Ejemplo n.º 1
0
def user_tagging_by_url(article_url, user_id, admin_id, reaction_type_weight, a_u_tagmap=None):
    """
    根据单篇文章id来给用户打tags
    :param article_url:
    :param reaction_type_weight:
    :param a_u_tagmap:
    :return:
    """
    process_count = 0
    # reaction_id = reaction.reaction_id
    # a_id = article_id
    reaction_type = 'read'
    try:
        inst_user = DAO_utils.mongo_get_user(user_id, admin_id)
    except DAO_utils.DAOException, de:
        print de
        # 数据库中不存在该用户,则新建一个
        inst_user = WechatUser(user_id=user_id, admin_id=admin_id)
        DAO_utils.mongo_insert_user(inst_user)
Ejemplo n.º 2
0
def user_tagging_by_reactionlist(reaction_list, reaction_type_weight, a_u_tagmap):
    """
    根据交互记录列表来给用户打tags
    :param reaction_list:
    :param reaction_type_weight:
    :param a_u_tagmap:
    :return:
    """
    process_count = 0
    for reaction in reaction_list:
        # reaction_id = reaction.reaction_id
        user_id = reaction.reaction_user_id
        a_id = reaction.reaction_a_id
        reaction_type = reaction.reaction_type
        try:
            inst_user = DAO_utils.mongo_get_user(user_id)
        except DAO_utils.DAOException, de:
            print de
            # 数据库中不存在该用户,则新建一个
            inst_user = WechatUser(user_id=user_id)
            DAO_utils.mongo_insert_user(inst_user)

        user_atag_vec = inst_user.user_atag_vec
        user_tag_score_vec = inst_user.user_tag_score_vec

        weight = reaction_type_weight[reaction_type]
        try:
            article = DAO_utils.mongo_get_article(a_id)
            for a_tag_key in article.a_tags:  # 文章的tags应该是一个dict
                if a_tag_key in user_atag_vec:
                    user_atag_vec[a_tag_key] += weight * article.a_tags[a_tag_key]
                else:
                    user_atag_vec[a_tag_key] = weight * article.a_tags[a_tag_key]
        except DAO_utils.DAOException, de:
            print de
            continue  # 没有该文章在数据库中,则跳过
Ejemplo n.º 3
0
            print de
            continue  # 没有该文章在数据库中,则跳过

        # 用户的atag_vec处理完毕,开始处理user_tag_score_vec
        # TODO 更好的权值赋值公式
        for a_tag_key in user_atag_vec.keys():
            for u_tag_key in a_u_tagmap[a_tag_key]:
                if u_tag_key in user_tag_score_vec:  # TODO 是否需要每次都加?
                    user_tag_score_vec[u_tag_key] = a_u_tagmap[a_tag_key][u_tag_key] * user_atag_vec[
                        a_tag_key]
                else:
                    user_tag_score_vec[u_tag_key] = a_u_tagmap[a_tag_key][u_tag_key] * user_atag_vec[
                        a_tag_key]
        # 保存用户信息
        try:
            DAO_utils.mongo_insert_user(inst_user, is_overwrite=True)
            reaction.is_checked = True
            DAO_utils.mongo_insert_reactions(reaction, is_overwrite=True)  # 标注该条交互记录
        except DAO_utils.DAOException, de:
            print de
            continue  # 更新信息失败则跳过,这样该条reaction将不会被标注为checked
            # TODO(隐患:是否会出现长期遗留的问题reaction?)

        process_count += 1
    return process_count


def user_tagging_by_article(article_id, user_id, admin_id, reaction_type_weight, a_u_tagmap=None):
    """
    根据单篇文章id来给用户打tags
    :param article_id: