Synnefo » snf-ganeti

def _UpdateAndVerifySubDict(base, updates, type_check):

  """Updates and verifies a dict with sub dicts of the same type.

  @param base: The dict with the old data

  @param updates: The dict with the new data

  @param type_check: Dict suitable to ForceDictType to verify correct types

  @returns: A new dict with updated and verified values

  """

  def fn(old, value):

    new = _GetUpdatedParams(old, value)

    utils.ForceDictType(new, type_check)

    return new

  ret = copy.deepcopy(base)

  ret.update(dict((key, fn(base.get(key, {}), value))

                  for key, value in updates.items()))

  return ret