| 1 | #pragma once |
| 2 | |
| 3 | #include <Python.h> |
| 4 | |
| 5 | #define _CONCAT(A, B) A##B |
| 6 | #define CONCAT(A, B) _CONCAT(A, B) |
| 7 | |
| 8 | #define _STRINGIFY(A) #A |
| 9 | #define STRINGIFY(A) _STRINGIFY(A) |
| 10 | |
| 11 | // A version of the TORCH_LIBRARY macro that expands the NAME, i.e. so NAME |
| 12 | // could be a macro instead of a literal token. |
| 13 | #define TORCH_LIBRARY_EXPAND(NAME, MODULE) TORCH_LIBRARY(NAME, MODULE) |
| 14 | |
| 15 | // A version of the TORCH_LIBRARY_IMPL macro that expands the NAME, i.e. so NAME |
| 16 | // could be a macro instead of a literal token. |
| 17 | #define TORCH_LIBRARY_IMPL_EXPAND(NAME, DEVICE, MODULE) \ |
| 18 | TORCH_LIBRARY_IMPL(NAME, DEVICE, MODULE) |
| 19 | |
| 20 | // REGISTER_EXTENSION allows the shared library to be loaded and initialized |
| 21 | // via python's import statement. |
| 22 | #define REGISTER_EXTENSION(NAME) \ |
| 23 | PyMODINIT_FUNC CONCAT(PyInit_, NAME)() { \ |
| 24 | static struct PyModuleDef module = {PyModuleDef_HEAD_INIT, \ |
| 25 | STRINGIFY(NAME), nullptr, 0, nullptr}; \ |
| 26 | return PyModule_Create(&module); \ |
| 27 | } |