Why Python Makes you "Close" Things (And What Happens When You Don't)
Every open() is a debt. Here's what happens when you don't pay it back
Mar 27, 20268 min read40
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Series
Python Context Managers: A Deep Dive
A five-part series on Python context managers, built for developers coming from JavaScript. We start with the resource leak problem, work through the with statement, open(), generator functions, and building your own context managers, then finish with real-world usage across popular frameworks.
The with Statement and open() in Depth
One keyword. One argument. Zero resource leaks.
Mar 30, 202610 min read16
Generator Functions in Python: How to Pause a Function Mid-Execution
A function that remembers where it left off changes everything.
Apr 2, 202610 min read22
Building Context Managers: enter, exit, and @contextmanager
The with statement isn't magic. It's just two method calls wrapped in a try/finally.
Apr 22, 20269 min read36