def SplitQName(qname):
        
        l = qname.split(':')
        if len(l) == 1:
            l.insert(0, None)
        elif len(l) == 2:
            if l[0] == 'xmlns':
                l.reverse()
        else:
            return
        return tuple(l)
Walk from the root up to a directory and verify that the current
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/Utility.py/SplitQName--crossover with--dataset/ETHPy150Open saltstack/salt/salt/utils/verify.py/check_path_traversal