[IronPython] IronPython 2.7 Now Available

Lukáš Duběda loocas at duber.cz
Sun Mar 13 03:27:44 PDT 2011

Amazing news!

Thank you, Jeff, and all the contributors, for
all the hard work. Very much appretiated!


Lukáš Duběda
[T] +420 602 444 164

duber studio(tm)
[M] info at duber.cz
[W] http://www.duber.cz

[A] R.A.Dvorského 601, Praha 10
[A] 10900, Czech Republic, Europe

On 13.3.2011 5:36, Jeff Hardy wrote:
> On behalf of the IronPython team, I'm very pleased to announce the
> release of IronPython 2.7. This release contains all of the language
> features of Python 2.7, as well as several previously missing modules
> and numerous bug fixes. IronPython 2.7 also includes built-in Visual
> Studio support through IronPython Tools for Visual Studio. IronPython
> 2.7 requires .NET 4.0 or Silverlight 4.
> To download IronPython 2.7, visit
> http://ironpython.codeplex.com/releases/view/54498. Any bugs should be
> reported at http://ironpython.codeplex.com/workitem/list/basic.
> Python 2.7 includes a number of features backported from the Python
> 3.0 series. This release implements the new builtin _io module,
> includes dictionary and set comprehensions, set literals, supports
> multiple context managers in the with statement, and adds several new
> functions to the itertools methods, and auto indexing for the new
> string formatting. There are also numerous updates to the standard
> library such as ordered dictionaries and the new argparse module.
> This release also includes a “IronPython Tools for Visual Studio”
> option within the IronPython installer. This enables one install to
> get both IronPython and IronPython Visual Studio support assuming you
> have an existing installation of Visual Studio 2010. This version of
> IronPython Tools includes a number of bug fixes as improved WPF
> designer support. The designer fully supports XAML and WPF including
> data binding to Python classes dynamically.
> To improve interop with modern .NET code such as LINQ, support for
> extension methods has been added as the clr.ImportExtensions method.
> We’ve also updated the IronPython installer to include documentation
> based upon the CPython documentation. This new .chm file includes
> documentation on the Python language and standard library. It’s been
> extended from the normal Python documentation to include IronPython
> specific topics such as the DLR hosting APIs and extending IronPython
> from statically typed .NET languages.
> We flushed out more support for missing built-in modules which CPython
> includes. This release includes the mmap and signal modules bringing
> better support for interoperating with unmanaged code, the zlib and
> gzip modules for compression, and the subprocess and webbrowser
> modules for interacting with other programs.
> As usual there are a number of bug fixes and performance improvements.
> This release includes major performance improvements in cPickle, the
> sum built-in function, and includes support for fast exceptions which
> do not use the .NET exception mechanism. There have also been
> improvements to significantly reduce memory usage of the IronPython
> ASTs. One of the end results of these numerous improvements is that
> IronPython’s startup time has decreased by 10% when compared to
> IronPython 2.6.1.
> This is the first full community release of IronPython, and I want to
> give a huge thank you to everyone who was involved in this release.
> - Jeff
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