[Python.NET] import clr_2, import clr_4 vs import clr

[Brad Friedman]

Silly question: isn't a .net 2.0 assembly backwards compatible with a .net 4.0 runtime?  Why do you actually need to run a physically separate runtime?  What is breaking?

On Mar 22, 2012, at 4:27 PM, "Liam Corrigan" <Liam.Corrigan at allenvanguard.com> wrote:

> Hi guys,
> I’ve been using python .NET 2.0 in python 2.7.2 successfully for some time now and have also used the .NET 4.0 version, but of course I need to replace the clr.pyd and Python.Runtime.dll with the .NET 4.0 versions.
> Although most of my 2.0 libs work over the 4.0 version, there is one in house library targeted against .NET 2.0 that will not, without some awkward hacks.
> I need to be able to call into libraries written against both .NET 2.0 and 4.0, as separated calls - ideally, I’d like to have things such that I can operate in a python script something like this:
>  
> import clr_2
> import clr_4
>  
> clr_2.AddReference("MyDOTNET_2.0_BasedLib")
> clr_4.AddReference("MyDOTNET_4.0_BasedLib")
>  
>  
> Are there any settings in the source build that I can do, to kick out two separate clr.pyd and Python.Runtime.dll’s with new names and matching .NET version support?
>  
>  
> Liam Corrigan
>  
>  
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