[bug] fixed critical errors for linux dependendancy handling

Author: Ghua8088

pytron/application.py

@@ -10,7 +10,7 @@
 from .apputils.codegen import CodegenMixin
 from .apputils.native import NativeMixin
 from .apputils.config import ConfigMixin
-from .apputils.windows import WindowMixin
+from .apputils.window_mixin import WindowMixin
 from .apputils.extras import ExtrasMixin
 from .apputils.shell import Shell
 from .inspector import Inspector

pytron/apputils/windows.py pytron/apputils/window_mixin.pypytron/apputils/windows.py renamed to pytron/apputils/window_mixin.py

@@ -17,6 +17,16 @@ def cmd_engine(args):
             except Exception as e:
                 log(f"Engine Forge Failed: {e}", style="error")
                 return 1
+        elif args.name == "native":
+            log(f"Building Native Iron Engine from source...", style="info")
+            try:
+                from ..engines.native.build import build as build_native
+
+                build_native()
+                log("Native Engine Build Successful!", style="success")
+            except Exception as e:
+                log(f"Native Engine Build Failed: {e}", style="error")
+                return 1
         else:
             log(f"Unsupported engine: {args.name}", style="error")
             return 1

pytron/commands/engine.py

@@ -12,17 +12,16 @@
 import base64
 from collections import deque
 
-# Import Native Engine
-try:
-    from .dependencies import pytron_native
-except ImportError:
-    # Fallback to check if it's in path
-    sys.path.append(os.path.join(os.path.dirname(__file__), "dependencies"))
+# Import Native Engine via Canonical Resolver
+from .utils import resolve_native_module
+
+pytron_native = resolve_native_module()
+if not pytron_native:
+    # Final legacy fallback for simple environments
     try:
-        import pytron_native
+        from .dependencies import pytron_native
     except ImportError:
-        print("[CRITICAL] Could not load pytron_native engine.")
-        pytron_native = None
+        pass
 
 import urllib.parse
 from .serializer import pytron_serialize
@@ -37,10 +36,11 @@
 class Webview:
     def __init__(self, config):
         if not pytron_native:
+            ext = ".pyd" if sys.platform == "win32" else ".so"
             raise NativeEngineError(
-                "Pytron Native Engine binary (pytron_native.pyd/so) is missing or could not be loaded. "
-                "Ensure it is present in 'pytron/dependencies' or your environment. "
-                "You may need to run 'pytron engine install native' or check for architecture mismatches."
+                f"Pytron Native Engine binary (pytron_native{ext}) is missing or could not be loaded. "
+                "Ensure it is present in 'pytron/dependencies' or your path. "
+                "Try running 'pytron engine install native' to build it for your current system."
             )
 
         self.config = config

pytron/webview.py

@@ -11,7 +11,7 @@ def test_on_exit_sync(self):
         app.on_exit(mock_func)
 
         # Simulate app exit
-        from pytron.apputils.windows import WindowMixin
+        from pytron.apputils.window_mixin import WindowMixin
 
         # The exit logic usually runs through _on_exit_cleanup which we should verify
         # or simulate the callback execution.

tests/test_lifecycle.py

@@ -2,7 +2,7 @@
 import sys
 import pytest
 from unittest.mock import MagicMock, patch
-from pytron.apputils.windows import WindowMixin
+from pytron.apputils.window_mixin import WindowMixin
 
 
 # Mock App class that uses the mixin
@@ -28,7 +28,7 @@ def app():
 
 @pytest.fixture
 def mock_webview():
-    with patch("pytron.apputils.windows.Webview") as mock:
+    with patch("pytron.apputils.window_mixin.Webview") as mock:
         # Setup the mock instance returned by the constructor
         instance = mock.return_value
         instance.config = {}