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Title: make `mro` representation fit to CPython by youknowone · Pull Request #5866 · RustPython/RustPython · GitHub

Open Graph Title: make `mro` representation fit to CPython by youknowone · Pull Request #5866 · RustPython/RustPython

X Title: make `mro` representation fit to CPython by youknowone · Pull Request #5866 · RustPython/RustPython

Description: Summary by CodeRabbit New Features Added utility methods for type checking and subtype determination, enhancing compatibility with Python's type system. Improved handling of method resolution order (MRO) for core types to better reflect inheritance relationships. Refactor Refined class and subclass checking logic for improved correctness and alignment with Python behavior. Optimized single inheritance checks for better performance. Streamlined creation of empty typed tuples by simplifying dependencies. Bug Fixes Corrected initialization of MRO for fundamental types, ensuring accurate inheritance chains.

Open Graph Description: Summary by CodeRabbit New Features Added utility methods for type checking and subtype determination, enhancing compatibility with Python's type system. Improved handling of method resolutio...

X Description: Summary by CodeRabbit New Features Added utility methods for type checking and subtype determination, enhancing compatibility with Python's type system. Improved handling of method resol...

Opengraph URL: https://github.com/RustPython/RustPython/pull/5866

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0cb240c Update issubclass and make mro representation fit to CPython youknowone Dec 30, 2025 https://github.com/RustPython/RustPython/pull/5866/commits/0cb240cde8bc35f6cb6ec4f58db8356808d97bf7
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