Breadcrumb Style Navigation

Using CherryPy Introspection

controller.py:

def createNavBarLinks():
    """Return link information for constructing bread crumb navigation.
    """
    cherry_trail = cherrypy._cputil.get_object_trail()
    href = '/'
    crumbs = [(href, 'home')]
    for item in cherry_trail:
        # item[0] is the name you use in the URL to access the controller.
        # item[1] is the actual controller
        if isinstance(item[1], (Controller, BaseDataController)):
            if item[0] != 'root':
                href = "%s%s/" % (href, item[0])
                crumbs.append([href, item[0]])
    return crumbs

Then, import the function and create your navigation bar in your template:

<div id="navbar">
  <span py:for="href in createNavBarLinks()">
    <a class="menu" href="${href[0]}">${href[1]}</a>
  </span>
</div>

A derivative of this solution can be found at http://code.google.com/p/tg-breadcrumbs/