[IronPython] System, Version

Rainer Worbis r.worbis at cubido.at
Wed Jun 11 06:51:22 CEST 2008


Is there an 'easy' to use package which includes IronPython, Ruby and JScript for use with desktop applications - or an documentation how to compile these things from an silverlight distributation?


-----Ursprüngliche Nachricht-----
Von: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] Im Auftrag von Srivatsn Narayanan
Gesendet: Mittwoch, 11. Juni 2008 00:54
An: Discussion of IronPython
Betreff: Re: [IronPython] System, Version

The DSL package has the languages and DLR sources compiled against the silverlight CLR. The sources need to be compiled against the desktop CLR for it to work with For the latest desktop IronPython you'd need to wait for IronPython beta 3 coming very soon.

-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Ben Hall
Sent: Tuesday, June 10, 2008 3:49 PM
To: Discussion of IronPython
Subject: [IronPython] System, Version


I have just downloaded and upgraded my WinForms application to use the
latest Dynamic Languages for Silverlight Beta 2.  I think I must be
confused, but the two DLR assemblies (Microsoft.Scripting.Core,
Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35 and
Microsoft.Scripting, Version=, Culture=neutral,
PublicKeyToken=31bf3856ad364e35) both reference System, Version - the one shipped with Silverlight and not System, Version as shipped with IronPython Beta 2.

I expected the DLR assemblies to work in both WinForms and Silverlight.

As such, when I try and execute IronPython code, I get the following exception.

Unhandled Exception System.IO.FileNotFoundException: Could not load
file or assembly 'System, Version=, Culture=neutral,
PublicKeyToken=7cec85d7bea7798e' or one of its dependencies. The
system cannot find the file specified.
File name: 'System, Version=, Culture=neutral,
   at IronPython.Compiler.Parser.Reset(SourceUnit sourceUnit,
PythonLanguageFeatures languageFeatures)
   at IronPython.Compiler.Parser..ctor(Tokenizer tokenizer, ErrorSink
errorSink, ParserSink parserSink, PythonLanguageFeatures
   at IronPython.Compiler.Parser.CreateParser(CompilerContext context,
PythonEngineOptions options, Boolean verbatim)
   at IronPython.Compiler.Parser.CreateParser(CompilerContext context,
PythonEngineOptions options)
   at IronPython.Runtime.PythonContext.ParseSourceCode(CompilerContext context)
   at Microsoft.Scripting.SourceUnit.Parse(CompilerOptions options,
ErrorSink errorSink)
   at Microsoft.Scripting.SourceUnit.Compile(CompilerOptions options,
ErrorSink errorSink)
   at Microsoft.Scripting.SourceUnit.Execute(Scope scope, ErrorSink errorSink)
   at Microsoft.Scripting.SourceUnit.Execute(Scope scope)
   at Microsoft.Scripting.Hosting.ScriptScope.Execute(String code)
   at DLRHost.Engine.ScriptExecutor.ExecuteStatement(String code) in
E:\Source Control\DLRHost\trunk\src\DLRHost.Engine\ScriptExecutor.cs:line

If someone could explain this to me, that would be great!


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