Pretty and more helpful exceptions in Python, automatically. Note that this uses an undocumented method override, so it is not guaranteed to work on all platforms or versions of Python. You can also ...

In our example, Python offers two ways to access the exception information. For both, the Python script first must have import sys before the try: .. except: portion of the code. With the first method ...

Under the hood, Python uses try/except blocks, raising, and exception objects to interrupt normal program flow and pass control to the handler when things go awry. Don't Panic – Raising Exceptions ...

Very early Python versions used simple strings to signalize errors. Later, Python allowed raising arbitrary classes, and added specialized exception classes to the standard library. For backwards ...