Python 3.4.0 beta 2 釋出，修復多個bug

pythontab發表於2014-01-06
Python

Python 3.4.0 beta 2 釋出，此版本包括對 3.x 系列的改進和一些小的 bug 修復。Python 3.4 現在是“功能凍結”狀態，也就意味著不會新增新特性，最終版本預計最遲在 2014 年 2 月釋出。

主要更新內容如下：

  • PEP 428, a "pathlib" module providing object-oriented filesystem paths

  • PEP 435, a standardized "enum" module

  • PEP 436, a build enhancement that will help generate introspection information for builtins

  • PEP 442, improved semantics for object finalization

  • PEP 443, adding single-dispatch generic functions to the standard library

  • PEP 445, a new C API for implementing custom memory allocators

  • PEP 446, changing file descriptors to not be inherited by default in subprocesses

  • PEP 450, a new "statistics" module

  • PEP 451, standardizing module metadata for Python's module import system

  • PEP 453, a bundled installer for the pip package manager

  • PEP 454, a new "tracemalloc" module for tracing Python memory allocations

  • PEP 456, a new hash algorithm for Python strings and binary data

  • PEP 3154, a new and improved protocol for pickled objects

  • PEP 3156, a new "asyncio" module, a new framework for asynchronous I/O

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