using System;
using Python.Runtime;

namespace Python.Test
{
 /// <summary>
 /// Supports CLR threading / reentrant unit tests.
 /// </summary>
 public class ThreadTest
 {
 private static PyObject module;

 private static string testmod =
 "import clr\n" +
 "from Python.Test import ThreadTest\n" +
 "\n" +
 "def echostring(value):\n" +
 " return value\n" +
 "\n" +
 "def echostring2(value):\n" +
 " return ThreadTest.CallEchoString(value)\n" +
 "\n";


 /// <summary>
 /// This method calls back into the CPython runtime - tests
 /// call this from Python to check that we don't hang on
 /// nested transitions from managed to Python code and back.
 /// </summary>
 public static string CallEchoString(string arg)
 {
 using (Py.GIL())
 {
 if (module == null)
 {
 module = PyModule.FromString("tt", testmod);
 }
 PyObject func = module.GetAttr("echostring");
 var parg = new PyString(arg);
 PyObject temp = func.Invoke(parg);
 var result = (string)temp.AsManagedObject(typeof(string));
 func.Dispose();
 parg.Dispose();
 temp.Dispose();
 return result;
 }
 }

 public static string CallEchoString2(string arg)
 {
 using (Py.GIL())
 {
 if (module == null)
 {
 module = PyModule.FromString("tt", testmod);
 }

 PyObject func = module.GetAttr("echostring2");
 var parg = new PyString(arg);
 PyObject temp = func.Invoke(parg);
 var result = (string)temp.AsManagedObject(typeof(string));
 func.Dispose();
 parg.Dispose();
 temp.Dispose();
 return result;
 }
 }
 }
}