| 1 | # -*- coding: utf-8 -*-*- |
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| 2 | # |
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| 3 | # PyKota : Print Quotas for CUPS |
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| 4 | # |
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| 5 | # (c) 2003, 2004, 2005, 2006, 2007, 2008 Jerome Alet <alet@librelogiciel.com> |
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| 6 | # This program is free software: you can redistribute it and/or modify |
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| 7 | # it under the terms of the GNU General Public License as published by |
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| 8 | # the Free Software Foundation, either version 3 of the License, or |
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| 9 | # (at your option) any later version. |
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| 10 | # |
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| 11 | # This program is distributed in the hope that it will be useful, |
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| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | # GNU General Public License for more details. |
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| 15 | # |
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| 16 | # You should have received a copy of the GNU General Public License |
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| 17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 18 | # |
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| 19 | # $Id$ |
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| 20 | # |
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| 21 | # |
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| 22 | |
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| 23 | """This module defines the base classes for PyKota command line tools.""" |
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| 24 | |
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| 25 | import sys |
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| 26 | import os |
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| 27 | import pwd |
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| 28 | import fnmatch |
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| 29 | import getopt |
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| 30 | import smtplib |
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| 31 | import locale |
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| 32 | import socket |
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| 33 | import time |
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| 34 | from email.MIMEText import MIMEText |
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| 35 | from email.Header import Header |
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| 36 | import email.Utils |
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| 37 | |
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| 38 | from mx import DateTime |
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| 39 | |
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| 40 | from pykota import utils |
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| 41 | from pykota.errors import PyKotaCommandLineError |
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| 42 | from pykota import config, storage, logger |
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| 43 | from pykota.version import __version__, __author__, __years__, __gplblurb__ |
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| 44 | |
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| 45 | class Percent : |
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| 46 | """A class to display progress.""" |
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| 47 | def __init__(self, app, size=None) : |
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| 48 | """Initializes the engine.""" |
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| 49 | self.isatty = sys.stdout.isatty() |
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| 50 | self.app = app |
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| 51 | self.size = None |
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| 52 | if size : |
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| 53 | self.setSize(size) |
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| 54 | self.previous = None |
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| 55 | self.before = time.time() |
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| 56 | |
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| 57 | def setSize(self, size) : |
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| 58 | """Sets the total size.""" |
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| 59 | self.number = 0 |
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| 60 | self.size = size |
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| 61 | if size : |
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| 62 | self.factor = 100.0 / float(size) |
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| 63 | |
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| 64 | def display(self, msg) : |
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| 65 | """Displays the value.""" |
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| 66 | if self.isatty : |
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| 67 | self.app.display(msg) |
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| 68 | sys.stdout.flush() |
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| 69 | |
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| 70 | def oneMore(self) : |
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| 71 | """Increments internal counter.""" |
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| 72 | if self.size : |
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| 73 | self.number += 1 |
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| 74 | percent = "%.02f" % (float(self.number) * self.factor) |
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| 75 | if percent != self.previous : # optimize for large number of items |
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| 76 | self.display("\r%s%%" % percent) |
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| 77 | self.previous = percent |
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| 78 | |
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| 79 | def done(self) : |
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| 80 | """Displays the 'done' message.""" |
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| 81 | after = time.time() |
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| 82 | if self.size : |
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| 83 | try : |
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| 84 | speed = self.size / ((after - self.before) + 0.00000000001) # adds an epsilon to avoid an user's problem I can't reproduce... |
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| 85 | except ZeroDivisionError : |
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| 86 | speed = 1 # Fake value in case of division by zero, shouldn't happen anyway with the epsilon above... |
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| 87 | self.display("\r100.00%%\r \r%s. %s : %.2f %s.\n" \ |
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| 88 | % (_("Done"), _("Average speed"), speed, _("entries per second"))) |
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| 89 | else : |
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| 90 | self.display("\r100.00%%\r \r%s.\n" % _("Done")) |
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| 91 | |
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| 92 | class Tool : |
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| 93 | """Base class for tools with no database access.""" |
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| 94 | def __init__(self, doc="PyKota v%(__version__)s (c) %(__years__)s %(__author__)s") : |
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| 95 | """Initializes the command line tool.""" |
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| 96 | self.debug = True # in case of early failure |
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| 97 | self.logger = logger.openLogger("stderr") |
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| 98 | |
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| 99 | # Saves a copy of the locale settings |
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| 100 | (self.language, self.charset) = locale.getlocale() |
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| 101 | if not self.language : |
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| 102 | self.language = "C" |
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| 103 | if not self.charset : |
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| 104 | self.charset = "UTF-8" |
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| 105 | |
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| 106 | # pykota specific stuff |
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| 107 | self.documentation = doc |
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| 108 | |
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| 109 | # Extract the effective username |
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| 110 | uid = os.geteuid() |
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| 111 | try : |
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| 112 | self.effectiveUserName = pwd.getpwuid(uid)[0] |
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| 113 | except (KeyError, IndexError), msg : |
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| 114 | self.printInfo(_("Strange problem with uid(%s) : %s") % (uid, msg), "warn") |
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| 115 | self.effectiveUserName = os.getlogin() |
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| 116 | |
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| 117 | def deferredInit(self) : |
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| 118 | """Deferred initialization.""" |
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| 119 | confdir = os.environ.get("PYKOTA_HOME") |
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| 120 | environHome = True |
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| 121 | missingUser = False |
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| 122 | if confdir is None : |
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| 123 | environHome = False |
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| 124 | # check for config files in the 'pykota' user's home directory. |
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| 125 | try : |
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| 126 | self.pykotauser = pwd.getpwnam("pykota") |
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| 127 | confdir = self.pykotauser[5] |
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| 128 | except KeyError : |
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| 129 | self.pykotauser = None |
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| 130 | confdir = "/etc/pykota" |
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| 131 | missingUser = True |
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| 132 | |
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| 133 | self.config = config.PyKotaConfig(confdir) |
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| 134 | self.debug = self.config.getDebug() |
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| 135 | self.smtpserver = self.config.getSMTPServer() |
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| 136 | self.maildomain = self.config.getMailDomain() |
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| 137 | self.logger = logger.openLogger(self.config.getLoggingBackend()) |
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| 138 | |
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| 139 | # TODO : We NEED this here, even when not in an accounting filter/backend |
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| 140 | self.softwareJobSize = 0 |
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| 141 | self.softwareJobPrice = 0.0 |
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| 142 | |
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| 143 | if environHome : |
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| 144 | self.printInfo("PYKOTA_HOME environment variable is set. Configuration files were searched in %s" % confdir, "info") |
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| 145 | else : |
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| 146 | if missingUser : |
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| 147 | self.printInfo("The 'pykota' system account is missing. Configuration files were searched in %s instead." % confdir, "warn") |
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| 148 | |
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| 149 | self.logdebug("Language in use : %s" % self.language) |
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| 150 | self.logdebug("Charset in use : %s" % self.charset) |
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| 151 | |
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| 152 | arguments = " ".join(['"%s"' % arg for arg in sys.argv]) |
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| 153 | self.logdebug("Command line arguments : %s" % arguments) |
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| 154 | |
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| 155 | def display(self, message) : |
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| 156 | """Display a message after ensuring the correct charset is used.""" |
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| 157 | sys.stdout.write(message.encode(self.charset, |
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| 158 | "replace")) |
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| 159 | |
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| 160 | def logdebug(self, message) : |
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| 161 | """Logs something to debug output if debug is enabled.""" |
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| 162 | if self.debug : |
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| 163 | self.logger.log_message(message.encode(self.charset, \ |
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| 164 | "replace"), \ |
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| 165 | "debug") |
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| 166 | |
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| 167 | def printInfo(self, message, level="info") : |
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| 168 | """Sends a message to standard error.""" |
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| 169 | sys.stderr.write("%s: %s\n" % (level.upper(), \ |
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| 170 | message.encode(self.charset, \ |
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| 171 | "replace"))) |
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| 172 | sys.stderr.flush() |
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| 173 | |
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| 174 | def adminOnly(self, restricted=True) : |
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| 175 | """Raises an exception if the user is not a PyKota administrator.""" |
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| 176 | if restricted and not self.config.isAdmin : |
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| 177 | raise PyKotaCommandLineError, "%s : %s" % (pwd.getpwuid(os.geteuid())[0], _("You're not allowed to use this command.")) |
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| 178 | |
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| 179 | def matchString(self, s, patterns) : |
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| 180 | """Returns True if the string s matches one of the patterns, else False.""" |
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| 181 | if not patterns : |
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| 182 | return True # No pattern, always matches. |
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| 183 | else : |
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| 184 | for pattern in patterns : |
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| 185 | if fnmatch.fnmatchcase(s, pattern) : |
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| 186 | return True |
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| 187 | return False |
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| 188 | |
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| 189 | def sanitizeNames(self, names, isgroups) : |
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| 190 | """Sanitize users and groups names if needed.""" |
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| 191 | if not self.config.isAdmin : |
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| 192 | username = pwd.getpwuid(os.geteuid())[0] |
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| 193 | if isgroups : |
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| 194 | user = self.storage.getUser(username) |
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| 195 | if user.Exists : |
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| 196 | return [ g.Name for g in self.storage.getUserGroups(user) ] |
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| 197 | return [ username ] |
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| 198 | return names |
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| 199 | |
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| 200 | def display_version_and_quit(self) : |
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| 201 | """Displays version number, then exists successfully.""" |
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| 202 | try : |
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| 203 | self.clean() |
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| 204 | except AttributeError : |
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| 205 | pass |
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| 206 | self.display("%s\n" % __version__) |
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| 207 | sys.exit(0) |
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| 208 | |
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| 209 | def display_usage_and_quit(self) : |
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| 210 | """Displays command line usage, then exists successfully.""" |
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| 211 | try : |
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| 212 | self.clean() |
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| 213 | except AttributeError : |
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| 214 | pass |
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| 215 | self.display("%s\n" % (_(self.documentation) % globals())) |
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| 216 | self.display("%s\n\n" % __gplblurb__) |
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| 217 | self.display("%s %s\n" % (_("Please report bugs to :"), __author__)) |
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| 218 | sys.exit(0) |
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| 219 | |
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| 220 | def crashed(self, message="Bug in PyKota") : |
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| 221 | """Outputs a crash message, and optionally sends it to software author.""" |
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| 222 | msg = utils.crashed(message) |
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| 223 | fullmessage = "========== Traceback :\n\n%s\n\n========== sys.argv :\n\n%s\n\n========== Environment :\n\n%s\n" % \ |
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| 224 | (msg, \ |
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| 225 | "\n".join([" %s" % repr(a) for a in sys.argv]), \ |
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| 226 | "\n".join([" %s=%s" % (k, repr(v)) for (k, v) in os.environ.items()])) |
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| 227 | try : |
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| 228 | crashrecipient = self.config.getCrashRecipient() |
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| 229 | if crashrecipient : |
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| 230 | admin = self.config.getAdminMail("global") # Nice trick, isn't it ? |
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| 231 | server = smtplib.SMTP(self.smtpserver) |
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| 232 | msg = MIMEText(fullmessage.encode(self.charset, "replace"), _charset=self.charset) |
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| 233 | msg["Subject"] = Header("PyKota v%s crash traceback !" \ |
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| 234 | % __version__, charset=self.charset, errors="replace") |
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| 235 | msg["From"] = admin |
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| 236 | msg["To"] = crashrecipient |
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| 237 | msg["Cc"] = admin |
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| 238 | msg["Date"] = email.Utils.formatdate(localtime=True) |
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| 239 | server.sendmail(admin, [admin, crashrecipient], msg.as_string()) |
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| 240 | server.quit() |
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| 241 | except : |
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| 242 | self.printInfo("PyKota double crash !", "error") |
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| 243 | raise |
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| 244 | return fullmessage |
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| 245 | |
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| 246 | def parseCommandline(self, argv, short, long, allownothing=0) : |
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| 247 | """Parses the command line, controlling options.""" |
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| 248 | # split options in two lists: those which need an argument, those which don't need any |
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| 249 | short = "%sA:" % short |
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| 250 | long.append("arguments=") |
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| 251 | withoutarg = [] |
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| 252 | witharg = [] |
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| 253 | lgs = len(short) |
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| 254 | i = 0 |
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| 255 | while i < lgs : |
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| 256 | ii = i + 1 |
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| 257 | if (ii < lgs) and (short[ii] == ':') : |
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| 258 | # needs an argument |
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| 259 | witharg.append(short[i]) |
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| 260 | ii = ii + 1 # skip the ':' |
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| 261 | else : |
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| 262 | # doesn't need an argument |
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| 263 | withoutarg.append(short[i]) |
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| 264 | i = ii |
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| 265 | |
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| 266 | for option in long : |
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| 267 | if option[-1] == '=' : |
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| 268 | # needs an argument |
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| 269 | witharg.append(option[:-1]) |
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| 270 | else : |
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| 271 | # doesn't need an argument |
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| 272 | withoutarg.append(option) |
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| 273 | |
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| 274 | # then we parse the command line |
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| 275 | done = 0 |
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| 276 | while not done : |
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| 277 | # we begin with all possible options unset |
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| 278 | parsed = {} |
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| 279 | for option in withoutarg + witharg : |
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| 280 | parsed[option] = None |
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| 281 | args = [] # to not break if something unexpected happened |
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| 282 | try : |
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| 283 | options, args = getopt.getopt(argv, short, long) |
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| 284 | if options : |
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| 285 | for (o, v) in options : |
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| 286 | # we skip the '-' chars |
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| 287 | lgo = len(o) |
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| 288 | i = 0 |
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| 289 | while (i < lgo) and (o[i] == '-') : |
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| 290 | i = i + 1 |
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| 291 | o = o[i:] |
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| 292 | if o in witharg : |
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| 293 | # needs an argument : set it |
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| 294 | parsed[o] = v |
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| 295 | elif o in withoutarg : |
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| 296 | # doesn't need an argument : boolean |
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| 297 | parsed[o] = 1 |
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| 298 | else : |
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| 299 | # should never occur |
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| 300 | raise PyKotaCommandLineError, "Unexpected problem when parsing command line" |
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| 301 | elif (not args) and (not allownothing) and sys.stdin.isatty() : # no option and no argument, we display help if we are a tty |
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| 302 | self.display_usage_and_quit() |
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| 303 | except getopt.error, msg : |
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| 304 | raise PyKotaCommandLineError, str(msg) |
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| 305 | else : |
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| 306 | if parsed["arguments"] or parsed["A"] : |
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| 307 | # arguments are in a file, we ignore all other arguments |
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| 308 | # and reset the list of arguments to the lines read from |
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| 309 | # the file. |
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| 310 | argsfile = open(parsed["arguments"] or parsed["A"], "r") # TODO : charset decoding |
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| 311 | argv = [ l.strip() for l in argsfile.readlines() ] |
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| 312 | argsfile.close() |
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| 313 | for i in range(len(argv)) : |
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| 314 | argi = argv[i] |
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| 315 | if argi.startswith('"') and argi.endswith('"') : |
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| 316 | argv[i] = argi[1:-1] |
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| 317 | else : |
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| 318 | done = 1 |
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| 319 | return (parsed, args) |
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| 320 | |
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| 321 | class PyKotaTool(Tool) : |
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| 322 | """Base class for all PyKota command line tools.""" |
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| 323 | def deferredInit(self) : |
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| 324 | """Deferred initialization.""" |
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| 325 | Tool.deferredInit(self) |
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| 326 | self.storage = storage.openConnection(self) |
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| 327 | if self.config.isAdmin : # TODO : We don't know this before, fix this ! |
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| 328 | self.logdebug("Beware : running as a PyKota administrator !") |
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| 329 | else : |
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| 330 | self.logdebug("Don't Panic : running as a mere mortal !") |
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| 331 | |
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| 332 | def clean(self) : |
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| 333 | """Ensures that the database is closed.""" |
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| 334 | try : |
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| 335 | self.storage.close() |
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| 336 | except (TypeError, NameError, AttributeError) : |
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| 337 | pass |
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| 338 | |
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| 339 | def isValidName(self, name) : |
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| 340 | """Checks if a user or printer name is valid.""" |
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| 341 | invalidchars = "/@?*,;&|" |
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| 342 | for c in list(invalidchars) : |
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| 343 | if c in name : |
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| 344 | return 0 |
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| 345 | return 1 |
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| 346 | |
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| 347 | def _checkUserPQuota(self, userpquota) : |
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| 348 | """Checks the user quota on a printer and deny or accept the job.""" |
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| 349 | # then we check the user's own quota |
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| 350 | # if we get there we are sure that policy is not EXTERNAL |
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| 351 | user = userpquota.User |
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| 352 | printer = userpquota.Printer |
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| 353 | enforcement = self.config.getPrinterEnforcement(printer.Name) |
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| 354 | self.logdebug("Checking user %s's quota on printer %s" % (user.Name, printer.Name)) |
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| 355 | (policy, dummy) = self.config.getPrinterPolicy(userpquota.Printer.Name) |
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| 356 | if not userpquota.Exists : |
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| 357 | # Unknown userquota |
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| 358 | if policy == "ALLOW" : |
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| 359 | action = "POLICY_ALLOW" |
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| 360 | else : |
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| 361 | action = "POLICY_DENY" |
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| 362 | self.printInfo(_("Unable to match user %s on printer %s, applying default policy (%s)") % (user.Name, printer.Name, action)) |
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| 363 | else : |
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| 364 | pagecounter = int(userpquota.PageCounter or 0) |
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| 365 | if enforcement == "STRICT" : |
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| 366 | pagecounter += self.softwareJobSize |
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| 367 | if userpquota.SoftLimit is not None : |
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| 368 | softlimit = int(userpquota.SoftLimit) |
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| 369 | if pagecounter < softlimit : |
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| 370 | action = "ALLOW" |
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| 371 | else : |
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| 372 | if userpquota.HardLimit is None : |
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| 373 | # only a soft limit, this is equivalent to having only a hard limit |
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| 374 | action = "DENY" |
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| 375 | else : |
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| 376 | hardlimit = int(userpquota.HardLimit) |
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| 377 | if softlimit <= pagecounter < hardlimit : |
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| 378 | now = DateTime.now() |
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| 379 | if userpquota.DateLimit is not None : |
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| 380 | datelimit = DateTime.ISO.ParseDateTime(str(userpquota.DateLimit)[:19]) |
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| 381 | else : |
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| 382 | datelimit = now + self.config.getGraceDelay(printer.Name) |
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| 383 | userpquota.setDateLimit(datelimit) |
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| 384 | if now < datelimit : |
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| 385 | action = "WARN" |
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| 386 | else : |
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| 387 | action = "DENY" |
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| 388 | else : |
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| 389 | action = "DENY" |
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| 390 | else : |
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| 391 | if userpquota.HardLimit is not None : |
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| 392 | # no soft limit, only a hard one. |
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| 393 | hardlimit = int(userpquota.HardLimit) |
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| 394 | if pagecounter < hardlimit : |
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| 395 | action = "ALLOW" |
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| 396 | else : |
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| 397 | action = "DENY" |
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| 398 | else : |
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| 399 | # Both are unset, no quota, i.e. accounting only |
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| 400 | action = "ALLOW" |
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| 401 | return action |
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| 402 | |
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| 403 | def checkGroupPQuota(self, grouppquota) : |
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| 404 | """Checks the group quota on a printer and deny or accept the job.""" |
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| 405 | group = grouppquota.Group |
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| 406 | printer = grouppquota.Printer |
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| 407 | enforcement = self.config.getPrinterEnforcement(printer.Name) |
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| 408 | self.logdebug("Checking group %s's quota on printer %s" % (group.Name, printer.Name)) |
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| 409 | if group.LimitBy and (group.LimitBy.lower() == "balance") : |
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| 410 | val = group.AccountBalance or 0.0 |
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| 411 | if enforcement == "STRICT" : |
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| 412 | val -= self.softwareJobPrice # use precomputed size. |
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| 413 | balancezero = self.config.getBalanceZero() |
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| 414 | if val <= balancezero : |
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| 415 | action = "DENY" |
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| 416 | elif val <= self.config.getPoorMan() : |
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| 417 | action = "WARN" |
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| 418 | else : |
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| 419 | action = "ALLOW" |
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| 420 | if (enforcement == "STRICT") and (val == balancezero) : |
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| 421 | action = "WARN" # we can still print until account is 0 |
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| 422 | else : |
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| 423 | val = grouppquota.PageCounter or 0 |
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| 424 | if enforcement == "STRICT" : |
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| 425 | val += int(self.softwareJobSize) # TODO : this is not a fix, problem is elsewhere in grouppquota.PageCounter |
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| 426 | if grouppquota.SoftLimit is not None : |
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| 427 | softlimit = int(grouppquota.SoftLimit) |
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| 428 | if val < softlimit : |
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| 429 | action = "ALLOW" |
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| 430 | else : |
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| 431 | if grouppquota.HardLimit is None : |
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| 432 | # only a soft limit, this is equivalent to having only a hard limit |
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| 433 | action = "DENY" |
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| 434 | else : |
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| 435 | hardlimit = int(grouppquota.HardLimit) |
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| 436 | if softlimit <= val < hardlimit : |
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| 437 | now = DateTime.now() |
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| 438 | if grouppquota.DateLimit is not None : |
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| 439 | datelimit = DateTime.ISO.ParseDateTime(str(grouppquota.DateLimit)[:19]) |
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| 440 | else : |
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| 441 | datelimit = now + self.config.getGraceDelay(printer.Name) |
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| 442 | grouppquota.setDateLimit(datelimit) |
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| 443 | if now < datelimit : |
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| 444 | action = "WARN" |
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| 445 | else : |
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| 446 | action = "DENY" |
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| 447 | else : |
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| 448 | action = "DENY" |
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| 449 | else : |
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| 450 | if grouppquota.HardLimit is not None : |
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| 451 | # no soft limit, only a hard one. |
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| 452 | hardlimit = int(grouppquota.HardLimit) |
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| 453 | if val < hardlimit : |
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| 454 | action = "ALLOW" |
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| 455 | else : |
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| 456 | action = "DENY" |
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| 457 | else : |
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| 458 | # Both are unset, no quota, i.e. accounting only |
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| 459 | action = "ALLOW" |
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| 460 | return action |
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| 461 | |
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| 462 | def checkUserPQuota(self, userpquota) : |
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| 463 | """Checks the user quota on a printer and all its parents and deny or accept the job.""" |
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| 464 | user = userpquota.User |
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| 465 | printer = userpquota.Printer |
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| 466 | |
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| 467 | # indicates that a warning needs to be sent |
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| 468 | warned = 0 |
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| 469 | |
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| 470 | # first we check any group the user is a member of |
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| 471 | for group in self.storage.getUserGroups(user) : |
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| 472 | # No need to check anything if the group is in noquota mode |
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| 473 | if group.LimitBy != "noquota" : |
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| 474 | grouppquota = self.storage.getGroupPQuota(group, printer) |
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| 475 | # for the printer and all its parents |
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| 476 | for gpquota in [ grouppquota ] + grouppquota.ParentPrintersGroupPQuota : |
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| 477 | if gpquota.Exists : |
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| 478 | action = self.checkGroupPQuota(gpquota) |
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| 479 | if action == "DENY" : |
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| 480 | return action |
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| 481 | elif action == "WARN" : |
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| 482 | warned = 1 |
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| 483 | |
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| 484 | # Then we check the user's account balance |
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| 485 | # if we get there we are sure that policy is not EXTERNAL |
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| 486 | (policy, dummy) = self.config.getPrinterPolicy(printer.Name) |
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| 487 | if user.LimitBy and (user.LimitBy.lower() == "balance") : |
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| 488 | self.logdebug("Checking account balance for user %s" % user.Name) |
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| 489 | if user.AccountBalance is None : |
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| 490 | if policy == "ALLOW" : |
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| 491 | action = "POLICY_ALLOW" |
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| 492 | else : |
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| 493 | action = "POLICY_DENY" |
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| 494 | self.printInfo(_("Unable to find user %s's account balance, applying default policy (%s) for printer %s") % (user.Name, action, printer.Name)) |
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| 495 | return action |
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| 496 | else : |
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| 497 | if user.OverCharge == 0.0 : |
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| 498 | self.printInfo(_("User %s will not be charged for printing.") % user.Name) |
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| 499 | action = "ALLOW" |
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| 500 | else : |
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| 501 | val = float(user.AccountBalance or 0.0) |
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| 502 | enforcement = self.config.getPrinterEnforcement(printer.Name) |
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| 503 | if enforcement == "STRICT" : |
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| 504 | val -= self.softwareJobPrice # use precomputed size. |
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| 505 | balancezero = self.config.getBalanceZero() |
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| 506 | if val <= balancezero : |
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| 507 | action = "DENY" |
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| 508 | elif val <= self.config.getPoorMan() : |
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| 509 | action = "WARN" |
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| 510 | else : |
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| 511 | action = "ALLOW" |
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| 512 | if (enforcement == "STRICT") and (val == balancezero) : |
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| 513 | action = "WARN" # we can still print until account is 0 |
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| 514 | return action |
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| 515 | else : |
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| 516 | # Then check the user quota on current printer and all its parents. |
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| 517 | policyallowed = 0 |
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| 518 | for upquota in [ userpquota ] + userpquota.ParentPrintersUserPQuota : |
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| 519 | action = self._checkUserPQuota(upquota) |
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| 520 | if action in ("DENY", "POLICY_DENY") : |
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| 521 | return action |
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| 522 | elif action == "WARN" : |
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| 523 | warned = 1 |
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| 524 | elif action == "POLICY_ALLOW" : |
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| 525 | policyallowed = 1 |
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| 526 | if warned : |
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| 527 | return "WARN" |
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| 528 | elif policyallowed : |
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| 529 | return "POLICY_ALLOW" |
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| 530 | else : |
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| 531 | return "ALLOW" |
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| 532 | |
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| 533 | def externalMailTo(self, cmd, action, user, printer, message) : |
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| 534 | """Warns the user with an external command.""" |
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| 535 | username = user.Name |
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| 536 | printername = printer.Name |
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| 537 | email = user.Email or user.Name |
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| 538 | if "@" not in email : |
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| 539 | email = "%s@%s" % (email, self.maildomain or self.smtpserver) |
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| 540 | os.system(cmd % locals()) |
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| 541 | |
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| 542 | def formatCommandLine(self, cmd, user, printer) : |
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| 543 | """Executes an external command.""" |
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| 544 | username = user.Name |
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| 545 | printername = printer.Name |
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| 546 | return cmd % locals() |
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