点上方蓝色“菜鸟学Python”，选“星标”
第428篇原创
最近，电视剧《装台》在CCTV-1黄金档播出后，电视剧中，地道的当地美食受到网友热评，而且剧中接地气的剧情、演员们的真情实感的演绎也获得了业界的好评！
人民日报更是用了很大篇幅的文章，高度的赞扬了《装台》这部影视作品，表扬其“歪滴很”！不仅如此，在豆瓣的影视评分中，《装台》也以8.4分的高分获得了票房和口碑的双丰收。
8.4分其实比较高了，要知道前段时间的李易峰和金晨演的《隐秘而伟大》才8.2分，可见装台的火热程度。剧中的张嘉益和闫妮老师的表演也是非常精彩，实力派的演员就是不一样，小编也追剧了很久，今天用Python来分析一下。
整个的数据分析分为两部分，第一部分是豆瓣的短评，第二部是芒果TV几万条弹幕的分析，我们一起来看一下。
用的工具和库：
Pandas
Pyecharts
Altair
Stylecloud
爬取豆瓣点评
我们首先来看一下豆瓣上关于《装台》的评价。这里，我们获取到了500条对于《装台》的豆瓣短评数据，并获取了500条短评的推荐指数。
豆瓣的爬取网上的方法很多，因为有反爬的限制，一般都是用selenium进行登入，然后对爬取的内容进行解析。
1).模拟登入
这里我们主要是用selenium来模拟浏览器进行登入，需要输入你的账户和密码，然后找到对应的一些控件进入输入，然后提交。
2).爬取短评
经过前面的第一步的准备，我们就可以开始爬取数据了：
-
主要是构造电视剧的url，然后进行翻；
-
对每一页的数据，我们需要提取4个唯独的数据，用户名，评分，评论时间，评论内容等等；
-
保存数据，这里我们直接保存为df格式；
最后我们保存的数据长的这样：
3).数据可视化
我们需要对数据进行一些清洗，然后规整之后开始进行可视化的分析。比如根据大家的推荐指数，来进行不同推荐指数的数量统计，并运行下列程序，进行推荐指数的分布可视化：
从大家的推荐指数来看，超过半数的豆瓣评论者给出了“力荐”的评价，而给出“较差”和“很差”的评论者占总人数的不到10%。说明这部剧得到了绝大多数观看者的认可。
4).利用神器Altair动态分析
上面是用pyecharts做可视化分析，这里我换一个神器(再见Matplotlib！我用这款Python神器了！)，用Altair来分析评论者给出的推荐指数随着时间的分布变化，运行下图所示的程序：
从上图可以看出，随着时间的推移，“力荐”指数依旧牢牢的把握住了大多数的推荐指标。而在总体的推荐数量上，推荐数量随着时间呈现一种波动形式。
05).词云的分析
那么豆瓣上的影评者对于《装台》的词云评价是如何的呢？我们通过jieba库进行分词，然后利用stylecloud库来制作词云的可视化展示。程序和词云的可视化展示如下图所示：
可以看到，大家的影评中提到最多的关键词包括了“生活”、“接地气”等，而大家对于这部影视作品的态度则是“喜欢”、“好看”。
芒果TV上8万弹幕抓取
看完500个短评是不是不过瘾，这次我们来弄更大一点的数据来分析和挖掘我们从芒果TV中，抓取前20集的弹幕内容，并进行数据的处理和分析。
1).如何抓取弹幕
首先，我们来看一下应该如何来抓取弹幕内容。在网页中打开芒果TV，并播放《装台》，如下图所示：
-
https://bullet-ws.hitv.com/bullet/2020/12/19/003728/10438285/1.json
-
https://bullet-ws.hitv.com/bullet/2020/12/19/000001/10439875/1.json
-
而json数据的“1”、“2”、“3”代表每一集的长度，也就是有多少分钟。
上图中可以看出，弹幕数量随着剧集的发展呈现下降的趋势，第一集的弹幕数量最高，为8185条。最少的为第19集，为1980条。
3).看看大家都说啥
接下来我们来看看大家的弹幕信息词云，看看网友的弹幕中包含了哪些关键词信息。
1.扫描下面的(非本）
2.输入：装台
输入：装台
获取源码
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data-darkmode-color-15882384789136="rgb(230, 230, 230)" data-darkmode-original-color-15882384789136="rgb(0, 0, 0)" data-darkmode-bgimage-15882384789136="1" data-darkmode-bgcolor-15882396318564="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15882396318564="rgb(255, 255, 255)" data-darkmode-color-15882396318564="rgb(230, 230, 230)" data-darkmode-original-color-15882396318564="rgb(0, 0, 0)" data-darkmode-bgimage-15882396318564="1" data-darkmode-bgcolor-15900529136199="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15900529136199="rgb(255, 255, 255)" data-darkmode-color-15900529136199="rgb(230, 230, 230)" data-darkmode-original-color-15900529136199="rgb(0, 0, 0)" data-darkmode-bgimage-15900529136199="1" style="margin-left: 2px;width: 20px;"></section><section data-brushtype="text" data-darkmode-bgcolor-15860613985508="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15860613985508="rgb(255, 255, 255)" data-darkmode-color-15860613985508="rgb(51, 51, 51)" data-darkmode-original-color-15860613985508="rgb(51, 51, 51)" data-darkmode-bgimage-15860613985508="1" data-darkmode-bgcolor-15870356070738="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15870356070738="rgb(255, 255, 255)" data-darkmode-color-15870356070738="rgb(51, 51, 51)" data-darkmode-original-color-15870356070738="rgb(51, 51, 51)" data-darkmode-bgimage-15870356070738="1" data-darkmode-bgcolor-15870356071023="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15870356071023="rgb(255, 255, 255)" data-darkmode-color-15870356071023="rgb(51, 51, 51)" data-darkmode-original-color-15870356071023="rgb(51, 51, 51)" data-darkmode-bgimage-15870356071023="1" data-darkmode-bgcolor-15882384789136="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15882384789136="rgb(255, 255, 255)" data-darkmode-color-15882384789136="rgb(51, 51, 51)" data-darkmode-original-color-15882384789136="rgb(51, 51, 51)" data-darkmode-bgimage-15882384789136="1" data-darkmode-bgcolor-15882396318564="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15882396318564="rgb(255, 255, 255)" data-darkmode-color-15882396318564="rgb(51, 51, 51)" data-darkmode-original-color-15882396318564="rgb(51, 51, 51)" data-darkmode-bgimage-15882396318564="1" data-darkmode-bgcolor-15900529136199="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15900529136199="rgb(255, 255, 255)" data-darkmode-color-15900529136199="rgb(51, 51, 51)" data-darkmode-original-color-15900529136199="rgb(51, 51, 51)" data-darkmode-bgimage-15900529136199="1" style="font-size: 14px;color: rgb(51, 51, 51);text-align: left;"><span style="font-family: 楷体, 楷体_GB2312, SimKai;">点这里，获取一大波福利</span></section></section></section></section></section></section></section>本篇文章来源于: 菜鸟学Python
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