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
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