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Title: Add per-module state handling and API to PyModule by Copilot · Pull Request #6519 · RustPython/RustPython · GitHub

Open Graph Title: Add per-module state handling and API to PyModule by Copilot · Pull Request #6519 · RustPython/RustPython

X Title: Add per-module state handling and API to PyModule by Copilot · Pull Request #6519 · RustPython/RustPython

Description: The VM lacked a consistent module-level state mechanism analogous to CPython’s PyModule_GetState. API: Added PyModule::get_state and get_or_try_init_state, storing state behind a PyRwLock>, initializing under a write lock, and raising TypeError on incompatible existing state. Behavior: Documented semantics (returns None if absent or wrong type; init invoked only once). Improved error messaging for mismatched state types. Tests: Added a unit test ensuring per-module isolation, reuse of initialized state, and type-mismatch error behavior. Example: let state = module.get_or_try_init_state(vm, |vm| Ok(vm.ctx.new_int(1)))?; // init once assert!(module.get_state::().is_some()); // retrieve Original prompt This section details on the original issue you should resolve [RFC] module state for PyModule or builtin module ## Summary related CPython function: PyModule_GetState We are handling them with sometimes module attr and the other times static variable. Detailed Explanation Drawbacks, Rationale, and Alternatives Unresolved Questions Investigate how CPython handle module state and try to add one Comments on the Issue (you are @copilot in this section) Fixes #4054 ✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

Open Graph Description: The VM lacked a consistent module-level state mechanism analogous to CPython’s PyModule_GetState. API: Added PyModule::get_state and get_or_try_init_state, storing state behind a PyRwLock<Optio...

X Description: The VM lacked a consistent module-level state mechanism analogous to CPython’s PyModule_GetState. API: Added PyModule::get_state and get_or_try_init_state, storing state behind a PyRwLock&lt;O...

Opengraph URL: https://github.com/RustPython/RustPython/pull/6519

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