1 files changed, 27 insertions, 0 deletions
diff --git a/doc/web/howto/listings/subviews-1.py b/doc/web/howto/listings/subviews-1.py
new file mode 100644
index 0000000..55538ec
--- /dev/null
+++ b/doc/web/howto/listings/subviews-1.py
@@ -0,0 +1,27 @@
+from twisted.web.template import (
+    XMLFile, TagLoader, Element, renderer, flattenString)
+from twisted.python.filepath import FilePath
+
+class WidgetsElement(Element):
+    loader = XMLFile(FilePath('subviews-1.xml'))
+
+    widgetData = ['gadget', 'contraption', 'gizmo', 'doohickey']
+
+    @renderer
+    def widgets(self, request, tag):
+        for widget in self.widgetData:
+            yield WidgetElement(TagLoader(tag), widget)
+
+class WidgetElement(Element):
+    def __init__(self, loader, name):
+        Element.__init__(self, loader)
+        self._name = name
+
+    @renderer
+    def name(self, request, tag):
+        return tag(self._name)
+
+def printResult(result):
+    print result
+
+flattenString(None, WidgetsElement()).addCallback(printResult)