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+====== Controller index Code that Needs a CAS Ticket to Work ======
+<code python>
+def index():
+    """
+    example action using the internationalization operator T and flash
+    rendered by views/default/index.html or views/generic.html
+    """
+    import urllib
+    import xml.dom.minidom as dom
+    import xml.parsers.expat as expat
+    check_url = 'https://www.purdue.edu/apps/account/cas/serviceValidate'
+    my_url = 'https://pc.cs.purdue.edu:8443/testcas/default/login'
+    if request.vars.ticket:
+        url = "%s?service=%s&ticket=%s" % (check_url, my_url, ticket)
+    else:
+        url = 'bogus'
+    data = urllib.urlopen(url).read()
+    attrs = dict()
+    try:
+        dxml = dom.parseString(data)
+        envelop = dxml.getElementsByTagName("cas:attributes")
+        if len(envelop) > 0:
+            for x in envelop[0].childNodes:
+                if x.nodeName.startswith('cas:') and len(x.childNodes):
+                    key = x.nodeName[4:].encode('utf8')
+                    value = x.childNodes[0].nodeValue.encode('utf8')
+                    attrs[key] = value
+        else:
+            attrs['attr'] = 'no attributes'
+    except expat.ExpatError:
+        attrs['attrs'] = 'expat error'
+    return dict(message=T('Hello World'), token=session.token, attrs=attrs, data=data)
+</code>