20行Python代码爬取2W多条音频文件素材~

悠悠 2022-12-12 13:50 121阅读 0赞

## 前言 ##

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## 相关环境配置 ##

*  python 3.6
 *  pycharm
 *  requests
 *  parsel

相关模块可pip安装，如果觉得安装速度太慢点击下面链接查看相关教程

[PIP安装模块失败或者速度慢教程][PIP]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center]

## 请求网页 ##

import requests
    url = 'http://sc.chinaz.com/yinxiao/'
    headers = { 
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'
    }
    response = requests.get(url=url, headers=headers)
    print(response.text)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 1]  
但是返回数据有中文乱码，编码出现了问题，所以咱们只需要转码一下就可以了

response.encoding = response.apparent_encoding

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 2]

## 解析数据 ##

import parsel
    selector = parsel.Selector(response.text)
    urls = selector.css('#musiclist .n1::attr(thumb)').getall()
    titles = selector.css('#musiclist .z a::attr(alt)').getall()
    data = zip(urls, titles)
    for i in data:
        print(i)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 3]

## 保存数据 ##

response_2 = requests.get(url=download_url, headers=headers)
    filename = '路径' + title + '.mp3'
    with open(filename, mode='wb') as f:
        f.write(response_2.content)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 4]  
一页的音频文件就都保存到本地文件了

## 多页爬取音频文件代码 ##

import requests
    import parsel
    for page in range(1, 603):
        url = 'http://sc.chinaz.com/yinxiao/index_{}.html'.format(page)
        headers = { 
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'
        }
        response = requests.get(url=url, headers=headers)
        response.encoding = response.apparent_encoding
        selector = parsel.Selector(response.text)
        urls = selector.css('#musiclist .n1::attr(thumb)').getall()
        titles = selector.css('#musiclist .z a::attr(alt)').getall()
        data = zip(urls, titles)
        for i in data:
            print(i)
            download_url = i[0]
            title = i[1]
            response_2 = requests.get(url=download_url, headers=headers)
            filename = '路径' + title + '.mp3'
            with open(filename, mode='wb') as f:
                f.write(response_2.content)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 5]  
每页40个文件，一共是602页数据，一共大概是2W多个音频文件素材，这边咱们就不等了就下载了一千多个文件，主要下载多了也占硬盘内存~ 代码还是有很多可以优化的地方~

[python]: https://jq.qq.com/?_wv=1027&k=kQrKxXXR
[PIP]: https://blog.csdn.net/fei347795790/article/details/108600899
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