python爬取抖音热搜视频

通过Fiddler分析抖音app网络请求 抓取热搜视频
Filler使用方法这里不再赘述，可查看我的“爬虫”专题相关文章。
抖音热搜视频抓取很简单，分三部分：

1. 热搜列表->提取热搜词语
2. 热搜子列表->提取视频url
3. 热搜视频url->视频下载

热搜列表get_hot_list()获取,通过永久url获取改列表，包含了热词等信息
热搜子列表get_word_detail()获取，通过热词及永久链接获取视频url
抓取结果：

抓取主要内容：
视频、关键词、描述、作者、创建时间

完整代码如下：

import os
import requests
import pprint
import jmespath
import time
from furl import furl

this_dir = os.path.dirname(os.path.abspath(__file__))

def get_hot_list():
    url = 'https://api3-normal-c-hl.amemv.com/aweme/v1/hot/search/list/?detail_list=1&mac_address=A0%3A86%3AC6%3AA8%3ADB%3A5D&source=0&current_word&words_in_panel=+&trend_entry_word&os_api=23&device_type=MI%204LTE&ssmix=a&manifest_version_code=110502&dpi=480&uuid=865931028491629&app_name=aweme&version_name=11.5.1&ts=1593505161&cpu_support64=false&app_type=normal&ac=wifi&host_abi=armeabi-v7a&update_version_code=11519900&channel=xiaomi&_rticket=1593505161669&device_platform=android&iid=1363049466040444&version_code=110501&mac_address=A0%3A86%3AC6%3AA8%3ADB%3A5D&cdid=5d857c06-4ded-46c0-9380-ccd777da3256&openudid=db5e62a9bcba313f&device_id=34634747427&resolution=1080*1920&os_version=6.0.1&language=zh&device_brand=Xiaomi&aid=1128'
    res = requests.get(url)
    item = res.json()
    # pprint.pprint(item)
    dlist = jmespath.search('data.word_list',item)
    return dlist

def get_word_detail(word):
    url = 'https://api3-normal-c-hl.amemv.com/aweme/v1/hot/search/video/list/?offset=0&count=50&source=trending_page&is_ad=0&item_id_list&is_trending=0&city_code&related_gids&os_api=23&device_type=MI%204LTE&ssmix=a&manifest_version_code=110502&dpi=480&uuid=865931028491629&app_name=aweme&version_name=11.5.1&ts=1593505798&cpu_support64=false&app_type=normal&ac=wifi&host_abi=armeabi-v7a&update_version_code=11519900&channel=xiaomi&_rticket=1593505800138&device_platform=android&iid=1363049466040444&version_code=110501&mac_address=A0%3A86%3AC6%3AA8%3ADB%3A5D&cdid=5d857c06-4ded-46c0-9380-ccd777da3256&openudid=db5e62a9bcba313f&device_id=34634747427&resolution=1080*1920&os_version=6.0.1&language=zh&device_brand=Xiaomi&aid=1128'
    url+='&hotword='+word
    data = requests.get(url)
    data = data.json()
    res = []
    for item in data['aweme_list']:
        tmp = {}
        tmp['video_url'] = jmespath.search('video.play_addr.url_list[0]',item)
        tmp['word'] = word
        tmp['desc'] = jmespath.search('desc', item)
        tmp['author'] = jmespath.search('author.nickname', item)
        ctime = jmespath.search('create_time', item)
        try:
            ctime = time.localtime(ctime)
            tmp['create_time'] = time.strftime("%Y-%m-%d %H:%M:%S", ctime)
        except Exception as e:
            pass

        res.append(tmp)
    # pprint.pprint(res)
    return res

def save_data(dlist,item):
    for tmp in dlist:
        name = str(int(time.time()*1000))
        print('save--',tmp['word'])
        tmp.update({'video_count':item.get('video_count',''),'hot_value':item.get('hot_value','')})
        try:
            save_text(tmp,name)
            save_video(tmp['video_url'], name)
        except Exception as e:
            print('save error:',e)
        

def save_text(item,name):
    with open(os.path.join(this_dir,'data',name+'.txt'),'w',encoding='utf-8') as f:
        for key,value in item.items():
            f.write(key+'	'+str(value)+'
')

def save_video(url,name):
    res = requests.get(url)
    content = res.content
    f = furl(url)
    mime_type = f.args['mime_type']
    if mime_type:
        suffix = mime_type.split('_')[-1]
        with open(os.path.join(this_dir,'data',name+'.'+suffix),'wb') as f:
            f.write(content)


if __name__ == '__main__':
    hot_list = get_hot_list()
    for item in hot_list[1:]:
        dlist = get_word_detail(item['word'])
        save_data(dlist,item)