The problem is probably caused by assembly load (IronRuby/DLR assemblies are loaded in a different context).
To fix this you can install IronPython and IronRuby to GAC. Using gacutil tool (http://msdn.microsoft.com/en-us/library/ex0ss12c(VS.80).aspx) from elevated command line gacutil /i IronPython.dll gacutil /i IronPython.Modules.dll gacutil /i IronRuby.dll gacutil /i IronRuby.Libraries.dll gacutil /i IronRuby.Libraries.YAML.dll gacutil /i Microsoft.Dynamic.dll gacutil /i Microsoft.Scripting.Debugging.dll gacutil /i Microsoft.Scripting.dll Then you can use clr.AddReference("IronRuby") Tomas From: users-boun...@lists.ironpython.com [mailto:users-boun...@lists.ironpython.com] On Behalf Of Dino Viehland Sent: Friday, April 16, 2010 3:12 PM To: Discussion of IronPython Subject: Re: [IronPython] IronPython code to call IronRuby fails; equivalent? C# code works Is this IronPython 2.6.1 and IronRuby 1.0? From: users-boun...@lists.ironpython.com [mailto:users-boun...@lists.ironpython.com] On Behalf Of john.caw...@rkeng.com Sent: Friday, April 16, 2010 2:20 PM To: Users@lists.ironpython.com Subject: [IronPython] IronPython code to call IronRuby fails; equivalent? C# code works I'm at the beginning stages of calling IronRuby from IronPython, but am having difficulty creating the ruby engine. This code works from C# in VS2008: // with referenced assemblies IronRuby, IronRuby.Libraries, IronRuby.Libraries.YAML, Microsoft.Scripting, // Microsoft.Scripting.Core from the IronRuby bin\ directory var engine = IronRuby.Ruby.CreateEngine(); String s = engine.ToString(); MessageBox.Show( s, "test"); // successfully returns "Microsoft.Scripting.Hosting.ScriptEngine" Trying to do the identical logic with this IronPython code: import clr, sys clr.AddReferenceToFileAndPath( "C:/Apps/IronRuby/bin/IronRuby.dll" ) # after initially failed, tried adding specific path to IronRuby DLLs ... clr.AddReferenceToFileAndPath( "C:/Apps/IronRuby/bin/IronRuby.Libraries.dll" ) clr.AddReferenceToFileAndPath( "C:/Apps/IronRuby/bin/IronRuby.Libraries.YAML.dll" ) clr.AddReferenceToFileAndPath( "C:/Apps/IronRuby/bin/Microsoft.Scripting.dll" ) clr.AddReferenceToFileAndPath( "C:/Apps/IronRuby/bin/Microsoft.Scripting.Core.dll" ) import IronRuby for r in clr.References: print "ref", r # to verify I have the correct assemblies loaded print "" print "fence 0" engine = IronRuby.Ruby.CreateEngine() # fails here print "fence 1" print engine This gives this output: ref mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 ref System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 ref IronRuby, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 ref IronRuby.Libraries, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 ref IronRuby.Libraries.Yaml, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 ref Microsoft.Scripting, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 ref Microsoft.Scripting.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 fence 0 Traceback (most recent call last): StandardError: Failed to load language 'IronRuby': Could not load type 'Microsoft.Scripting.Interpreter.ILightCallSiteBinder' from assembly 'Microsoft.Dynamic, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. I also added a reference to IronRuby's version of the Microsoft.Dynamic.dll, but it still failed similarly. The logic I'm trying to execute is brief enough that there shouldn't be much that could go wrong, but ... Thanks in advance for any insights! --John
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