Python 3.3 Alpha 1

I just installed the alpha version of Python 3.3. Here are the PEPs and new features.

  • PEP 380 – Syntax for Delegating to a Subgenerator (yield from)
  • PEP 393 – Flexible String Representation (doing away with the distinction between “wide” and “narrow” Unicode builds)
  • PEP 409 – Suppressing Exception Context
  • PEP 3151 – Reworking the OS and IO exception hierarchy
  • The new “packaging” module, building upon the “distribute” and “distutils2” projects and deprecating “distutils”
  • The new “lzma” module with LZMA/XZ support
  • PEP 3155 – Qualified name for classes and functions
  • PEP 414 – explicit Unicode literals to help with porting
  • The new “faulthandler” module that helps diagnosing crashes
  • Wrappers for many more POSIX functions in the “os” and “signal” modules, as well as other useful functions such as “sendfile()”

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