AI 生成: 途播播放器专用直播源，每天自动更新央视、卫视、地方台等频道，生成可访问的 M3U 格式文件。

updater.py

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+# -*- coding: utf-8 -*-
+"""
+直播源采集与更新脚本
+生成标准 M3U 格式文件到 output/tubo.m3u
+"""
+
+import os
+import time
+import requests
+from datetime import datetime
+from sources import CHANNELS
+
+OUTPUT_DIR = "output"
+OUTPUT_FILE = os.path.join(OUTPUT_DIR, "tubo.m3u")
+
+# 请求头，模拟常见播放器
+HEADERS = {
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
+                  "(KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
+    "Accept": "*/*",
+}
+
+
+def check_url(url, timeout=5):
+    """检测直播源是否可用"""
+    try:
+        resp = requests.get(url, headers=HEADERS, timeout=timeout, stream=True)
+        return resp.status_code == 200
+    except Exception:
+        return False
+
+
+def build_m3u(channels):
+    """根据频道列表构建 m3u 内容"""
+    lines = ["#EXTM3U"]
+    lines.append(f"# 途播播放器直播源 - 更新时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
+    lines.append(f"# 频道总数: {len(channels)}")
+    lines.append("")
+
+    for ch in channels:
+        name = ch["name"]
+        group = ch.get("group", "其他")
+        url = ch["url"]
+        # tvg-name / group-title 便于播放器分组
+        lines.append(f'#EXTINF:-1 tvg-name="{name}" group-title="{group}",{name}')
+        lines.append(url)
+
+    return "\n".join(lines) + "\n"
+
+
+def update():
+    """执行一次更新"""
+    os.makedirs(OUTPUT_DIR, exist_ok=True)
+
+    print(f"[{datetime.now()}] 开始更新直播源...")
+    valid_channels = []
+    for ch in CHANNELS:
+        ok = check_url(ch["url"])
+        status = "✓" if ok else "✗"
+        print(f"  {status} {ch['name']}")
+        if ok:
+            valid_channels.append(ch)
+        time.sleep(0.1)  # 避免请求过频
+
+    # 如果全部失效，则保留全部频道（避免空文件）
+    if not valid_channels:
+        print("  警告：所有源检测失败，保留全部频道")
+        valid_channels = CHANNELS
+
+    content = build_m3u(valid_channels)
+    with open(OUTPUT_FILE, "w", encoding="utf-8") as f:
+        f.write(content)
+
+    print(f"[{datetime.now()}] 更新完成，共 {len(valid_channels)} 个频道 -> {OUTPUT_FILE}")
+    return OUTPUT_FILE
+
+
+if __name__ == "__main__":
+    update()