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

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 …

Oct 20, 2015 · What is the best way to get exceptions' messages from components of standard library in Python? I noticed that in some cases you can get it via message field like this: try: …

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 …

From Python Documentation: An except clause may name multiple exceptions as a parenthesized tuple, for example except (IDontLikeYouException, YouAreBeingMeanException) as e: pass …

144 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 …

In Python, all exceptions must be instances of a class that derives from BaseException, but if you can omit it for a general case - omit it, problem is, linters wine about it.

How can I log an exception in Python? I've looked at some options and found out I can access the actual exception details using this code: import sys import traceback try: 1/0 except: ex...

The best way to handle exceptions in python is to write a function that catches and returns them? Seriously? The pythonic way to handle exceptions is to use a try...except statement.

I want to read a .csv file in python. I don't know if the file exists. My current solution is below. It feels sloppy to me because the two separate exception tests are awkwardly juxtaposed. Is th...