ffi cleanup: deprecate some nonexistent functions

CHANGELOG.md

@@ -8,13 +8,16 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## Unreleased
 ### Added
 - Add FFI definition `PyCFunction_CheckExact` for Python 3.9 and later. [#1425](https://github.com/PyO3/pyo3/pull/1425)
+- Add FFI definition `Py_IS_TYPE`.
 
 ### Changed
 - Deprecate FFI definition `PyCFunction_Call` for Python 3.9 and later. [#1425](https://github.com/PyO3/pyo3/pull/1425)
 - Deprecate FFI definitions `PyModule_GetFilename`, `PyMethodDef_INIT`. [#1425](https://github.com/PyO3/pyo3/pull/1425)
+- Deprecate FFI definitions `PyObject_Check`, `PySuper_Check`, `FreeFunc`.
 
 ### Fixed
 - Remove FFI definition `PyCFunction_ClearFreeList` for Python 3.9 and later. [#1425](https://github.com/PyO3/pyo3/pull/1425)
+- Fix FFI definition `_PyEval_RequestCodeExtraIndex` which took an argument of the wrong type.
 
 ## [0.13.2] - 2021-02-12
 ### Packaging

src/ffi/cpython/ceval.rs

@@ -1,6 +1,4 @@
-#[cfg(not(Py_LIMITED_API))]
-use crate::ffi::object::FreeFunc;
-use crate::ffi::object::PyObject;
+use crate::ffi::object::{freefunc, PyObject};
 use crate::ffi::pystate::Py_tracefunc;
 use std::os::raw::c_int;
 
@@ -9,8 +7,7 @@ extern "C" {
         arg1: *mut crate::ffi::PyFrameObject,
         exc: c_int,
     ) -> *mut PyObject;
-    #[cfg(not(Py_LIMITED_API))]
-    pub fn _PyEval_RequestCodeExtraIndex(func: FreeFunc) -> c_int;
+    pub fn _PyEval_RequestCodeExtraIndex(func: freefunc) -> c_int;
     pub fn PyEval_SetProfile(trace_func: Py_tracefunc, arg1: *mut PyObject);
     pub fn PyEval_SetTrace(trace_func: Py_tracefunc, arg1: *mut PyObject);
 }

src/ffi/object.rs

@@ -526,16 +526,16 @@ pub unsafe fn PyType_CheckExact(op: *mut PyObject) -> c_int {
 }
 
 #[inline]
-// #[deprecated(note = "not present in Python headers; to be removed")]
+#[deprecated(note = "not present in Python headers; to be removed")]
 pub fn PyObject_Check(_arg1: *mut PyObject) -> c_int {
     1
 }
 
 #[inline]
-// #[deprecated(note = "not present in Python headers; to be removed")]
+#[deprecated(note = "not present in Python headers; to be removed")]
 pub fn PySuper_Check(_arg1: *mut PyObject) -> c_int {
     0
 }
 
-// #[deprecated(note = "not present in Python headers; to be removed")]
+#[deprecated(note = "not present in Python headers; to be removed")]
 pub type FreeFunc = extern "C" fn(*mut c_void) -> c_void;

src/types/any.rs

@@ -48,12 +48,19 @@ impl crate::AsPyPointer for PyAny {
 unsafe impl crate::type_object::PyLayout<PyAny> for ffi::PyObject {}
 impl crate::type_object::PySizedLayout<PyAny> for ffi::PyObject {}
 
+#[allow(non_snake_case)]
+// Copied here as the macro does not accept deprecated functions.
+// Originally ffi::object::PyObject_Check, but this is not in the Python C API.
+fn PyObject_Check(_: *mut ffi::PyObject) -> c_int {
+    1
+}
+
 pyobject_native_type_info!(
     PyAny,
     ffi::PyObject,
     ffi::PyBaseObject_Type,
     Some("builtins"),
-    ffi::PyObject_Check
+    PyObject_Check
 );
 
 pyobject_native_type_extract!(PyAny);