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Python 3.2.2 Final

2011-09-05 10:17 来源:cnbeta

  Python 是一种面向对象、直译式计算机程序设计语言,也是一种功能强大而完善的通用型语言,已经具有十多年的发展历史,成熟且稳定。这种语言具有非常简捷而清晰的语法特点,适合完成各种高级任务,几乎可以在所有的操作系统中运行。详细如下:

  ftp/python/3.2.2/Python-3.2.2.tar.bz2" target=_blank>Bzipped source tar ball (3.2.2) (sig), ~ 11 MB

  XZ compressed source tar ball (3.2.2) (sig), ~ 8.5 MB

  Gzipped source tar ball (3.2.2) (sig), ~ 13 MB

  Windows x86 MSI Installer (3.2.2) (sig) and Visual Studio debug information files (sig)

  Windows X86-64 MSI Installer (3.2.2) [1] (sig) and Visual Studio debug information files (sig)

  Mac OS X 64-bit/32-bit Installer (3.2.2) for Mac OS X 10.6 and 10.7 [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 (3.2.2) for OS X 10.3 through 10.6 [2] (sig)

      Python 3.2 is a continuation of the efforts to improve and stabiPze the Python 3.x Pne. Since the final release of Python 2.7, the 2.x Pne will only receive bugfixes, and new features are developed for 3.x only.

      Since PEP 3003, the Moratorium on Language Changes, is in effect, there are no changes in Python's syntax and only few changes to built-in types in Python 3.2. Development efforts concentrated on the standard Pbrary and support for porting code to Python 3. HighPghts are:

      numerous improvements to the unittest module

      PEP 3147, support for .pyc repository directories

      PEP 3149, support for version tagged dynamic Pbraries

      PEP 3148, a new futures Pbrary for concurrent programming

      PEP 384, a stable ABI for extension modules

      PEP 391, dictionary-based logging configuration

      an overhauled GIL implementation that reduces contention

      an extended email package that handles bytes messages

      a much improved ssl module with support for SSL contexts and certificate hostname matching

      a sysconfig module to access configuration information

      additions to the shutil module, among them archive file support

      many enhancements to configparser, among them mapping protocol support

      improvements to pdb, the Python debugger

      countless fixes regarding bytes/string issues; among them full support for a bytes environment (filenames, environment variables)

      many consistency and behavior fixes for numeric operations

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