test builds on PyPy 3.10

Author: wjakob

.github/workflows/ci.yml

@@ -21,10 +21,12 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'windows-2022', 'macos-latest']
-        python: ['3.8', '3.9', '3.10', '3.11', '3.12.0-rc.1', 'pypy3.9']
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12.0-rc.1', 'pypy3.9', 'pypy3.10']
         exclude:
           - os: 'macos-latest'
             python: 'pypy3.9'
+          - os: 'macos-latest'
+            python: 'pypy3.10'
           - os: 'windows-2022'
             python: '3.12.0-rc.1'
 
@@ -53,7 +55,7 @@ jobs:
         python -m pip install pytest pytest-github-actions-annotate-failures
 
     - name: Install NumPy
-      if: matrix.python != 'pypy3.9' && matrix.python != '3.12.0-rc.1'
+      if: matrix.python != 'pypy3.9' && matrix.python != 'pypy3.10' && matrix.python != '3.12.0-rc.1'
       run: |
         python -m pip install numpy scipy
 

cmake/darwin-ld-pypy.sym

@@ -267,6 +267,7 @@
 -U _PyPyFile_WriteString
 -U _PyPyFloat_AS_DOUBLE
 -U _PyPyFloat_AsDouble
+-U _PyPyFloat_Check
 -U _PyPyFloat_FromDouble
 -U _PyPyFloat_FromString
 -U _PyPyFloat_Type

include/nanobind/nb_class.h

@@ -276,7 +276,7 @@ inline void inst_replace_copy(handle dst, handle src) { detail::nb_inst_replace_
 inline void inst_replace_move(handle dst, handle src) { detail::nb_inst_replace_move(dst.ptr(), src.ptr()); }
 template <typename T> T *inst_ptr(handle h) { return (T *) detail::nb_inst_ptr(h.ptr()); }
 inline void *type_get_slot(handle h, int slot_id) {
-#if PY_VERSION_HEX < 0x030A0000
+#if NB_TYPE_GET_SLOT_IMPL
     return detail::type_get_slot((PyTypeObject *) h.ptr(), slot_id);
 #else
     return PyType_GetSlot((PyTypeObject *) h.ptr(), slot_id);

include/nanobind/nb_defs.h

@@ -139,6 +139,22 @@
 #  define NB_DOMAIN_STR nullptr
 #endif
 
+#if !defined(PYPY_VERSION)
+#  if PY_VERSION_HEX < 0x030A0000
+#    define NB_TYPE_GET_SLOT_IMPL 1 // Custom implementation of nb::type_get_slot
+#  else
+#    define NB_TYPE_GET_SLOT_IMPL 0
+#  endif
+#  if PY_VERSION_HEX < 0x030C0000
+#    define NB_TYPE_FROM_METACLASS_IMPL 1 // Custom implementation of PyType_FromMetaclass
+#  else
+#    define NB_TYPE_FROM_METACLASS_IMPL 0
+#  endif
+#else
+#  define NB_TYPE_FROM_METACLASS_IMPL 1
+#  define NB_TYPE_GET_SLOT_IMPL 1
+#endif
+
 #define NB_MODULE_IMPL(name)                                                   \
     extern "C" [[maybe_unused]] NB_EXPORT PyObject *PyInit_##name();           \
     extern "C" NB_EXPORT PyObject *PyInit_##name()

include/nanobind/nb_lib.h

@@ -498,7 +498,7 @@ NB_CORE void slice_compute(PyObject *slice, Py_ssize_t size,
 NB_CORE PyObject *repr_list(PyObject *o);
 NB_CORE PyObject *repr_map(PyObject *o);
 
-#if PY_VERSION_HEX < 0x030A0000
+#if NB_TYPE_GET_SLOT_IMPL
 NB_CORE void *type_get_slot(PyTypeObject *t, int slot_id);
 #endif
 

src/nb_type.cpp

@@ -385,10 +385,10 @@ static int nb_type_setattro(PyObject* obj, PyObject* name, PyObject* value) {
     return NB_SLOT(PyType_Type, tp_setattro)(obj, name, value);
 }
 
-#if PY_VERSION_HEX < 0x030C0000
+#if NB_TYPE_FROM_METACLASS_IMPL || NB_TYPE_GET_SLOT_IMPL
 
 struct nb_slot {
-#if PY_VERSION_HEX < 0x030A0000
+#if NB_TYPE_GET_SLOT_IMPL
     uint8_t indirect_1;
     uint8_t indirect_2;
 #endif
@@ -400,7 +400,7 @@ template <size_t I1, size_t I2, size_t Offset1, size_t Offset2> nb_slot constexp
     static_assert(I1 == I2 && (Offset1 % sizeof(void *)) == 0 && (Offset2 % sizeof(void *)) == 0,
                   "nb_slot construction: internal error");
 
-#if PY_VERSION_HEX < 0x030A0000
+#if NB_TYPE_GET_SLOT_IMPL
     size_t o = 0;
     switch (Offset1) {
         case offsetof(PyHeapTypeObject, as_async):    o = offsetof(PyTypeObject, tp_as_async); break;
@@ -518,7 +518,7 @@ static constexpr nb_slot type_slots[] {
 #endif
 };
 
-#if PY_VERSION_HEX < 0x030A0000
+#if NB_TYPE_GET_SLOT_IMPL
 void *type_get_slot(PyTypeObject *t, int slot_id) {
     nb_slot slot = type_slots[slot_id - 1];
 
@@ -537,7 +537,7 @@ void *type_get_slot(PyTypeObject *t, int slot_id) {
 
 static PyObject *nb_type_from_metaclass(PyTypeObject *meta, PyObject *mod,
                                         PyType_Spec *spec) {
-#if PY_VERSION_HEX >= 0x030C0000
+#if NB_TYPE_FROM_METACLASS_IMPL == 0
     // Life is good, PyType_FromMetaclass() is available
     return PyType_FromMetaclass(meta, mod, spec, nullptr);
 #else