gistfile1.py

def doRender(handler, tname='base/index.html', values={}):
    temp = os.path.join(
        os.path.dirname(__file__),
        'templates/' + tname)
    if not os.path.isfile(temp):
        return False
    
    #Make a copy of the dictionary
    newval = dict(values)
    newval['path'] = handler.request.path
    handler.session = Session()
    if 'username' in handler.session:
        newval['username'] = handler.session['username']
        
    outstr = template.render(temp, newval)        
    handler.response.out.write(outstr)
    return True