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c#python.netironpython
Malongow
Malongow

Reputation: 31

Import issue with IronPython and Visual Studio 2015

I want to integrate IronPython in my .NET C# Library but I have always the following exception

Additional information: No module named 'modulename'

In my C# library project, I've installed the following IronPython NuGet

Install-Package IronPython

Install-Package IronPython.StdLib

Python simple code (getLogScaledPNG.py):

import numpy as np    
import matplotlib.pyplot as plt

def getLogScaledPNG(filename):      
        data = plt.imread(filename);    
        data[data == 0.] = np.nan;      
        logdata = np.log(data);         
        plt.imsave("logimage.png", logdata, cmap="gray");
        print 'Scaled Image Saved'

C# code:

using IronPython.Hosting;

var ipy = Python.CreateRuntime();

dynamic getLogScaledPNG = ipy.UseFile(@".\PythonScripts\getLogScaledPNG.py");
getLogScaledPNG.getLogScaledPNG("toto.png");

When I execute this C# code, I've got the following Exception:

Additional information: No module named numpy

I don't understand where and how can I add this module ? I just have the reference to the IronPython DLLs in my .NET project and I haven't got any folders where I can add this module

Upvotes: 3

Views: 760

Answers (1)

Dzenis Zigo
Dzenis Zigo

Reputation: 323

In addition to the IronPython DLLs, you need Python standard library scripts.

Download IronPython.StdLib.2.7.8.zip, extract everything to a folder

And add this to your code:

ScriptEngine engine = Python.CreateEngine();

var searchPaths = engine.GetSearchPaths();
searchPaths.Add(@"C:\yourLibFolder");

engine.SetSearchPaths(searchPaths);

Upvotes: 1

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