Baiscally just an Exception class that retains traceback information
This is basically an Exception class that would be used to wrap raised Exceptions.
The common use case is when one wants to present a custom exception class to a downstream caller.
One would typically do this:
try: doStuffTHatTHrowsAnException() except Exception as e: raise MyCustomException(e.message)
However, the above code causes the execution stack at the time of the first exception to be lost.
The WrappedException allows us to do this:
try: doStuffTHatTHrowsAnException() except Exception: WrappedException.throw()
Callers can now catch "WrappedException" and still have the original execution stack.
Alternatively, they can do this:
try: doStuffTHatTHrowsAnException() except Exception as e: WrappedException(e.message, another_parameter, etc.).throw()
As WrappedException would typically be subclassed with a "business" exception.
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