Merge pull request #1260 from aviramha/fix_pycodeobj_struct

Fix PyCodeObject struct
PyO3 · Oct 25, 2020 · 522ebee · 522ebee
2 parents 33ec5b5 + c982639
commit 522ebee
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Fix missing field in `PyCodeObject` struct (`co_posonlyargcount`) - caused invalid access to other fields in Python >3.7. [#1260](https://github.com/PyO3/pyo3/pull/1260)
 ### Packaging
 - Drop support for Python 3.5 (as it is now end-of-life). [#1250](https://github.com/PyO3/pyo3/pull/1250)
 

diff --git a/src/ffi/code.rs b/src/ffi/code.rs
@@ -10,6 +10,8 @@ pub enum _PyOpcache {}
 pub struct PyCodeObject {
     pub ob_base: PyObject,
     pub co_argcount: c_int,
+    #[cfg(Py_3_8)]
+    pub co_posonlyargcount: c_int,
     pub co_kwonlyargcount: c_int,
     pub co_nlocals: c_int,
     pub co_stacksize: c_int,