[IronPython] Announcing IronPython 2.7 Alpha 1

[Jimmy Cao]

I had to copy the IronPython 2.7 files to
"C:\Users\Jimmy\AppData\Local\Microsoft\VisualStudio\10.0\Extensions\Microsoft\IronPython
Tools for Visual Studio\0.3" in order to get IronPython Tools to work with
this new version.  It was still using 2.6.1, so clr.LoadComponent failed.
 Was I supposed to do that?

On Fri, Jul 16, 2010 at 3:38 PM, Dave Fugate <dfugate at microsoft.com> wrote:

>  Hello Python Community,
>
> We’re pleased to announce the Alpha release of IronPython 2.7 which can be
> downloaded at http://ironpython.codeplex.com/releases/view/42434.  This is
> a major new version of IronPython with a number of significant updates.
> Because this is an Alpha release it is not yet feature complete nor fully
> compatible with CPython 2.7.  Changes thus far include:
>
> ·         Updates the language to be compatible with CPython 2.7
>
> ·         Adds integrated Visual Studio support (IronPython Tools for
> Visual Studio)
>
> ·         Extends CPython 2.7’s documentation with useful information
> pertaining to IronPython
>
> ·         Adds the mmap and signal modules
>
> ·         Includes a number of performance updates and bug fixes
>
> ·         Switches the license to Apache License, Version 2.0
>
> ·         Requires .NET 4.0 and Silverlight 4.0
>
>
>
> 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 well as the start of improved WPF
> designer support.  We discovered very late that the WPF designer support may
> crash VS when not running under the debugger.  If you’d like to try the WPF
> designer support and give us feedback, just launch another Visual Studio
> instance and attach to the instance in which you are using the WPF designer
> support.
>
> 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.
>
> 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.
>
> Finally, with this release we have changed the license from the Microsoft
> Public License to the Apache License, Version 2.0.  We’ve made this change
> based upon continual feedback and questions from the community.  The Apache
> License will be more familiar while remaining an open source license.
>
> - The IronPython Team
>
> _______________________________________________
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> Users at lists.ironpython.com
> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>
>
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