def HasDescendant(self, s):
    return S(_selector.HasDescendant(self.selector, s.selector))
Validate a Google Storage file path.
dataset/ETHPy150Open spranesh/Redhawk/redhawk/common/selector.py/S.HasDescendant--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/cloudstorage/common.py/validate_file_path