added python3.13t (free threading) support

.ccls

@@ -1,4 +1,4 @@
 clang
 -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include
 -I/Users/nik/.pyenv/versions/convtools-3.10/include
--I/Users/nik/.pyenv/versions/3.10.9/include/python3.10
+-I/Users/nik/.pyenv/versions/3.10.14/include/python3.10

Makefile

@@ -2,7 +2,9 @@
 
 
 install:
-	poetry install --with=test,lint,docs
+	find src/convtools -type f -name "*.so" -delete
+	pip install -e .
+	ls -la src/convtools
 
 dynamic_docs_examples:
 	python build-docs-examples.py

docs/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.14.1 (2024-09-01)
+
+- python 3.13t (free threading) support
+
 ## 1.14.0 (2024-09-01)
 
 - added `c.unordered_chunk_by`

pyproject.toml

@@ -57,9 +57,6 @@ lint = [
     "mypy",
     "pylint",
 ]
-build = [
-    "hatch",
-]
 doc = [
     "markdown-include",
     "mdx-truly-sane-lists",

setup.cfg

@@ -11,7 +11,3 @@ install_requires =
 
 [options.packages.find]
 where=src
-
-[bdist_wheel]
-py_limited_api = cp310
-

setup.py

@@ -5,6 +5,15 @@
 
 
 ext_modules = []
+setup_kwargs = {}
+ext_kwargs = {}
+is_free_threading = "t" in sys.abiflags
+
+if not is_free_threading:
+    ext_kwargs["py_limited_api"] = True
+    ext_kwargs["define_macros"] = [("Py_LIMITED_API", 0x03A00000)]
+    opts = setup_kwargs.setdefault("options", {})
+    opts["bdist_wheel"] = {"py_limited_api": "cp310"}
 
 if (
     sys.implementation.name == "cpython"
@@ -13,17 +22,17 @@
 ):
     ext_modules.append(
         Extension(
-            name="convtools._cext",  # as it would be imported
-            sources=[
-                "src/convtools/c_extensions/getters.c"
-            ],  # all sources are compiled into a single binary file
+            name="convtools._cext",
+            sources=["src/convtools/c_extensions/getters.c"],
             optional=True,
-            py_limited_api=True,
             extra_compile_args=["-w"],
+            **ext_kwargs,
         )
     )
 
+
 setup(
     ext_modules=ext_modules,
     packages=find_packages("src", exclude=["tests"]),
+    **setup_kwargs,
 )

src/convtools/__init__.py

@@ -4,4 +4,4 @@
 from ._dt import DateGrid, DateTimeGrid
 
 
-__version__ = "1.14.0"
+__version__ = "1.14.1"

src/convtools/c_extensions/getters.c

@@ -1,4 +1,3 @@
-#define Py_LIMITED_API 0x03A00000
 #define PY_SSIZE_T_CLEAN /* Make "s#" use Py_ssize_t rather than int. */
 #include <Python.h>
 
@@ -140,7 +139,7 @@ static PyObject *get_attr_deep_default_callable(PyObject *self,
     }
 }
 
-static PyMethodDef CExtMethods[] = {
+static PyMethodDef cext_methods[] = {
     {"get_item_deep_default_simple", (PyCFunction)get_item_deep_default_simple,
      METH_FASTCALL, "c-level fail-safe __getitem__ with default"},
     {"get_item_deep_default_callable",
@@ -155,13 +154,24 @@ static PyMethodDef CExtMethods[] = {
     {NULL, NULL, 0, NULL} /* Sentinel */
 };
 static struct PyModuleDef cext_module = {
-    PyModuleDef_HEAD_INIT, "_cext", /* name of module */
-    NULL,                           /* module documentation, may be NULL */
-    -1, /* size of per-interpreter state of the module,
-           or -1 if the module keeps state in global variables. */
-    CExtMethods};
+    PyModuleDef_HEAD_INIT,
+    "_cext", /* name of module */
+    NULL,    /* module documentation, may be NULL */
+    -1,      /* size of per-interpreter state of the module,
+                or -1 if the module keeps state in global variables. */
+    cext_methods,
+};
 
-PyMODINIT_FUNC PyInit__cext(void) { return PyModule_Create(&cext_module); };
+PyMODINIT_FUNC PyInit__cext(void) {
+    PyObject *module = PyModule_Create(&cext_module);
+    if (module == NULL) {
+        return NULL;
+    }
+#ifdef Py_GIL_DISABLED
+    PyUnstable_Module_SetGIL(module, Py_MOD_GIL_NOT_USED);
+#endif
+    return module;
+};
 
 // PySys_WriteStdout(PyUnicode_AsUTF8AndSize(PyObject_Repr(config), NULL));
 // PySys_WriteStdout("DBG2 ref count: %i\n", (int)context->tuple->ob_refcnt);