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_build/fix_capturer_signature.py

@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+"""让屏幕采集器在设置变化时重建。
+
+原来的实现：
+    def _ensure_capturer(self):
+        if self._capturer is None:
+            self._capturer = ScreenCapturer(
+                max_width=..., quality=...)
+        return self._capturer
+
+问题：**缓存住了**。改了 screen_max_width / screen_quality 之后，
+正在推流的话新设置永远不生效 —— 用户会以为"改了没用"。
+
+修法：记住建它时用的参数，参数变了就重建。
+
+顺带把 relay_saver 里那句 reset_capturer() 去掉（Actions 上没这个方法，
+写了也是白写）。
+"""
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+ROOT = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote")
+SERVER = ROOT / "windows" / "lanremote" / "server.py"
+FEATURES = ROOT / "windows" / "lanremote" / "features.py"
+
+OLD = '''    def _ensure_capturer(self) -> ScreenCapturer | None:
+        if self._capturer is None:
+            self._capturer = ScreenCapturer(
+                max_width=int(self.store.get("screen_max_width", 480) or 480),
+                quality=int(self.store.get("screen_quality", 55) or 55))
+        return self._capturer'''
+
+NEW = '''    def _ensure_capturer(self) -> ScreenCapturer | None:
+        """拿到屏幕采集器。**设置变了要重建。**
+
+        以前只判断 self._capturer is None，于是改了分辨率/画质之后
+        正在推流的会话永远用旧设置 —— 用户会以为"改了没用"。
+        现在记住建它时用的参数，参数一变就重建。
+        """
+        width = int(self.store.get("screen_max_width", 480) or 480)
+        quality = int(self.store.get("screen_quality", 55) or 55)
+        signature = (width, quality)
+        if self._capturer is not None and \\
+                getattr(self, "_capturer_signature", None) == signature:
+            return self._capturer
+        self._capturer = ScreenCapturer(max_width=width, quality=quality)
+        self._capturer_signature = signature
+        return self._capturer'''
+
+INIT_OLD = '''        self._capturer: ScreenCapturer | None = None'''
+INIT_NEW = '''        self._capturer: ScreenCapturer | None = None
+        # 建采集器时用的 (分辨率, 画质)。变了就重建，不然改设置不生效。
+        self._capturer_signature = None'''
+
+FEAT_OLD = '''        # 正在推流的话要重建采集器，新设置才生效
+        try:
+            self.actions.reset_capturer()
+        except Exception:                                 # noqa: BLE001
+            pass
+        return note'''
+
+FEAT_NEW = '''        # 采集器那边会自己检测参数变化并重建（见 server._ensure_capturer），
+        # 这里不用额外做什么。
+        return note'''
+
+
+def main() -> int:
+    ok = True
+
+    text = SERVER.read_text(encoding="utf-8")
+    for old, new, tag in ((OLD, NEW, "_ensure_capturer 按参数重建"),
+                          (INIT_OLD, INIT_NEW, "__init__ 加签名字段")):
+        if old not in text:
+            print(f"  [失败] {tag} —— 锚点没找到")
+            ok = False
+            continue
+        text = text.replace(old, new, 1)
+        print(f"  server.py: {tag}")
+    SERVER.write_text(text, encoding="utf-8")
+
+    text = FEATURES.read_text(encoding="utf-8")
+    if FEAT_OLD in text:
+        text = text.replace(FEAT_OLD, FEAT_NEW, 1)
+        FEATURES.write_text(text, encoding="utf-8")
+        print("  features.py: 去掉无效的 reset_capturer 调用")
+    else:
+        print("  features.py: [跳过] 没找到那段（可能已改）")
+
+    import ast
+    for label, path in (("server.py", SERVER), ("features.py", FEATURES)):
+        try:
+            ast.parse(path.read_text(encoding="utf-8"))
+        except SyntaxError as exc:
+            print(f"  {label} 语法错误: {exc}")
+            ok = False
+    return 0 if ok else 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())