[47] | 1 | #! /usr/bin/env python |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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| 3 | |
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[119] | 4 | """PyKotIcon is a generic, networked, cross-platform dialog box manager.""" |
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| 5 | |
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[89] | 6 | # PyKotIcon - Client side helper for PyKota |
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[47] | 7 | # |
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[89] | 8 | # (c) 2003, 2004, 2005, 2006 Jerome Alet <alet@librelogiciel.com> |
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[47] | 9 | # This program is free software; you can redistribute it and/or modify |
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| 10 | # it under the terms of the GNU General Public License as published by |
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| 11 | # the Free Software Foundation; either version 2 of the License, or |
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| 12 | # (at your option) any later version. |
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| 13 | # |
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| 14 | # This program is distributed in the hope that it will be useful, |
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| 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | # GNU General Public License for more details. |
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| 18 | # |
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| 19 | # You should have received a copy of the GNU General Public License |
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| 20 | # along with this program; if not, write to the Free Software |
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| 21 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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| 22 | # |
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| 23 | # |
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| 24 | |
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[119] | 25 | __version__ = "1.01" |
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| 26 | __author__ = "Jerome Alet" |
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| 27 | __author_email__ = "alet@librelogiciel.com" |
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| 28 | __license__ = "GNU GPL" |
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| 29 | __url__ = "http://www.librelogiciel.com/software/" |
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| 30 | __revision__ = "$Id$" |
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| 31 | |
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[47] | 32 | import sys |
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[63] | 33 | import os |
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[119] | 34 | import time |
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[47] | 35 | import urllib |
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| 36 | import urllib2 |
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[65] | 37 | import locale |
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| 38 | import gettext |
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[87] | 39 | import socket |
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| 40 | import threading |
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[88] | 41 | import xmlrpclib |
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[87] | 42 | import SimpleXMLRPCServer |
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[47] | 43 | |
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[87] | 44 | |
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[65] | 45 | if sys.platform == "win32" : |
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[119] | 46 | isWindows = True |
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[65] | 47 | try : |
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| 48 | import win32api |
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| 49 | except ImportError : |
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| 50 | raise ImportError, "Mark Hammond's Win32 Extensions are missing. Please install them." |
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[76] | 51 | else : |
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[85] | 52 | iconsdir = os.path.split(sys.argv[0])[0] |
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[65] | 53 | else : |
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[119] | 54 | isWindows = False |
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[76] | 55 | iconsdir = "/usr/share/pykoticon" # TODO : change this |
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[65] | 56 | import pwd |
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[57] | 57 | |
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[58] | 58 | try : |
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| 59 | import wx |
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[119] | 60 | hasWxPython = True |
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[58] | 61 | except ImportError : |
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[119] | 62 | hasWxPython = False |
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[75] | 63 | raise ImportError, "wxPython is missing. Please install it." |
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[58] | 64 | |
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[119] | 65 | aboutbox = """PyKotIcon v%(__version__)s (c) 2003-2006 %(__author__)s - %(__author_email__)s |
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[111] | 66 | |
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[119] | 67 | PyKotIcon is generic, networked, cross-platform dialog box manager. |
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| 68 | |
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| 69 | It is often used as a client side companion for PyKota, but it |
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[111] | 70 | can be used from other applications if you want. |
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| 71 | |
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| 72 | This program is free software; you can redistribute it and/or modify |
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| 73 | it under the terms of the GNU General Public License as published by |
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| 74 | the Free Software Foundation; either version 2 of the License, or |
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| 75 | (at your option) any later version. |
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| 76 | |
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| 77 | This program is distributed in the hope that it will be useful, |
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| 78 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 79 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 80 | GNU General Public License for more details. |
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| 81 | |
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| 82 | You should have received a copy of the GNU General Public License |
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| 83 | along with this program; if not, write to the Free Software |
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| 84 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.""" |
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| 85 | |
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[65] | 86 | |
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[87] | 87 | class MyXMLRPCServer(SimpleXMLRPCServer.SimpleXMLRPCServer) : |
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| 88 | """My own server class.""" |
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[88] | 89 | allow_reuse_address = True |
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| 90 | def __init__(self, frame, printserver, localport, debug=False) : |
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[122] | 91 | SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(self, \ |
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| 92 | ('0.0.0.0', localport), \ |
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| 93 | SimpleXMLRPCServer.SimpleXMLRPCRequestHandler, \ |
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| 94 | debug) |
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[87] | 95 | self.printServer = printserver |
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| 96 | self.frame = frame |
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[88] | 97 | self.debug = debug |
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[87] | 98 | loop = threading.Thread(target=self.mainloop) |
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| 99 | loop.start() |
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[56] | 100 | |
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[88] | 101 | def logDebug(self, message) : |
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| 102 | """Logs a debug message if debug mode is active.""" |
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| 103 | if self.debug : |
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| 104 | sys.stderr.write("%s\n" % message) |
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| 105 | |
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[87] | 106 | def export_quitApplication(self) : |
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| 107 | """Makes the application quit.""" |
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| 108 | self.frame.quitEvent.set() |
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[92] | 109 | wx.CallAfter(self.frame.OnClose, None) |
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[87] | 110 | return True |
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[55] | 111 | |
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[103] | 112 | def export_askDatas(self, labels, varnames, varvalues) : |
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| 113 | """Asks some textual datas defined by a list of labels, a list of variables' names and a list of variables values in a mapping.""" |
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[107] | 114 | values = {} |
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[119] | 115 | for (key, value) in varvalues.items() : |
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| 116 | values[key] = self.frame.UTF8ToUserCharset(value.data) |
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| 117 | wx.CallAfter(self.frame.askDatas, [ self.frame.UTF8ToUserCharset(label.data) for label in labels ], \ |
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[107] | 118 | varnames, \ |
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[113] | 119 | values) |
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[102] | 120 | # ugly, isn't it ? |
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[105] | 121 | while self.frame.dialogAnswer is None : |
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| 122 | time.sleep(0.1) |
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| 123 | retcode = self.frame.dialogAnswer |
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[119] | 124 | for (key, value) in retcode.items() : |
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| 125 | if key != "isValid" : |
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| 126 | retcode[key] = xmlrpclib.Binary(self.frame.userCharsetToUTF8(value)) |
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[102] | 127 | self.frame.dialogAnswer = None # prepare for next call, just in case |
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[105] | 128 | return retcode |
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[102] | 129 | |
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[100] | 130 | def export_showDialog(self, message, yesno) : |
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| 131 | """Opens a notification or confirmation dialog.""" |
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[112] | 132 | wx.CallAfter(self.frame.showDialog, self.frame.UTF8ToUserCharset(message.data), yesno) |
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[92] | 133 | # ugly, isn't it ? |
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[100] | 134 | while self.frame.dialogAnswer is None : |
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[97] | 135 | time.sleep(0.1) |
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[100] | 136 | retcode = self.frame.dialogAnswer |
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| 137 | self.frame.dialogAnswer = None # prepare for next call, just in case |
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[91] | 138 | return retcode |
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| 139 | |
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[88] | 140 | def export_nop(self) : |
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| 141 | """Does nothing, but allows a clean shutdown from the frame itself.""" |
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| 142 | return True |
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| 143 | |
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[87] | 144 | def verify_request(self, request, client_address) : |
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| 145 | """Ensures that requests which don't come from the print server are rejected.""" |
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| 146 | (client, port) = client_address |
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| 147 | if socket.gethostbyname(self.printServer) == client : |
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[88] | 148 | self.logDebug("%s accepted." % client) |
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[87] | 149 | return True |
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| 150 | else : |
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| 151 | # Unauthorized access ! |
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[88] | 152 | self.logDebug("%s rejected." % client) |
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[87] | 153 | return False |
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[55] | 154 | |
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[87] | 155 | def _dispatch(self, method, params) : |
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| 156 | """Ensure that only export_* methods are available.""" |
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| 157 | return getattr(self, "export_%s" % method)(*params) |
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[55] | 158 | |
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[87] | 159 | def mainloop(self) : |
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| 160 | """XML-RPC Server's main loop.""" |
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[102] | 161 | self.register_function(self.export_askDatas) |
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[100] | 162 | self.register_function(self.export_showDialog) |
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[87] | 163 | self.register_function(self.export_quitApplication) |
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[88] | 164 | self.register_function(self.export_nop) |
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[87] | 165 | while not self.frame.quitEvent.isSet() : |
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| 166 | self.handle_request() |
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[88] | 167 | self.server_close() |
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[87] | 168 | sys.exit(0) |
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[47] | 169 | |
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[119] | 170 | |
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[105] | 171 | class GenericInputDialog(wx.Dialog) : |
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[104] | 172 | """Generic input dialog box.""" |
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| 173 | def __init__(self, parent, id, labels, varnames, varvalues): |
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[105] | 174 | wx.Dialog.__init__(self, parent, id, \ |
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[104] | 175 | _("PyKotIcon data input"), \ |
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[105] | 176 | style = wx.CAPTION \ |
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| 177 | | wx.THICK_FRAME \ |
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[104] | 178 | | wx.STAY_ON_TOP \ |
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[105] | 179 | | wx.DIALOG_MODAL) |
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| 180 | |
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[106] | 181 | self.variables = [] |
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[104] | 182 | vsizer = wx.BoxSizer(wx.VERTICAL) |
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| 183 | for i in range(len(varnames)) : |
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| 184 | varname = varnames[i] |
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| 185 | try : |
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| 186 | label = labels[i] |
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| 187 | except IndexError : |
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| 188 | label = "" |
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| 189 | labelid = wx.NewId() |
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| 190 | varid = wx.NewId() |
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| 191 | label = wx.StaticText(self, labelid, label) |
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[106] | 192 | if varname.lower().find("password") != -1 : |
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| 193 | variable = wx.TextCtrl(self, varid, varvalues.get(varname, ""), style=wx.TE_PASSWORD) |
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| 194 | else : |
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| 195 | variable = wx.TextCtrl(self, varid, varvalues.get(varname, "")) |
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| 196 | self.variables.append(variable) |
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[104] | 197 | hsizer = wx.BoxSizer(wx.HORIZONTAL) |
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| 198 | hsizer.Add(label, 0, wx.ALIGN_CENTER | wx.ALIGN_RIGHT | wx.ALL, 5) |
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| 199 | hsizer.Add(variable, 0, wx.ALIGN_CENTER | wx.ALIGN_LEFT | wx.ALL, 5) |
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| 200 | vsizer.Add(hsizer, 0, wx.ALIGN_CENTER | wx.ALL, 5) |
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| 201 | |
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[105] | 202 | okbutton = wx.Button(self, wx.ID_OK, "OK") |
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[104] | 203 | vsizer.Add(okbutton, 0, wx.ALIGN_CENTER | wx.ALL, 5) |
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[105] | 204 | |
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[104] | 205 | self.SetAutoLayout(True) |
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| 206 | self.SetSizerAndFit(vsizer) |
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| 207 | self.Layout() |
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| 208 | |
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[119] | 209 | |
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[87] | 210 | class PyKotIcon(wx.Frame): |
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[63] | 211 | """Main class.""" |
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| 212 | def __init__(self, parent, id): |
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[100] | 213 | self.dialogAnswer = None |
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[104] | 214 | wx.Frame.__init__(self, parent, id, \ |
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[119] | 215 | _("PyKotIcon info for %s") % self.getCurrentUserName(), \ |
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[111] | 216 | size = (1, 1), \ |
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| 217 | style = wx.FRAME_NO_TASKBAR | wx.NO_FULL_REPAINT_ON_RESIZE) |
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[114] | 218 | |
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| 219 | self.tbicon = wx.TaskBarIcon() |
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[104] | 220 | self.greenicon = wx.Icon(os.path.join(iconsdir, "pykoticon-green.ico"), \ |
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| 221 | wx.BITMAP_TYPE_ICO) |
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| 222 | self.redicon = wx.Icon(os.path.join(iconsdir, "pykoticon-red.ico"), \ |
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| 223 | wx.BITMAP_TYPE_ICO) |
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[114] | 224 | self.tbicon.SetIcon(self.greenicon, "PyKotIcon") |
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[104] | 225 | |
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[114] | 226 | wx.EVT_TASKBAR_LEFT_DCLICK(self.tbicon, self.OnTaskBarActivate) |
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| 227 | wx.EVT_TASKBAR_RIGHT_UP(self.tbicon, self.OnTaskBarMenu) |
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[104] | 228 | |
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[114] | 229 | self.TBMENU_ABOUT = wx.NewId() |
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| 230 | self.TBMENU_RESTORE = wx.NewId() |
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| 231 | self.TBMENU_CLOSE = wx.NewId() |
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| 232 | wx.EVT_MENU(self.tbicon, self.TBMENU_ABOUT, \ |
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| 233 | self.OnAbout) |
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| 234 | wx.EVT_MENU(self.tbicon, self.TBMENU_RESTORE, \ |
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| 235 | self.OnTaskBarActivate) |
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| 236 | wx.EVT_MENU(self.tbicon, self.TBMENU_CLOSE, \ |
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| 237 | self.OnTaskBarClose) |
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| 238 | self.menu = wx.Menu() |
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| 239 | self.menu.Append(self.TBMENU_ABOUT, _("About")) |
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| 240 | self.menu.Append(self.TBMENU_CLOSE, _("Quit")) |
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[104] | 241 | |
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| 242 | wx.EVT_ICONIZE(self, self.OnIconify) |
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| 243 | wx.EVT_CLOSE(self, self.OnClose) |
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[91] | 244 | self.Show(True) |
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[64] | 245 | |
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[119] | 246 | def getCurrentUserName(self) : |
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| 247 | """Retrieves the current user's name.""" |
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| 248 | if isWindows : |
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| 249 | return win32api.GetUserName() |
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| 250 | else : |
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| 251 | try : |
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| 252 | return pwd.getpwuid(os.geteuid())[0] |
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| 253 | except : |
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| 254 | return "** Unknown **" |
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| 255 | |
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[59] | 256 | def OnIconify(self, event) : |
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[104] | 257 | if not self.IsIconized() : |
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| 258 | self.Iconize(True) |
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[111] | 259 | self.Hide() |
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[58] | 260 | |
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[59] | 261 | def OnTaskBarActivate(self, event) : |
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[104] | 262 | if self.IsIconized() : |
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| 263 | self.Iconize(False) |
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[59] | 264 | if not self.IsShown() : |
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[58] | 265 | self.Show(True) |
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| 266 | self.Raise() |
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| 267 | |
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[64] | 268 | def OnClose(self, event) : |
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[88] | 269 | self.closeServer() |
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[114] | 270 | self.menu.Destroy() |
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| 271 | self.tbicon.Destroy() |
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[58] | 272 | self.Destroy() |
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| 273 | |
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[91] | 274 | def OnTaskBarMenu(self, event) : |
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[114] | 275 | self.tbicon.PopupMenu(self.menu) |
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[58] | 276 | |
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[91] | 277 | def OnTaskBarClose(self, event) : |
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[58] | 278 | self.Close() |
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[91] | 279 | |
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[111] | 280 | def OnAbout(self, event) : |
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| 281 | """Displays the about box.""" |
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[119] | 282 | dialog = wx.MessageDialog(self, aboutbox % globals(), _("About"), wx.OK | wx.ICON_INFORMATION) |
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[111] | 283 | dialog.ShowModal() |
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| 284 | dialog.Destroy() |
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| 285 | |
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[100] | 286 | def showDialog(self, message, yesno) : |
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| 287 | """Opens a notification dialog.""" |
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| 288 | self.dialogAnswer = None |
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| 289 | if yesno : |
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| 290 | caption = _("Confirmation") |
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| 291 | style = wx.YES_NO | wx.YES_DEFAULT | wx.ICON_QUESTION |
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| 292 | else : |
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| 293 | caption = _("Information") |
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| 294 | style = wx.OK | wx.ICON_INFORMATION |
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| 295 | style |= wx.STAY_ON_TOP |
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| 296 | dialog = wx.MessageDialog(self, message, caption, style) |
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| 297 | self.dialogAnswer = ((dialog.ShowModal() == wx.ID_NO) and "CANCEL") or "OK" |
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| 298 | dialog.Destroy() |
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[91] | 299 | |
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[103] | 300 | def askDatas(self, labels, varnames, varvalues) : |
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[102] | 301 | """Opens a dialog box asking for data entry.""" |
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| 302 | # use it this way : self.askDatas(["Username", "Password", "Billing code"], ["username", "password", "billingcode"]) |
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[105] | 303 | self.dialogAnswer = None |
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| 304 | dialog = GenericInputDialog(self, wx.ID_ANY, labels, varnames, varvalues) |
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[106] | 305 | retvalues = {} |
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| 306 | if dialog.ShowModal() == wx.ID_OK : |
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| 307 | retvalues["isValid"] = True |
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| 308 | for i in range(len(varnames)) : |
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| 309 | retvalues[varnames[i]] = dialog.variables[i].GetValue() |
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| 310 | else : |
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| 311 | retvalues["isValid"] = False |
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| 312 | for k in varvalues.keys() : |
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| 313 | retvalues[k] = "" |
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| 314 | self.dialogAnswer = retvalues |
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[105] | 315 | dialog.Destroy() |
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[104] | 316 | |
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| 317 | def closeServer(self) : |
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| 318 | """Tells the xml-rpc server to exit.""" |
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| 319 | if not self.quitEvent.isSet() : |
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| 320 | self.quitEvent.set() |
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| 321 | server = xmlrpclib.ServerProxy("http://localhost:%s" % self.port) |
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| 322 | try : |
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| 323 | # wake the server with an empty request |
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| 324 | # for it to see the event object |
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| 325 | # which has just been set |
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| 326 | server.nop() |
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| 327 | except : |
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| 328 | # Probably already stopped |
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| 329 | pass |
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| 330 | |
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[112] | 331 | def postInit(self, charset, printserver, localport) : |
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[104] | 332 | """Starts the XML-RPC server.""" |
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| 333 | self.quitEvent = threading.Event() |
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[112] | 334 | self.charset = charset |
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[104] | 335 | self.port = localport |
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[119] | 336 | self.server = MyXMLRPCServer(self, printserver, localport) |
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[112] | 337 | |
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| 338 | def UTF8ToUserCharset(self, text) : |
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| 339 | """Converts from UTF-8 to user's charset.""" |
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| 340 | if text is not None : |
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| 341 | try : |
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[119] | 342 | return text.decode("UTF-8").encode(self.charset, "replace") |
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| 343 | except (UnicodeError, AttributeError) : |
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[112] | 344 | try : |
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[119] | 345 | # Maybe already in Unicode |
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| 346 | return text.encode(self.charset, "replace") |
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| 347 | except (UnicodeError, AttributeError) : |
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| 348 | pass # Don't know what to do |
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[112] | 349 | return text |
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| 350 | |
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| 351 | def userCharsetToUTF8(self, text) : |
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| 352 | """Converts from user's charset to UTF-8.""" |
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| 353 | if text is not None : |
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| 354 | try : |
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[119] | 355 | # We don't necessarily trust the default charset, because |
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| 356 | # xprint sends us titles in UTF-8 but CUPS gives us an ISO-8859-1 charset ! |
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| 357 | # So we first try to see if the text is already in UTF-8 or not, and |
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| 358 | # if it is, we delete characters which can't be converted to the user's charset, |
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| 359 | # then convert back to UTF-8. PostgreSQL 7.3.x used to reject some unicode characters, |
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| 360 | # this is fixed by the ugly line below : |
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| 361 | return text.decode("UTF-8").encode(self.charset, "replace").decode(self.charset).encode("UTF-8", "replace") |
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| 362 | except (UnicodeError, AttributeError) : |
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[112] | 363 | try : |
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[119] | 364 | return text.decode(self.charset).encode("UTF-8", "replace") |
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| 365 | except (UnicodeError, AttributeError) : |
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[113] | 366 | try : |
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[119] | 367 | # Maybe already in Unicode |
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| 368 | return text.encode("UTF-8", "replace") |
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| 369 | except (UnicodeError, AttributeError) : |
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| 370 | pass # Don't know what to do |
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[112] | 371 | return text |
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[119] | 372 | |
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[92] | 373 | |
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[111] | 374 | class PyKotIconApp(wx.App): |
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[58] | 375 | def OnInit(self) : |
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[104] | 376 | self.frame = PyKotIcon(None, wx.ID_ANY) |
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[111] | 377 | self.frame.Show(False) |
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[114] | 378 | self.SetTopWindow(self.frame) |
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[58] | 379 | return True |
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| 380 | |
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[112] | 381 | def postInit(self, charset, printserver, localport) : |
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[81] | 382 | """Continues processing.""" |
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[112] | 383 | self.frame.postInit(charset, printserver, localport) |
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[81] | 384 | |
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[119] | 385 | |
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[87] | 386 | def main(printserver, localport): |
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[63] | 387 | """Program's entry point.""" |
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[65] | 388 | try : |
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| 389 | locale.setlocale(locale.LC_ALL, "") |
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| 390 | except (locale.Error, IOError) : |
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| 391 | sys.stderr.write("Problem while setting locale.\n") |
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| 392 | try : |
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| 393 | gettext.install("pykoticon") |
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| 394 | except : |
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| 395 | gettext.NullTranslations().install() |
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[112] | 396 | |
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| 397 | localecharset = None |
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| 398 | try : |
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| 399 | try : |
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| 400 | localecharset = locale.nl_langinfo(locale.CODESET) |
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| 401 | except AttributeError : |
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| 402 | try : |
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| 403 | localecharset = locale.getpreferredencoding() |
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| 404 | except AttributeError : |
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| 405 | try : |
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| 406 | localecharset = locale.getlocale()[1] |
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| 407 | localecharset = localecharset or locale.getdefaultlocale()[1] |
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| 408 | except ValueError : |
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| 409 | pass # Unknown locale, strange... |
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| 410 | except locale.Error : |
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| 411 | pass |
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| 412 | charset = os.environ.get("CHARSET") or localecharset or "ISO-8859-15" |
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| 413 | |
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[63] | 414 | app = PyKotIconApp() |
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[87] | 415 | try : |
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| 416 | localport = int(localport) |
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| 417 | except (TypeError, ValueError) : |
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| 418 | raise ValueError, "Invalid TCP port parameter %s\n" % localport |
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[112] | 419 | app.postInit(charset, printserver, localport) |
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[63] | 420 | app.MainLoop() |
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| 421 | |
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[119] | 422 | |
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[58] | 423 | def crashed() : |
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| 424 | """Minimal crash method.""" |
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| 425 | import traceback |
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| 426 | lines = [] |
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| 427 | for line in traceback.format_exception(*sys.exc_info()) : |
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| 428 | lines.extend([l for l in line.split("\n") if l]) |
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| 429 | msg = "ERROR: ".join(["%s\n" % l for l in (["ERROR: PyKotIcon"] + lines)]) |
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| 430 | sys.stderr.write(msg) |
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| 431 | sys.stderr.flush() |
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[47] | 432 | |
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[119] | 433 | |
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[58] | 434 | if __name__ == '__main__': |
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[81] | 435 | if len(sys.argv) >= 2 : |
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| 436 | arg = sys.argv[1] |
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| 437 | if arg in ("-v", "--version") : |
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[119] | 438 | print __version__ |
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[81] | 439 | elif arg in ("-h", "--help") : |
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[93] | 440 | sys.stderr.write("usage : pykoticon pykota_server_hostname_or_ip_address localTCPPort\n") |
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[81] | 441 | else : |
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[87] | 442 | main(*sys.argv[1:3]) |
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[58] | 443 | else : |
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[93] | 444 | sys.stderr.write("usage : pykoticon pykota_server_hostname_or_ip_address localTCPPort\n") |
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