[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 wxPython.wx |
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| 53 | import wx |
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| 54 | hasWxPython = 1 |
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| 55 | except ImportError : |
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| 56 | hasWxPython = 0 |
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[75] | 57 | raise ImportError, "wxPython is missing. Please install it." |
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[58] | 58 | |
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[65] | 59 | def getCurrentUserName() : |
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| 60 | """Retrieves the current user's name.""" |
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| 61 | if isWindows : |
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| 62 | return win32api.GetUserName() |
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| 63 | else : |
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| 64 | try : |
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| 65 | return pwd.getpwuid(os.geteuid())[0] |
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| 66 | except : |
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| 67 | return "** Unknown **" |
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| 68 | |
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[87] | 69 | class MyXMLRPCServer(SimpleXMLRPCServer.SimpleXMLRPCServer) : |
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| 70 | """My own server class.""" |
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[88] | 71 | allow_reuse_address = True |
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| 72 | def __init__(self, frame, printserver, localport, debug=False) : |
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| 73 | SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(self, ('0.0.0.0', localport)) |
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[87] | 74 | self.printServer = printserver |
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| 75 | self.frame = frame |
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[88] | 76 | self.debug = debug |
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[87] | 77 | loop = threading.Thread(target=self.mainloop) |
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| 78 | loop.start() |
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[56] | 79 | |
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[88] | 80 | def logDebug(self, message) : |
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| 81 | """Logs a debug message if debug mode is active.""" |
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| 82 | if self.debug : |
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| 83 | sys.stderr.write("%s\n" % message) |
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| 84 | |
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[87] | 85 | def export_quitApplication(self) : |
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| 86 | """Makes the application quit.""" |
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[88] | 87 | self.logDebug("Remote host asked to close the application.") |
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[87] | 88 | self.frame.quitEvent.set() |
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[92] | 89 | wx.CallAfter(self.frame.OnClose, None) |
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[87] | 90 | return True |
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[55] | 91 | |
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[103] | 92 | def export_askDatas(self, labels, varnames, varvalues) : |
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| 93 | """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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| 94 | wx.CallAfter(self.frame.askDatas, labels, varnames, varvalues) |
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[102] | 95 | # ugly, isn't it ? |
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[103] | 96 | #while self.frame.dialogAnswer is None : |
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| 97 | # time.sleep(0.1) |
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[102] | 98 | # TODO : add value extraction and return a mapping |
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| 99 | self.frame.dialogAnswer = None # prepare for next call, just in case |
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| 100 | return True |
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| 101 | |
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[100] | 102 | def export_showDialog(self, message, yesno) : |
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| 103 | """Opens a notification or confirmation dialog.""" |
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| 104 | wx.CallAfter(self.frame.showDialog, message, yesno) |
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[92] | 105 | # ugly, isn't it ? |
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[100] | 106 | while self.frame.dialogAnswer is None : |
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[97] | 107 | time.sleep(0.1) |
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[100] | 108 | retcode = self.frame.dialogAnswer |
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| 109 | self.frame.dialogAnswer = None # prepare for next call, just in case |
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[91] | 110 | return retcode |
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| 111 | |
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[88] | 112 | def export_nop(self) : |
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| 113 | """Does nothing, but allows a clean shutdown from the frame itself.""" |
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| 114 | self.logDebug("No operation !") |
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| 115 | return True |
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| 116 | |
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[87] | 117 | def verify_request(self, request, client_address) : |
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| 118 | """Ensures that requests which don't come from the print server are rejected.""" |
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| 119 | (client, port) = client_address |
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| 120 | if socket.gethostbyname(self.printServer) == client : |
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[88] | 121 | self.logDebug("%s accepted." % client) |
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[87] | 122 | return True |
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| 123 | else : |
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| 124 | # Unauthorized access ! |
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[88] | 125 | self.logDebug("%s rejected." % client) |
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[87] | 126 | return False |
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[55] | 127 | |
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[87] | 128 | def _dispatch(self, method, params) : |
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| 129 | """Ensure that only export_* methods are available.""" |
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| 130 | return getattr(self, "export_%s" % method)(*params) |
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[55] | 131 | |
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[87] | 132 | def mainloop(self) : |
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| 133 | """XML-RPC Server's main loop.""" |
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[102] | 134 | self.register_function(self.export_askDatas) |
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[100] | 135 | self.register_function(self.export_showDialog) |
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[87] | 136 | self.register_function(self.export_quitApplication) |
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[88] | 137 | self.register_function(self.export_nop) |
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[87] | 138 | while not self.frame.quitEvent.isSet() : |
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| 139 | self.handle_request() |
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[88] | 140 | self.server_close() |
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[87] | 141 | sys.exit(0) |
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[47] | 142 | |
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[87] | 143 | class PyKotIcon(wx.Frame): |
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[63] | 144 | """Main class.""" |
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| 145 | def __init__(self, parent, id): |
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[100] | 146 | self.dialogAnswer = None |
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[91] | 147 | wx.Frame.__init__(self, parent, wx.ID_ANY, \ |
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[102] | 148 | _("PyKota info for %s") % getCurrentUserName(), \ |
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[87] | 149 | size = (-1, -1), \ |
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[66] | 150 | style = wxPython.wx.wxDEFAULT_FRAME_STYLE \ |
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[72] | 151 | | wxPython.wx.wxSIZE_AUTO_HEIGHT \ |
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| 152 | | wxPython.wx.wxSIZE_AUTO_WIDTH \ |
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[66] | 153 | | wxPython.wx.wxNO_FULL_REPAINT_ON_RESIZE) |
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[91] | 154 | # try : |
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| 155 | # self.tbicon = wxPython.wx.wxTaskBarIcon() |
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| 156 | # except AttributeError : |
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| 157 | # self.tbicon = None # No taskbar icon facility, old wxWidgets maybe |
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| 158 | # |
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| 159 | # self.greenicon = wxPython.wx.wxIcon(os.path.join(iconsdir, "pykoticon-green.ico"), \ |
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| 160 | # wxPython.wx.wxBITMAP_TYPE_ICO) |
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| 161 | # self.redicon = wxPython.wx.wxIcon(os.path.join(iconsdir, "pykoticon-red.ico"), \ |
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| 162 | # wxPython.wx.wxBITMAP_TYPE_ICO) |
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| 163 | # |
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| 164 | # self.SetIcon(self.greenicon) |
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| 165 | # if self.tbicon is not None : |
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| 166 | # self.tbicon.SetIcon(self.greenicon, "PyKotIcon") |
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| 167 | # wxPython.wx.EVT_TASKBAR_LEFT_DCLICK(self.tbicon, self.OnTaskBarActivate) |
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| 168 | # wxPython.wx.EVT_TASKBAR_RIGHT_UP(self.tbicon, self.OnTaskBarMenu) |
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| 169 | # |
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| 170 | # self.TBMENU_RESTORE = wx.NewId() |
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| 171 | # self.TBMENU_CLOSE = wx.NewId() |
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| 172 | # wxPython.wx.EVT_MENU(self.tbicon, self.TBMENU_RESTORE, \ |
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| 173 | # self.OnTaskBarActivate) |
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| 174 | # wxPython.wx.EVT_MENU(self.tbicon, self.TBMENU_CLOSE, \ |
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| 175 | # self.OnTaskBarClose) |
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| 176 | # self.menu = wxPython.wx.wxMenu() |
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| 177 | # self.menu.Append(self.TBMENU_RESTORE, _("Show Print Quota")) |
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| 178 | # self.menu.Append(self.TBMENU_CLOSE, _("Quit")) |
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| 179 | # |
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[58] | 180 | wxPython.wx.EVT_ICONIZE(self, self.OnIconify) |
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[64] | 181 | wxPython.wx.EVT_CLOSE(self, self.OnClose) |
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[91] | 182 | self.Show(True) |
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[64] | 183 | |
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[88] | 184 | def closeServer(self) : |
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| 185 | """Tells the xml-rpc server to exit.""" |
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| 186 | if not self.quitEvent.isSet() : |
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| 187 | self.quitEvent.set() |
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| 188 | server = xmlrpclib.ServerProxy("http://localhost:%s" % self.port) |
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| 189 | try : |
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[92] | 190 | # wake the server with an empty request |
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| 191 | # for it to see the event object |
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| 192 | # which has just been set |
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[88] | 193 | server.nop() |
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| 194 | except : |
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| 195 | # Probably already stopped |
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| 196 | pass |
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| 197 | |
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[87] | 198 | def postInit(self, printserver, localport) : |
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| 199 | """Starts the XML-RPC server.""" |
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| 200 | self.quitEvent = threading.Event() |
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[88] | 201 | self.port = localport |
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| 202 | self.server = MyXMLRPCServer(self, printserver, localport, debug=True) |
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[59] | 203 | |
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| 204 | def OnIconify(self, event) : |
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[72] | 205 | self.Hide() |
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[58] | 206 | |
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[59] | 207 | def OnTaskBarActivate(self, event) : |
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[91] | 208 | #if self.IsIconized() : |
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| 209 | # self.Iconize(False) |
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[59] | 210 | if not self.IsShown() : |
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[58] | 211 | self.Show(True) |
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| 212 | self.Raise() |
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| 213 | |
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[64] | 214 | def OnClose(self, event) : |
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[87] | 215 | sys.stderr.write("Close event !\n") |
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[88] | 216 | self.closeServer() |
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[58] | 217 | if hasattr(self, "menu") : |
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[64] | 218 | self.menu.Destroy() |
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[58] | 219 | del self.menu |
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[87] | 220 | if hasattr(self, "tbicon") and self.tbicon : |
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[58] | 221 | self.tbicon.Destroy() |
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| 222 | del self.tbicon |
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| 223 | self.Destroy() |
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| 224 | |
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[91] | 225 | def OnTaskBarMenu(self, event) : |
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| 226 | #if self.tbicon : |
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| 227 | # self.tbicon.PopupMenu(self.menu) |
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| 228 | pass |
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[58] | 229 | |
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[91] | 230 | def OnTaskBarClose(self, event) : |
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[58] | 231 | self.Close() |
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[91] | 232 | |
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[100] | 233 | def showDialog(self, message, yesno) : |
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| 234 | """Opens a notification dialog.""" |
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| 235 | self.dialogAnswer = None |
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| 236 | if yesno : |
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| 237 | caption = _("Confirmation") |
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| 238 | style = wx.YES_NO | wx.YES_DEFAULT | wx.ICON_QUESTION |
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| 239 | else : |
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| 240 | caption = _("Information") |
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| 241 | style = wx.OK | wx.ICON_INFORMATION |
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| 242 | style |= wx.STAY_ON_TOP |
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| 243 | dialog = wx.MessageDialog(self, message, caption, style) |
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| 244 | self.dialogAnswer = ((dialog.ShowModal() == wx.ID_NO) and "CANCEL") or "OK" |
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| 245 | dialog.Destroy() |
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[91] | 246 | |
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[103] | 247 | def askDatas(self, labels, varnames, varvalues) : |
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[102] | 248 | """Opens a dialog box asking for data entry.""" |
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| 249 | # use it this way : self.askDatas(["Username", "Password", "Billing code"], ["username", "password", "billingcode"]) |
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[103] | 250 | frame = wx.Frame(self, wx.ID_ANY, \ |
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| 251 | _("Enter PyKota information"), \ |
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| 252 | size = (-1, -1), \ |
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| 253 | style = wxPython.wx.wxDEFAULT_FRAME_STYLE \ |
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| 254 | | wxPython.wx.wxSIZE_AUTO_HEIGHT \ |
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| 255 | | wxPython.wx.wxSIZE_AUTO_WIDTH \ |
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| 256 | | wxPython.wx.wxNO_FULL_REPAINT_ON_RESIZE) |
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[102] | 257 | self.dialogAnswer = None |
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| 258 | values = {} |
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[103] | 259 | vsizer = wx.BoxSizer(wx.VERTICAL) |
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[102] | 260 | for i in range(len(varnames)) : |
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| 261 | varname = varnames[i] |
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| 262 | values[varname] = None |
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| 263 | try : |
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| 264 | label = labels[i] |
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| 265 | except IndexError : |
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| 266 | label = "" |
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| 267 | labelid = wx.NewId() |
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| 268 | varid = wx.NewId() |
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[103] | 269 | label = wx.StaticText(frame, labelid, label) |
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| 270 | variable = wx.TextCtrl(frame, varid, varvalues.get(varname, "")) |
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| 271 | hsizer = wx.BoxSizer(wx.HORIZONTAL) |
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| 272 | hsizer.Add(label, 0, wx.ALIGN_CENTER | wx.ALIGN_RIGHT | wx.ALL, 5) |
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| 273 | hsizer.Add(variable, 0, wx.ALIGN_CENTER | wx.ALIGN_LEFT | wx.ALL, 5) |
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| 274 | vsizer.Add(hsizer, 0, wx.ALIGN_CENTER | wx.ALL, 5) |
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| 275 | okbutton = wx.Button(frame, wx.ID_ANY, "OK") |
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| 276 | vsizer.Add(okbutton, 0, wx.ALIGN_CENTER | wx.ALL, 5) |
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| 277 | frame.SetAutoLayout(True) |
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| 278 | frame.SetSizerAndFit(vsizer) |
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| 279 | frame.Layout() |
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| 280 | frame.Show(True) |
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[92] | 281 | |
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[72] | 282 | class PyKotIconApp(wx.PySimpleApp): |
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[58] | 283 | def OnInit(self) : |
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[91] | 284 | self.frame = PyKotIcon(None, -1) |
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[58] | 285 | return True |
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| 286 | |
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[87] | 287 | def postInit(self, printserver, localport) : |
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[81] | 288 | """Continues processing.""" |
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[87] | 289 | self.frame.postInit(printserver, localport) |
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[81] | 290 | self.frame.Show(True) |
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| 291 | |
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[87] | 292 | def main(printserver, localport): |
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[63] | 293 | """Program's entry point.""" |
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[65] | 294 | try : |
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| 295 | locale.setlocale(locale.LC_ALL, "") |
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| 296 | except (locale.Error, IOError) : |
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| 297 | sys.stderr.write("Problem while setting locale.\n") |
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| 298 | try : |
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| 299 | gettext.install("pykoticon") |
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| 300 | except : |
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| 301 | gettext.NullTranslations().install() |
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[63] | 302 | app = PyKotIconApp() |
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[87] | 303 | try : |
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| 304 | localport = int(localport) |
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| 305 | except (TypeError, ValueError) : |
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| 306 | raise ValueError, "Invalid TCP port parameter %s\n" % localport |
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| 307 | app.postInit(printserver, localport) |
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[63] | 308 | app.MainLoop() |
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| 309 | |
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[58] | 310 | def crashed() : |
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| 311 | """Minimal crash method.""" |
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| 312 | import traceback |
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| 313 | lines = [] |
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| 314 | for line in traceback.format_exception(*sys.exc_info()) : |
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| 315 | lines.extend([l for l in line.split("\n") if l]) |
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| 316 | msg = "ERROR: ".join(["%s\n" % l for l in (["ERROR: PyKotIcon"] + lines)]) |
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| 317 | sys.stderr.write(msg) |
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| 318 | sys.stderr.flush() |
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[47] | 319 | |
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[58] | 320 | if __name__ == '__main__': |
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[81] | 321 | if len(sys.argv) >= 2 : |
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| 322 | arg = sys.argv[1] |
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| 323 | if arg in ("-v", "--version") : |
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[87] | 324 | print "0.3" |
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[81] | 325 | elif arg in ("-h", "--help") : |
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[93] | 326 | sys.stderr.write("usage : pykoticon pykota_server_hostname_or_ip_address localTCPPort\n") |
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[81] | 327 | else : |
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[87] | 328 | main(*sys.argv[1:3]) |
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[58] | 329 | else : |
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[93] | 330 | sys.stderr.write("usage : pykoticon pykota_server_hostname_or_ip_address localTCPPort\n") |
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