Synnefo » snf-ganeti

def JoinDisjointDicts(dict_a, dict_b):

  """Joins dictionaries with no conflicting keys.

  Enforces the constraint that the two key sets must be disjoint, and then

  merges the two dictionaries in a new dictionary that is returned to the

  caller.

  @type dict_a: dict

  @param dict_a: the first dictionary

  @type dict_b: dict

  @param dict_b: the second dictionary

  @rtype: dict

  @return: a new dictionary containing all the key/value pairs contained in the

  two dictionaries.

  """

  assert not (set(dict_a) & set(dict_b)), ("Duplicate keys found while joining"

                                           " %s and %s" % (dict_a, dict_b))

  result = dict_a.copy()

  result.update(dict_b)

  return result