python随机爬取wallhaven壁纸url（获取随机图片url）

阳光穿透心脏的1/2处 2022-09-08 10:29 225阅读 0赞

![wallhaven-j8ok5w.png_pic_center][]

# §01 代码清单 #

--------------------

class get_random_wallhaven(object):
        
        def __init__(self, url = 'https://wallhaven.cc/random'):
            self.init_url = url
        
        def getHTMLText(self, url):
            import urllib3
            headers = { 'User -Agent' : 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3314.0 Safari/537.36 SE 2.X MetaSr 1.0'}
            #proxy ={'http': '58.249.55.222:9797'} #proxies=proxy 代理
            try:
                urllib3.disable_warnings()
                r = requests.get(url, headers=headers, verify=False)
                r.raise_for_status()   
                r.encoding = r.apparent_encoding
                return r.text
            except:
                return "产生异常"
            
        def getImgPageUrl(self, text):
            url = ''
            soup = BeautifulSoup(text)
            img_a = soup.select('a[class="preview"]')
            for a in list(img_a)[:1]:
                try:
                    url = a.attrs['href']
                except:
                    pass
            return url
        
        def getImgUrl(self, text):
            url = ''
            soup = BeautifulSoup(text)
            img = soup.select('img[id="wallpaper"]')
            for i in list(img)[:1]:
                try:
                    url = i.attrs['src']
                except:
                    pass
            return url
            
        
        def ImgUrl(self):
            text = self.getHTMLText(self.init_url)
            url = self.getImgPageUrl(text)
            text = self.getHTMLText(url)
            url = self.getImgUrl(text)
            return url

# §02 调用方法 #

--------------------

## 一、默认方式 ##

wh = get_random_wallhaven()
    txtstr = wh.ImgUrl()

## 二、修改搜索条件 ##

### 1、打开网页 ###

**https://wallhaven.cc/random**

![94a3173c938e434985ca1198f6373e83.png_pic_center][]`▲ 图1 修改搜索条件说明`

### 2、获取新的url ###

![5d76a5716b934fa3a4e0be2818a3c57a.png_pic_center][]`▲ 图2 新的url`

### 3、使用新的url ###

url = 'https://wallhaven.cc/search?categories=110&purity=100&ratios=16x9%2C21x9&sorting=random&order=desc'
    wh = get_random_wallhaven(url)
    txtstr = wh.ImgUrl()

[wallhaven-j8ok5w.png_pic_center]: https://w.wallhaven.cc/full/j8/wallhaven-j8ok5w.png#pic_center
[94a3173c938e434985ca1198f6373e83.png_pic_center]: /images/20220829/9c0d3b1395a24e21b4abd72380856495.png
[5d76a5716b934fa3a4e0be2818a3c57a.png_pic_center]: /images/20220829/6dfff557657845bab6adc6d68e055f4b.png