public ExtensionType()
{
// Create a new PyObject whose type is a generated type that is
// implemented by the particular concrete ExtensionType subclass.
// The Python instance object is related to an instance of a
// particular concrete subclass with a hidden CLR gchandle.
BorrowedReference tp = TypeManager.GetTypeReference(GetType());
//int rc = (int)Marshal.ReadIntPtr(tp, TypeOffset.ob_refcnt);
//if (rc > 1050)
//{
// DebugUtil.Print("tp is: ", tp);
// DebugUtil.DumpType(tp);
//}
NewReference py = Runtime.PyType_GenericAlloc(tp, 0);
// Borrowed reference. Valid as long as pyHandle is valid.
tpHandle = tp.DangerousGetAddress();
pyHandle = py.DangerousMoveToPointer();
#if DEBUG
GetGCHandle(ObjectReference, TypeReference, out var existing);
System.Diagnostics.Debug.Assert(existing == IntPtr.Zero);
#endif
SetupGc();
}
/// <summary>
/// Constructor
/// </summary>
/// <remarks>
/// Create a scope based on a Python Module.
/// </remarks>
internal PyScope(ref NewReference ptr, PyScopeManager manager)
{
if (!Runtime.PyType_IsSubtype(Runtime.PyObject_TYPE(ptr), Runtime.PyModuleType))
{
throw new PyScopeException("object is not a module");
}
Manager = manager ?? PyScopeManager.Global;
obj = ptr.DangerousMoveToPointer();
//Refcount of the variables not increase
variables = Runtime.PyModule_GetDict(Reference).DangerousGetAddress();
PythonException.ThrowIfIsNull(variables);
int res = Runtime.PyDict_SetItem(
VarsRef, PyIdentifier.__builtins__,
Runtime.PyEval_GetBuiltins()
);
PythonException.ThrowIfIsNotZero(res);
this.Name = this.Get <string>("__name__");
}
/// <summary>Create a scope based on a Python Module.</summary>
internal PyScope(ref NewReference reference, PyScopeManager manager)
: this(reference.DangerousMoveToPointer(), manager)
{
}