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On 16/07/2010 21:38, Dave Fugate wrote:
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<p class="MsoNormal" style="line-height: normal;"><span
style="color: black;">Hello Python Community,<br>
</span></p>
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<br>
Congratulations guys.<br>
<br>
Michael<br>
<br>
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We’re pleased to announce the Alpha release of IronPython 2.7 which can
be downloaded at
<a moz-do-not-send="true"
href="http://ironpython.codeplex.com/releases/view/42434">http://ironpython.codeplex.com/releases/view/42434</a>.
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:<o:p></o:p></span></p>
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style="margin-bottom: 0.0001pt; text-indent: -0.25in; line-height: normal;">
<!--[if !supportLists]--><span
style="font-family: Symbol; color: black;"><span style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span style="color: black;">Updates
the language to be compatible with CPython 2.7<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="margin-bottom: 0.0001pt; text-indent: -0.25in; line-height: normal;">
<!--[if !supportLists]--><span
style="font-family: Symbol; color: black;"><span style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span style="color: black;">Adds
integrated Visual Studio support (IronPython Tools for Visual Studio)<o:p></o:p></span></p>
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style="margin-bottom: 0.0001pt; text-indent: -0.25in; line-height: normal;">
<!--[if !supportLists]--><span
style="font-family: Symbol; color: black;"><span style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span style="color: black;">Extends
CPython 2.7’s documentation with useful information pertaining to
IronPython<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="margin-bottom: 0.0001pt; text-indent: -0.25in; line-height: normal;">
<!--[if !supportLists]--><span
style="font-family: Symbol; color: black;"><span style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span style="color: black;">Adds
the mmap and signal modules<o:p></o:p></span></p>
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style="margin-bottom: 0.0001pt; text-indent: -0.25in; line-height: normal;">
<!--[if !supportLists]--><span
style="font-family: Symbol; color: black;"><span style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span style="color: black;">Includes
a number of performance updates and bug fixes<o:p></o:p></span></p>
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style="margin-bottom: 0.0001pt; text-indent: -0.25in; line-height: normal;">
<!--[if !supportLists]--><span
style="font-family: Symbol; color: black;"><span style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span style="color: black;">Switches
the license to Apache License, Version 2.0<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="margin-bottom: 0.0001pt; text-indent: -0.25in; line-height: normal;">
<!--[if !supportLists]--><span
style="font-family: Symbol; color: black;"><span style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span style="color: black;">Requires
.NET 4.0 and Silverlight 4.0<o:p></o:p></span></p>
<p class="MsoNormal"
style="margin-bottom: 0.0001pt; line-height: normal;">
<span style="color: black;"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height: normal;"><span
style="color: black;">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.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: normal;"><span
style="color: black;">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.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: normal;"><span
style="color: black;">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.
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: normal;"><span
style="color: black;">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.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: normal;"><span
style="color: black;">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.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: normal;">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.<span
style="color: rgb(31, 73, 125);"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: normal;">- The IronPython
Team<o:p></o:p></p>
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