using System;

using System.Collections.Generic;

using System.Linq;

using System.Threading.Tasks;

using Microsoft.AspNetCore.Hosting;

using Microsoft.Extensions.Configuration;

using Microsoft.Extensions.Hosting;

using Microsoft.Extensions.Logging;

using Numpy;

using Python.Runtime;

namespace WebApiExample_netcore3._1

{

public class Program

{

public static void Main(string[] args)

{

// this call initializes numpy. it is necessary to do that before PythonEngine.BeginAllowThreads()

np.arange(1);

PythonEngine.BeginAllowThreads(); // <--- this is very important for a web server since all requests are on different threads

CreateHostBuilder(args).Build().Run();

}

public static IHostBuilder CreateHostBuilder(string[] args) =>

Host.CreateDefaultBuilder(args)

.ConfigureWebHostDefaults(webBuilder =>

{

webBuilder.UseStartup<Startup>();

});

}

}