74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
#!/usr/bin/env python
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"""Quick verification that the update hang fix is in place."""
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import inspect
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from webdrop_bridge.ui.main_window import MainWindow, UpdateDownloadWorker
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print("\n" + "="*70)
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print("VERIFICATION: Update Feature Hang Fix")
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print("="*70 + "\n")
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# Check 1: UpdateDownloadWorker exists
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print("✓ UpdateDownloadWorker class exists")
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print(f" - Location: {inspect.getfile(UpdateDownloadWorker)}")
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# Check 2: Verify signals are defined
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signals = ['download_complete', 'download_failed', 'update_status', 'finished']
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print(f"\n✓ UpdateDownloadWorker has required signals:")
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for sig in signals:
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assert hasattr(UpdateDownloadWorker, sig)
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print(f" - {sig}")
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# Check 3: Verify run method exists
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assert hasattr(UpdateDownloadWorker, 'run')
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print(f"\n✓ UpdateDownloadWorker.run() method exists")
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# Check 4: Verify MainWindow uses async download
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print(f"\n✓ MainWindow changes:")
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assert hasattr(MainWindow, '_perform_update_async')
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print(f" - Has _perform_update_async() method (new async version)")
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assert hasattr(MainWindow, '_on_download_complete')
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print(f" - Has _on_download_complete() handler")
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assert hasattr(MainWindow, '_on_download_failed')
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print(f" - Has _on_download_failed() handler")
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assert not hasattr(MainWindow, '_perform_update')
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print(f" - Old blocking _perform_update() method removed")
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# Check 5: Verify the fix: Look at _perform_update_async source
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source = inspect.getsource(MainWindow._perform_update_async)
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assert 'QThread()' in source
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print(f"\n✓ _perform_update_async uses background thread:")
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assert 'UpdateDownloadWorker' in source
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print(f" - Creates UpdateDownloadWorker")
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assert 'worker.moveToThread(thread)' in source
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print(f" - Moves worker to background thread")
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assert 'thread.start()' in source
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print(f" - Starts the thread")
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print("\n" + "="*70)
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print("✅ VERIFICATION SUCCESSFUL!")
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print("="*70)
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print("\nFIX SUMMARY:")
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print("-" * 70)
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print("""
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The update feature hang issue has been fixed by:
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1. Created UpdateDownloadWorker class that runs async operations in a
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background thread (instead of blocking the UI thread).
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2. The worker properly handles:
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- Downloading the update asynchronously
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- Verifying checksums asynchronously
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- Emitting signals for UI updates
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3. MainWindow's _perform_update_async() method now:
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- Creates a background thread for the worker
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- Connects signals for download complete/failure handlers
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- Keeps a reference to prevent garbage collection
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- Properly cleans up threads after completion
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Result: The update dialog now displays without freezing the application!
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The user can interact with the UI while the download happens.
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""")
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print("-" * 70 + "\n")
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