Add support for PyFrozenDict

newsfragments/6174.added.md

@@ -0,0 +1 @@
+Add support for `PyFrozenDict` on 3.15+

pyo3-ffi-check/definitions/wrapper.h

@@ -1,5 +1,6 @@
 #include "Python.h"
 #include "datetime.h"
+#include "internal/pycore_dict.h"
 #include "frameobject.h"
 #include "structmember.h"
 #include "marshal.h"

pyo3-ffi-check/macro/src/lib.rs

@@ -45,9 +45,9 @@ pub fn for_all_structs(input: proc_macro::TokenStream) -> proc_macro::TokenStrea
             .unwrap();
 
         if pyo3_build_config::get().target_abi().version() < PY_3_15
-            && struct_name == "PyBytesWriter"
+            && (struct_name == "PyBytesWriter" || struct_name == "PyFrozenDictObject")
         {
-            // PyBytesWriter was added in Python 3.15
+            // PyBytesWriter and PyFrozenDictObject were added in Python 3.15
             continue;
         }
 
@@ -247,6 +247,8 @@ const MACRO_EXCLUSIONS: &[(&str, &str)] = &[
     // FIXME: for many of these `not(PyPy)` cases,
     // it seems that PyPy might actually offer symbols which PyO3
     // should be using rather than implementing inline functions
+    ("PyAnyDict_Check", "not(PyPy)"),
+    ("PyAnyDict_CheckExact", "not(PyPy)"),
     ("PyAnySet_Check", "not(PyPy)"),
     ("PyAnySet_CheckExact", "not(PyPy)"),
     ("PyAsyncGen_CheckExact", ""),
@@ -324,6 +326,8 @@ const MACRO_EXCLUSIONS: &[(&str, &str)] = &[
     ("PyFloat_CheckExact", "not(PyPy)"),
     ("PyFrame_Check", ""),
     ("PyFrameLocalsProxy_Check", ""),
+    ("PyFrozenDict_Check", "not(PyPy)"),
+    ("PyFrozenDict_CheckExact", "not(PyPy)"),
     ("PyFrozenSet_Check", "not(PyPy)"),
     ("PyFrozenSet_CheckExact", "not(PyPy)"),
     ("PyFunction_Check", "not(PyPy)"),

pyo3-ffi/src/cpython/dictobject.rs

@@ -44,10 +44,11 @@ pub struct PyDictObject {
     _tmpkeys: *mut PyObject,
 }
 
-extern_libpython! {
-    #[cfg(Py_3_15)]
-    pub fn PyFrozenDict_New(iterable: *mut PyObject) -> *mut PyObject;
-}
+#[cfg(Py_3_15)]
+#[cfg(not(GraalPy))]
+opaque_struct!(pub PyFrozenDictObject);
+
+// PyFrozenDict_Type and PyFrozenDict_New are defined in the public dictobject.rs module
 
 // skipped private _PyDict_GetItem_KnownHash
 // skipped private _PyDict_GetItemStringWithError

pyo3-ffi/src/dictobject.rs

@@ -20,6 +20,41 @@ pub unsafe fn PyDict_CheckExact(op: *mut PyObject) -> c_int {
     Py_IS_TYPE(op, &raw mut PyDict_Type)
 }
 
+#[cfg(Py_3_15)]
+#[cfg(not(RustPython))]
+extern_libpython! {
+    pub static mut PyFrozenDict_Type: PyTypeObject;
+}
+
+#[inline]
+#[cfg(Py_3_15)]
+#[cfg(not(RustPython))]
+pub unsafe fn PyFrozenDict_CheckExact(op: *mut PyObject) -> c_int {
+    (Py_TYPE(op) == &raw mut PyFrozenDict_Type) as c_int
+}
+
+#[inline]
+#[cfg(Py_3_15)]
+#[cfg(not(RustPython))]
+pub unsafe fn PyFrozenDict_Check(op: *mut PyObject) -> c_int {
+    (Py_TYPE(op) == &raw mut PyFrozenDict_Type
+        || PyType_IsSubtype(Py_TYPE(op), &raw mut PyFrozenDict_Type) != 0) as c_int
+}
+
+#[inline]
+#[cfg(Py_3_15)]
+#[cfg(not(RustPython))]
+pub unsafe fn PyAnyDict_Check(op: *mut PyObject) -> c_int {
+    (PyDict_Check(op) != 0 || PyFrozenDict_Check(op) != 0) as c_int
+}
+
+#[inline]
+#[cfg(Py_3_15)]
+#[cfg(not(RustPython))]
+pub unsafe fn PyAnyDict_CheckExact(op: *mut PyObject) -> c_int {
+    (Py_TYPE(op) == &raw mut PyDict_Type || Py_TYPE(op) == &raw mut PyFrozenDict_Type) as c_int
+}
+
 extern_libpython! {
     #[cfg(RustPython)]
     pub fn PyDict_Check(op: *mut PyObject) -> c_int;
@@ -28,6 +63,8 @@ extern_libpython! {
 
     #[cfg_attr(PyPy, link_name = "PyPyDict_New")]
     pub fn PyDict_New() -> *mut PyObject;
+    #[cfg(Py_3_15)]
+    pub fn PyFrozenDict_New(iterable: *mut PyObject) -> *mut PyObject;
     #[cfg_attr(PyPy, link_name = "PyPyDict_GetItem")]
     pub fn PyDict_GetItem(mp: *mut PyObject, key: *mut PyObject) -> *mut PyObject;
     #[cfg_attr(PyPy, link_name = "PyPyDict_GetItemWithError")]

src/prelude.rs

@@ -33,6 +33,8 @@ pub use crate::types::capsule::PyCapsuleMethods;
 pub use crate::types::complex::PyComplexMethods;
 pub use crate::types::dict::PyDictMethods;
 pub use crate::types::float::PyFloatMethods;
+#[cfg(Py_3_15)]
+pub use crate::types::frozendict::PyFrozenDictMethods;
 pub use crate::types::frozenset::PyFrozenSetMethods;
 pub use crate::types::list::PyListMethods;
 pub use crate::types::mapping::PyMappingMethods;

src/sealed.rs

@@ -1,6 +1,8 @@
 use crate::impl_::pyfunction::PyFunctionDef;
 #[cfg(all(not(Py_LIMITED_API), not(PyPy), not(GraalPy)))]
 use crate::types::PyFrame;
+#[cfg(Py_3_15)]
+use crate::types::PyFrozenDict;
 use crate::types::{
     PyBool, PyByteArray, PyBytes, PyCapsule, PyComplex, PyDict, PyFloat, PyFrozenSet, PyList,
     PyMapping, PyMappingProxy, PyModule, PyRange, PySequence, PySet, PySlice, PyString,
@@ -33,6 +35,8 @@ impl Sealed for Bound<'_, PyCapsule> {}
 impl Sealed for Bound<'_, PyComplex> {}
 impl Sealed for Bound<'_, PyDict> {}
 impl Sealed for Bound<'_, PyFloat> {}
+#[cfg(Py_3_15)]
+impl Sealed for Bound<'_, PyFrozenDict> {}
 impl Sealed for Bound<'_, PyFrozenSet> {}
 impl Sealed for Bound<'_, PyList> {}
 impl Sealed for Bound<'_, PyMapping> {}