
| 795 | dateval = None |
---|
[3444] | 796 | else : |
---|
[2665] | 797 | lgdateval = len(dateval) |
---|
| 798 | if lgdateval == 4 : |
---|
[3444] | 799 | if limit == "start" : |
---|
[2665] | 800 | dateval = "%s0101 00:00:00" % dateval |
---|
[3444] | 801 | else : |
---|
[2665] | 802 | dateval = "%s1231 23:59:59" % dateval |
---|
| 803 | elif lgdateval == 6 : |
---|
[3444] | 804 | if limit == "start" : |
---|
[2665] | 805 | dateval = "%s01 00:00:00" % dateval |
---|
[3444] | 806 | else : |
---|
[2665] | 807 | mxdate = DateTime.ISO.ParseDateTime("%s01 00:00:00" % dateval) |
---|
| 808 | dateval = "%s%02i 23:59:59" % (dateval, mxdate.days_in_month) |
---|
| 809 | elif lgdateval == 8 : |
---|
[3444] | 810 | if limit == "start" : |
---|
[2665] | 811 | dateval = "%s 00:00:00" % dateval |
---|
[3444] | 812 | else : |
---|
[2665] | 813 | dateval = "%s 23:59:59" % dateval |
---|
| 814 | elif lgdateval == 10 : |
---|
[3444] | 815 | if limit == "start" : |
---|
[2665] | 816 | dateval = "%s %s:00:00" % (dateval[:8], dateval[8:]) |
---|
[3444] | 817 | else : |
---|
[2665] | 818 | dateval = "%s %s:59:59" % (dateval[:8], dateval[8:]) |
---|
| 819 | elif lgdateval == 12 : |
---|
[3444] | 820 | if limit == "start" : |
---|
[2665] | 821 | dateval = "%s %s:%s:00" % (dateval[:8], dateval[8:10], dateval[10:]) |
---|
[3444] | 822 | else : |
---|
[2665] | 823 | dateval = "%s %s:%s:59" % (dateval[:8], dateval[8:10], dateval[10:]) |
---|
[3444] | 824 | elif lgdateval == 14 : |
---|
[2665] | 825 | dateval = "%s %s:%s:%s" % (dateval[:8], dateval[8:10], dateval[10:12], dateval[12:]) |
---|
[3444] | 826 | else : |
---|
[2665] | 827 | dateval = None |
---|
[3444] | 828 | try : |
---|
[3050] | 829 | DateTime.ISO.ParseDateTime(dateval[:19]) |
---|
[3444] | 830 | except : |
---|
[2665] | 831 | dateval = None |
---|
[3444] | 832 | datedict[limit] = dateval |
---|
[2276] | 833 | (start, end) = (datedict["start"], datedict["end"]) |
---|
[2665] | 834 | if start and end and (start > end) : |
---|
[2276] | 835 | (start, end) = (end, start) |
---|
[3444] | 836 | try : |
---|
[2953] | 837 | if len(start) == 17 : |
---|
| 838 | start = "%s-%s-%s %s" % (start[0:4], start[4:6], start[6:8], start[9:]) |
---|
[3444] | 839 | except TypeError : |
---|
[2953] | 840 | pass |
---|
[3444] | 841 | |
---|
| 842 | try : |
---|
[2953] | 843 | if len(end) == 17 : |
---|
| 844 | end = "%s-%s-%s %s" % (end[0:4], end[4:6], end[6:8], end[9:]) |
---|
[3444] | 845 | except TypeError : |
---|
[2953] | 846 | pass |
---|
[3444] | 847 | |
---|
| 848 | return (start, end) |
---|
| 849 | |
---|
[1021] | 850 | def openConnection(pykotatool) : |
---|
[2717] | 851 | """Returns a connection handle to the appropriate database.""" |
---|
[1021] | 852 | backendinfo = pykotatool.config.getStorageBackend() |
---|
[800] | 853 | backend = backendinfo["storagebackend"] |
---|
[695] | 854 | try : |
---|
[3444] | 855 | storagebackend = imp.load_source("storagebackend", |
---|
[2945] | 856 | os.path.join(os.path.dirname(__file__), |
---|
| 857 | "storages", |
---|
| 858 | "%s.py" % backend.lower())) |
---|
[695] | 859 | except ImportError : |
---|
[773] | 860 | raise PyKotaStorageError, _("Unsupported quota storage backend %s") % backend |
---|
[3444] | 861 | else : |
---|
[800] | 862 | host = backendinfo["storageserver"] |
---|
| 863 | database = backendinfo["storagename"] |
---|
[1087] | 864 | admin = backendinfo["storageadmin"] or backendinfo["storageuser"] |
---|
| 865 | adminpw = backendinfo["storageadminpw"] or backendinfo["storageuserpw"] |
---|
[1240] | 866 | return storagebackend.Storage(pykotatool, host, database, admin, adminpw) |
---|