I think the binaries under: lib\Sl5 is compiled with SL4 as target and not with SL5, not sure but that may be the issue.
/Mattias 2012/4/19 Slide <slide.o....@gmail.com> > No, that is correct, SL5 does include the FEATURE_ASSEMBLY_LOCATION > property in the build, so you should be getting that code when you > disassemble. Can you check if there is anything in the InnerException when > you catch it? > > > On Thu, Apr 19, 2012 at 7:28 AM, Mattias Ahlenius < > matt...@goodsolutions.se> wrote: > >> Do I do something fundamentally wrong here... The below is what I get do >> a disasm on the SL5 assembly in the latest distribution (2.7.2.1) >> >> Greatful for any help I could get in the right direction. >> >> Best regards, >> >> Mattias >> >> >> 2012/4/18 Mattias Ahlenius <matt...@goodsolutions.se> >> >>> >>> I get the following when I make a disam in Reflector, the exception >>> (System.MethodAccessException) that I'm getting is not subclassing neither >>> SecurityException or ArgumentException which is catched and handled. >>> >>> >>> *private static string >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.String> >>> GetPrefix >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://IronPython:2.7.1300.40:7f709c5b713576e1/IronPython.Modules.SysModule/GetPrefix():String>() >>> { >>> try >>> { >>> return Path >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.IO.Path>.GetDirectoryName >>> >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.IO.Path/GetDirectoryName(String):String>(Assembly >>> >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.Reflection.Assembly>.GetExecutingAssembly >>> >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.Reflection.Assembly/GetExecutingAssembly():System.Reflection.Assembly>().Location >>> >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:4.0.0.0:b77a5c561934e089/System.Reflection.Assembly/property:Location:String>); >>> } >>> catch (SecurityException >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.Security.SecurityException>) >>> { >>> return string >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.String>.Empty >>> >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.String/Empty>; >>> } >>> catch (ArgumentException >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.ArgumentException>) >>> { >>> return string >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.String>.Empty >>> >>> <http://www.aisto.com/roeder/dotnet/Default.aspx?Target=code://mscorlib:5.0.5.0:7cec85d7bea7798e/System.String/Empty>; >>> } >>> }* >>> >>> **/Mattias >>> * >>> * >>> >>> 2012/4/18 Slide <slide.o....@gmail.com> >>> >>>> This really sounds like the assemblies you are referencing are not >>>> really the SL assemblies, can you open the assembly in ILSpy and decompile >>>> GetPrefix and see what you have? >>>> >>>> slide >>>> >>>> >>>> On Wed, Apr 18, 2012 at 1:44 PM, Mattias Ahlenius < >>>> matt...@goodsolutions.se> wrote: >>>> >>>>> Same exception even if I use the 2.7.2.1 bins: (I support you mean >>>>> 2.7.. and not 2.5..) >>>>> >>>>> Message: Failed to load language 'IronPython 2.7.2.1': The type >>>>> initializer for 'IronPython.Modules.SysModule' threw an exception. >>>>> >>>>> InnerException: >>>>> >>>>> "Attempt by security transparent method >>>>> 'IronPython.Modules.SysModule.GetPrefix()' to access security critical >>>>> method 'System.Reflection.Assembly.get_Location()' failed." >>>>> >>>>> /Mattias >>>>> >>>>> 2012/4/18 Slide <slide.o....@gmail.com> >>>>> >>>>>> Please make sure you have 2.5.2.1 and not just 2.5.2. >>>>>> >>>>>> On Wed, Apr 18, 2012 at 12:16 PM, Mattias Ahlenius >>>>>> <matt...@goodsolutions.se> wrote: >>>>>> > Thanks for your quick reply Keith, >>>>>> > >>>>>> > Tried you code and I still get the same Exception: >>>>>> > >>>>>> > "Attempt by security transparent method >>>>>> > 'IronPython.Modules.SysModule.GetPrefix()' to access security >>>>>> critical >>>>>> > method 'System.Reflection.Assembly.get_Location()' failed." >>>>>> > >>>>>> > /Mattias >>>>>> > >>>>>> > >>>>>> > >>>>>> > 2012/4/18 Keith Rome <r...@wintellect.com> >>>>>> >> >>>>>> >> Does this not work for you? >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> using IronPython.Hosting; >>>>>> >> >>>>>> >> // ... >>>>>> >> >>>>>> >> _python = Python.CreateEngine(); >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> I believe that should handle the simple/typical scenarios, unless >>>>>> you need >>>>>> >> to alter the environment (such as plugging in a custom Host/PAL). >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> If you need to customize the environment, then this should work: >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> var options = new Dictionary<string, object>(); >>>>>> >> >>>>>> >> ScriptRuntimeSetup setup = Python.CreateRuntimeSetup(options); >>>>>> >> >>>>>> >> _runtime = new ScriptRuntime(setup); >>>>>> >> >>>>>> >> _python = Python.GetEngine(_runtime); >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> This code should work exactly the same on desktop CLR and >>>>>> Silverlight. >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> Keith Rome >>>>>> >> >>>>>> >> Senior Consultant and Architect >>>>>> >> >>>>>> >> MCPD-EAD, MCSD, MCDBA, MCTS-WPF, MCTS-TFS, MCTS-WSS >>>>>> >> >>>>>> >> Wintellect | 770.617.4016 | kr...@wintellect.com >>>>>> >> >>>>>> >> www.wintellect.com >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> From: ironpython-users-bounces+rome=wintellect....@python.org >>>>>> >> [mailto:ironpython-users-bounces+rome=wintellect....@python.org] >>>>>> On Behalf >>>>>> >> Of Mattias Ahlenius >>>>>> >> Sent: Wednesday, April 18, 2012 2:41 PM >>>>>> >> To: ironpython-users@python.org >>>>>> >> Subject: [Ironpython-users] Problem with embedding IronPython into >>>>>> >> Silverlight Application >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> Hi, >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> I'm new to scripting and would like to add support for IronPython >>>>>> to our >>>>>> >> Silverlight application, I have tried to find an answer on the net >>>>>> but could >>>>>> >> not find anyone else facing the same problem. The app is an out of >>>>>> browser >>>>>> >> application. >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> I've added the latest release (2.7.2) from nuget, checked that the >>>>>> >> binaries being used is from the SL5 >>>>>> libs-catalog: IronPython.2.7.2\lib\Sl5 >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> The code I use to create the scripting engine is the following: >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> .. >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> _runtime = new >>>>>> ScriptRuntime(DynamicEngine.CreateRuntimeSetup(true)); >>>>>> >> >>>>>> >> _python = _runtime.GetEngine("py"); >>>>>> >> >>>>>> >> .. >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> When GetEngine is executed I'll the following secutiry exception: >>>>>> >> >>>>>> >> "{System.MethodAccessException: Attempt by security transparent >>>>>> method >>>>>> >> 'IronPython.Modules.SysModule.GetPrefix()' to access security >>>>>> critical >>>>>> >> method 'System.Reflection.Assembly.get_Location()' failed. >>>>>> >> >>>>>> >> at IronPython.Modules.SysModule.GetPrefix() >>>>>> >> >>>>>> >> at IronPython.Modules.SysModule..cctor()}" >>>>>> >> >>>>>> >> When checking the code at GitHub for the method: GetPrefix() >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> There are code checking a compiler-constant that seems to be if you >>>>>> >> running in "silverlight" (don't have diskaccess to the libs), but >>>>>> the code >>>>>> >> seems to be executed anyway, which makes me wonder if I still >>>>>> doesn't use >>>>>> >> the correct libs for Silverlight. >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> Would really appreciate if someone could point me in the right >>>>>> direction. >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> Have a nice day! >>>>>> >> >>>>>> >> -- >>>>>> >> >>>>>> >> Best regards, >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> Mattias Ahlenius >>>>>> >> >>>>>> >> 031 - 788 19 25 >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> Good Solutions AB >>>>>> >> >>>>>> >> http://www.goodsolutions.se >>>>>> >> >>>>>> >> >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > -- >>>>>> > >>>>>> > Med vänlig hälsning, >>>>>> > >>>>>> > Mattias Ahlenius >>>>>> > 031 - 788 19 25 >>>>>> > >>>>>> > Good Solutions AB >>>>>> > http://www.goodsolutions.se >>>>>> > >>>>>> > >>>>>> > _______________________________________________ >>>>>> > Ironpython-users mailing list >>>>>> > Ironpython-users@python.org >>>>>> > http://mail.python.org/mailman/listinfo/ironpython-users >>>>>> > >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Website: http://earl-of-code.com >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> Med vänlig hälsning, >>>>> >>>>> Mattias Ahlenius >>>>> 031 - 788 19 25 >>>>> >>>>> Good Solutions AB >>>>> http://www.goodsolutions.se >>>>> >>>>> >>>> >>>> >>>> -- >>>> Website: http://earl-of-code.com >>>> >>> >>> >>> >>> -- >>> >>> Med vänlig hälsning, >>> >>> Mattias Ahlenius >>> 031 - 788 19 25 >>> >>> Good Solutions AB >>> http://www.goodsolutions.se >>> >>> >> >> >> -- >> >> Med vänlig hälsning, >> >> Mattias Ahlenius >> 031 - 788 19 25 >> >> Good Solutions AB >> http://www.goodsolutions.se >> >> > > > -- > Website: http://earl-of-code.com > -- Med vänlig hälsning, Mattias Ahlenius 031 - 788 19 25 Good Solutions AB http://www.goodsolutions.se
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