That's right, print_exception takes three positional arguments: The type of the exception, the actual exception object, and the exception's own internal traceback property.

@aaronsteers it does use the captured exception; in an exception handler the current exception is available via the sys.exc_info() function and the traceback.print_exc() function gets it from …

1959 How do I declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I …

A Type Initializer exception indicates that the type couldn't be created. This would occur typically right before your call to your method when you simply reference that class. Is the code you …

Feb 3, 2010 · Someone please explain the difference between java.lang.RuntimeException and java.lang.Exception? How do I decide which one to extend if I create my own exception?

In C#, you do not have to derive a new class from Exception. You may simply "throw new Exception (message);" for example, and handle it generically in the block that will catch the …

Sep 25, 2008 · How does one write a unit test that fails only if a function doesn't throw an expected exception?

To do this, define a new class that inherits Exception, add all four exception constructors, and optionally an additional constructor that takes an InnerException as well as additional …

Mar 1, 2013 · I have a method with a void return type. It can also throw a number of exceptions so I'd like to test those exceptions being thrown. All attempts have failed with the same reason: …

30 I came across System.Runtime.InteropServices.COMException while opening a project solution. Sometimes user doesn't have enough priveleges to run some COM Methods. I ran …