验证：补充2K刷新率与单显示器验收

tools/set-terminal-fps.py

@@ -0,0 +1,51 @@
+"""Query or change only the Windows desktop FPS in the box's local POC config."""
+import argparse
+import subprocess
+import sys
+
+parser = argparse.ArgumentParser(description=__doc__)
+parser.add_argument("--fps", type=int, choices=[30, 45, 60], required=True)
+parser.add_argument("--apply", action="store_true")
+args = parser.parse_args()
+program = r'''
+from pathlib import Path
+from datetime import datetime
+import json, os, shutil, stat, tempfile
+path=Path.home()/'.config/vdi-terminal/desktops.json'
+original=path.read_bytes()
+data=json.loads(original)
+matches=[d for d in data['desktops'] if d.get('id')=='desk-win10-01']
+if len(matches)!=1 or matches[0].get('endpoint')!='192.168.1.70':
+    raise RuntimeError('Unexpected Windows desktop identity; inspect before changing')
+desktop=matches[0]
+before=desktop.get('fps')
+backup=None
+if __APPLY__:
+    backup=Path.home()/'vdi-terminal/backups'/('fps-'+datetime.now().strftime('%Y%m%d-%H%M%S-%f'))
+    backup.mkdir(parents=True)
+    shutil.copy2(path,backup/'desktops.json')
+    desktop['fps']=__FPS__
+    name=None
+    try:
+        with tempfile.NamedTemporaryFile(dir=path.parent,prefix='.desktops-',delete=False) as stream:
+            name=stream.name
+            stream.write((json.dumps(data,ensure_ascii=False,indent=2)+'\n').encode())
+        os.chmod(name,stat.S_IMODE(path.stat().st_mode))
+        if path.read_bytes()!=original:
+            raise RuntimeError('Desktop configuration changed concurrently; left it intact')
+        os.replace(name,path)
+        name=None
+        if json.loads(path.read_bytes())!=data:
+            raise RuntimeError('Desktop configuration read-back mismatch')
+    finally:
+        if name is not None: os.unlink(name)
+print(json.dumps({'desktop':desktop['id'],'before':before,'fps':desktop['fps'],
+                  'requested':__FPS__,'applied':__APPLY__,
+                  'backup':str(backup) if backup else None}))
+'''.replace("__FPS__", str(args.fps)).replace("__APPLY__", str(args.apply))
+result = subprocess.run(["ssh", "-o", "ConnectTimeout=8", "armbian@192.168.1.188", "python3 -"],
+                        input=program, capture_output=True, text=True, encoding="utf-8")
+print(result.stdout, end="")
+if result.stderr:
+    print(result.stderr, end="", file=sys.stderr)
+sys.exit(result.returncode)