[IronPython] Announcing IronPython 2.0 Beta3

Giles Thomas giles.thomas at resolversystems.com
Mon Jun 16 07:20:13 PDT 2008


Congratulations, guys!  We'll build Resolver One against it and let you 
know what breaks :-)


Regards,

Giles


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
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>   


-- 
Giles Thomas
MD & CTO, Resolver Systems Ltd.
giles.thomas at resolversystems.com
+44 (0) 20 7253 6372

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