56 Source (Py v2.7.3) for traceback.format_exception () and called/related functions helps greatly. Embarrassingly, I always forget to Read the Source. I only did so for this after searching for similar …

How do I raise an exception in Python so that it can later be caught via an except block?

Python 3: logging Instead of using the basic print() function, the more flexible logging module can be used to log the exception. The logging module offers a lot extra functionality, for example, logging …

Robust exception handling (in Python) - a "best practices for Python exceptions" blog post I wrote a while ago. You may find it useful. Some key points from the blog: Never use exceptions for flow …

Important note: If the exception was raised without a message, execinfo.value.args will be an empty tuple, meaning trying to do execinfo.value.args[0] will raise an exception.

If you care about the type of exception, it's because you've already considered what types of exception might logically occur.

As of Python 3.11 you can take advantage of the except* clause that is used to handle multiple exceptions. PEP-654 introduced a new standard exception type called ExceptionGroup that …

Apr 6, 2021 · The one you linked to asks what's the difference between except Exception, e: and except Exception as e:. This question asks what the difference is between except: and except Exception as e:.

Mar 10, 2019 · 3 I have found this related article: Python Interactions with Excel Macros The code there is for python 2. The most important part is that closing the workbook and quitting the app resulted in …

In other words, Python sets a context on exceptions so you can introspect where an exception was raised, letting you see if another exception was replaced by it.