Importing .NET DLL to Python or R

Asked Dec 22 '17 at 19:37

Active Dec 22 '17 at 19:37

Viewed 305 times

I have a .NET DLL and a sample code in Matlab, which uses this DLL and works. The Matlab code which imports the DLL is

    function ReaderLib = ReaderInitialize(dllPath)
          netObj = NET.addAssembly(dllPath);
          ReaderLib =  System.Activator.CreateInstance(netObj.AssemblyHandle.GetType('lib.ReaderDotNet'));
    end

This function returns the object which exposes all functions of the DLL.

I need to use this DLL in existing Python and/or R code, but I was not able to make it work.

In Python I tried

    import ctypes
    DllObj = ctypes.WinDLL (dllPath)

In R I tried

DllObj <- dyn.load(dllPath)

In both cases I obtain more or less empty objects, so I assume I am not doing it right. What is the correct way to import this DLL in Python and/or R?

asked Dec 22 '17 at 19:37

Sasha

5,783
8
33
37

Have you considered this? https://stackoverflow.com/questions/17723321/can-i-load-a-third-party-dll-in-r – Roman Luštrik Dec 22 '17 at 19:57
I understand that R have specific requirements for how DLL should be built, so it may not be possible to import this DLL into R. What about Python? Is there a similar functionality in Python as in the Matlab example? – Sasha Dec 22 '17 at 20:21
What do you mean by "*more or less empty objects*" ? – cdarke Dec 22 '17 at 20:24
I am getting objects that only have some metadata like the name of the DLL and few other values, but there are no exposed functions. – Sasha Dec 22 '17 at 21:43
R or Python. Please pick one. – David Heffernan Dec 23 '17 at 05:35
@DavidHeffernan I believe it's a long shot for this to work in R, so I guess Python... :) – Roman Luštrik Dec 23 '17 at 16:28

Importing .NET DLL to Python or R

0 Answers0