Synnefo » snf-ganeti

#pylint: disable=W0142 (use of *-magic in argument list)

def GetRepeatedKeys(*dicts):

  """Return the set of keys defined multiple times in the given dicts.

  >>> GetRepeatedKeys({"foo": 1, "bar": 2},

  ...                 {"foo": 5, "baz": 7}

  ...                )

  set("foo")

  @type dicts: dict

  @param dicts: The dictionaries to check for duplicate keys.

  @rtype: set

  @return: Keys used more than once across all dicts

  """

  if len(dicts) < 2:

    return set()

  keys = []

  for dictionary in dicts:

    keys.extend(dictionary)

  return set(FindDuplicates(keys))