[47] | 1 | #! /usr/bin/env python |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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| 3 | |
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[89] | 4 | # PyKotIcon - Client side helper for PyKota |
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[47] | 5 | # |
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[89] | 6 | # (c) 2003, 2004, 2005, 2006 Jerome Alet <alet@librelogiciel.com> |
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[47] | 7 | # This program is free software; you can redistribute it and/or modify |
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| 8 | # it under the terms of the GNU General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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| 11 | # |
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| 12 | # This program is distributed in the hope that it will be useful, |
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | # GNU General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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| 19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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| 20 | # |
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[53] | 21 | # $Id$ |
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[47] | 22 | # |
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| 23 | # |
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| 24 | |
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| 25 | import sys |
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[63] | 26 | import os |
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[47] | 27 | import urllib |
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| 28 | import urllib2 |
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[65] | 29 | import locale |
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| 30 | import gettext |
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[87] | 31 | import socket |
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| 32 | import threading |
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[88] | 33 | import xmlrpclib |
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[87] | 34 | import SimpleXMLRPCServer |
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[47] | 35 | |
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[87] | 36 | import time |
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| 37 | |
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[65] | 38 | if sys.platform == "win32" : |
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| 39 | isWindows = 1 |
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| 40 | try : |
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| 41 | import win32api |
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| 42 | except ImportError : |
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| 43 | raise ImportError, "Mark Hammond's Win32 Extensions are missing. Please install them." |
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[76] | 44 | else : |
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[85] | 45 | iconsdir = os.path.split(sys.argv[0])[0] |
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[65] | 46 | else : |
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| 47 | isWindows = 0 |
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[76] | 48 | iconsdir = "/usr/share/pykoticon" # TODO : change this |
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[65] | 49 | import pwd |
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[57] | 50 | |
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[58] | 51 | try : |
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| 52 | import wx |
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| 53 | hasWxPython = 1 |
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| 54 | except ImportError : |
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| 55 | hasWxPython = 0 |
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[75] | 56 | raise ImportError, "wxPython is missing. Please install it." |
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[58] | 57 | |
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[111] | 58 | aboutbox = """PyKotIcon v1.00 (c) 2003, 2004, 2005, 2006 Jerome Alet - alet@librelogiciel.com |
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| 59 | |
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| 60 | PyKotIcon is a client side print quota notifier for PyKota, but it |
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| 61 | can be used from other applications if you want. |
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| 62 | |
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| 63 | This program is free software; you can redistribute it and/or modify |
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| 64 | it under the terms of the GNU General Public License as published by |
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| 65 | the Free Software Foundation; either version 2 of the License, or |
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| 66 | (at your option) any later version. |
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| 67 | |
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| 68 | This program is distributed in the hope that it will be useful, |
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| 69 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 70 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 71 | GNU General Public License for more details. |
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| 72 | |
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| 73 | You should have received a copy of the GNU General Public License |
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| 74 | along with this program; if not, write to the Free Software |
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| 75 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.""" |
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| 76 | |
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[65] | 77 | def getCurrentUserName() : |
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| 78 | """Retrieves the current user's name.""" |
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| 79 | if isWindows : |
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| 80 | return win32api.GetUserName() |
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| 81 | else : |
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| 82 | try : |
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| 83 | return pwd.getpwuid(os.geteuid())[0] |
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| 84 | except : |
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| 85 | return "** Unknown **" |
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| 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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| 91 | SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(self, ('0.0.0.0', localport)) |
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[87] | 92 | self.printServer = printserver |
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| 93 | self.frame = frame |
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[88] | 94 | self.debug = debug |
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[87] | 95 | loop = threading.Thread(target=self.mainloop) |
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| 96 | loop.start() |
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[56] | 97 | |
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[88] | 98 | def logDebug(self, message) : |
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| 99 | """Logs a debug message if debug mode is active.""" |
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| 100 | if self.debug : |
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| 101 | sys.stderr.write("%s\n" % message) |
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| 102 | |
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[87] | 103 | def export_quitApplication(self) : |
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| 104 | """Makes the application quit.""" |
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| 105 | self.frame.quitEvent.set() |
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[92] | 106 | wx.CallAfter(self.frame.OnClose, None) |
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[87] | 107 | return True |
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[55] | 108 | |
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[103] | 109 | def export_askDatas(self, labels, varnames, varvalues) : |
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| 110 | """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] | 111 | values = {} |
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| 112 | for (k, v) in varvalues.items() : |
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| 113 | values[k] = v.data |
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[112] | 114 | wx.CallAfter(self.frame.askDatas, [ self.frame.UTF8ToUserCharset(v.data) for v in labels ], \ |
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[107] | 115 | varnames, \ |
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[112] | 116 | [ self.frame.UTF8ToUserCharset(v.data) for v in values]) |
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[102] | 117 | # ugly, isn't it ? |
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[105] | 118 | while self.frame.dialogAnswer is None : |
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| 119 | time.sleep(0.1) |
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| 120 | retcode = self.frame.dialogAnswer |
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[107] | 121 | for (k, v) in retcode.items() : |
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| 122 | if k != "isValid" : |
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[112] | 123 | retcode[k] = xmlrpclib.Binary(self.frame.userCharsetToUTF8(v)) |
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[102] | 124 | self.frame.dialogAnswer = None # prepare for next call, just in case |
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[105] | 125 | return retcode |
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[102] | 126 | |
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[100] | 127 | def export_showDialog(self, message, yesno) : |
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| 128 | """Opens a notification or confirmation dialog.""" |
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[112] | 129 | wx.CallAfter(self.frame.showDialog, self.frame.UTF8ToUserCharset(message.data), yesno) |
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[92] | 130 | # ugly, isn't it ? |
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[100] | 131 | while self.frame.dialogAnswer is None : |
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[97] | 132 | time.sleep(0.1) |
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[100] | 133 | retcode = self.frame.dialogAnswer |
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| 134 | self.frame.dialogAnswer = None # prepare for next call, just in case |
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[91] | 135 | return retcode |
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| 136 | |
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[88] | 137 | def export_nop(self) : |
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| 138 | """Does nothing, but allows a clean shutdown from the frame itself.""" |
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| 139 | return True |
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| 140 | |
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[87] | 141 | def verify_request(self, request, client_address) : |
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| 142 | """Ensures that requests which don't come from the print server are rejected.""" |
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| 143 | (client, port) = client_address |
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| 144 | if socket.gethostbyname(self.printServer) == client : |
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[88] | 145 | self.logDebug("%s accepted." % client) |
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[87] | 146 | return True |
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| 147 | else : |
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| 148 | # Unauthorized access ! |
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[88] | 149 | self.logDebug("%s rejected." % client) |
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[87] | 150 | return False |
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[55] | 151 | |
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[87] | 152 | def _dispatch(self, method, params) : |
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| 153 | """Ensure that only export_* methods are available.""" |
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| 154 | return getattr(self, "export_%s" % method)(*params) |
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[55] | 155 | |
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[87] | 156 | def mainloop(self) : |
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| 157 | """XML-RPC Server's main loop.""" |
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[102] | 158 | self.register_function(self.export_askDatas) |
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[100] | 159 | self.register_function(self.export_showDialog) |
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[87] | 160 | self.register_function(self.export_quitApplication) |
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[88] | 161 | self.register_function(self.export_nop) |
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[87] | 162 | while not self.frame.quitEvent.isSet() : |
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| 163 | self.handle_request() |
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[88] | 164 | self.server_close() |
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[87] | 165 | sys.exit(0) |
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[47] | 166 | |
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[105] | 167 | class GenericInputDialog(wx.Dialog) : |
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[104] | 168 | """Generic input dialog box.""" |
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| 169 | def __init__(self, parent, id, labels, varnames, varvalues): |
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[105] | 170 | wx.Dialog.__init__(self, parent, id, \ |
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[104] | 171 | _("PyKotIcon data input"), \ |
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[105] | 172 | style = wx.CAPTION \ |
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| 173 | | wx.THICK_FRAME \ |
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[104] | 174 | | wx.STAY_ON_TOP \ |
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[105] | 175 | | wx.DIALOG_MODAL) |
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| 176 | |
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[106] | 177 | self.variables = [] |
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[104] | 178 | vsizer = wx.BoxSizer(wx.VERTICAL) |
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| 179 | for i in range(len(varnames)) : |
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| 180 | varname = varnames[i] |
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| 181 | try : |
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| 182 | label = labels[i] |
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| 183 | except IndexError : |
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| 184 | label = "" |
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| 185 | labelid = wx.NewId() |
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| 186 | varid = wx.NewId() |
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| 187 | label = wx.StaticText(self, labelid, label) |
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[106] | 188 | if varname.lower().find("password") != -1 : |
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| 189 | variable = wx.TextCtrl(self, varid, varvalues.get(varname, ""), style=wx.TE_PASSWORD) |
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| 190 | else : |
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| 191 | variable = wx.TextCtrl(self, varid, varvalues.get(varname, "")) |
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| 192 | self.variables.append(variable) |
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[104] | 193 | hsizer = wx.BoxSizer(wx.HORIZONTAL) |
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| 194 | hsizer.Add(label, 0, wx.ALIGN_CENTER | wx.ALIGN_RIGHT | wx.ALL, 5) |
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| 195 | hsizer.Add(variable, 0, wx.ALIGN_CENTER | wx.ALIGN_LEFT | wx.ALL, 5) |
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| 196 | vsizer.Add(hsizer, 0, wx.ALIGN_CENTER | wx.ALL, 5) |
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| 197 | |
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[105] | 198 | okbutton = wx.Button(self, wx.ID_OK, "OK") |
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[104] | 199 | vsizer.Add(okbutton, 0, wx.ALIGN_CENTER | wx.ALL, 5) |
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[105] | 200 | |
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[104] | 201 | self.SetAutoLayout(True) |
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| 202 | self.SetSizerAndFit(vsizer) |
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| 203 | self.Layout() |
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| 204 | |
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[87] | 205 | class PyKotIcon(wx.Frame): |
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[63] | 206 | """Main class.""" |
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| 207 | def __init__(self, parent, id): |
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[100] | 208 | self.dialogAnswer = None |
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[104] | 209 | wx.Frame.__init__(self, parent, id, \ |
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| 210 | _("PyKotIcon info for %s") % getCurrentUserName(), \ |
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[111] | 211 | size = (1, 1), \ |
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| 212 | style = wx.FRAME_NO_TASKBAR | wx.NO_FULL_REPAINT_ON_RESIZE) |
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[104] | 213 | try : |
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| 214 | self.tbicon = wx.TaskBarIcon() |
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| 215 | except AttributeError : |
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| 216 | self.tbicon = None # No taskbar icon facility |
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| 217 | |
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| 218 | self.greenicon = wx.Icon(os.path.join(iconsdir, "pykoticon-green.ico"), \ |
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| 219 | wx.BITMAP_TYPE_ICO) |
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| 220 | self.redicon = wx.Icon(os.path.join(iconsdir, "pykoticon-red.ico"), \ |
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| 221 | wx.BITMAP_TYPE_ICO) |
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| 222 | |
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| 223 | self.SetIcon(self.greenicon) |
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| 224 | if self.tbicon is not None : |
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| 225 | self.tbicon.SetIcon(self.greenicon, "PyKotIcon") |
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| 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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| 228 | |
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[111] | 229 | self.TBMENU_ABOUT = wx.NewId() |
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[104] | 230 | self.TBMENU_RESTORE = wx.NewId() |
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| 231 | self.TBMENU_CLOSE = wx.NewId() |
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[111] | 232 | wx.EVT_MENU(self.tbicon, self.TBMENU_ABOUT, \ |
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| 233 | self.OnAbout) |
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[104] | 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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[110] | 238 | try : |
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| 239 | self.menu = wx.Menu() |
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| 240 | except : |
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| 241 | pass |
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| 242 | else : |
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[111] | 243 | self.menu.Append(self.TBMENU_ABOUT, _("About")) |
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[110] | 244 | self.menu.Append(self.TBMENU_CLOSE, _("Quit")) |
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[104] | 245 | |
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| 246 | wx.EVT_ICONIZE(self, self.OnIconify) |
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| 247 | wx.EVT_CLOSE(self, self.OnClose) |
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[91] | 248 | self.Show(True) |
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[64] | 249 | |
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[59] | 250 | def OnIconify(self, event) : |
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[104] | 251 | if not self.IsIconized() : |
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| 252 | self.Iconize(True) |
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[111] | 253 | self.Hide() |
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[58] | 254 | |
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[59] | 255 | def OnTaskBarActivate(self, event) : |
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[104] | 256 | if self.IsIconized() : |
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| 257 | self.Iconize(False) |
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[59] | 258 | if not self.IsShown() : |
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[58] | 259 | self.Show(True) |
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| 260 | self.Raise() |
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| 261 | |
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[64] | 262 | def OnClose(self, event) : |
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[88] | 263 | self.closeServer() |
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[109] | 264 | try : |
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[64] | 265 | self.menu.Destroy() |
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[109] | 266 | except AttributeError : |
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| 267 | pass |
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| 268 | try : |
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[58] | 269 | self.tbicon.Destroy() |
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[109] | 270 | except AttributeError : |
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| 271 | pass |
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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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[104] | 275 | if self.tbicon : |
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[109] | 276 | try : |
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| 277 | self.tbicon.PopupMenu(self.menu) |
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| 278 | except AttributeError : |
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| 279 | pass |
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[58] | 280 | |
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[91] | 281 | def OnTaskBarClose(self, event) : |
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[58] | 282 | self.Close() |
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[91] | 283 | |
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[111] | 284 | def OnAbout(self, event) : |
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| 285 | """Displays the about box.""" |
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| 286 | dialog = wx.MessageDialog(self, aboutbox, _("About"), wx.OK | wx.ICON_INFORMATION) |
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| 287 | dialog.ShowModal() |
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| 288 | dialog.Destroy() |
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| 289 | |
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[100] | 290 | def showDialog(self, message, yesno) : |
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| 291 | """Opens a notification dialog.""" |
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| 292 | self.dialogAnswer = None |
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| 293 | if yesno : |
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| 294 | caption = _("Confirmation") |
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| 295 | style = wx.YES_NO | wx.YES_DEFAULT | wx.ICON_QUESTION |
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| 296 | else : |
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| 297 | caption = _("Information") |
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| 298 | style = wx.OK | wx.ICON_INFORMATION |
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| 299 | style |= wx.STAY_ON_TOP |
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| 300 | dialog = wx.MessageDialog(self, message, caption, style) |
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| 301 | self.dialogAnswer = ((dialog.ShowModal() == wx.ID_NO) and "CANCEL") or "OK" |
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| 302 | dialog.Destroy() |
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[91] | 303 | |
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[103] | 304 | def askDatas(self, labels, varnames, varvalues) : |
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[102] | 305 | """Opens a dialog box asking for data entry.""" |
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| 306 | # use it this way : self.askDatas(["Username", "Password", "Billing code"], ["username", "password", "billingcode"]) |
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[105] | 307 | self.dialogAnswer = None |
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| 308 | dialog = GenericInputDialog(self, wx.ID_ANY, labels, varnames, varvalues) |
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[106] | 309 | retvalues = {} |
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| 310 | if dialog.ShowModal() == wx.ID_OK : |
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| 311 | retvalues["isValid"] = True |
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| 312 | for i in range(len(varnames)) : |
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| 313 | retvalues[varnames[i]] = dialog.variables[i].GetValue() |
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| 314 | else : |
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| 315 | retvalues["isValid"] = False |
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| 316 | for k in varvalues.keys() : |
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| 317 | retvalues[k] = "" |
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| 318 | self.dialogAnswer = retvalues |
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[105] | 319 | dialog.Destroy() |
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[104] | 320 | |
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| 321 | def closeServer(self) : |
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| 322 | """Tells the xml-rpc server to exit.""" |
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| 323 | if not self.quitEvent.isSet() : |
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| 324 | self.quitEvent.set() |
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| 325 | server = xmlrpclib.ServerProxy("http://localhost:%s" % self.port) |
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| 326 | try : |
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| 327 | # wake the server with an empty request |
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| 328 | # for it to see the event object |
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| 329 | # which has just been set |
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| 330 | server.nop() |
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| 331 | except : |
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| 332 | # Probably already stopped |
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| 333 | pass |
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| 334 | |
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[112] | 335 | def postInit(self, charset, printserver, localport) : |
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[104] | 336 | """Starts the XML-RPC server.""" |
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| 337 | self.quitEvent = threading.Event() |
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[112] | 338 | self.charset = charset |
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[104] | 339 | self.port = localport |
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[108] | 340 | self.server = MyXMLRPCServer(self, printserver, localport) |
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[112] | 341 | |
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| 342 | def UTF8ToUserCharset(self, text) : |
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| 343 | """Converts from UTF-8 to user's charset.""" |
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| 344 | if text is not None : |
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| 345 | try : |
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| 346 | return unicode(text, "UTF-8").encode(self.charset) |
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| 347 | except UnicodeError : |
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| 348 | try : |
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| 349 | # Incorrect locale settings ? |
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| 350 | return unicode(text, "UTF-8").encode("ISO-8859-15") |
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| 351 | except UnicodeError : |
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| 352 | pass |
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| 353 | return text |
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| 354 | |
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| 355 | def userCharsetToUTF8(self, text) : |
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| 356 | """Converts from user's charset to UTF-8.""" |
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| 357 | if text is not None : |
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| 358 | try : |
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| 359 | return unicode(text, self.charset).encode("UTF-8") |
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| 360 | except UnicodeError : |
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| 361 | try : |
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| 362 | # Incorrect locale settings ? |
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| 363 | return unicode(text, "ISO-8859-15").encode("UTF-8") |
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| 364 | except UnicodeError : |
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| 365 | pass |
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| 366 | return text |
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[92] | 367 | |
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[111] | 368 | class PyKotIconApp(wx.App): |
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[58] | 369 | def OnInit(self) : |
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[104] | 370 | self.frame = PyKotIcon(None, wx.ID_ANY) |
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[111] | 371 | self.frame.Center(wx.BOTH) |
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| 372 | self.frame.Show(False) |
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[58] | 373 | return True |
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| 374 | |
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[112] | 375 | def postInit(self, charset, printserver, localport) : |
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[81] | 376 | """Continues processing.""" |
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[112] | 377 | self.frame.postInit(charset, printserver, localport) |
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[81] | 378 | |
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[87] | 379 | def main(printserver, localport): |
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[63] | 380 | """Program's entry point.""" |
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[65] | 381 | try : |
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| 382 | locale.setlocale(locale.LC_ALL, "") |
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| 383 | except (locale.Error, IOError) : |
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| 384 | sys.stderr.write("Problem while setting locale.\n") |
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| 385 | try : |
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| 386 | gettext.install("pykoticon") |
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| 387 | except : |
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| 388 | gettext.NullTranslations().install() |
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[112] | 389 | |
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| 390 | localecharset = None |
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| 391 | try : |
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| 392 | try : |
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| 393 | localecharset = locale.nl_langinfo(locale.CODESET) |
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| 394 | except AttributeError : |
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| 395 | try : |
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| 396 | localecharset = locale.getpreferredencoding() |
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| 397 | except AttributeError : |
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| 398 | try : |
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| 399 | localecharset = locale.getlocale()[1] |
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| 400 | localecharset = localecharset or locale.getdefaultlocale()[1] |
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| 401 | except ValueError : |
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| 402 | pass # Unknown locale, strange... |
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| 403 | except locale.Error : |
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| 404 | pass |
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| 405 | charset = os.environ.get("CHARSET") or localecharset or "ISO-8859-15" |
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| 406 | |
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[63] | 407 | app = PyKotIconApp() |
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[87] | 408 | try : |
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| 409 | localport = int(localport) |
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| 410 | except (TypeError, ValueError) : |
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| 411 | raise ValueError, "Invalid TCP port parameter %s\n" % localport |
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[112] | 412 | app.postInit(charset, printserver, localport) |
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[63] | 413 | app.MainLoop() |
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| 414 | |
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[58] | 415 | def crashed() : |
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| 416 | """Minimal crash method.""" |
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| 417 | import traceback |
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| 418 | lines = [] |
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| 419 | for line in traceback.format_exception(*sys.exc_info()) : |
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| 420 | lines.extend([l for l in line.split("\n") if l]) |
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| 421 | msg = "ERROR: ".join(["%s\n" % l for l in (["ERROR: PyKotIcon"] + lines)]) |
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| 422 | sys.stderr.write(msg) |
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| 423 | sys.stderr.flush() |
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[47] | 424 | |
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[58] | 425 | if __name__ == '__main__': |
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[81] | 426 | if len(sys.argv) >= 2 : |
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| 427 | arg = sys.argv[1] |
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| 428 | if arg in ("-v", "--version") : |
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[87] | 429 | print "0.3" |
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[81] | 430 | elif arg in ("-h", "--help") : |
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[93] | 431 | sys.stderr.write("usage : pykoticon pykota_server_hostname_or_ip_address localTCPPort\n") |
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[81] | 432 | else : |
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[87] | 433 | main(*sys.argv[1:3]) |
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[58] | 434 | else : |
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[93] | 435 | sys.stderr.write("usage : pykoticon pykota_server_hostname_or_ip_address localTCPPort\n") |
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