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 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
相關資源:
Report bugs at http://bugs.python.org.
下載地址:
Bzipped source tar ball (3.4.0b2) (sig), ~ 14 MB
Gzipped source tar ball (3.4.0b2) (sig), ~ 16 MB
Windows x86 MSI Installer (3.4.0b2) (sig) and Visual Studio debug information files (sig)
Windows X86-64 MSI Installer (3.4.0b2)[1] (sig) and Visual Studio debug information files(sig)
Mac OS X 64-bit/32-bit Installer (3.4.0b2) for Mac OS X 10.6 and later [2] (sig). [You may need an updated Tcl/Tk install to run IDLE or use Tkinter, see note 2 for instructions.]
Mac OS X 32-bit i386/PPC Installer (3.4.0b2) for Mac OS X 10.5 and later [2] (sig)