using System;

using System.IO;

using Numpy;

namespace CustomInstallLocationExample

{

class Program

{

static void Main(string[] args)

{

// ================================================

// This example demonstrates how to install Python and Numpy from the assembly's resources

// (build action 'Embedded resource') into a custom location (here the local execution directory ".")

// and then use Numpy.Bare with that installation.

// ================================================

// set the installation source to be the embedded python zip from our resources

Python.Deployment.Installer.Source = new Python.Deployment.Installer.EmbeddedResourceInstallationSource()

{

Assembly = typeof(Program).Assembly,

ResourceName = "python-3.7.3-embed-amd64.zip",

};

// install in local directory. if you don't set it will install in local app data of your user account

Python.Deployment.Installer.InstallPath = Path.GetFullPath(".");

// see what the installer is doing

Python.Deployment.Installer.LogMessage += Console.WriteLine;

// install from the given source

Python.Deployment.Installer.SetupPython(force: false).Wait();

Python.Deployment.Installer.InstallWheel(typeof(Program).Assembly,

"numpy-1.16.3-cp37-cp37m-win_amd64.whl").Wait();

// if the installation is local, you don't even need to set the path

//Environment.SetEnvironmentVariable("PATH", Path.GetFullPath(@"./python-3.7.3-embed-amd64"), EnvironmentVariableTarget.Process);

// Now use Numpy.Bare

var a = np.arange(10);

Console.WriteLine("a: "+ a.repr);

var b = np.arange(10)["::-1"];

Console.WriteLine("b: " + b.repr);

var a_x_b = np.matmul(a, b);

Console.WriteLine("a x b: " + a_x_b.repr);

}

}

}