#!/usr/bin/env python # #-*-coding:utf-8-*- import requests import random import time def get_json(url): headers = { ‘User-Agent‘: ‘Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36‘ } params = { ‘page_size‘: 10, ‘next_offset‘: str(num), ‘tag‘: ‘今日热门‘, ‘platform‘: ‘pc‘ } try: html = requests.get(url, params=params, headers=headers) return html.json()
except BaseException: print(‘request error‘) pass def download(url, path): start = time.time() # 开始时间 size = 0 headers = { ‘User-Agent‘: ‘Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36‘ }
response = requests.get(url, headers=headers, stream=True) # stream属性必须带上 chunk_size = 1024 # 每次下载的数据大小 content_size = int(response.headers[‘content-length‘]) # 总大小 if response.status_code == 200: print(‘[文件大小]:%0.2f MB‘ % (content_size / chunk_size / 1024)) # 换算单位 with open(path, ‘wb‘) as file: for data in response.iter_content(chunk_size=chunk_size): file.write(data) size += len(data) # 已下载的文件大小
if __name__ == ‘__main__‘: for i in range(1): url = ‘http://api.vc.bilibili测试数据/board/v1/ranking/top?‘ num = i * 10 + 1 html = get_json(url) print(url) infos = html[‘data‘][‘items‘] for info in infos: title = info[‘item‘][‘description‘] # 小视频的标题 video_url = info[‘item‘][‘video_playurl‘] # 小视频的下载链接 print(title)
# 为了防止有些视频没有提供下载链接的情况 try: download(video_url, path=‘%s.mp4‘ % title) print(‘成功下载一个!‘)
except BaseException: print(‘凉凉,下载失败‘) pass
time.sleep(int(format(random.randint(2, 8)))) # 设置随机等待时间
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