# Twisted, the Framework of Your Internet
# Copyright (C) 2001 Matthew W. Lefkowitz
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from twisted.spread import pb
from twisted.internet import defer
from twisted.web import widgets
class EchoDisplay(widgets.Presentation):
template = """<H1>Welcome to my widget, displaying %%%%echotext%%%%.</h1>
<p>Here it is: %%%%getEchoPerspective()%%%%</p>"""
echotext = 'hello web!'
def getEchoPerspective(self):
return ['<b>',
pb.connect("localhost", pb.portno,
"guest", "guest",
"pbecho", "guest", 1).addCallback(self.makeListOf),
'</b>']
def makeListOf(self, echoer):
return [echoer.callRemote('echo', self.echotext).addCallback(widgets.listify)]
if __name__ == "__main__":
from twisted.web import server
from twisted.internet import app
a = app.Application("pbweb")
gdgt = widgets.Gadget()
gdgt.putWidget('index', EchoDisplay())
a.listenTCP(8080, server.Site(gdgt))
a.run()
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