[Ironpython-users] Importing .NET Lib Error

Slide slide.o.mix at gmail.com
Mon Jul 11 21:48:25 CEST 2011

The next version of IP should have csv module support in it...I know that
doesn't help you NOW, but should in the future.If the DLL is in the DLLs
directory, you should be able to load by just using the clr.AddReference
method I believe.



On Mon, Jul 11, 2011 at 12:16 PM, Chris <phatfish at gmail.com> wrote:

> Hi all,
> Sorry im a .NET newbie so im going to ask here without really trying to fix
> this myself.
> I want to import a CSV lib, as explained here:
> http://www.ironpython.info/index.php/Reading_CSV_Files
> My code is this, im just testing the import works at the moment:
> import clr
> from System.Reflection import Assembly
> assembly_path = "C:\Program Files (x86)\IronPython
> 2.7\DLLs\LumenWorks.Framework.IO.dll"
> assembly = Assembly.LoadFile(assembly_path)
> clr.AddReference(assembly)
> I receive this error (im on Win7 with .NET4 installed):
> Running E:\Users\Chris\Documents\Visual Studio 2010\Projects\BACS18
> Converter\BACS18 Converter\Program.py
> Traceback (most recent call last):
>   File "c:\Program Files (x86)\Microsoft Visual Studio
> 10.0\Common7\IDE\Extensions\Microsoft\Python Tools for Visual
> Studio\1.0\visualstudio_py_repl.py", line 358, in run_file_as_main
>     exec(code, self.exec_mod.__dict__, self.exec_mod.__dict__)
>   File "E:\Users\Chris\Documents\Visual Studio 2010\Projects\BACS18
> Converter\BACS18 Converter\Program.py", line 2, in <module>
>     import SPA
>   File "E:\Users\Chris\Documents\Visual Studio 2010\Projects\BACS18
> Converter\BACS18 Converter\SPA.py", line 4, in <module>
>     assembly = Assembly.LoadFile(assembly_path)
> SystemError: An attempt was made to load an assembly from a network
> location which would have caused the assembly to be sandboxed in previous
> versions of the .NET Framework. This release of the .NET Framework does not
> enable CAS policy by default, so this load may be dangerous. If this load is
> not intended to sandbox the assembly, please enable the
> loadFromRemoteSources switch. See
> http://go.microsoft.com/fwlink/?LinkId=155569 for more information.
> >>>
> Two questions:
> Is this the best way to be importing a .NET lib, that tutorial appears to
> have been written in 2007?
> If it is, how do i fix that error, im not loading from a network
> location..?
> Many thanks,
> Chris
> _______________________________________________
> Ironpython-users mailing list
> Ironpython-users at python.org
> http://mail.python.org/mailman/listinfo/ironpython-users

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