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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkWrapPythonNumberProtocol.h"
#include <string.h>
/* Overrides __rshift__ operator for vtkAlgorithm and vtkDataObject */
int vtkWrapPython_GenerateNumberProtocolDefintions(FILE* fp, const ClassInfo* classInfo)
{
const int isVtkAlgorithm = strcmp("vtkAlgorithm", classInfo->Name) == 0;
const int isVtkDataObject = strcmp("vtkDataObject", classInfo->Name) == 0;
if (!(isVtkAlgorithm || isVtkDataObject))
{
return 0;
}
fprintf(fp,
"static PyNumberMethods Py%s_NumberMethods[] = {\n"
" {\n"
" nullptr, // nb_add\n"
" nullptr, // nb_subtract\n"
" nullptr, // nb_multiply\n"
" nullptr, // nb_remainder\n"
" nullptr, // nb_divmod\n"
" nullptr, // nb_power\n"
" nullptr, // nb_negative\n"
" nullptr, // nb_positive\n"
" nullptr, // nb_absolute\n"
" nullptr, // nb_bool\n"
" nullptr, // nb_invert\n"
" nullptr, // nb_lshift\n",
classInfo->Name);
// lhs >> rhs is equivalent to:
// def func(lhs: vtkDataObject, rhs: vtkAlgorithm):
// rhs.input_data_object = lhs
// return rhs
fprintf(fp,
" [](PyObject* lhs, PyObject* rhs) -> PyObject*\n"
" {\n"
" if(lhs == Py_None || (PySequence_Check(lhs) && PySequence_Size(lhs) == 0))\n"
" {\n"
" if (PyObject_HasAttrString(rhs, \"SetInputConnection\"))\n"
" {\n"
" PyObject* zero = PyLong_FromLong(0);\n"
" PyObject_CallMethod(rhs, \"RemoveAllInputConnections\", \"O\", zero);\n"
" Py_DECREF(zero);\n"
" Py_INCREF(rhs);\n"
" return rhs;\n"
" }\n"
" }\n"
" // Import the module\n"
" PyObject *moduleName = PyUnicode_DecodeFSDefault(\"vtkmodules.util.execution_model\");\n"
" PyObject *internalModule = PyImport_Import(moduleName);\n"
" Py_DECREF(moduleName);\n"
" PyObject *pipeline = nullptr;\n"
" if (internalModule != nullptr)\n"
" {\n"
" // Get the class from the module\n"
" PyObject *pipelineClass = PyObject_GetAttrString(internalModule, \"Pipeline\");\n"
" if (pipelineClass != nullptr)\n"
" {\n"
" // Create an instance of the class\n"
" auto args = PyTuple_Pack(2, lhs, rhs); // Pass any arguments required by your "
"constructor\n"
" pipeline = PyObject_CallObject(pipelineClass, args);\n"
" Py_XDECREF(args);\n"
" if (pipeline == nullptr)\n"
" {\n"
" return nullptr;\n"
" }\n"
" Py_DECREF(pipelineClass);\n"
" }\n"
" else\n"
" {\n"
" return nullptr;\n"
" }\n"
" Py_DECREF(internalModule);\n"
" }\n"
" else\n"
" {\n"
" return nullptr;\n"
" }\n"
" return pipeline;\n"
" }, // nb_rshift\n");
fprintf(fp,
" nullptr, // nb_and\n"
" nullptr, // nb_xor\n"
" nullptr, // nb_or\n"
" nullptr, // nb_int\n"
" nullptr, // nb_reserved;\n"
" nullptr, // nb_float\n"
" nullptr, // nb_inplace_add\n"
" nullptr, // nb_inplace_subtract\n"
" nullptr, // nb_inplace_multiply\n"
" nullptr, // nb_inplace_remainder\n"
" nullptr, // nb_inplace_power\n"
" nullptr, // nb_inplace_lshift\n"
" nullptr, // nb_inplace_rshift\n"
" nullptr, // nb_inplace_and\n"
" nullptr, // nb_inplace_xor\n"
" nullptr, // nb_inplace_or\n"
" nullptr, // nb_floor_divide\n"
" nullptr, // nb_true_divide\n"
" nullptr, // nb_inplace_floor_divide\n"
" nullptr, // nb_inplace_true_divide\n"
" nullptr, // nb_index\n"
" nullptr, // nb_matrix_multiply\n"
" nullptr, // nb_inplace_matrix_multiply\n"
" },\n"
" { // sentinel\n"
" nullptr, // nb_add\n"
" nullptr, // nb_subtract\n"
" nullptr, // nb_multiply\n"
" nullptr, // nb_remainder\n"
" nullptr, // nb_divmod\n"
" nullptr, // nb_power\n"
" nullptr, // nb_negative\n"
" nullptr, // nb_positive\n"
" nullptr, // nb_absolute\n"
" nullptr, // nb_bool\n"
" nullptr, // nb_invert\n"
" nullptr, // nb_lshift\n"
" nullptr, // nb_rshift\n"
" nullptr, // nb_and\n"
" nullptr, // nb_xor\n"
" nullptr, // nb_or\n"
" nullptr, // nb_int\n"
" nullptr, // nb_reserved;\n"
" nullptr, // nb_float\n"
" nullptr, // nb_inplace_add\n"
" nullptr, // nb_inplace_subtract\n"
" nullptr, // nb_inplace_multiply\n"
" nullptr, // nb_inplace_remainder\n"
" nullptr, // nb_inplace_power\n"
" nullptr, // nb_inplace_lshift\n"
" nullptr, // nb_inplace_rshift\n"
" nullptr, // nb_inplace_and\n"
" nullptr, // nb_inplace_xor\n"
" nullptr, // nb_inplace_or\n"
" nullptr, // nb_floor_divide\n"
" nullptr, // nb_true_divide\n"
" nullptr, // nb_inplace_floor_divide\n"
" nullptr, // nb_inplace_true_divide\n"
" nullptr, // nb_index\n"
" nullptr, // nb_matrix_multiply\n"
" nullptr, // nb_inplace_matrix_multiply\n"
" }\n"
"};\n");
return 1;
}
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