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  • Python爬虫教程-爬取5K分辨率超清唯美壁纸源码

    简介

    壁纸的选择其实很大程度上能看出电脑主人的内心世界,有的人喜欢风景,有的人喜欢星空,有的人喜欢美女,有的人喜欢动物。然而,终究有一天你已经产生审美疲劳了,但你下定决定要换壁纸的时候,又发现网上的壁纸要么分辨率低,要么带有水印。

    项目源码

      1 # -*- coding:utf-8 -*-
      2 
      3 from requests import get
      4 from filetype import guess
      5 from os import rename
      6 from os import makedirs
      7 from os.path import exists
      8 from json import loads
      9 from contextlib import closing
     10 
     11 
     12 # 文件下载器
     13 def Down_load(file_url, file_full_name, now_photo_count, all_photo_count):
     14     headers = {"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"}
     15 
     16     # 开始下载图片
     17     with closing(get(file_url, headers=headers, stream=True)) as response:
     18         chunk_size = 1024  # 单次请求最大值
     19         content_size = int(response.headers['content-length'])  # 文件总大小
     20         data_count = 0 # 当前已传输的大小
     21         with open(file_full_name, "wb") as file:
     22             for data in response.iter_content(chunk_size=chunk_size):
     23                 file.write(data)
     24                 done_block = int((data_count / content_size) * 50)
     25                 data_count = data_count + len(data)
     26                 now_jd = (data_count / content_size) * 100
     27                 print("
     %s:[%s%s] %d%% %d/%d" % (file_full_name, done_block * '', ' ' * (50 - 1 - done_block), now_jd, now_photo_count, all_photo_count), end=" ")
     28 
     29     # 下载完图片后获取图片扩展名,并为其增加扩展名
     30     file_type = guess(file_full_name)
     31     rename(file_full_name, file_full_name + '.' + file_type.extension)
     32 
     33 
     34 
     35 # 爬取不同类型图片
     36 def crawler_photo(type_id, photo_count):
     37 
     38     # 最新 1, 最热 2, 女生 3, 星空 4
     39     if(type_id == 1):
     40         url = 'https://service.paper.meiyuan.in/api/v2/columns/flow/5c68ffb9463b7fbfe72b0db0?page=1&per_page=' + str(photo_count)
     41     elif(type_id == 2):
     42         url = 'https://service.paper.meiyuan.in/api/v2/columns/flow/5c69251c9b1c011c41bb97be?page=1&per_page=' + str(photo_count)
     43     elif(type_id == 3):
     44         url = 'https://service.paper.meiyuan.in/api/v2/columns/flow/5c81087e6aee28c541eefc26?page=1&per_page=' + str(photo_count)
     45     elif(type_id == 4):
     46         url = 'https://service.paper.meiyuan.in/api/v2/columns/flow/5c81f64c96fad8fe211f5367?page=1&per_page=' + str(photo_count)
     47 
     48     # 获取图片列表数据
     49     headers = {"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"}
     50     respond = get(url, headers=headers)
     51     photo_data = loads(respond.content)
     52 
     53     # 已经下载的图片张数
     54     now_photo_count = 1
     55 
     56     # 所有图片张数
     57     all_photo_count = len(photo_data)
     58 
     59     # 开始下载并保存5K分辨率壁纸
     60     for photo in photo_data:
     61 
     62         # 创建一个文件夹存放我们下载的图片
     63         if not exists('./' + str(type_id)):
     64             makedirs('./' + str(type_id))
     65 
     66         # 准备下载的图片链接
     67         file_url = photo['urls']['raw']
     68 
     69         # 准备下载的图片名称,不包含扩展名
     70         file_name_only = file_url.split('/')
     71         file_name_only = file_name_only[len(file_name_only) -1]
     72 
     73         # 准备保存到本地的完整路径
     74         file_full_name = './' + str(type_id) + '/' + file_name_only
     75 
     76         # 开始下载图片
     77         Down_load(file_url, file_full_name, now_photo_count, all_photo_count)
     78         now_photo_count = now_photo_count + 1
     79 
     80 
     81 
     82 if __name__ == '__main__':
     83 
     84     # 最新 1, 最热 2, 女生 3, 星空 4
     85     # 爬取类型为3的图片(女生),一共准备爬取20000张
     86     wall_paper_id = 1
     87     wall_paper_count = 10
     88     while(True):
     89 
     90         # 换行符
     91         print('
    
    ')
     92 
     93         # 选择壁纸类型
     94         wall_paper_id = input("壁纸类型:最新壁纸 1, 最热壁纸 2, 女生壁纸 3, 星空壁纸 4
    请输入编号以便选择5K超清壁纸类型:")
     95         # 判断输入是否正确
     96         while(wall_paper_id  != str(1) and wall_paper_id  != str(2) and wall_paper_id  != str(3) and wall_paper_id  != str(4)):
     97             wall_paper_id = input("壁纸类型:最新壁纸 1, 最热壁纸 2, 女生壁纸 3, 星空壁纸 4
    请输入编号以便选择5K超清壁纸类型:")
     98 
     99 
    100         # 选择要下载的壁纸数量
    101         wall_paper_count = input("请输入要下载的5K超清壁纸的数量:")
    102         # 判断输入是否正确
    103         while(int(wall_paper_count) <= 0):
    104             wall_paper_count = input("请输入要下载的5K超清壁纸的数量:")
    105 
    106 
    107         # 开始爬取5K高清壁纸
    108         print("正在下载5K超清壁纸,请稍等……")
    109         crawler_photo(int(wall_paper_id), int(wall_paper_count))
    110         print('
    下载5K高清壁纸成功!')

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  • 原文地址:https://www.cnblogs.com/ITbiancheng/p/12273240.html
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