from twisted.web.woven import page, view, widgets
from twisted.web.microdom import lmx
from twisted.internet import defer
class Thingie:
pass
class ThingWidget(widgets.Widget):
def setUp(self, request, node, data):
l = lmx(node)
l.text('foo')
def generate(self, request, node):
print 'GENERATE', [request, node]
data = self.getData(request)
if isinstance(data, defer.Deferred):
data.addCallback(self.setDataCallback, request, node)
data.addErrback(utils.renderFailure, request)
return data
return self._regenerate(request, node, data)
view.registerViewForModel(ThingWidget, Thingie)
class Broken(page.Page):
"""This fails with a Deferred model if you remove the middle model=. level.
fzZzy said it's DeferredWidget's fault."""
template = '''\
<?xml version="1.0" encoding="UTF-8"?>
<html>
<div model="base" view="Widget">
<div model=".">
<div model="dn" view="Text" />
</div>
</div>
</html>
'''
def wmfactory_base(self, request):
if True: d=defer.Deferred()
d.callback(Thingie())
return d
else:
return Thingie()
class FakeRequest:
uri='uri/'
isSecure=lambda _: False
def getHeader(self, name):
pass
def redirect(self, url):
pass
def write(self, data):
print 'WRITE', repr(data)
def finish(self):
pass
def setHeader(self, name, value):
pass
print 'RETURN %r' % Broken().render(FakeRequest())