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In my Python 3 test code, I have a lot of these statements: from unittest.mock import patch user =… Read more Writing A Contextmanager That Patches An Object

from contextlib import closing def init_db(): with closing(connect_db()) as db: with a… Read more Python 'with' Statement, Should I Use Contextlib.closing?

I think I've read that exceptions inside a with do not allow __exit__ to be call correctly. If … Read more How To Safely Handle An Exception Inside A Context Manager

Suppose I have some kind of context manager (from a third-party library) that I am using like so: w… Read more Conditional Or Optional Context Managers In With Statement