[IronPython] Announcing IronPython 2.0 Beta3

Michael Foord fuzzyman at voidspace.org.uk
Sat Jun 14 03:51:29 PDT 2008


Hey guys.

Are the binaries for Silverlight in this release the *same* as the ones 
available in the Silverlight Dynamic Languages SDK - or are they more up 
to date?

Thanks

Michael Foord

Srivatsn Narayanan wrote:
>
> Hello IronPython Community,
>
> I’m pleased to announce IronPython 2.0 *Beta 3*. We have fixed around 
> 34 bugs in this release (~16 of them reported on Codeplex and ~18 
> reported internally). Apart from the bug fixes, this release contains 
> the following improvements:
>
> · We have worked on perf – specifically generators, exception 
> handling, and shootout perf have improved. We are aware of some 
> late-breaking degrades which we expect to fix by the next release.
>
> · An auto-templating feature has been added to the Dynamic Language 
> Runtime which should improve performance in highly dynamic scenarios.
>
> · cmath and _winreg modules have been implemented.
>
> There is a change in packaging this time. The Dynamic Silverlight 
> sources and binaries, compatible with Silverlight 2 Beta 2, are now 
> included in this release. This makes the package a single place to get 
> both the desktop and Silverlight versions of IronPython. The Visual 
> Studio solution file (IronPython.sln) has been updated to build under 
> “Silverlight Release” and “Silverlight Debug” configurations as well. 
> Please note that this requires Silverlight 2 Beta 2 to build properly.
>
> IronPython2005.sln is no longer part of the package as was mentioned 
> in the last beta release notes. This means that Visual Studio 
> 2008/.NET 3.5 is required to build IronPython.sln. Ofcourse 
> /toolsversion:2.0 flag can still be passed to msbuild and hence 
> IronPython can be built to run against .NET 2.0 runtime as well.
>
> The following codeplex workitems have been closed since IronPython 2.0 
> Beta 2:
>
> · nt.access is missing Closed Issue Medium Jun 2 at 7:24 PM
>
> · Trivial: throw WindowsError (with 'errno' of 17) when nt.mkdir 
> called on pre-existing directory
>
> · '_' is in the result of dir() after first expression evaluation
>
> · -X:MTA option not supported by IP 2.0A
>
> · expresion-1 if condition else expresion-2 working incorrectly
>
> · Python Parser class is internal
>
> · PythonType.HasGetAttribute property does not detect inherited 
> implementation.
>
> · _winreg is not implemented
>
> · SyntaxError(...).__dict__ is not a dict
>
> · Using 'with' statment with IDisposable .NET type doesn't work
>
> · IronPython forces objects in sys.meta_path to be new-style classes
>
> · imp.load_module("os", ...) broken
>
> · DUPLICATE: Run ipyw .exe ( Iron Python 2 Beta 2 )
>
> · REJECTED: Can't create & return nested function from CreateDelegate
>
> · id returns Int64 not int or long
>
> · Overriding properties has strange syntax
>
> We’d like to thank everyone in the community who reported these bugs: 
> py_sunil, jhardy, awilkins, oldman, and 05031972, Ronnie Maor, 
> Jonathan Amsterdam, sanxiyn, jackeyoo, Thane Plummer, Vizcayno 
> Tamparantan, Michael Foord, Alex Henderson
>
> We’ve also closed these bugs that were reported internally:
>
> · Trivial: Exception messages are not directed to sys.stderr
>
> · Python25: new exception hierarchy
>
> · when base class provide over one ctor function,IronPython can not 
> distinguish them just like Cpython do.
>
> · AttributeError: 'file' object has no attribute 'truncate'
>
> · ImportError: No module named xxsubtype
>
> · cmath module isn't implemented (complex arithmetic)
>
> · long("0X20",16) throws ValueError: invalid integer number literal
>
> · ImportError: No module named _winreg
>
> · dir(*()) returns something unexpected
>
> · "print a_super_object" throws TypeError
>
> · old style class constructed with an unpacked tuple containing a 
> single None barfs
>
> · DLR crashes with stack overflow when ironpython.dll is missing
>
> · Enable turning whole object models dynamic in IronPython
>
> · Trivial: There is no "_md5" module in IronPython2.0 when run the 
> file of test_hmac.py
>
> · TypeError: don't know how to disassemble code objects
>
> · sys.meta_path is not implemented
>
> · calling setattr got an error .
>
> · issubclass(Exception,object) return different result against 
> Ironpython and Cpython
>
> You can download IronPython 2.0 Beta 3 at: 
> http://www.codeplex.com/IronPython/Release/ProjectReleases.aspx?ReleaseId=12988
>
> The IronPython Team
>
> IMPORTANT NOTES
>
> ToyScript, a small scripting language built on top of the DLR, is 
> merely a DLR sample and not some new scripting language Microsoft has 
> created. Also, ToyScript is not intended to be distributed with 
> IronPython on a permanent basis.
>
> ------------------------------------------------------------------------
>
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> Users at lists.ironpython.com
> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>   


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