Initial commit: skills library

- 70 skills with code and documentation - Add .gitignore (ignore __pycache__, output/, temp/, venv/) - Clean up test intermediates and caches
2026-04-26 19:27:40 +08:00
commit 04db423416
861 changed files with 210414 additions and 0 deletions
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+#!/usr/bin/env python3
+"""
+YouTube 视频下载器
+使用 Savenow API 下载 YouTube 视频/音频
+
+使用方法:
+    python youtube_dl.py <YouTube_URL> [format]
+
+示例:
+    python youtube_dl.py "https://www.youtube.com/watch?v=xxx" mp3
+    python youtube_dl.py "https://www.youtube.com/watch?v=xxx" 1080
+"""
+
+import requests
+import time
+import sys
+import os
+import re
+import json
+
+API_KEY = "dfcb6d76f2f6a9894gjkege8a4ab232222"
+API_BASES = ["https://p.savenow.to", "https://p.lbserver.xyz"]
+
+VIDEO_FORMATS = {
+    "144": "144p Mp4",
+    "240": "240p Mp4",
+    "360": "360p Mp4",
+    "480": "480p Mp4",
+    "720": "720p HD Mp4",
+    "1080": "1080p FULL HD Mp4",
+    "4k": "2160p 4K WEBM",
+    "8k": "4320p 8K WEBM",
+}
+
+AUDIO_FORMATS = {
+    "mp3": "Audio MP3",
+    "m4a": "Audio M4A",
+    "flac": "Audio FLAC",
+    "wav": "Audio WAV",
+    "aac": "Audio AAC",
+    "opus": "Audio OPUS",
+    "ogg": "Audio OGG",
+}
+
+
+def get_title_from_response(response_text):
+    """从 API 响应中提取视频标题"""
+    try:
+        match = re.search(rb'"title":"([^"]+)"', response_text.encode("utf-8"))
+        if match:
+            escaped = match.group(1).decode("ascii")
+            title = bytes(escaped, "ascii").decode("unicode_escape")
+            return title
+    except:
+        pass
+    return None
+
+
+def request_download(url, format="mp3"):
+    """请求下载，返回 progress_id"""
+    params = {
+        "copyright": "0",
+        "allow_extended_duration": "1",
+        "format": format,
+        "url": url,
+        "api": API_KEY,
+    }
+
+    for base in API_BASES:
+        try:
+            resp = requests.get(f"{base}/ajax/download.php", params=params, timeout=30)
+            data = resp.json()
+            if data.get("success"):
+                return (
+                    data.get("id"),
+                    data.get("progress_url"),
+                    data.get("info", {}).get("title", ""),
+                )
+        except Exception as e:
+            print(f"尝试 {base} 失败: {e}")
+            continue
+
+    raise Exception("所有 API 都失败了")
+
+
+def poll_progress(progress_url, title):
+    """轮询直到下载完成，返回下载链接"""
+    print("等待处理中...", end="", flush=True)
+
+    while True:
+        time.sleep(3)
+        resp = requests.get(progress_url, timeout=30)
+        data = resp.json()
+
+        progress = data.get("progress", 0) / 10
+        status = data.get("success", 0)
+
+        if status == 1 and progress == 100:
+            return data.get("download_url"), data.get("alternative_download_urls", [])
+
+        print(".", end="", flush=True)
+
+    return None, []
+
+
+def download_file(download_url, output_path):
+    """下载文件"""
+    print(f"\n正在下载: {output_path}")
+
+    resp = requests.get(download_url, stream=True)
+    total = int(resp.headers.get("content-length", 0))
+
+    downloaded = 0
+    with open(output_path, "wb") as f:
+        for chunk in resp.iter_content(chunk_size=8192):
+            if chunk:
+                f.write(chunk)
+                downloaded += len(chunk)
+                if total:
+                    percent = downloaded * 100 / total
+                    print(f"\r进度: {percent:.1f}%", end="", flush=True)
+
+    print("\n下载完成!")
+    return output_path
+
+
+def main():
+    if len(sys.argv) < 2:
+        print(__doc__)
+        print("\n可用格式:")
+        print("视频:", ", ".join(VIDEO_FORMATS.keys()))
+        print("音频:", ", ".join(AUDIO_FORMATS.keys()))
+        sys.exit(1)
+
+    url = sys.argv[1]
+    format = sys.argv[2] if len(sys.argv) > 2 else "mp3"
+
+    # 获取标题
+    print(f"请求下载: {url}")
+    print(f"格式: {format}")
+
+    progress_id, progress_url, title = request_download(url, format)
+    print(f"视频标题: {title}")
+
+    # 轮询下载链接
+    download_url, alternatives = poll_progress(progress_url, title)
+
+    if not download_url and alternatives:
+        download_url = alternatives[0].get("url")
+
+    if not download_url:
+        print("获取下载链接失败!")
+        sys.exit(1)
+
+    # 确定文件扩展名
+    ext = (
+        format
+        if format in ["mp3", "m4a", "flac", "wav", "aac", "opus", "ogg"]
+        else "mp4"
+    )
+
+    # 生成文件名
+    safe_title = re.sub(r'[\\/:*?"<>|]', "_", title or "video")
+    output_path = f"{safe_title}({format}p).{ext}"
+
+    # 下载
+    download_file(download_url, output_path)
+    print(f"已保存: {output_path}")
+
+
+if __name__ == "__main__":
+    main()