add about device

build_info.py

@@ -3,3 +3,15 @@ VERSION = "0.1.0-dev"
 BUILD_DATE = "dev"
 GIT_HASH = "dev"
 DEVICE_MODEL = "Raspberry Pi"
+
+
+def get_device_model() -> str:
+    for path in ("/proc/device-tree/model", "/sys/firmware/devicetree/base/model"):
+        try:
+            with open(path, "rb") as f:
+                raw = f.read().strip(b"\x00").strip()
+            if raw:
+                return raw.decode("utf-8", errors="replace")
+        except OSError:
+            continue
+    return DEVICE_MODEL

screens/settings.py

@@ -213,7 +213,7 @@ class SettingsScreen(QWidget):
         info.addWidget(self._info_row("Версия", build_info.VERSION))
         info.addWidget(self._info_row("Сборка", build_info.BUILD_DATE))
         info.addWidget(self._info_row("Коммит", build_info.GIT_HASH))
-        info.addWidget(self._info_row("Устройство", build_info.DEVICE_MODEL))
+        info.addWidget(self._info_row("Устройство", build_info.get_device_model()))
 
         layout.addLayout(info)
         layout.addStretch(1)