new file mode 100644
--- /dev/null
+++ b/examples/tutorial/geddit/lib/template.py
@@ -0,0 +1,47 @@
+import os
+
+import cherrypy
+from genshi.core import Stream
+from genshi.output import encode, get_serializer
+from genshi.template import Context, TemplateLoader
+
+from geddit.lib import ajax
+
+loader = TemplateLoader(
+    os.path.join(os.path.dirname(__file__), '..', 'templates'),
+    auto_reload=True
+)
+
+def output(filename, method='html', encoding='utf-8', **options):
+    """Decorator for exposed methods to specify what template the should use
+    for rendering, and which serialization method and options should be
+    applied.
+    """
+    def decorate(func):
+        def wrapper(*args, **kwargs):
+            cherrypy.thread_data.template = loader.load(filename)
+            opt = options.copy()
+            if not ajax.is_xhr() and method == 'html':
+                opt.setdefault('doctype', 'html')
+            serializer = get_serializer(method, **opt)
+            stream = func(*args, **kwargs)
+            if not isinstance(stream, Stream):
+                return stream
+            return encode(serializer(stream), method=serializer,
+                          encoding=encoding)
+        return wrapper
+    return decorate
+
+def render(*args, **kwargs):
+    """Function to render the given data to the template specified via the
+    ``@output`` decorator.
+    """
+    if args:
+        assert len(args) == 1, \
+            'Expected exactly one argument, but got %r' % (args,)
+        template = loader.load(args[0])
+    else:
+        template = cherrypy.thread_data.template
+    ctxt = Context(url=cherrypy.url)
+    ctxt.push(kwargs)
+    return template.generate(ctxt)