Store the fingerprint response.

def ProcessFingerprint(self, responses):
    """Store the fingerprint response."""
    if not responses.success:
      # Its better to raise rather than merely logging since it will make it to
      # the flow's protobuf and users can inspect the reason this flow failed.
      raise flow.FlowError("Could not fingerprint file: %s" % responses.status)

    response = responses.First()
    if response.pathspec.path:
      pathspec = response.pathspec
    else:
      pathspec = self.args.pathspec

    self.state.urn = pathspec.AFF4Path(self.client_urn)

    hash_obj = response.hash

    if data_store.AFF4Enabled():
      with aff4.FACTORY.Create(
          self.state.urn, aff4_grr.VFSFile, mode="w", token=self.token) as fd:
        fd.Set(fd.Schema.HASH, hash_obj)

    if data_store.RelationalDBEnabled():
      path_info = rdf_objects.PathInfo.FromPathSpec(pathspec)
      path_info.hash_entry = response.hash

      data_store.REL_DB.WritePathInfos(self.client_id, [path_info])

    self.ReceiveFileFingerprint(
        self.state.urn, hash_obj, request_data=responses.request_data)