AI 生成: 一个自动构建 APTV 直播源的脚本工具，每天自动更新央视、卫视、地方台频道，支持源过滤、去重和可用性检测。

main.py

@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+"""APTV 直播源构建主入口"""
+
+import sys
+import config
+from fetcher import load_sources
+from filter import filter_available, dedup
+from generator import generate_m3u
+
+
+def main():
+    print("[1/4] 读取源文件...")
+    channels = load_sources(config.SOURCES_DIR)
+    print(f"      共读取 {len(channels)} 条源")
+
+    if not channels:
+        print("没有可用的源，请检查 sources/ 目录")
+        sys.exit(1)
+
+    print("[2/4] 去重...")
+    if config.ENABLE_DEDUP:
+        before = len(channels)
+        channels = dedup(channels)
+        print(f"      去重后剩余 {len(channels)} 条（移除 {before - len(channels)} 条）")
+    else:
+        print("      已跳过")
+
+    print("[3/4] 可用性过滤...")
+    if config.ENABLE_FILTER:
+        before = len(channels)
+        channels = filter_available(
+            channels,
+            timeout=config.TIMEOUT,
+            max_workers=config.MAX_WORKERS,
+        )
+        print(f"      过滤后剩余 {len(channels)} 条（移除 {before - len(channels)} 条）")
+    else:
+        print("      已跳过")
+
+    if not channels:
+        print("没有可用源，退出")
+        sys.exit(1)
+
+    print("[4/4] 生成 M3U...")
+    count = generate_m3u(
+        channels,
+        config.OUTPUT_FILE,
+        category_order=config.CATEGORY_ORDER,
+    )
+    print(f"      已生成 {config.OUTPUT_FILE}，共 {count} 个频道")
+
+
+if __name__ == "__main__":
+    main()