root / pykota / trunk / bin / autopykota @ 3488

Revision 3481, 6.5 kB (checked in by jerome, 16 years ago)

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1#! /usr/bin/env python
2# -*- coding: utf-8 -*-*-
3#
4# PyKota : Print Quotas for CUPS
5#
6# (c) 2003-2009 Jerome Alet <alet@librelogiciel.com>
7# This program is free software: you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation, either version 3 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20#
21# $Id$
22#
23#
24
25"""A tool to automate user account creation and initial balance setting.
26
27THIS TOOL MUST NOT BE USED IF YOU WANT TO LIMIT YOUR USERS BY PAGE QUOTA !
28
29THIS TOOL MUST NOT BE USED FROM THE COMMAND LINE BUT ONLY AS PART
30OF AN external policy IN pykota.conf
31"""
32
33import sys
34import os
35
36import pykota.appinit
37from pykota.utils import run
38from pykota.commandline import PyKotaOptionParser
39from pykota.errors import PyKotaToolError
40from pykota.tool import PyKotaTool
41
42class AutoPyKota(PyKotaTool) :
43    """A class for the automat."""
44    def main(self, arguments, options) :
45        """Main entry point."""
46        username = os.environ.get("PYKOTAUSERNAME")
47        printername = os.environ.get("PYKOTAPRINTERNAME")
48        if (username is None) or (printername is None) :
49            raise PyKotaToolError, "Either the username or the printername is undefined. Fatal Error."
50        else :
51            username = username.decode(self.charset)
52            printername = printername.decode(self.charset)
53            printer = self.storage.getPrinter(printername)
54            if not printer.Exists :
55                self.logdebug("Creating printer %s which doesn't exist yet." \
56                                        % printername)
57                os.system('pkprinters --add --description "%s" "%s"' \
58                           % (_("printer created with autopykota").encode(self.charset, "replace"),
59                              printername.encode(self.charset)))
60                printer = self.storage.getPrinterFromBackend(printername)
61                if printer.Exists :
62                    self.logdebug("Printer %s created successfully." % printername)
63                else :
64                    self.logdebug("Impossible to create printer %s." % printername)
65                printernames = [printername]
66            else :
67                printernames = [printer.Name] + [p.Name for p in self.storage.getParentPrinters(printer)]
68
69            user = self.storage.getUser(username)
70            if not user.Exists :
71                self.logdebug("Creating user %s which doesn't exist yet." % username)
72                if (options.email is None) :
73                    os.system('pkusers --add --limitby balance --balance "%s" --description "%s" "%s"' \
74                                       % (options.initbalance,
75                                          _("user created with autopykota").encode(self.charset, "replace"),
76                                          username.encode(self.charset)))
77                else :
78                    os.system('pkusers --add --limitby balance --balance "%s" --email "%s" --description "%s" "%s"' \
79                                       % (options.initbalance,
80                                          options.email.encode(self.charset),
81                                          _("user created with autopykota").encode(self.charset, "replace"),
82                                          username.encode(self.charset)))
83
84                user = self.storage.getUserFromBackend(username)
85                if user.Exists :
86                    self.logdebug("User %s created successfully." % username)
87                else :
88                    self.logdebug("Impossible to create user %s." % username)
89
90            if user.Exists and printer.Exists :
91                userpquota = self.storage.getUserPQuota(user, printer)
92                if not userpquota.Exists :
93                    self.logdebug("Creating a print quota entry for user %s on printers %s" \
94                                        % (username, printernames))
95                    os.system('edpykota --add --printer "%s" "%s"' \
96                                % (','.join(printernames).encode(self.charset),
97                                   username.encode(self.charset)))
98                    userpquota = self.storage.getUserPQuotaFromBackend(user,
99                                                                       printer)
100                    if userpquota.Exists :
101                        self.logdebug("User %s's print quota entry on printer %s created successfully." \
102                                            % (username, printername))
103                        return 0
104                    else :
105                        self.logdebug("Impossible to create user %s's print quota entry on printer %s." \
106                                            % (username, printername))
107                        return -1
108                else :
109                    self.logdebug("User %s's print quota entry on printer %s already exists. Nothing to do." \
110                                        % (username, printername))
111                    return 0
112            else :
113                return -1
114
115if __name__ == "__main__" :
116    parser = PyKotaOptionParser(description=_("A tool to automate user account creation and initial balance setting. THIS TOOL MUST NOT BE USED FROM THE COMMAND LINE BUT ONLY AS PART OF AN external policy IN pykota.conf, AND MUST NOT BE USED IF YOU WANT TO LIMIT YOUR USERS BY PAGE QUOTA !"),
117                                usage="autopykota { -i | --initbalance value } [options]")
118    parser.add_option("-i", "--initbalance",
119                            type="float",
120                            dest="initbalance",
121                            default=0.0,
122                            help=_("Set the user's initial account balance value. If the user already exists, actual balance is left unchanged. If unset, the default value is %default."))
123    parser.add_option("-e", "--email",
124                            dest="email",
125                            help=_("Set the user's email address."))
126
127    parser.add_example('--email="@example.com" --initbalance=10.0',
128                       _("This would set the current user's email address to $PYKOTAUSERNAME@example.com, and would set the initial value of his account balance to 10.0 credits."))
129
130    run(parser, AutoPyKota)
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