refine code

Author: LevelDownRefine

src/script_chainer/utils/runner_utils.py

@@ -15,28 +15,26 @@ def build_runner_command(chain_name: str, script_index: int | None = None) -> tu
     Returns:
         启动命令及其工作目录。
     """
+    common_args = ["--onedragon", "--chain", chain_name]
+    if script_index is not None:
+        common_args.extend(["--debug-index", str(script_index)])
+
+    # 可执行文件模式
     if getattr(sys, 'frozen', False):
-        command = [
-            sys.executable,
-            '--onedragon',
-            '--chain',
-            chain_name,
-        ]
-        if script_index is not None:
-            command.extend(['--debug-index', str(script_index)])
+        command = [sys.executable, *common_args]
         return command, os.path.dirname(sys.executable) or None
     else: # 源码模式
+        file_path = Path(__file__).resolve()
+        if len(file_path.parents) < 4:
+            raise RuntimeError(f"无法确定仓库根目录: {file_path}")
+
         # 根据该文件路径OneDragon-ScriptChainer\\src\\script_chainer\\utils\\runner_utils.py
         # 上跳三级得到仓库根目录 OneDragon-ScriptChainer
-        repo_root = str(Path(__file__).resolve().parents[3])
-        launcher_path = os.path.join(repo_root, "src", "script_chainer", "win_exe", "launcher.py")
+        repo_root = str(file_path.parents[3])
+        launcher_path = str(Path(repo_root) / "src" / "script_chainer" / "win_exe" / "launcher.py")
         command = [
             sys.executable,
             launcher_path,
-            "--onedragon",
-            "--chain",
-            chain_name,
+            *common_args,
         ]
-        if script_index is not None:
-            command.extend(["--debug-index", str(script_index)])
-        return command, repo_root
+        return command, repo_root