抖音系列短视频批量下载器 |
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抖音系列短视频批量下载器
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📢欢迎点赞 👍 收藏 ⭐留言 📝 欢迎讨论！ 📢本文由 小小明-代码实体 原创 📢未来很长，值得我们全力奔赴更美好的生活✨ 程序使用演示开发了一个抖音视频下载器，打开效果如下： 如果本地的谷歌游览器之前从来没有访问过抖音主页，点击开始下载按钮会有如下输出： 此时我们只需要点击 访问抖音主页，程序则会使用本地的谷歌游览器访问抖音主页。再次点击下载按钮： 可以看到该视频是一个合集视频： 那么程序只需要勾选第一个选项即可下载整个合集： 这样一次性就将整个合集都下载下来了： 首先根据上一篇文章：提取谷歌游览器Cookie的五重境界 读取谷歌游览器安装的位置和本地抖音相关的cookie： """ 小小明的代码 CSDN主页：https://blog.csdn.net/as604049322 """ __author__ = '小小明' __time__ = '2022/1/23' import base64 import json import os import sqlite3 import winreg import win32crypt from cryptography.hazmat.primitives.ciphers.aead import AESGCM def load_local_key(localStateFilePath): "读取chrome保存在json文件中的key再进行base64解码和DPAPI解密得到真实的AESGCM key" with open(localStateFilePath, encoding='u8') as f: encrypted_key = json.load(f)['os_crypt']['encrypted_key'] encrypted_key_with_header = base64.b64decode(encrypted_key) encrypted_key = encrypted_key_with_header[5:] key = win32crypt.CryptUnprotectData(encrypted_key, None, None, None, 0)[1] return key def decrypt_value(key, data): "AESGCM解密" nonce, cipherbytes = data[3:15], data[15:] aesgcm = AESGCM(key) plaintext = aesgcm.decrypt(nonce, cipherbytes, None).decode('u8') return plaintext def fetch_host_cookie(host): "获取指定域名下的所有cookie" userDataDir = os.environ['LOCALAPPDATA'] + r'\Google\Chrome\User Data' localStateFilePath = userDataDir + r'\Local State' cookiepath = userDataDir + r'\Default\Cookies' # 97版本已经将Cookies移动到Network目录下 if not os.path.exists(cookiepath) or os.stat(cookiepath).st_size == 0: cookiepath = userDataDir + r'\Default\Network\Cookies' # print(cookiepath) sql = f"select name,encrypted_value from cookies where host_key like '%.{host}'" cookies = {} key = load_local_key(localStateFilePath) with sqlite3.connect(cookiepath) as conn: cu = conn.cursor() for name, encrypted_value in cu.execute(sql).fetchall(): cookies[name] = decrypt_value(key, encrypted_value) return cookies def get_chrome_path(): try: key = winreg.OpenKey(winreg.HKEY_CLASSES_ROOT, r"ChromeHTML\Application") path = winreg.QueryValueEx(key, "ApplicationIcon")[0] chrome_path = path[:path.rfind(",")] return chrome_path except FileNotFoundError as e: return if __name__ == '__main__': print(fetch_host_cookie("douyin.com")) print(get_chrome_path())有了这个工具类，我们就不再需要使用selenium。 然后是视频解析的核心代码如下： def get_video_url(url, cookies): headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36", "referer": "https://www.douyin.com" } res = requests.get(url, headers=headers, cookies=cookies) if res.status_code == 200: RENDER_DATA, = re.findall( r'([^]+)', res.text) data = json.loads(unquote(RENDER_DATA)) key = '8' if url.find("collection") != -1 else '34' try: detail = data[key]['aweme']['detail'] title = detail['desc'] except Exception as e: print(f"{url}无效，报错的key:", e) return if not title: title, = re.findall("]+>\s*([^>]+)\s*", res.text) video_url = urljoin(url, detail['video']['playApi']) collection_urls = set(re.findall("//www.douyin.com/collection/\d+/\d+", res.text)) collection_urls = [urljoin("https://www.douyin.com", url) for url in collection_urls] collection_urls.sort(key=lambda s: int(s[s.rfind("/") + 1:])) collection_title = re.findall("]+>([^]+)", res.text)[0] return video_url, title, collection_urls, collection_title else: print('视频链接请求失败！！！')视频下载的核心代码： def download_video(video_url, title, folder): start_time = time.time() res = requests.get(url=video_url, stream=True) done_size, total = 0, int(res.headers['content-length']) chunk_size = 1024 * 1024 title = format_filename(title) file_size = round(int(res.headers['content-length']) / 1024 / 1024, 2) basename = f"{title}.mp4" filename = f"{folder}/{title}.mp4" if os.path.exists(filename): print(basename, "已存在，跳过...") return print("-----------------------------------") print(f'开始下载文件：{basename}\n当前文件大小：{file_size}MB') with open(filename, 'wb') as f: for chunk in res.iter_content(chunk_size): f.write(chunk) done_size += len(chunk) cost_time = time.time() - start_time yield done_size, cost_time, total # print(f"进度：{done_size / total:.2%},{done_size / cost_time / 1024 / 1024:.2f}MB/s") cost_time = time.time() - start_time print(f'文件：{basename} 下载完成！\n耗时：{cost_time:0.2f} 秒')关于视频链接的分析，大家可以参考才哥的文章： 《用Python搞定抖X无水印短视频下载》 链接：mp.weixin.qq.com/s/NNVT6IH6d… UI界面设计核心代码如下： layout = [ [sg.Text('抖音视频地址：', font=("楷体", 12)), sg.In(key='url', size=(70, 1), text_color="#bb8b59", default_text="https://www.douyin.com/video/6803929443069988103")], [sg.Checkbox('如果是一个合集则下载整个合集', key="download_collection", default=False), sg.Button('开始下载'), sg.Button('清空输出'), sg.Button('访问抖音主页'), sg.Button('访问当前地址'), ], [sg.Output(size=(85, 10), key="out", text_color="#15d36a")], [ sg.ProgressBar(1000, size=(20, 20), key='video_bar', bar_color=("#bb8b59", "#295273")), sg.Text('000.0MB,00/00\n00:00 |
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