Add DeviceInfo and VersionInfo frameworks

ThomasFarstrike · ThomasFarstrike · commit f772fc4b80e7 · 2026-01-24T23:32:10.000+01:00
diff --git a/internal_filesystem/builtin/apps/com.micropythonos.about/assets/about.py b/internal_filesystem/builtin/apps/com.micropythonos.about/assets/about.py
@@ -1,6 +1,5 @@
-from mpos import Activity, DisplayMetrics
+from mpos import Activity, DisplayMetrics, BuildInfo, DeviceInfo
 
-import mpos.info
 import sys
 
 class About(Activity):
@@ -46,8 +45,8 @@ def onCreate(self):
 
         # Basic OS info
         self._add_label(screen, f"{lv.SYMBOL.HOME} System Information", is_header=True)
-        self._add_label(screen, f"MicroPythonOS version: {mpos.info.CURRENT_OS_VERSION}")
-        self._add_label(screen, f"Hardware ID: {mpos.info.get_hardware_id()}")
+        self._add_label(screen, f"MicroPythonOS version: {BuildInfo.version.release}")
+        self._add_label(screen, f"Hardware ID: {DeviceInfo.hardware_id}")
         self._add_label(screen, f"sys.version: {sys.version}")
         self._add_label(screen, f"sys.implementation: {sys.implementation}")
         self._add_label(screen, f"sys.byteorder: {sys.byteorder}")
@@ -83,6 +82,7 @@ def onCreate(self):
         # These are always written to sys.stdout
         #self._add_label(screen, f"micropython.mem_info(): {micropython.mem_info()}")
         #self._add_label(screen, f"micropython.qstr_info(): {micropython.qstr_info()}")
+        import mpos
         self._add_label(screen, f"mpos.__path__: {mpos.__path__}") # this will show .frozen if the /lib folder is frozen (prod build)
 
         # ESP32 hardware info
diff --git a/internal_filesystem/builtin/apps/com.micropythonos.osupdate/assets/osupdate.py b/internal_filesystem/builtin/apps/com.micropythonos.osupdate/assets/osupdate.py
@@ -2,8 +2,7 @@
 import ujson
 import time
 
-from mpos import Activity, PackageManager, ConnectivityManager, TaskManager, DownloadManager, DisplayMetrics
-import mpos.info
+from mpos import Activity, PackageManager, ConnectivityManager, TaskManager, DownloadManager, DisplayMetrics, DeviceInfo, BuildInfo
 
 class OSUpdate(Activity):
 
@@ -47,7 +46,7 @@ def onCreate(self):
 
         self.current_version_label = lv.label(self.main_screen)
         self.current_version_label.align(lv.ALIGN.TOP_LEFT,0,0)
-        self.current_version_label.set_text(f"Installed OS version: {mpos.info.CURRENT_OS_VERSION}")
+        self.current_version_label.set_text(f"Installed OS version: {BuildInfo.version.release}")
         self.force_update = lv.checkbox(self.main_screen)
         self.force_update.set_text("Force Update")
         self.force_update.add_event_cb(lambda *args: self.force_update_clicked(), lv.EVENT.VALUE_CHANGED, None)
@@ -182,7 +181,7 @@ def _get_user_friendly_error(self, error):
             return f"An error occurred:\n{str(error)}\n\nPlease try again."
 
     async def show_update_info(self):
-        hwid = mpos.info.get_hardware_id()
+        hwid = DeviceInfo.hardware_id
 
         try:
             # Use UpdateChecker to fetch update info
@@ -217,7 +216,7 @@ def handle_update_info(self, version, download_url, changelog):
         self.download_update_url = download_url
 
         # Use UpdateChecker to determine if update is available
-        is_newer = self.update_checker.is_update_available(version, mpos.info.CURRENT_OS_VERSION)
+        is_newer = self.update_checker.is_update_available(version, BuildInfo.version.release)
 
         if is_newer:
             label = "New"
diff --git a/internal_filesystem/lib/mpos/__init__.py b/internal_filesystem/lib/mpos/__init__.py
@@ -14,6 +14,8 @@
 from .camera_manager import CameraManager
 from .sensor_manager import SensorManager
 from .time_zone import TimeZone
+from .device_info import DeviceInfo
+from .build_info import BuildInfo
 
 # Common activities
 from .app.activities.chooser import ChooserActivity
@@ -65,6 +67,8 @@
     "SharedPreferences",
     "ConnectivityManager", "DownloadManager", "WifiService", "AudioFlinger", "Intent",
     "ActivityNavigator", "PackageManager", "TaskManager", "CameraManager",
+    # Device and build info
+    "DeviceInfo", "BuildInfo",
     # Common activities
     "ChooserActivity", "ViewActivity", "ShareActivity",
     "SettingActivity", "SettingsActivity", "CameraActivity",
diff --git a/internal_filesystem/lib/mpos/apps.py b/internal_filesystem/lib/mpos/apps.py
@@ -3,7 +3,6 @@
 import _thread
 import traceback
 
-import mpos.info
 import mpos.ui
 
 # Run the script in the current thread:
diff --git a/internal_filesystem/lib/mpos/build_info.py b/internal_filesystem/lib/mpos/build_info.py
@@ -0,0 +1,13 @@
+"""
+BuildInfo - OS version and build information
+"""
+
+
+class BuildInfo:
+    """OS version and build information."""
+
+    class version:
+        """Version information."""
+
+        release = "0.7.0"  # Human-readable version: "0.7.0"
+        sdk_int = 0  # API level: 0
diff --git a/internal_filesystem/lib/mpos/device_info.py b/internal_filesystem/lib/mpos/device_info.py
@@ -0,0 +1,29 @@
+"""
+DeviceInfo - Device hardware information
+"""
+
+
+class DeviceInfo:
+    """Device hardware information."""
+
+    hardware_id = "missing-hardware-info"
+
+    @classmethod
+    def set_hardware_id(cls, device_id):
+        """
+        Set the device/hardware identifier (called during boot).
+
+        Args:
+            device_id: The hardware identifier string
+        """
+        cls.hardware_id = device_id
+
+    @classmethod
+    def get_hardware_id(cls):
+        """
+        Get the hardware identifier.
+
+        Returns:
+            str: The hardware identifier
+        """
+        return cls.hardware_id
diff --git a/internal_filesystem/lib/mpos/info.py b/internal_filesystem/lib/mpos/info.py
diff --git a/internal_filesystem/lib/mpos/main.py b/internal_filesystem/lib/mpos/main.py
@@ -6,7 +6,7 @@
 import mpos.ui
 import mpos.ui.topmenu
 
-from mpos import AppearanceManager, DisplayMetrics, PackageManager, SharedPreferences, TaskManager
+from mpos import AppearanceManager, DisplayMetrics, PackageManager, SharedPreferences, TaskManager, DeviceInfo
 
 # White text on black logo works (for dark mode) and can be inverted (for light mode)
 logo_white = "M:builtin/res/mipmap-mdpi/MicroPythonOS-logo-white-long-w296.png" # from the MPOS-logo repo
@@ -65,8 +65,7 @@ def detect_board():
 
 board = detect_board()
 print(f"Initializing {board} hardware")
-import mpos.info
-mpos.info.set_hardware_id(board)
+DeviceInfo.set_hardware_id(board)
 __import__(f"mpos.board.{board}")
 
 # Allow LVGL M:/path/to/file or M:relative/path/to/file to work for image set_src etc
diff --git a/tests/test_graphical_about_app.py b/tests/test_graphical_about_app.py
@@ -18,15 +18,16 @@
 import unittest
 import lvgl as lv
 import mpos.apps
-import mpos.info
 import mpos.ui
 import os
 from mpos import (
     wait_for_render,
     capture_screenshot,
     find_label_with_text,
     verify_text_present,
-    print_screen_labels
+    print_screen_labels,
+    DeviceInfo,
+    BuildInfo
 )
 
 
@@ -51,7 +52,7 @@ def setUp(self):
             pass  # Directory already exists
 
         # Store hardware ID for verification
-        self.hardware_id = mpos.info.get_hardware_id()
+        self.hardware_id = DeviceInfo.hardware_id
         print(f"Testing with hardware ID: {self.hardware_id}")
 
     def tearDown(self):
@@ -161,7 +162,7 @@ def test_about_app_shows_os_version(self):
         )
 
         # Verify the actual version string is present
-        os_version = mpos.info.CURRENT_OS_VERSION
+        os_version = BuildInfo.version.release
         self.assertTrue(
             verify_text_present(screen, os_version),
             f"OS version '{os_version}' not found on screen"
diff --git a/tests/test_graphical_osupdate.py b/tests/test_graphical_osupdate.py
@@ -11,7 +11,9 @@
     capture_screenshot,
     find_label_with_text,
     verify_text_present,
-    print_screen_labels
+    print_screen_labels,
+    DeviceInfo,
+    BuildInfo
 )
 
 
@@ -148,7 +150,7 @@ def test_current_version_displayed(self):
 
         # Check that it contains the current version
         label_text = version_label.get_text()
-        current_version = mpos.info.CURRENT_OS_VERSION
+        current_version = BuildInfo.version.release
         self.assertIn(current_version, label_text,
                      f"Current version {current_version} not in label text: {label_text}")
 
@@ -186,7 +188,7 @@ class TestOSUpdateGraphicalStatusMessages(unittest.TestCase):
 
     def setUp(self):
         """Set up test fixtures."""
-        self.hardware_id = mpos.info.get_hardware_id()
+        self.hardware_id = DeviceInfo.hardware_id
         self.screenshot_dir = "tests/screenshots"
 
         try:
@@ -243,7 +245,7 @@ class TestOSUpdateGraphicalScreenshots(unittest.TestCase):
 
     def setUp(self):
         """Set up test fixtures."""
-        self.hardware_id = mpos.info.get_hardware_id()
+        self.hardware_id = DeviceInfo.hardware_id
         self.screenshot_dir = "tests/screenshots"
 
         try:
