FeedbackWeight.py

# coding=utf-8
"""
根据反馈参数（点赞量、分享量、评论量占观看量占比）计算全局权重
"""


# 提供计算权重外壳
class FeedbackWeight:
    def __init__(self, video):
        self.video = video

    def take_watch(self):
        return self.video.watch

    def take_like(self):
        return self.video.like

    def take_comment(self):
        return self.video.comment

    def take_share(self):
        return self.video.share

    # 计算总的反馈权重
    def take_result_percent(self):
        weight = (1, 2, 3)  # 权重得分：假设观看得0.3分，点赞得1分，评论得2分，分享得3分
        base_cut = 0.05  # 将观看数规模缩减后进行比较
        return (self.take_like() * weight[0] + self.take_comment() * weight[1] + self.take_share() * weight[
            2]) / (self.take_watch() * base_cut)

    # 通过给SortKey传递 take_*函数来进行排序，默认传take_result_percent
    @staticmethod
    def SortByFeedBack(SortKey):
        from GlobalVariable import global_obj
        video_list = global_obj.GlobalVideoList
        video_list.sort(key=SortKey, reverse=True)