def DeleteBlob(self, blob_key):
    try:
      os.remove(self._FileForBlob(blob_key))
    except OSError, e:
      if e.errno != errno.ENOENT:
        raise e
Given an object, return URL for ajax query to fetch child objects.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/blobstore/file_blob_storage.py/FileBlobStorage.DeleteBlob--crossover with--dataset/ETHPy150Open mozilla/moztrap/moztrap/view/lists/finder.py/Finder.child_query_url