Web Reference: 2 days ago · A weak reference to an object is not enough to keep the object alive: when the only remaining references to a referent are weak references, garbage collection is free to destroy the referent and reuse its memory for something else. Jul 12, 2025 · Why do we want such a thing in the first place? There are two main applications of weak references: Implement caches for large objects (weak dictionaries). Reduction of Pain from circular references. To create weak references, Python has provided us with a module named weakref. Mar 28, 2012 · Weak references allow you to create references to an object that will not increase the reference count. The reference count is used by python's Garbage Collector when it runs: any object whose reference count is 0 will be garbage collected.
YouTube Excerpt: today I talk about reference counting and the `weakref` module and some use cases for
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