Initial commit

controllers/platform_controllers/safe_imports.py

@@ -0,0 +1,46 @@
+"""
+Safe imports for platform controllers.
+Provides fallback when PyQt5 is not available during testing.
+"""
+
+try:
+    from PyQt5.QtCore import QObject, QThread, pyqtSignal
+    PYQT5_AVAILABLE = True
+except ImportError:
+    # Fallback for testing without PyQt5
+    class QObject:
+        def __init__(self):
+            pass
+    
+    class QThread(QObject):
+        def __init__(self):
+            super().__init__()
+            self.running = True
+        
+        def start(self):
+            pass
+        
+        def stop(self):
+            self.running = False
+        
+        def isRunning(self):
+            return self.running
+        
+        def quit(self):
+            self.running = False
+        
+        def wait(self):
+            pass
+    
+    def pyqtSignal(*args, **kwargs):
+        """Mock pyqtSignal for testing"""
+        class MockSignal:
+            def connect(self, func):
+                pass
+            def emit(self, *args):
+                pass
+        return MockSignal()
+    
+    PYQT5_AVAILABLE = False
+
+__all__ = ['QObject', 'QThread', 'pyqtSignal', 'PYQT5_AVAILABLE']