Synnefo » snf-ganeti

def FindMatch(data, name):

  """Tries to find an item in a dictionary matching a name.

  Callers have to ensure the data names aren't contradictory (e.g. a regexp

  that matches a string). If the name isn't a direct key, all regular

  expression objects in the dictionary are matched against it.

  @type data: dict

  @param data: Dictionary containing data

  @type name: string

  @param name: Name to look for

  @rtype: tuple; (value in dictionary, matched groups as list)

  """

  if name in data:

    return (data[name], [])

  for key, value in data.items():

    # Regex objects

    if hasattr(key, "match"):

      m = key.match(name)

      if m:

        return (value, list(m.groups()))

  return None