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Talks - Victor Stinner: Introducing incompatible changes in Python
Introducing incompatible changes in Python: A guide to planning, announcing, and easing the transition, including tools like Pyupgrade and HPY to simplify the process.
- It’s essential to plan for and announce incompatible changes in Python, with a reasonable timeline for adoption, and provide tools to ease the transition.
- The C API should be made easier to implement and maintain, and Pyupgrade is a tool that can help identify code that needs to be updated.
- To make the transition smoother, provide a compatibility layer, documentation, and examples to help users update their code.
- The ideal integration involves adding an API that documents changes, provides a concrete solution, and is tested thoroughly.
- A new project, HPY, is being developed to make the C API easier to use and more efficient.
- For incompatible changes, it’s crucial to announce the changes early, provide a migration path, and offer tools to help with the transition.
- The Python development mode can be used to detect issues early, and Pyupgrade can be used to identify code that needs to be updated.
- Providing a way to opt-in to new features and APIs can make it easier for users to adopt new versions of Python.
- The C API can be made more user-friendly by adding more documentation and examples.
- Incompatible changes can be managed by providing a compatibility layer, documentation, and examples to help users update their code.
- It’s essential to plan for and announce incompatible changes in Python, with a reasonable timeline for adoption, and provide tools to ease the transition.