using System;
using IronPython.Hosting;
using Microsoft.Scripting;
using Microsoft.Scripting.Hosting;

namespace IronPythonTest
{
    class Program
    {
        static void Main(string[] args)
        {
            ScriptEngine engine = Python.CreateEngine();

            string code = @"
import System
print System.Int32(5) #OK

gen = (System.Int32(i) for i in range(1,10))
for x in gen:
    print x
            ";

            ScriptSource source = engine.CreateScriptSourceFromString(code, SourceCodeKind.AutoDetect);
            CompiledCode compiledCode = source.Compile();

            try
            {
                compiledCode.Execute(engine.CreateScope()); // IronPython.Runtime.UnboundNameException
            }
            catch (System.Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }

            try
            {
                compiledCode.Execute(); //OK
            }
            catch (System.Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }

            Console.ReadLine();
        }

    }
}