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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/*-----------------------------------------------------------------------
The PyVTKNamespace was created in Nov 2014 by David Gobbi.
This is a PyModule subclass for wrapping C++ namespaces.
-----------------------------------------------------------------------*/
#include "PyVTKNamespace.h"
#include "vtkABINamespace.h"
#include "vtkPythonUtil.h"
// Silence warning like
// "dereferencing type-punned pointer will break strict-aliasing rules"
// it happens because this kind of expression: (long *)&ptr
#if defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wstrict-aliasing"
#endif
//------------------------------------------------------------------------------
static const char* PyVTKNamespace_Doc = "A python module that wraps a C++ namespace.\n";
//------------------------------------------------------------------------------
static void PyVTKNamespace_Delete(PyObject* op)
{
// remove from the map so that there is no dangling reference
vtkPythonUtil::RemoveNamespaceFromMap(op);
// call the superclass destructor
#if PY_VERSION_HEX >= 0x030A0000
PyTypeObject* type = Py_TYPE(op);
PyTypeObject* base = (PyTypeObject*)PyType_GetSlot(type, Py_tp_base);
if (base)
{
destructor dtor = (destructor)PyType_GetSlot(base, Py_tp_dealloc);
dtor(op);
}
#else
PyVTKNamespace_Type.tp_base->tp_dealloc(op);
#endif
}
#ifdef VTK_PYTHON_NEEDS_DEPRECATION_WARNING_SUPPRESSION
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
//------------------------------------------------------------------------------
// clang-format off
PyTypeObject PyVTKNamespace_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"vtkmodules.vtkCommonCore.namespace", // tp_name
0, // tp_basicsize
0, // tp_itemsize
PyVTKNamespace_Delete, // tp_dealloc
#if PY_VERSION_HEX >= 0x03080000
0, // tp_vectorcall_offset
#else
nullptr, // tp_print
#endif
nullptr, // tp_getattr
nullptr, // tp_setattr
nullptr, // tp_compare
nullptr, // tp_repr
nullptr, // tp_as_number
nullptr, // tp_as_sequence
nullptr, // tp_as_mapping
nullptr, // tp_hash
nullptr, // tp_call
nullptr, // tp_string
nullptr, // tp_getattro
nullptr, // tp_setattro
nullptr, // tp_as_buffer
Py_TPFLAGS_DEFAULT, // tp_flags
PyVTKNamespace_Doc, // tp_doc
nullptr, // tp_traverse
nullptr, // tp_clear
nullptr, // tp_richcompare
0, // tp_weaklistoffset
nullptr, // tp_iter
nullptr, // tp_iternext
nullptr, // tp_methods
nullptr, // tp_members
nullptr, // tp_getset
&PyModule_Type, // tp_base
nullptr, // tp_dict
nullptr, // tp_descr_get
nullptr, // tp_descr_set
0, // tp_dictoffset
nullptr, // tp_init
nullptr, // tp_alloc
nullptr, // tp_new
nullptr, // tp_free
nullptr, // tp_is_gc
nullptr, // tp_bases
nullptr, // tp_mro
nullptr, // tp_cache
nullptr, // tp_subclasses
nullptr, // tp_weaklist
VTK_WRAP_PYTHON_SUPPRESS_UNINITIALIZED };
// clang-format on
//------------------------------------------------------------------------------
PyObject* PyVTKNamespace_New(const char* name)
{
// first check to see if this namespace exists
PyObject* self = vtkPythonUtil::FindNamespace(name);
if (self)
{
Py_INCREF(self);
}
else
{
// make sure python has readied the type object
PyType_Ready(&PyVTKNamespace_Type);
// call the superclass new function
PyObject* empty = PyTuple_New(0);
self = PyVTKNamespace_Type.tp_base->tp_new(&PyVTKNamespace_Type, empty, nullptr);
Py_DECREF(empty);
// call the superclass init function
PyObject* pyname = PyUnicode_FromString(name);
PyObject* args = PyTuple_Pack(1, pyname);
Py_DECREF(pyname);
PyVTKNamespace_Type.tp_base->tp_init(self, args, nullptr);
Py_DECREF(args);
// remember the object for later reference
vtkPythonUtil::AddNamespaceToMap(self);
}
return self;
}
//------------------------------------------------------------------------------
PyObject* PyVTKNamespace_GetDict(PyObject* self)
{
return PyModule_GetDict(self);
}
//------------------------------------------------------------------------------
const char* PyVTKNamespace_GetName(PyObject* self)
{
return PyModule_GetName(self);
}
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