fix SystemError raised from PyUnicodeDecodeError_Create on PyPy 3.10

newsfragments/3297.added.md

@@ -0,0 +1 @@
+Add FFI definitions `_PyObject_CallFunction_SizeT` and `_PyObject_CallMethod_SizeT`.

newsfragments/3297.fixed.md

@@ -0,0 +1 @@
+Fix `SystemError` raised in `PyUnicodeDecodeError_Create` on PyPy 3.10.

pyo3-ffi/src/abstract_.rs

@@ -52,8 +52,21 @@ extern "C" {
  ...
  ) -> *mut PyObject;
 
- // skipped _PyObject_CallFunction_SizeT
- // skipped _PyObject_CallMethod_SizeT
+ #[cfg(not(Py_3_13))]
+ #[cfg_attr(PyPy, link_name = "_PyPyObject_CallFunction_SizeT")]
+ pub fn _PyObject_CallFunction_SizeT(
+ callable_object: *mut PyObject,
+ format: *const c_char,
+ ...
+ ) -> *mut PyObject;
+ #[cfg(not(Py_3_13))]
+ #[cfg_attr(PyPy, link_name = "_PyPyObject_CallMethod_SizeT")]
+ pub fn _PyObject_CallMethod_SizeT(
+ o: *mut PyObject,
+ method: *const c_char,
+ format: *const c_char,
+ ...
+ ) -> *mut PyObject;
 
  #[cfg_attr(PyPy, link_name = "PyPyObject_CallFunctionObjArgs")]
  pub fn PyObject_CallFunctionObjArgs(callable: *mut PyObject, ...) -> *mut PyObject;

pyo3-ffi/src/pyerrors.rs

@@ -99,7 +99,7 @@ pub unsafe fn PyUnicodeDecodeError_Create(
  end: Py_ssize_t,
  reason: *const c_char,
 ) -> *mut PyObject {
- crate::PyObject_CallFunction(
+ crate::_PyObject_CallFunction_SizeT(
  PyExc_UnicodeDecodeError,
  b"sy#nns\0".as_ptr().cast::<c_char>(),
  encoding,