public static string CallEchoString2(string arg)
{
IntPtr gs = PythonEngine.AcquireLock();
try
{
if (module == null)
{
module = PythonEngine.ModuleFromString("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);
}
finally
{
PythonEngine.ReleaseLock(gs);
}
}
private void DisposePythonObject()
{
//Pythonnet added a check on refcount and when RefCount==1 sometimes throws a Memory access violation error from Python engine, validation that was not in previous pythonnet versions
//
if (PyObject?.Refcount != 1)
{
PyObject?.Dispose();
}
PyObject = null;
}
public void ImportClassShutdownRefcount()
{
PythonEngine.Initialize();
PyObject ns = Py.Import(typeof(ImportClassShutdownRefcountClass).Namespace);
PyObject cls = ns.GetAttr(nameof(ImportClassShutdownRefcountClass));
ns.Dispose();
Assert.Less(cls.Refcount, 256);
PythonEngine.Shutdown();
Assert.Greater(cls.Refcount, 0);
}
/// <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 void ImportClassShutdownRefcount()
{
PythonEngine.Initialize();
PyObject ns = Py.Import(typeof(ImportClassShutdownRefcountClass).Namespace);
PyObject cls = ns.GetAttr(nameof(ImportClassShutdownRefcountClass));
BorrowedReference clsRef = cls.Reference;
#pragma warning disable CS0618 // Type or member is obsolete
cls.Leak();
#pragma warning restore CS0618 // Type or member is obsolete
ns.Dispose();
Assert.Less(Runtime.Runtime.Refcount32(clsRef), 256);
PythonEngine.Shutdown();
Assert.Greater(Runtime.Runtime.Refcount32(clsRef), 0);
}
public IEnumerator <T> GetEnumerator()
{
PyObject iterObject = null;
using (Py.GIL())
iterObject = new PyObject(Runtime.PyObject_GetIter(pyObject.Handle));
while (true)
{
using (Py.GIL())
{
var item = Runtime.PyIter_Next(iterObject.Handle);
if (item == IntPtr.Zero)
{
Runtime.CheckExceptionOccurred();
iterObject.Dispose();
break;
}
yield return((T) new PyObject(item).AsManagedObject(typeof(T)));
}
}
}
public void Dispose()
{
self?.Dispose();
}
public void Dispose()
{
threading.Dispose();
PythonEngine.Shutdown();
}
public void Dispose()
{
PyErr.Dispose();
}
public static void AppendRecycle(PyList list, PyObject obj)
{
list.Append(obj);
obj.Dispose();
}
private void DisposePythonObject()
{
PyObject?.Dispose();
PyObject = null;
}
public void Dispose()
{
_pobj?.Dispose();
}
