jack
30 lines
923 B
Python
30 lines
923 B
Python
import logging
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from functools import wraps
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def slot_error_boundary(func):
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"""Wrap a @Slot method so exceptions are logged + signalled to QML.
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Usage (stack under @Slot):
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@Slot()
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@slot_error_boundary
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def myMethod(self) -> None:
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...
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On exception:
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- Logs full traceback via logger.exception()
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- Emits logMessage signal with human-readable error (if available)
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- Returns None so QML never sees a crash
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"""
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@wraps(func)
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def wrapper(self, *args, **kwargs):
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try:
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return func(self, *args, **kwargs)
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except Exception as e:
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logger = logging.getLogger(self.__class__.__module__)
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logger.exception("Slot '%s' raised: %s", func.__name__, e)
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if hasattr(self, "logMessage"):
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self.logMessage.emit(f"Error in {func.__name__}: {str(e)}")
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return None
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return wrapper
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