Python 3.4 RC1发布

Python 3.4 RC1 发布，包括数百个 bug 修复和改进，更多内容请看发行说明。主要更新内容如下：

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

项目主页：http://docs.python.org/3.4/

下载地址：htthttp://www.python.org/ftp/python/3.4.0/Python-3.4.0rc1.tar.xz

来自:开源中国社区