12/6/2023 0 Comments Benchmark fractions in spanishGeneric classes and functions under PEP 484 were declared using a verbose syntax New Features ¶ PEP 695: Type Parameter Syntax ¶ Removed, along with several unittest.TestCase method aliases. The asynchat, asyncore, and imp modules have been Run pip install setuptools in the activated This means that distutils, setuptools, pkg_resources,Īnd easy_install will no longer available by default to access these Gh-95299: Do not pre-install setuptools in virtual environments If you still require it in Python 3.12 and beyond. Reducing the size of every str object by at least 8 bytes.įor advice replacing the APIs it provided. PEP 623: Remove wstr from Unicode objects in Python’s C API, Important deprecations, removals or restrictions: Implement stack overflow protection on supported platforms These builtin implementations remain as fallbacks that are only used whenĬPython support for the Linux perf profiler SHA1, SHA3, SHA2-384, SHA2-512, and MD5 with formally verified code from the Replace the builtin hashlib implementations of Producing tokens via the tokenize module is up to 64% faster. With some benchmarks showing a 75% speed up. The asyncio package has had a number of performance improvements, Isinstance() checks against runtime-checkable protocols enjoy a speed up of between two and 20 times The os module received several improvements for Windows supportĪ command-line interface has been added to the The pathlib.Path class now supports subclassing Significant improvements in the standard library: PEP 688, using the buffer protocol from Python PEP 695, type parameter syntax and the type statementįor NameError, ImportError, and Synta圎rror exceptions Once a feature has been fully implemented. Refer to the PEP for a particular new feature īut note that PEPs usually are not kept up-to-date If you want to understand the complete implementation and design rationale for a change, This article doesn’t attempt to provide a complete specification of all new features,įor full details, you should refer to the documentation, Of note, the distutils package has been removed from the standard library.įilesystem support in os and pathlib has seen a number of improvements,Īnd several modules have better performance.Īs f-strings have had many limitations removedĪnd ‘Did you mean …’ suggestions continue to improve.Īnd type statement improve ergonomics for using generic types and type aliases with static type checkers. The library changes focus on cleaning up deprecated APIs, usability, and correctness. With a mix of changes to the language and the standard library. Python 3.12 is the latest stable release of the Python programming language, PEP 693 – Python 3.12 Release Schedule Summary – Release highlights ¶ PEP 698: Override Decorator for Static Typing.PEP 692: Using TypedDict for more precise **kwargs typing.PEP 688: Making the buffer protocol accessible in Python.PEP 669: Low impact monitoring for CPython.PEP 701: Syntactic formalization of f-strings.
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