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
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