/usr/share/doc/twisted-doc/examples/pbgtk2.py is in twisted-doc 11.1.0-1ubuntu2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | # Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from __future__ import nested_scopes
from twisted.internet import gtk2reactor
gtk2reactor.install()
import gtk
from gtk import glade
from twisted import copyright
from twisted.internet import reactor, defer
from twisted.python import failure, log, util
from twisted.spread import pb
from twisted.cred.credentials import UsernamePassword
from twisted.internet import error as netError
class LoginDialog:
def __init__(self, deferred):
self.deferredResult = deferred
gladefile = util.sibpath(__file__, "pbgtk2login.glade")
self.glade = glade.XML(gladefile)
self.glade.signal_autoconnect(self)
self.setWidgetsFromGladefile()
self._loginDialog.show()
def setWidgetsFromGladefile(self):
widgets = ("hostEntry", "portEntry", "userNameEntry", "passwordEntry",
"statusBar", "loginDialog")
gw = self.glade.get_widget
for widgetName in widgets:
setattr(self, "_" + widgetName, gw(widgetName))
self._statusContext = self._statusBar.get_context_id("Login dialog.")
def on_loginDialog_response(self, widget, response):
handlers = {gtk.RESPONSE_NONE: self.windowClosed,
gtk.RESPONSE_DELETE_EVENT: self.windowClosed,
gtk.RESPONSE_OK: self.doLogin,
gtk.RESPONSE_CANCEL: self.cancelled}
handlers.get(response)()
def on_loginDialog_close(self, widget, userdata=None):
self.windowClosed()
def cancelled(self):
if not self.deferredResult.called:
self.deferredResult.errback()
self._loginDialog.destroy()
def windowClosed(self, reason=None):
if not self.deferredResult.called:
self.deferredResult.errback()
def doLogin(self):
host = self._hostEntry.get_text()
port = int(self._portEntry.get_text())
userName = self._userNameEntry.get_text()
password = self._passwordEntry.get_text()
client_factory = pb.PBClientFactory()
reactor.connectTCP(host, port, client_factory)
creds = UsernamePassword(userName, password)
client_factory.login(creds).addCallbacks(self._cbGotPerspective, self._ebFailedLogin)
self.statusMsg("Contacting server...")
def _cbGotPerspective(self, perspective):
self.statusMsg("Connected to server.")
self.deferredResult.callback(perspective)
self._loginDialog.destroy()
def _ebFailedLogin(self, reason):
if isinstance(reason, failure.Failure):
text = str(reason.value)
else:
text = str(reason)
self.statusMsg(text)
msg = gtk.MessageDialog(self._loginDialog,
gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR,
gtk.BUTTONS_CLOSE,
text)
msg.show_all()
msg.connect("response", lambda *a: msg.destroy())
def statusMsg(self, text):
self._statusBar.push(self._statusContext, text)
class EchoClient:
def __init__(self, echoer):
self.echoer = echoer
w = gtk.Window(gtk.WINDOW_TOPLEVEL)
vb = gtk.VBox(); b = gtk.Button("Echo:")
self.entry = gtk.Entry(); self.outry = gtk.Entry()
w.add(vb)
map(vb.add, [b, self.entry, self.outry])
b.connect('clicked', self.clicked)
w.connect('destroy', self.stop)
w.show_all()
def clicked(self, b):
txt = self.entry.get_text()
self.entry.set_text("")
self.echoer.callRemote('echo',txt).addCallback(self.outry.set_text)
def stop(self, b):
reactor.stop()
d = defer.Deferred()
LoginDialog(d)
d.addCallbacks(EchoClient,
lambda _: reactor.stop())
reactor.run()
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