[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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| 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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[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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[759] | 39 | |
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[3056] | 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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[1041] | 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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| 55 | self.isDirty = True |
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[2699] | 56 | |
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| 57 | def save(self) : |
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| 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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[3056] | 62 | |
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[2696] | 63 | |
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[1041] | 64 | class StorageUser(StorageObject) : |
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| 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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[3179] | 73 | self.Password = None |
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[2054] | 74 | self.OverCharge = 1.0 |
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[1522] | 75 | self.Payments = [] # TODO : maybe handle this smartly for SQL, for now just don't retrieve them |
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[2773] | 76 | self.PaymentsBacklog = [] |
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[1041] | 77 | |
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| 78 | def consumeAccountBalance(self, amount) : |
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| 79 | """Consumes an amount of money from the user's account balance.""" |
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[1269] | 80 | self.parent.decreaseUserAccountBalance(self, amount) |
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| 81 | self.AccountBalance = float(self.AccountBalance or 0.0) - amount |
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[1041] | 82 | |
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[2452] | 83 | def setAccountBalance(self, balance, lifetimepaid, comment="") : |
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[1041] | 84 | """Sets the user's account balance in case he pays more money.""" |
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[1522] | 85 | diff = float(lifetimepaid or 0.0) - float(self.LifeTimePaid or 0.0) |
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[2707] | 86 | self.AccountBalance = balance |
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| 87 | self.LifeTimePaid = lifetimepaid |
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[2773] | 88 | if diff : |
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| 89 | self.PaymentsBacklog.append((diff, comment)) |
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[2707] | 90 | self.isDirty = True |
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[1041] | 91 | |
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[2773] | 92 | def save(self) : |
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| 93 | """Saves an user and flush its payments backlog.""" |
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| 94 | for (value, comment) in self.PaymentsBacklog : |
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| 95 | self.parent.writeNewPayment(self, value, comment) |
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| 96 | self.PaymentsBacklog = [] |
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| 97 | StorageObject.save(self) |
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| 98 | |
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[1041] | 99 | def setLimitBy(self, limitby) : |
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| 100 | """Sets the user's limiting factor.""" |
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[1062] | 101 | try : |
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| 102 | limitby = limitby.lower() |
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| 103 | except AttributeError : |
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| 104 | limitby = "quota" |
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[2452] | 105 | if limitby in ["quota", "balance", \ |
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| 106 | "noquota", "noprint", "nochange"] : |
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[1041] | 107 | self.LimitBy = limitby |
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[2706] | 108 | self.isDirty = True |
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[1041] | 109 | |
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[2054] | 110 | def setOverChargeFactor(self, factor) : |
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| 111 | """Sets the user's overcharging coefficient.""" |
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| 112 | self.OverCharge = factor |
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[2706] | 113 | self.isDirty = True |
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[2054] | 114 | |
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[2937] | 115 | def setEmail(self, email) : |
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| 116 | """Sets the user's email address.""" |
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| 117 | self.Email = email |
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| 118 | self.isDirty = True |
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| 119 | |
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[1041] | 120 | def delete(self) : |
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[2717] | 121 | """Deletes an user from the database.""" |
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[2801] | 122 | self.parent.deleteUser(self) |
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| 123 | self.parent.flushEntry("USERS", self.Name) |
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| 124 | if self.parent.usecache : |
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| 125 | for (k, v) in self.parent.caches["USERPQUOTAS"].items() : |
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| 126 | if v.User.Name == self.Name : |
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| 127 | self.parent.flushEntry("USERPQUOTAS", "%s@%s" % (v.User.Name, v.Printer.Name)) |
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| 128 | self.Exists = False |
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| 129 | self.isDirty = False |
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[1041] | 130 | |
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[3060] | 131 | def refund(self, amount, reason) : |
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[3056] | 132 | """Refunds a number of credits to an user.""" |
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| 133 | self.consumeAccountBalance(-amount) |
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[3060] | 134 | self.parent.writeNewPayment(self, -amount, reason) |
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[3056] | 135 | |
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| 136 | |
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[1041] | 137 | class StorageGroup(StorageObject) : |
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| 138 | """User class.""" |
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| 139 | def __init__(self, parent, name) : |
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| 140 | StorageObject.__init__(self, parent) |
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| 141 | self.Name = name |
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| 142 | self.LimitBy = None |
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| 143 | self.AccountBalance = None |
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| 144 | self.LifeTimePaid = None |
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| 145 | |
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| 146 | def setLimitBy(self, limitby) : |
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| 147 | """Sets the user's limiting factor.""" |
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[1062] | 148 | try : |
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| 149 | limitby = limitby.lower() |
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| 150 | except AttributeError : |
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| 151 | limitby = "quota" |
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[2452] | 152 | if limitby in ["quota", "balance", "noquota"] : |
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[1041] | 153 | self.LimitBy = limitby |
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[2706] | 154 | self.isDirty = True |
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[1041] | 155 | |
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[2706] | 156 | def addUserToGroup(self, user) : |
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| 157 | """Adds an user to an users group.""" |
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| 158 | self.parent.addUserToGroup(user, self) |
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| 159 | |
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| 160 | def delUserFromGroup(self, user) : |
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| 161 | """Removes an user from an users group.""" |
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| 162 | self.parent.delUserFromGroup(user, self) |
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| 163 | |
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[1041] | 164 | def delete(self) : |
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[2717] | 165 | """Deletes a group from the database.""" |
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[2801] | 166 | self.parent.deleteGroup(self) |
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| 167 | self.parent.flushEntry("GROUPS", self.Name) |
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| 168 | if self.parent.usecache : |
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| 169 | for (k, v) in self.parent.caches["GROUPPQUOTAS"].items() : |
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| 170 | if v.Group.Name == self.Name : |
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| 171 | self.parent.flushEntry("GROUPPQUOTAS", "%s@%s" % (v.Group.Name, v.Printer.Name)) |
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| 172 | self.Exists = False |
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| 173 | self.isDirty = False |
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[1041] | 174 | |
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[3056] | 175 | |
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[1041] | 176 | class StoragePrinter(StorageObject) : |
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| 177 | """Printer class.""" |
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| 178 | def __init__(self, parent, name) : |
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| 179 | StorageObject.__init__(self, parent) |
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| 180 | self.Name = name |
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| 181 | self.PricePerPage = None |
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| 182 | self.PricePerJob = None |
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[2455] | 183 | self.MaxJobSize = None |
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[2459] | 184 | self.PassThrough = None |
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[1041] | 185 | |
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[1358] | 186 | def __getattr__(self, name) : |
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| 187 | """Delays data retrieval until it's really needed.""" |
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| 188 | if name == "LastJob" : |
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| 189 | self.LastJob = self.parent.getPrinterLastJob(self) |
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[3033] | 190 | self.parent.tool.logdebug("Lazy retrieval of last job for printer %s" % self.Name) |
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[1358] | 191 | return self.LastJob |
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[3033] | 192 | elif name == "Coefficients" : |
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| 193 | self.Coefficients = self.parent.tool.config.getPrinterCoefficients(self.Name) |
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| 194 | self.parent.tool.logdebug("Lazy retrieval of coefficients for printer %s : %s" % (self.Name, self.Coefficients)) |
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| 195 | return self.Coefficients |
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[1358] | 196 | else : |
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| 197 | raise AttributeError, name |
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| 198 | |
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[2455] | 199 | 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] | 200 | """Adds a job to the printer's history.""" |
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[2455] | 201 | 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] | 202 | # TODO : update LastJob object ? Probably not needed. |
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| 203 | |
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[1258] | 204 | def addPrinterToGroup(self, printer) : |
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| 205 | """Adds a printer to a printer group.""" |
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[1259] | 206 | if (printer not in self.parent.getParentPrinters(self)) and (printer.ident != self.ident) : |
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[1258] | 207 | self.parent.writePrinterToGroup(self, printer) |
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[1269] | 208 | # TODO : reset cached value for printer parents, or add new parent to cached value |
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[1332] | 209 | |
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| 210 | def delPrinterFromGroup(self, printer) : |
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| 211 | """Deletes a printer from a printer group.""" |
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[1333] | 212 | self.parent.removePrinterFromGroup(self, printer) |
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| 213 | # TODO : reset cached value for printer parents, or add new parent to cached value |
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[1258] | 214 | |
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[1041] | 215 | def setPrices(self, priceperpage = None, priceperjob = None) : |
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| 216 | """Sets the printer's prices.""" |
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| 217 | if priceperpage is None : |
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[1711] | 218 | priceperpage = self.PricePerPage or 0.0 |
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[1041] | 219 | else : |
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| 220 | self.PricePerPage = float(priceperpage) |
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| 221 | if priceperjob is None : |
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[1711] | 222 | priceperjob = self.PricePerJob or 0.0 |
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[1041] | 223 | else : |
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| 224 | self.PricePerJob = float(priceperjob) |
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[2686] | 225 | self.isDirty = True |
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[1041] | 226 | |
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[2686] | 227 | def setPassThrough(self, passthrough) : |
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| 228 | """Sets the printer's passthrough mode.""" |
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| 229 | self.PassThrough = passthrough |
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| 230 | self.isDirty = True |
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| 231 | |
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| 232 | def setMaxJobSize(self, maxjobsize) : |
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| 233 | """Sets the printer's maximal job size.""" |
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| 234 | self.MaxJobSize = maxjobsize |
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| 235 | self.isDirty = True |
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| 236 | |
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[1330] | 237 | def delete(self) : |
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[2717] | 238 | """Deletes a printer from the database.""" |
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[2801] | 239 | self.parent.deletePrinter(self) |
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| 240 | self.parent.flushEntry("PRINTERS", self.Name) |
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| 241 | if self.parent.usecache : |
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| 242 | for (k, v) in self.parent.caches["USERPQUOTAS"].items() : |
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| 243 | if v.Printer.Name == self.Name : |
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| 244 | self.parent.flushEntry("USERPQUOTAS", "%s@%s" % (v.User.Name, v.Printer.Name)) |
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| 245 | for (k, v) in self.parent.caches["GROUPPQUOTAS"].items() : |
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| 246 | if v.Printer.Name == self.Name : |
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| 247 | self.parent.flushEntry("GROUPPQUOTAS", "%s@%s" % (v.Group.Name, v.Printer.Name)) |
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| 248 | self.Exists = False |
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| 249 | self.isDirty = False |
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[1330] | 250 | |
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[3056] | 251 | |
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[1041] | 252 | class StorageUserPQuota(StorageObject) : |
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| 253 | """User Print Quota class.""" |
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| 254 | def __init__(self, parent, user, printer) : |
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| 255 | StorageObject.__init__(self, parent) |
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| 256 | self.User = user |
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| 257 | self.Printer = printer |
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| 258 | self.PageCounter = None |
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| 259 | self.LifePageCounter = None |
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| 260 | self.SoftLimit = None |
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| 261 | self.HardLimit = None |
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| 262 | self.DateLimit = None |
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[2054] | 263 | self.WarnCount = None |
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[2455] | 264 | self.MaxJobSize = None |
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[1041] | 265 | |
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[1358] | 266 | def __getattr__(self, name) : |
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| 267 | """Delays data retrieval until it's really needed.""" |
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| 268 | if name == "ParentPrintersUserPQuota" : |
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| 269 | self.ParentPrintersUserPQuota = (self.User.Exists and self.Printer.Exists and self.parent.getParentPrintersUserPQuota(self)) or [] |
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| 270 | return self.ParentPrintersUserPQuota |
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| 271 | else : |
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| 272 | raise AttributeError, name |
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| 273 | |
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[1041] | 274 | def setDateLimit(self, datelimit) : |
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| 275 | """Sets the date limit for this quota.""" |
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[3050] | 276 | datelimit = DateTime.ISO.ParseDateTime(str(datelimit)[:19]) |
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[1041] | 277 | date = "%04i-%02i-%02i %02i:%02i:%02i" % (datelimit.year, datelimit.month, datelimit.day, datelimit.hour, datelimit.minute, datelimit.second) |
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| 278 | self.parent.writeUserPQuotaDateLimit(self, date) |
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| 279 | self.DateLimit = date |
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| 280 | |
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| 281 | def setLimits(self, softlimit, hardlimit) : |
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| 282 | """Sets the soft and hard limit for this quota.""" |
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| 283 | self.SoftLimit = softlimit |
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| 284 | self.HardLimit = hardlimit |
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[1367] | 285 | self.DateLimit = None |
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[2054] | 286 | self.WarnCount = 0 |
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[2735] | 287 | self.isDirty = True |
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[1041] | 288 | |
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[1967] | 289 | def setUsage(self, used) : |
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| 290 | """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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| 291 | vused = int(used) |
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| 292 | if used.startswith("+") or used.startswith("-") : |
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[2030] | 293 | self.PageCounter += vused |
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| 294 | self.LifePageCounter += vused |
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[1967] | 295 | else : |
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[2030] | 296 | self.PageCounter = self.LifePageCounter = vused |
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| 297 | self.DateLimit = None |
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[2054] | 298 | self.WarnCount = 0 |
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[2735] | 299 | self.isDirty = 1 |
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[1967] | 300 | |
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[2066] | 301 | def incDenyBannerCounter(self) : |
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| 302 | """Increment the deny banner counter for this user quota.""" |
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[2054] | 303 | self.parent.increaseUserPQuotaWarnCount(self) |
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| 304 | self.WarnCount = (self.WarnCount or 0) + 1 |
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| 305 | |
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[2066] | 306 | def resetDenyBannerCounter(self) : |
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| 307 | """Resets the deny banner counter for this user quota.""" |
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| 308 | self.parent.writeUserPQuotaWarnCount(self, 0) |
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| 309 | self.WarnCount = 0 |
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| 310 | |
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[1041] | 311 | def reset(self) : |
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| 312 | """Resets page counter to 0.""" |
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| 313 | self.PageCounter = 0 |
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[2030] | 314 | self.DateLimit = None |
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[2735] | 315 | self.isDirty = True |
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[1041] | 316 | |
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[1755] | 317 | def hardreset(self) : |
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| 318 | """Resets actual and life time page counters to 0.""" |
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| 319 | self.PageCounter = self.LifePageCounter = 0 |
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[2030] | 320 | self.DateLimit = None |
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[2735] | 321 | self.isDirty = True |
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[1755] | 322 | |
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[3036] | 323 | def computeJobPrice(self, jobsize, inkusage=[]) : |
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[1285] | 324 | """Computes the job price as the sum of all parent printers' prices + current printer's ones.""" |
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| 325 | totalprice = 0.0 |
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| 326 | if jobsize : |
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[2054] | 327 | if self.User.OverCharge != 0.0 : # optimization, but TODO : beware of rounding errors |
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| 328 | for upq in [ self ] + self.ParentPrintersUserPQuota : |
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[3036] | 329 | totalprice += float(upq.Printer.PricePerJob or 0.0) |
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| 330 | pageprice = float(upq.Printer.PricePerPage or 0.0) |
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| 331 | if not inkusage : |
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| 332 | totalprice += (jobsize * pageprice) |
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| 333 | else : |
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| 334 | for pageindex in range(jobsize) : |
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| 335 | try : |
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| 336 | usage = inkusage[pageindex] |
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| 337 | except IndexError : |
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| 338 | self.parent.tool.logdebug("No ink usage information. Using base cost of %f credits for page %i." % (pageprice, pageindex+1)) |
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| 339 | totalprice += pageprice |
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| 340 | else : |
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| 341 | coefficients = self.Printer.Coefficients |
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| 342 | for (ink, value) in usage.items() : |
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| 343 | coefvalue = coefficients.get(ink, 1.0) |
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| 344 | coefprice = (coefvalue * pageprice) / 100.0 |
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| 345 | inkprice = coefprice * value |
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| 346 | 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] | 347 | totalprice += inkprice |
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[2054] | 348 | if self.User.OverCharge != 1.0 : # TODO : beware of rounding errors |
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| 349 | overcharged = totalprice * self.User.OverCharge |
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[3036] | 350 | 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] | 351 | return overcharged |
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| 352 | else : |
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| 353 | return totalprice |
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[1285] | 354 | |
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[3036] | 355 | def increasePagesUsage(self, jobsize, inkusage=[]) : |
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[1041] | 356 | """Increase the value of used pages and money.""" |
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[3036] | 357 | jobprice = self.computeJobPrice(jobsize, inkusage) |
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[1285] | 358 | if jobsize : |
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[2409] | 359 | if jobprice : |
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| 360 | self.User.consumeAccountBalance(jobprice) |
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| 361 | for upq in [ self ] + self.ParentPrintersUserPQuota : |
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| 362 | self.parent.increaseUserPQuotaPagesCounters(upq, jobsize) |
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| 363 | upq.PageCounter = int(upq.PageCounter or 0) + jobsize |
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| 364 | upq.LifePageCounter = int(upq.LifePageCounter or 0) + jobsize |
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[1285] | 365 | return jobprice |
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[1041] | 366 | |
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[2717] | 367 | def delete(self) : |
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| 368 | """Deletes an user print quota entry from the database.""" |
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[2801] | 369 | self.parent.deleteUserPQuota(self) |
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| 370 | if self.parent.usecache : |
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| 371 | self.parent.flushEntry("USERPQUOTAS", "%s@%s" % (self.User.Name, self.Printer.Name)) |
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| 372 | self.Exists = False |
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| 373 | self.isDirty = False |
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[2717] | 374 | |
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[3056] | 375 | def refund(self, nbpages) : |
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| 376 | """Refunds a number of pages to an user on a particular printer.""" |
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| 377 | self.parent.increaseUserPQuotaPagesCounters(self, -nbpages) |
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| 378 | self.PageCounter = int(self.PageCounter or 0) - nbpages |
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| 379 | self.LifePageCounter = int(self.LifePageCounter or 0) - nbpages |
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| 380 | |
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| 381 | |
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[1041] | 382 | class StorageGroupPQuota(StorageObject) : |
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| 383 | """Group Print Quota class.""" |
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| 384 | def __init__(self, parent, group, printer) : |
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| 385 | StorageObject.__init__(self, parent) |
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| 386 | self.Group = group |
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| 387 | self.Printer = printer |
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| 388 | self.PageCounter = None |
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| 389 | self.LifePageCounter = None |
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| 390 | self.SoftLimit = None |
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| 391 | self.HardLimit = None |
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| 392 | self.DateLimit = None |
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[2455] | 393 | self.MaxJobSize = None |
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[1041] | 394 | |
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[1365] | 395 | def __getattr__(self, name) : |
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| 396 | """Delays data retrieval until it's really needed.""" |
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| 397 | if name == "ParentPrintersGroupPQuota" : |
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| 398 | self.ParentPrintersGroupPQuota = (self.Group.Exists and self.Printer.Exists and self.parent.getParentPrintersGroupPQuota(self)) or [] |
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| 399 | return self.ParentPrintersGroupPQuota |
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| 400 | else : |
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| 401 | raise AttributeError, name |
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| 402 | |
---|
[2030] | 403 | def reset(self) : |
---|
| 404 | """Resets page counter to 0.""" |
---|
[2801] | 405 | for user in self.parent.getGroupMembers(self.Group) : |
---|
| 406 | uq = self.parent.getUserPQuota(user, self.Printer) |
---|
| 407 | uq.reset() |
---|
| 408 | uq.save() |
---|
[2030] | 409 | self.PageCounter = 0 |
---|
| 410 | self.DateLimit = None |
---|
[2735] | 411 | self.isDirty = True |
---|
[2030] | 412 | |
---|
| 413 | def hardreset(self) : |
---|
| 414 | """Resets actual and life time page counters to 0.""" |
---|
[2801] | 415 | for user in self.parent.getGroupMembers(self.Group) : |
---|
| 416 | uq = self.parent.getUserPQuota(user, self.Printer) |
---|
| 417 | uq.hardreset() |
---|
| 418 | uq.save() |
---|
[2030] | 419 | self.PageCounter = self.LifePageCounter = 0 |
---|
| 420 | self.DateLimit = None |
---|
[2735] | 421 | self.isDirty = True |
---|
[2030] | 422 | |
---|
[1041] | 423 | def setDateLimit(self, datelimit) : |
---|
| 424 | """Sets the date limit for this quota.""" |
---|
[3050] | 425 | datelimit = DateTime.ISO.ParseDateTime(str(datelimit)[:19]) |
---|
[2450] | 426 | date = "%04i-%02i-%02i %02i:%02i:%02i" % (datelimit.year, \ |
---|
| 427 | datelimit.month, \ |
---|
| 428 | datelimit.day, \ |
---|
| 429 | datelimit.hour, \ |
---|
| 430 | datelimit.minute, \ |
---|
| 431 | datelimit.second) |
---|
[1041] | 432 | self.parent.writeGroupPQuotaDateLimit(self, date) |
---|
| 433 | self.DateLimit = date |
---|
| 434 | |
---|
| 435 | def setLimits(self, softlimit, hardlimit) : |
---|
| 436 | """Sets the soft and hard limit for this quota.""" |
---|
| 437 | self.SoftLimit = softlimit |
---|
| 438 | self.HardLimit = hardlimit |
---|
[1367] | 439 | self.DateLimit = None |
---|
[2735] | 440 | self.isDirty = True |
---|
[1041] | 441 | |
---|
[2717] | 442 | def delete(self) : |
---|
| 443 | """Deletes a group print quota entry from the database.""" |
---|
[2801] | 444 | self.parent.deleteGroupPQuota(self) |
---|
| 445 | if self.parent.usecache : |
---|
| 446 | self.parent.flushEntry("GROUPPQUOTAS", "%s@%s" % (self.Group.Name, self.Printer.Name)) |
---|
| 447 | self.Exists = False |
---|
| 448 | self.isDirty = False |
---|
[2717] | 449 | |
---|
[3056] | 450 | |
---|
[1274] | 451 | class StorageJob(StorageObject) : |
---|
[1692] | 452 | """Printer's Job class.""" |
---|
[1274] | 453 | def __init__(self, parent) : |
---|
[1041] | 454 | StorageObject.__init__(self, parent) |
---|
[1358] | 455 | self.UserName = None |
---|
| 456 | self.PrinterName = None |
---|
[1041] | 457 | self.JobId = None |
---|
| 458 | self.PrinterPageCounter = None |
---|
[1520] | 459 | self.JobSizeBytes = None |
---|
[1041] | 460 | self.JobSize = None |
---|
| 461 | self.JobAction = None |
---|
| 462 | self.JobDate = None |
---|
[1203] | 463 | self.JobPrice = None |
---|
| 464 | self.JobFileName = None |
---|
| 465 | self.JobTitle = None |
---|
| 466 | self.JobCopies = None |
---|
| 467 | self.JobOptions = None |
---|
[1502] | 468 | self.JobHostName = None |
---|
[2054] | 469 | self.JobMD5Sum = None |
---|
| 470 | self.JobPages = None |
---|
| 471 | self.JobBillingCode = None |
---|
[2455] | 472 | self.PrecomputedJobSize = None |
---|
| 473 | self.PrecomputedJobPrice = None |
---|
[1041] | 474 | |
---|
[1358] | 475 | def __getattr__(self, name) : |
---|
| 476 | """Delays data retrieval until it's really needed.""" |
---|
| 477 | if name == "User" : |
---|
| 478 | self.User = self.parent.getUser(self.UserName) |
---|
| 479 | return self.User |
---|
| 480 | elif name == "Printer" : |
---|
| 481 | self.Printer = self.parent.getPrinter(self.PrinterName) |
---|
| 482 | return self.Printer |
---|
| 483 | else : |
---|
| 484 | raise AttributeError, name |
---|
[3056] | 485 | |
---|
[3060] | 486 | def refund(self, reason) : |
---|
[3056] | 487 | """Refund a particular print job.""" |
---|
[3057] | 488 | if (not self.JobSize) or (self.JobAction in ("DENY", "CANCEL", "REFUND")) : |
---|
[3056] | 489 | return |
---|
[3062] | 490 | |
---|
| 491 | basereason = _("Refunded %i pages and %.3f credits by %s (%s) on %s") \ |
---|
| 492 | % (self.JobSize, |
---|
| 493 | self.JobPrice, |
---|
[3064] | 494 | self.parent.tool.originalUserName, |
---|
[3062] | 495 | os.getlogin(), |
---|
| 496 | str(DateTime.now())[:19]) |
---|
| 497 | if reason : |
---|
| 498 | reason = "%s : %s" % (basereason, reason) |
---|
| 499 | else : |
---|
| 500 | reason = basereason |
---|
| 501 | self.parent.tool.logdebug("Refunding job %s..." % self.ident) |
---|
[3056] | 502 | self.parent.beginTransaction() |
---|
| 503 | try : |
---|
| 504 | if self.JobBillingCode : |
---|
| 505 | bcode = self.parent.getBillingCode(self.JobBillingCode) |
---|
| 506 | bcode.refund(self.JobSize, self.JobPrice) |
---|
| 507 | |
---|
| 508 | if self.User.Exists : |
---|
[3060] | 509 | self.User.refund(self.JobPrice, reason) |
---|
[3056] | 510 | if self.Printer.Exists : |
---|
| 511 | upq = self.parent.getUserPQuota(self.User, self.Printer) |
---|
| 512 | if upq.Exists : |
---|
| 513 | upq.refund(self.JobSize) |
---|
| 514 | self.parent.refundJob(self.ident) |
---|
| 515 | except : |
---|
| 516 | self.parent.rollbackTransaction() |
---|
[3062] | 517 | self.parent.tool.logdebug("Error while refunding job %s." % self.ident) |
---|
[3056] | 518 | raise |
---|
| 519 | else : |
---|
| 520 | self.parent.commitTransaction() |
---|
[3062] | 521 | self.parent.tool.logdebug("Job %s refunded." % self.ident) |
---|
[1358] | 522 | |
---|
[3056] | 523 | |
---|
[1274] | 524 | class StorageLastJob(StorageJob) : |
---|
| 525 | """Printer's Last Job class.""" |
---|
| 526 | def __init__(self, parent, printer) : |
---|
| 527 | StorageJob.__init__(self, parent) |
---|
[1359] | 528 | self.PrinterName = printer.Name # not needed |
---|
[1274] | 529 | self.Printer = printer |
---|
| 530 | |
---|
[3056] | 531 | |
---|
[2340] | 532 | class StorageBillingCode(StorageObject) : |
---|
| 533 | """Billing code class.""" |
---|
| 534 | def __init__(self, parent, name) : |
---|
| 535 | StorageObject.__init__(self, parent) |
---|
| 536 | self.BillingCode = name |
---|
| 537 | self.PageCounter = None |
---|
| 538 | self.Balance = None |
---|
| 539 | |
---|
| 540 | def delete(self) : |
---|
| 541 | """Deletes the billing code from the database.""" |
---|
| 542 | self.parent.deleteBillingCode(self) |
---|
[2450] | 543 | self.parent.flushEntry("BILLINGCODES", self.BillingCode) |
---|
[2686] | 544 | self.isDirty = False |
---|
[2676] | 545 | self.Exists = False |
---|
[2340] | 546 | |
---|
[2342] | 547 | def reset(self, balance=0.0, pagecounter=0) : |
---|
[2340] | 548 | """Resets the pagecounter and balance for this billing code.""" |
---|
[2686] | 549 | self.Balance = balance |
---|
| 550 | self.PageCounter = pagecounter |
---|
| 551 | self.isDirty = True |
---|
[2340] | 552 | |
---|
| 553 | def consume(self, pages, price) : |
---|
| 554 | """Consumes some pages and credits for this billing code.""" |
---|
| 555 | if pages : |
---|
[3056] | 556 | self.parent.consumeBillingCode(self, pages, price) |
---|
| 557 | self.PageCounter += pages |
---|
| 558 | self.Balance -= price |
---|
| 559 | |
---|
| 560 | def refund(self, pages, price) : |
---|
| 561 | """Refunds a particular billing code.""" |
---|
| 562 | self.consume(-pages, -price) |
---|
[2340] | 563 | |
---|
[3056] | 564 | |
---|
[1130] | 565 | class BaseStorage : |
---|
| 566 | def __init__(self, pykotatool) : |
---|
[1523] | 567 | """Opens the storage connection.""" |
---|
[1130] | 568 | self.closed = 1 |
---|
| 569 | self.tool = pykotatool |
---|
| 570 | self.usecache = pykotatool.config.getCaching() |
---|
[1148] | 571 | self.disablehistory = pykotatool.config.getDisableHistory() |
---|
[1875] | 572 | self.privacy = pykotatool.config.getPrivacy() |
---|
| 573 | if self.privacy : |
---|
| 574 | pykotatool.logdebug("Jobs' title, filename and options will be hidden because of privacy concerns.") |
---|
[1130] | 575 | if self.usecache : |
---|
| 576 | self.tool.logdebug("Caching enabled.") |
---|
[2450] | 577 | self.caches = { "USERS" : {}, \ |
---|
| 578 | "GROUPS" : {}, \ |
---|
| 579 | "PRINTERS" : {}, \ |
---|
| 580 | "USERPQUOTAS" : {}, \ |
---|
| 581 | "GROUPPQUOTAS" : {}, \ |
---|
| 582 | "JOBS" : {}, \ |
---|
| 583 | "LASTJOBS" : {}, \ |
---|
| 584 | "BILLINGCODES" : {} } |
---|
[1130] | 585 | |
---|
[1240] | 586 | def close(self) : |
---|
| 587 | """Must be overriden in children classes.""" |
---|
| 588 | raise RuntimeError, "BaseStorage.close() must be overriden !" |
---|
| 589 | |
---|
[1130] | 590 | def __del__(self) : |
---|
| 591 | """Ensures that the database connection is closed.""" |
---|
| 592 | self.close() |
---|
| 593 | |
---|
| 594 | def getFromCache(self, cachetype, key) : |
---|
| 595 | """Tries to extract something from the cache.""" |
---|
| 596 | if self.usecache : |
---|
| 597 | entry = self.caches[cachetype].get(key) |
---|
| 598 | if entry is not None : |
---|
| 599 | self.tool.logdebug("Cache hit (%s->%s)" % (cachetype, key)) |
---|
| 600 | else : |
---|
| 601 | self.tool.logdebug("Cache miss (%s->%s)" % (cachetype, key)) |
---|
[1743] | 602 | return entry |
---|
[1130] | 603 | |
---|
| 604 | def cacheEntry(self, cachetype, key, value) : |
---|
| 605 | """Puts an entry in the cache.""" |
---|
[1151] | 606 | if self.usecache and getattr(value, "Exists", 0) : |
---|
[1130] | 607 | self.caches[cachetype][key] = value |
---|
[1132] | 608 | self.tool.logdebug("Cache store (%s->%s)" % (cachetype, key)) |
---|
[1130] | 609 | |
---|
[2450] | 610 | def flushEntry(self, cachetype, key) : |
---|
| 611 | """Removes an entry from the cache.""" |
---|
| 612 | if self.usecache : |
---|
| 613 | try : |
---|
| 614 | del self.caches[cachetype][key] |
---|
| 615 | except KeyError : |
---|
| 616 | pass |
---|
| 617 | else : |
---|
| 618 | self.tool.logdebug("Cache flush (%s->%s)" % (cachetype, key)) |
---|
| 619 | |
---|
[1130] | 620 | def getUser(self, username) : |
---|
| 621 | """Returns the user from cache.""" |
---|
| 622 | user = self.getFromCache("USERS", username) |
---|
| 623 | if user is None : |
---|
| 624 | user = self.getUserFromBackend(username) |
---|
| 625 | self.cacheEntry("USERS", username, user) |
---|
| 626 | return user |
---|
| 627 | |
---|
| 628 | def getGroup(self, groupname) : |
---|
| 629 | """Returns the group from cache.""" |
---|
| 630 | group = self.getFromCache("GROUPS", groupname) |
---|
| 631 | if group is None : |
---|
| 632 | group = self.getGroupFromBackend(groupname) |
---|
| 633 | self.cacheEntry("GROUPS", groupname, group) |
---|
| 634 | return group |
---|
| 635 | |
---|
| 636 | def getPrinter(self, printername) : |
---|
| 637 | """Returns the printer from cache.""" |
---|
| 638 | printer = self.getFromCache("PRINTERS", printername) |
---|
| 639 | if printer is None : |
---|
| 640 | printer = self.getPrinterFromBackend(printername) |
---|
| 641 | self.cacheEntry("PRINTERS", printername, printer) |
---|
| 642 | return printer |
---|
| 643 | |
---|
| 644 | def getUserPQuota(self, user, printer) : |
---|
| 645 | """Returns the user quota information from cache.""" |
---|
| 646 | useratprinter = "%s@%s" % (user.Name, printer.Name) |
---|
| 647 | upquota = self.getFromCache("USERPQUOTAS", useratprinter) |
---|
| 648 | if upquota is None : |
---|
| 649 | upquota = self.getUserPQuotaFromBackend(user, printer) |
---|
| 650 | self.cacheEntry("USERPQUOTAS", useratprinter, upquota) |
---|
| 651 | return upquota |
---|
| 652 | |
---|
| 653 | def getGroupPQuota(self, group, printer) : |
---|
| 654 | """Returns the group quota information from cache.""" |
---|
| 655 | groupatprinter = "%s@%s" % (group.Name, printer.Name) |
---|
| 656 | gpquota = self.getFromCache("GROUPPQUOTAS", groupatprinter) |
---|
| 657 | if gpquota is None : |
---|
| 658 | gpquota = self.getGroupPQuotaFromBackend(group, printer) |
---|
| 659 | self.cacheEntry("GROUPPQUOTAS", groupatprinter, gpquota) |
---|
| 660 | return gpquota |
---|
| 661 | |
---|
| 662 | def getPrinterLastJob(self, printer) : |
---|
| 663 | """Extracts last job information for a given printer from cache.""" |
---|
| 664 | lastjob = self.getFromCache("LASTJOBS", printer.Name) |
---|
| 665 | if lastjob is None : |
---|
| 666 | lastjob = self.getPrinterLastJobFromBackend(printer) |
---|
| 667 | self.cacheEntry("LASTJOBS", printer.Name, lastjob) |
---|
| 668 | return lastjob |
---|
| 669 | |
---|
[2342] | 670 | def getBillingCode(self, label) : |
---|
| 671 | """Returns the user from cache.""" |
---|
| 672 | code = self.getFromCache("BILLINGCODES", label) |
---|
| 673 | if code is None : |
---|
| 674 | code = self.getBillingCodeFromBackend(label) |
---|
| 675 | self.cacheEntry("BILLINGCODES", label, code) |
---|
| 676 | return code |
---|
| 677 | |
---|
[1249] | 678 | def getParentPrinters(self, printer) : |
---|
| 679 | """Extracts parent printers information for a given printer from cache.""" |
---|
[1252] | 680 | if self.usecache : |
---|
| 681 | if not hasattr(printer, "Parents") : |
---|
| 682 | self.tool.logdebug("Cache miss (%s->Parents)" % printer.Name) |
---|
| 683 | printer.Parents = self.getParentPrintersFromBackend(printer) |
---|
| 684 | self.tool.logdebug("Cache store (%s->Parents)" % printer.Name) |
---|
| 685 | else : |
---|
| 686 | self.tool.logdebug("Cache hit (%s->Parents)" % printer.Name) |
---|
| 687 | else : |
---|
| 688 | printer.Parents = self.getParentPrintersFromBackend(printer) |
---|
[1364] | 689 | for parent in printer.Parents[:] : |
---|
| 690 | printer.Parents.extend(self.getParentPrinters(parent)) |
---|
[1368] | 691 | uniquedic = {} |
---|
| 692 | for parent in printer.Parents : |
---|
| 693 | uniquedic[parent.Name] = parent |
---|
| 694 | printer.Parents = uniquedic.values() |
---|
[1252] | 695 | return printer.Parents |
---|
[1249] | 696 | |
---|
[1137] | 697 | def getGroupMembers(self, group) : |
---|
| 698 | """Returns the group's members list from in-group cache.""" |
---|
| 699 | if self.usecache : |
---|
| 700 | if not hasattr(group, "Members") : |
---|
| 701 | self.tool.logdebug("Cache miss (%s->Members)" % group.Name) |
---|
| 702 | group.Members = self.getGroupMembersFromBackend(group) |
---|
| 703 | self.tool.logdebug("Cache store (%s->Members)" % group.Name) |
---|
| 704 | else : |
---|
| 705 | self.tool.logdebug("Cache hit (%s->Members)" % group.Name) |
---|
| 706 | else : |
---|
| 707 | group.Members = self.getGroupMembersFromBackend(group) |
---|
| 708 | return group.Members |
---|
| 709 | |
---|
| 710 | def getUserGroups(self, user) : |
---|
| 711 | """Returns the user's groups list from in-user cache.""" |
---|
| 712 | if self.usecache : |
---|
| 713 | if not hasattr(user, "Groups") : |
---|
| 714 | self.tool.logdebug("Cache miss (%s->Groups)" % user.Name) |
---|
| 715 | user.Groups = self.getUserGroupsFromBackend(user) |
---|
| 716 | self.tool.logdebug("Cache store (%s->Groups)" % user.Name) |
---|
| 717 | else : |
---|
| 718 | self.tool.logdebug("Cache hit (%s->Groups)" % user.Name) |
---|
| 719 | else : |
---|
| 720 | user.Groups = self.getUserGroupsFromBackend(user) |
---|
| 721 | return user.Groups |
---|
| 722 | |
---|
[1240] | 723 | def getParentPrintersUserPQuota(self, userpquota) : |
---|
[1364] | 724 | """Returns all user print quota on the printer and all its parents recursively.""" |
---|
[1365] | 725 | upquotas = [ ] |
---|
[1240] | 726 | for printer in self.getParentPrinters(userpquota.Printer) : |
---|
[1395] | 727 | upq = self.getUserPQuota(userpquota.User, printer) |
---|
| 728 | if upq.Exists : |
---|
| 729 | upquotas.append(upq) |
---|
[1240] | 730 | return upquotas |
---|
| 731 | |
---|
[1365] | 732 | def getParentPrintersGroupPQuota(self, grouppquota) : |
---|
| 733 | """Returns all group print quota on the printer and all its parents recursively.""" |
---|
| 734 | gpquotas = [ ] |
---|
| 735 | for printer in self.getParentPrinters(grouppquota.Printer) : |
---|
[1395] | 736 | gpq = self.getGroupPQuota(grouppquota.Group, printer) |
---|
| 737 | if gpq.Exists : |
---|
| 738 | gpquotas.append(gpq) |
---|
[1365] | 739 | return gpquotas |
---|
| 740 | |
---|
[1790] | 741 | def databaseToUserCharset(self, text) : |
---|
| 742 | """Converts from database format (UTF-8) to user's charset.""" |
---|
[2804] | 743 | return self.tool.UTF8ToUserCharset(text) |
---|
[1790] | 744 | |
---|
| 745 | def userCharsetToDatabase(self, text) : |
---|
| 746 | """Converts from user's charset to database format (UTF-8).""" |
---|
[2804] | 747 | return self.tool.userCharsetToUTF8(text) |
---|
[1790] | 748 | |
---|
[2266] | 749 | def cleanDates(self, startdate, enddate) : |
---|
| 750 | """Clean the dates to create a correct filter.""" |
---|
[2665] | 751 | if startdate : |
---|
| 752 | startdate = startdate.strip().lower() |
---|
| 753 | if enddate : |
---|
| 754 | enddate = enddate.strip().lower() |
---|
| 755 | if (not startdate) and (not enddate) : |
---|
[2266] | 756 | return (None, None) |
---|
[2268] | 757 | |
---|
| 758 | now = DateTime.now() |
---|
| 759 | nameddates = ('yesterday', 'today', 'now', 'tomorrow') |
---|
[2665] | 760 | datedict = { "start" : startdate, "end" : enddate } |
---|
[2276] | 761 | for limit in datedict.keys() : |
---|
| 762 | dateval = datedict[limit] |
---|
[2665] | 763 | if dateval : |
---|
| 764 | for name in nameddates : |
---|
| 765 | if dateval.startswith(name) : |
---|
| 766 | try : |
---|
| 767 | offset = int(dateval[len(name):]) |
---|
| 768 | except : |
---|
| 769 | offset = 0 |
---|
| 770 | dateval = dateval[:len(name)] |
---|
| 771 | if limit == "start" : |
---|
| 772 | if dateval == "yesterday" : |
---|
| 773 | dateval = (now - 1 + offset).Format("%Y%m%d000000") |
---|
| 774 | elif dateval == "today" : |
---|
| 775 | dateval = (now + offset).Format("%Y%m%d000000") |
---|
| 776 | elif dateval == "now" : |
---|
| 777 | dateval = (now + offset).Format("%Y%m%d%H%M%S") |
---|
| 778 | else : # tomorrow |
---|
| 779 | dateval = (now + 1 + offset).Format("%Y%m%d000000") |
---|
| 780 | else : |
---|
| 781 | if dateval == "yesterday" : |
---|
| 782 | dateval = (now - 1 + offset).Format("%Y%m%d235959") |
---|
| 783 | elif dateval == "today" : |
---|
| 784 | dateval = (now + offset).Format("%Y%m%d235959") |
---|
| 785 | elif dateval == "now" : |
---|
| 786 | dateval = (now + offset).Format("%Y%m%d%H%M%S") |
---|
| 787 | else : # tomorrow |
---|
| 788 | dateval = (now + 1 + offset).Format("%Y%m%d235959") |
---|
| 789 | break |
---|
| 790 | |
---|
| 791 | if not dateval.isdigit() : |
---|
| 792 | dateval = None |
---|
| 793 | else : |
---|
| 794 | lgdateval = len(dateval) |
---|
| 795 | if lgdateval == 4 : |
---|
| 796 | if limit == "start" : |
---|
| 797 | dateval = "%s0101 00:00:00" % dateval |
---|
| 798 | else : |
---|
| 799 | dateval = "%s1231 23:59:59" % dateval |
---|
| 800 | elif lgdateval == 6 : |
---|
| 801 | if limit == "start" : |
---|
| 802 | dateval = "%s01 00:00:00" % dateval |
---|
| 803 | else : |
---|
| 804 | mxdate = DateTime.ISO.ParseDateTime("%s01 00:00:00" % dateval) |
---|
| 805 | dateval = "%s%02i 23:59:59" % (dateval, mxdate.days_in_month) |
---|
| 806 | elif lgdateval == 8 : |
---|
| 807 | if limit == "start" : |
---|
| 808 | dateval = "%s 00:00:00" % dateval |
---|
| 809 | else : |
---|
| 810 | dateval = "%s 23:59:59" % dateval |
---|
| 811 | elif lgdateval == 10 : |
---|
| 812 | if limit == "start" : |
---|
| 813 | dateval = "%s %s:00:00" % (dateval[:8], dateval[8:]) |
---|
| 814 | else : |
---|
| 815 | dateval = "%s %s:59:59" % (dateval[:8], dateval[8:]) |
---|
| 816 | elif lgdateval == 12 : |
---|
| 817 | if limit == "start" : |
---|
| 818 | dateval = "%s %s:%s:00" % (dateval[:8], dateval[8:10], dateval[10:]) |
---|
| 819 | else : |
---|
| 820 | dateval = "%s %s:%s:59" % (dateval[:8], dateval[8:10], dateval[10:]) |
---|
| 821 | elif lgdateval == 14 : |
---|
| 822 | dateval = "%s %s:%s:%s" % (dateval[:8], dateval[8:10], dateval[10:12], dateval[12:]) |
---|
| 823 | else : |
---|
| 824 | dateval = None |
---|
| 825 | try : |
---|
[3050] | 826 | DateTime.ISO.ParseDateTime(dateval[:19]) |
---|
[2276] | 827 | except : |
---|
[2665] | 828 | dateval = None |
---|
| 829 | datedict[limit] = dateval |
---|
[2276] | 830 | (start, end) = (datedict["start"], datedict["end"]) |
---|
[2665] | 831 | if start and end and (start > end) : |
---|
[2276] | 832 | (start, end) = (end, start) |
---|
[2953] | 833 | try : |
---|
| 834 | if len(start) == 17 : |
---|
| 835 | start = "%s-%s-%s %s" % (start[0:4], start[4:6], start[6:8], start[9:]) |
---|
| 836 | except TypeError : |
---|
| 837 | pass |
---|
| 838 | |
---|
| 839 | try : |
---|
| 840 | if len(end) == 17 : |
---|
| 841 | end = "%s-%s-%s %s" % (end[0:4], end[4:6], end[6:8], end[9:]) |
---|
| 842 | except TypeError : |
---|
| 843 | pass |
---|
| 844 | |
---|
[2276] | 845 | return (start, end) |
---|
[2266] | 846 | |
---|
[1021] | 847 | def openConnection(pykotatool) : |
---|
[2717] | 848 | """Returns a connection handle to the appropriate database.""" |
---|
[1021] | 849 | backendinfo = pykotatool.config.getStorageBackend() |
---|
[800] | 850 | backend = backendinfo["storagebackend"] |
---|
[695] | 851 | try : |
---|
[2945] | 852 | storagebackend = imp.load_source("storagebackend", |
---|
| 853 | os.path.join(os.path.dirname(__file__), |
---|
| 854 | "storages", |
---|
| 855 | "%s.py" % backend.lower())) |
---|
[695] | 856 | except ImportError : |
---|
[773] | 857 | raise PyKotaStorageError, _("Unsupported quota storage backend %s") % backend |
---|
[695] | 858 | else : |
---|
[800] | 859 | host = backendinfo["storageserver"] |
---|
| 860 | database = backendinfo["storagename"] |
---|
[1087] | 861 | admin = backendinfo["storageadmin"] or backendinfo["storageuser"] |
---|
| 862 | adminpw = backendinfo["storageadminpw"] or backendinfo["storageuserpw"] |
---|
[1240] | 863 | return storagebackend.Storage(pykotatool, host, database, admin, adminpw) |
---|