need yt-dlp & ffmpeg

bilidl.py

import subprocess
import re
from urllib.parse import urlparse
from typing import Optional

def extract_uid(url: str) -> Optional[str]:
    if url.isdigit():
        return url
    parsed = urlparse(url)
    match = re.search(r'/(\d+)', parsed.path)
    return match.group(1) if match else None

def get_video_urls_and_titles(uid: str):
    print("正在获取视频列表...")
    cmd = [
        "yt-dlp",
        f"https://space.bilibili.com/{uid}/video",
        "--flat-playlist",
        "--print", "%(title)s||%(id)s"
    ]
    result = subprocess.run(cmd, capture_output=True, text=True)
    lines = result.stdout.strip().splitlines()
    videos = [line.split("||") for line in lines if "||" in line]
    return videos

def download_videos(videos, start: int, end: int):
    selected = videos[start - 1:end]
    if not selected:
        print("选定范围内无视频。")
        return

    for idx, (title, bv) in enumerate(selected, start=start):
        print(f"\n第 {idx} 个视频：{title}")
        print(f"正在下载：https://www.bilibili.com/video/{bv}")
        subprocess.run([
            "yt-dlp",
            f"https://www.bilibili.com/video/{bv}",
            "-o", "%(title)s.%(ext)s"
        ])

    print("\n下载完成。")

if __name__ == "__main__":
    user_input = input("请输入 B站用户主页链接或 UID：").strip()
    uid = extract_uid(user_input)
    if not uid:
        print("无效的链接或 UID。")
        exit(1)

    # 获取视频列表
    video_list = get_video_urls_and_titles(uid)
    total = len(video_list)
    print(f"共获取到 {total} 个视频")

    # 输入开始和结束视频编号
    try:
        start = int(input("请输入开始视频编号（从1开始）：").strip() or "1")
        end_input = input(f"请输入结束视频编号（共 {total} 个视频），直接回车下载到最后一个视频：").strip()
        
        # 如果没有输入结束编号，默认下载到最后一个视频
        if not end_input:
            end = total
        else:
            end = int(end_input)
        
    except ValueError:
        print("请输入有效数字")
        exit(1)

    # 验证输入的视频范围是否合法
    if start < 1 or end > total or start > end:
        print("输入的视频范围不合法")
        exit(1)

    download_videos(video_list, start, end)

ytdl.py

import os
import subprocess
import sys

def main():
    print("=== YouTube 批量下载器 ===")

    url = input("请输入频道链接或视频合集链接: ").strip()
    start_num = int(input("请输入开始下载的视频编号（从 1 开始）: ").strip())
    end_num = int(input("请输入结束下载的视频编号: ").strip())

    # 检查 yt-dlp 是否安装
    if not shutil.which("yt-dlp"):
        print("错误：未安装 yt-dlp，请先使用 pip 安装：pip install -U yt-dlp")
        sys.exit(1)

    # 设置下载路径为当前脚本所在目录
    output_path = os.path.join(os.getcwd(), "%(title)s.%(ext)s")

    # 基础命令
    command = [
        "yt-dlp",
        '--no-check-certificate',
        "--playlist-start", str(start_num),
        "--playlist-end", str(end_num),
        "-o", output_path
    ]

    # 检查 cookie.txt 是否存在
    cookie_path = os.path.join(os.getcwd(), "cookie.txt")
    if os.path.isfile(cookie_path):
        print("检测到 cookie.txt，启用 Cookie 登录")
        command += ["--cookies", cookie_path]
    else:
        print("未检测到 cookie.txt，将不使用登录")

    # 添加链接
    command.append(url)

    print("\n开始下载...")
    try:
        subprocess.run(command, check=True)
    except subprocess.CalledProcessError as e:
        print("下载出错：", e)

if __name__ == "__main__":
    import shutil
    main()