helpers.py 文件源码

def get_forums(query_result, user):
    """Returns a tuple which contains the category and the forums as list.
    This is the counterpart for get_categories_and_forums and especially
    usefull when you just need the forums for one category.

    For example::
        (<Category 2>,
          [(<Forum 3>, None),
          (<Forum 4>, None)])

    :param query_result: A tuple (KeyedTuple) with all categories and forums

    :param user: The user object is needed because a signed out user does not
                 have the ForumsRead relation joined.
    """
    it = itertools.groupby(query_result, operator.itemgetter(0))

    if user.is_authenticated:
        for key, value in it:
            forums = key, [(item[1], item[2]) for item in value]
    else:
        for key, value in it:
            forums = key, [(item[1], None) for item in value]

    return forums