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 include in the exc...

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: pass except …

76 From Python documentation -> 8.3 Handling Exceptions: A try statement may have more than one except clause, to specify handlers for different exceptions. At most one handler will be executed. …

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 …

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.

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...

In Python, is it possible to have multiple except statements for one try statement? Such as: try: #something1 #something2 except ExceptionType1: #return xyz except ExceptionType2: #...

When you just want to do a try-except without handling the exception, how do you do it in Python? Is the following the right way to do it? try: shutil.rmtree(path) except: 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 example, logging …