def resolve_id(resolver, identifier, name='object'):
    """Resolves a single id using a resolver function.

    :param resolver: function that resolves ids. Should return None or a list of ids.
    :param string identifier: a string identifier used to resolve ids
    :param string name: the object type, to be used in error messages

    """
    try:
        return int(identifier)
    except ValueError:
        pass  # It was worth a shot

    ids = resolver(identifier)

    if len(ids) == 0:
        raise exceptions.CLIAbort("Error: Unable to find %s '%s'" % (name, identifier))

    if len(ids) > 1:
        raise exceptions.CLIAbort(
            "Error: Multiple %s found for '%s': %s" %
            (name, identifier, ', '.join([str(_id) for _id in ids])))

    return ids[0]
def resolve_id ( resolver , identifier , name = 'object' ) : try : return int ( identifier ) except ValueError : pass ids = resolver ( identifier ) if len ( ids ) == 0 : raise exceptions . CLIAbort ( "Error: Unable to find %s '%s'" % ( name , identifier ) ) if len ( ids ) > 1 : raise exceptions . CLIAbort ( "Error: Multiple %s found for '%s': %s" % ( name , identifier , ', ' . join ( [ str ( _id ) for _id in ids ] ) ) ) return ids [ 0 ]
Resolves a single id using a resolver function.

    :param resolver: function that resolves ids. Should return None or a list of ids.
    :param string identifier: a string identifier used to resolve ids
    :param string name: the object type, to be used in error messages