电脑手机端Python语言快手视频爬虫程序代码-2025-8-4

import requests
import re
from urllib.parse import quote
import time


def search_videos(keyword):
    url = 'https://www.kuaishou.com/graphql'

    # 请务必更新这里的did值！！！
    cookies = {
        'did': 'web_841df24177463af919b38850464d1709;',
        'didv': str(int(time.time() * 1000)),
        'kpf': 'PC_WEB',
        'clientid': '3',
        'kpn': 'KUAISHOU_VISION'
    }

    headers = {
        'Accept': 'application/json, text/plain, */*',
        'Accept-Language': 'zh-CN,zh;q=0.9',
        'Cache-Control': 'no-cache',
        'Connection': 'keep-alive',
        'Content-Type': 'application/json',
        'Origin': 'https://www.kuaishou.com',
        'Pragma': 'no-cache',
        'Referer': f'https://www.kuaishou.com/search/video?searchKey={quote(keyword)}',
        'Sec-Fetch-Dest': 'empty',
        'Sec-Fetch-Mode': 'cors',
        'Sec-Fetch-Site': 'same-origin',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36',
        'sec-ch-ua': '"Not/A)Brand";v="8", "Chromium";v="126", "Google Chrome";v="126"',
        'sec-ch-ua-mobile': '?0',
        'sec-ch-ua-platform': '"Windows"',
    }

    json_data = {
        'operationName': 'visionSearchPhoto',
        'variables': {
            'keyword': keyword,
            'pcursor': '',
            'page': 'search',
        },
        'query': 'fragment photoContent on PhotoEntity {\n  __typename\n  id\n  duration\n  caption\n  originCaption\n  likeCount\n  viewCount\n  commentCount\n  realLikeCount\n  coverUrl\n  photoUrl\n  photoH265Url\n  manifest\n  manifestH265\n  videoResource\n  coverUrls {\n    url\n    __typename\n  }\n  timestamp\n  expTag\n  animatedCoverUrl\n  distance\n  videoRatio\n  liked\n  stereoType\n  profileUserTopPhoto\n  musicBlocked\n  riskTagContent\n  riskTagUrl\n}\n\nfragment recoPhotoFragment on recoPhotoEntity {\n  __typename\n  id\n  duration\n  caption\n  originCaption\n  likeCount\n  viewCount\n  commentCount\n  realLikeCount\n  coverUrl\n  photoUrl\n  photoH265Url\n  manifest\n  manifestH265\n  videoResource\n  coverUrls {\n    url\n    __typename\n  }\n  timestamp\n  expTag\n  animatedCoverUrl\n  distance\n  videoRatio\n  liked\n  stereoType\n  profileUserTopPhoto\n  musicBlocked\n  riskTagContent\n  riskTagUrl\n}\n\nfragment feedContent on Feed {\n  type\n  author {\n    id\n    name\n    headerUrl\n    following\n    headerUrls {\n      url\n      __typename\n  }\n    __typename\n  }\n  photo {\n    ...photoContent\n    ...recoPhotoFragment\n    __typename\n  }\n  canAddComment\n  llsid\n  status\n  currentPcursor\n  tags {\n    type\n    name\n    __typename\n  }\n  __typename\n}\n\nquery visionSearchPhoto($keyword: String, $pcursor: String, $searchSessionId: String, $page: String, $webPageArea: String) {\n  visionSearchPhoto(keyword: $keyword, pcursor: $pcursor, searchSessionId: $searchSessionId, page: $page, webPageArea: $webPageArea) {\n    result\n    llsid\n    webPageArea\n    feeds {\n      ...feedContent\n      __typename\n    }\n    searchSessionId\n    pcursor\n    aladdinBanner {\n      imgUrl\n      link\n      __typename\n    }\n    __typename\n  }\n}\n',
    }

    try:
        response = requests.post(
            url=url,
            cookies=cookies,
            headers=headers,
            json=json_data,
            timeout=10
        )

        response.raise_for_status()
        data = response.json()

        feeds = data.get('data', {}).get('visionSearchPhoto', {}).get('feeds', [])
        if not feeds:
            print("没有找到相关视频！可能是Cookie失效或请求被限制")
            return None

        return feeds

    except Exception as e:
        print(f"搜索失败: {str(e)}")
        return None


def download_videos(feeds, count):
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36',
    }

    downloaded = 0
    for index in feeds:
        if downloaded >= count:
            break

        title = index['photo']['caption']
        link = index['photo']['photoUrl']

        if not title or not link:
            continue

        print(f"正在下载: {title}")

        try:
            video_response = requests.get(
                url=link,
                headers=headers,
                stream=True,
                timeout=10
            )
            video_response.raise_for_status()

            # 清理文件名
            title = re.sub(r'[^\w\u4e00-\u9fff-]', '_', title)[:50]  # 保留中文字符


            with open(f"{title}.mp4", 'wb') as f:
                for chunk in video_response.iter_content(chunk_size=8192):
                    f.write(chunk)

            downloaded += 1
            print(f"成功下载: {title}.mp4 ({downloaded}/{count})")

        except Exception as e:
            print(f"下载失败: {title} - {str(e)}")
            continue


if __name__ == "__main__":
    print("快手视频下载器")

    # 第一步：输入视频名称并搜索
    keyword = input("请输入要搜索的视频名称: ").strip()
    if not keyword:
        print("视频名称不能为空！")
        exit()

    print("\n正在搜索视频，请稍候...")
    feeds = search_videos(keyword)

    if not feeds:
        input("\n[按回车键退出]")
        exit()

    video_count = len(feeds)
    print(f"\n共找到 {video_count} 个相关视频")

    # 第二步：输入下载数量
    try:
        count = int(input(f"请输入要下载的视频数量(1-{video_count}): ").strip())
        if count <= 0:
            print("数量必须大于0！")
            exit()
        if count > video_count:
            print(f"数量不能超过找到的视频数 {video_count}！")
            exit()
    except ValueError:
        print("请输入有效的数字！")
        exit()

    # 第三步：下载视频
    print("\n开始下载视频...")
    download_videos(feeds, count)

    input("\n下载任务完成！\n[按回车键退出]")