ffi: more fixes for Python 3.11 rc1

pyo3-ffi/src/cpython/code.rs

@@ -75,6 +75,9 @@ pub struct PyCodeObject {
     pub co_qualname: *mut PyObject,
     pub co_linetable: *mut PyObject,
     pub co_weakreflist: *mut PyObject,
+    pub _co_code: *mut PyObject,
+    pub _co_firsttraceable: c_int,
+    pub _co_linearray: *mut c_char,
     pub co_extra: *mut c_void,
     pub co_code_adaptive: [c_char; 1],
 }

pyo3-ffi/src/cpython/import.rs

@@ -55,6 +55,10 @@ pub struct _frozen {
     pub name: *const c_char,
     pub code: *const c_uchar,
     pub size: c_int,
+    #[cfg(Py_3_11)]
+    pub is_package: c_int,
+    #[cfg(Py_3_11)]
+    pub get_code: Option<unsafe extern "C" fn() -> *mut PyObject>,
 }
 
 #[cfg_attr(windows, link(name = "pythonXY"))]

pyo3-ffi/src/cpython/mod.rs

@@ -33,6 +33,7 @@ pub(crate) mod pythonrun;
 // skipped sysmodule.h
 pub(crate) mod tupleobject;
 pub(crate) mod unicodeobject;
+pub(crate) mod weakrefobject;
 
 pub use self::abstract_::*;
 #[cfg(not(PyPy))]
@@ -63,3 +64,4 @@ pub use self::pystate::*;
 pub use self::pythonrun::*;
 pub use self::tupleobject::*;
 pub use self::unicodeobject::*;
+pub use self::weakrefobject::*;

pyo3-ffi/src/cpython/object.rs

@@ -292,6 +292,13 @@ pub struct PyTypeObject {
     pub tp_next: *mut PyTypeObject,
 }
 
+#[cfg(Py_3_11)]
+#[repr(C)]
+#[derive(Clone)]
+pub struct _specialization_cache {
+    pub getitem: *mut PyObject,
+}
+
 #[repr(C)]
 #[derive(Clone)]
 pub struct PyHeapTypeObject {
@@ -308,6 +315,10 @@ pub struct PyHeapTypeObject {
     pub ht_cached_keys: *mut c_void,
     #[cfg(Py_3_9)]
     pub ht_module: *mut object::PyObject,
+    #[cfg(Py_3_11)]
+    pub _ht_tpname: *mut c_char,
+    #[cfg(Py_3_11)]
+    pub _spec_cache: _specialization_cache,
 }
 
 impl Default for PyHeapTypeObject {

pyo3-ffi/src/cpython/pyerrors.rs

@@ -10,6 +10,8 @@ pub struct PyBaseExceptionObject {
     pub dict: *mut PyObject,
     #[cfg(not(PyPy))]
     pub args: *mut PyObject,
+    #[cfg(all(Py_3_11, not(PyPy)))]
+    pub notes: *mut PyObject,
     #[cfg(not(PyPy))]
     pub traceback: *mut PyObject,
     #[cfg(not(PyPy))]
@@ -27,6 +29,8 @@ pub struct PySyntaxErrorObject {
     pub ob_base: PyObject,
     pub dict: *mut PyObject,
     pub args: *mut PyObject,
+    #[cfg(Py_3_11)]
+    pub notes: *mut PyObject,
     pub traceback: *mut PyObject,
     pub context: *mut PyObject,
     pub cause: *mut PyObject,
@@ -51,6 +55,8 @@ pub struct PyImportErrorObject {
     pub ob_base: PyObject,
     pub dict: *mut PyObject,
     pub args: *mut PyObject,
+    #[cfg(Py_3_11)]
+    pub notes: *mut PyObject,
     pub traceback: *mut PyObject,
     pub context: *mut PyObject,
     pub cause: *mut PyObject,
@@ -68,6 +74,8 @@ pub struct PyUnicodeErrorObject {
     pub ob_base: PyObject,
     pub dict: *mut PyObject,
     pub args: *mut PyObject,
+    #[cfg(Py_3_11)]
+    pub notes: *mut PyObject,
     pub traceback: *mut PyObject,
     pub context: *mut PyObject,
     pub cause: *mut PyObject,
@@ -87,6 +95,8 @@ pub struct PySystemExitObject {
     pub ob_base: PyObject,
     pub dict: *mut PyObject,
     pub args: *mut PyObject,
+    #[cfg(Py_3_11)]
+    pub notes: *mut PyObject,
     pub traceback: *mut PyObject,
     pub context: *mut PyObject,
     pub cause: *mut PyObject,
@@ -102,6 +112,8 @@ pub struct PyOSErrorObject {
     pub ob_base: PyObject,
     pub dict: *mut PyObject,
     pub args: *mut PyObject,
+    #[cfg(Py_3_11)]
+    pub notes: *mut PyObject,
     pub traceback: *mut PyObject,
     pub context: *mut PyObject,
     pub cause: *mut PyObject,
@@ -124,6 +136,8 @@ pub struct PyStopIterationObject {
     pub dict: *mut PyObject,
     #[cfg(not(PyPy))]
     pub args: *mut PyObject,
+    #[cfg(all(Py_3_11, not(PyPy)))]
+    pub notes: *mut PyObject,
     #[cfg(not(PyPy))]
     pub traceback: *mut PyObject,
     #[cfg(not(PyPy))]

pyo3-ffi/src/cpython/weakrefobject.rs

@@ -0,0 +1,15 @@
+#[cfg(not(PyPy))]
+pub struct _PyWeakReference {
+    pub ob_base: crate::PyObject,
+    pub wr_object: *mut crate::PyObject,
+    pub wr_callback: *mut crate::PyObject,
+    pub hash: crate::Py_hash_t,
+    pub wr_prev: *mut crate::PyWeakReference,
+    pub wr_next: *mut crate::PyWeakReference,
+    #[cfg(Py_3_11)]
+    pub vectorcall: Option<crate::vectorcallfunc>,
+}
+
+// skipped _PyWeakref_GetWeakrefCount
+// skipped _PyWeakref_ClearRef
+// skipped PyWeakRef_GET_OBJECT

pyo3-ffi/src/weakrefobject.rs

@@ -5,14 +5,7 @@ use std::os::raw::c_int;
 opaque_struct!(PyWeakReference);
 
 #[cfg(all(not(PyPy), not(Py_LIMITED_API)))]
-pub struct PyWeakReference {
-    pub ob_base: PyObject,
-    pub wr_object: *mut PyObject,
-    pub wr_callback: *mut PyObject,
-    pub hash: crate::Py_hash_t,
-    pub wr_prev: *mut PyWeakReference,
-    pub wr_next: *mut PyWeakReference,
-}
+pub use crate::_PyWeakReference as PyWeakReference;
 
 #[cfg_attr(windows, link(name = "pythonXY"))]
 extern "C" {