update nvidia sensors to hide process window | updated test core to a…

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "glint-monitor"
-version = "1.0.2"
+version = "1.0.3"
 description = "A Modern Painter-Rendered Desktop System Monitor"
 readme = "README.md"
 requires-python = ">=3.10"

src/core/sensors.py

@@ -74,12 +74,17 @@ def _gpu(self) -> dict[str, float | None]:
         """Read NVIDIA CLI metrics, then vendor-neutral Windows counters."""
         if self._nvidia_smi:
             try:
+                run_options = {
+                    "capture_output": True,
+                    "text": True,
+                    "timeout": 2,
+                }
+                if platform.system() == "Windows":
+                    run_options["creationflags"] = subprocess.CREATE_NO_WINDOW
                 result = subprocess.run(
                     ["nvidia-smi", "--query-gpu=utilization.gpu,temperature.gpu", "--format=csv,noheader,nounits"],
-                    capture_output=True,
                     check=True,
-                    text=True,
-                    timeout=2,
+                    **run_options,
                 )
                 usage, temperature = result.stdout.splitlines()[0].split(",", maxsplit=1)
                 self._gpu_values = {"usage": float(usage.strip()), "temperature": float(temperature.strip())}

tests/test_core.py

@@ -144,6 +144,26 @@ def test_nvidia_smi_path_is_resolved_once(monkeypatch):
     assert len(calls) == 1
 
 
+def test_nvidia_smi_suppresses_console_only_on_windows(monkeypatch):
+    import src.core.sensors as sensors_module
+
+    reader = SensorReader()
+    reader._nvidia_smi = "nvidia-smi"
+    completed = Mock(stdout="40, 55\n")
+    run = Mock(return_value=completed)
+    monkeypatch.setattr(sensors_module.subprocess, "run", run)
+    monkeypatch.setattr(sensors_module.platform, "system", lambda: "Windows")
+    monkeypatch.setattr(sensors_module.subprocess, "CREATE_NO_WINDOW", 0x08000000, raising=False)
+
+    assert reader._gpu() == {"usage": 40.0, "temperature": 55.0}
+    assert run.call_args.kwargs["creationflags"] == 0x08000000
+
+    run.reset_mock()
+    monkeypatch.setattr(sensors_module.platform, "system", lambda: "Linux")
+    assert reader._gpu() == {"usage": 40.0, "temperature": 55.0}
+    assert "creationflags" not in run.call_args.kwargs
+
+
 def test_get_all_skips_heavy_probes_after_stop():
     import threading