From c1249cdbd1b77a4d3fbcf4ed7da34232efaa9f1e Mon Sep 17 00:00:00 2001
From: Arie Bovenberg <a.c.bovenberg@gmail.com>
Date: Thu, 5 Sep 2024 10:11:17 +0200
Subject: [PATCH] make object deallocation more robust

---
 CHANGELOG.rst                 | 5 +++++
 pyproject.toml                | 2 +-
 pysrc/whenever/_pywhenever.py | 2 +-
 src/common.rs                 | 5 +++--
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8a5e4525..05660130 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 🚀 Changelog
 ============
 
+0.6.8 (2024-09-05)
+------------------
+
+- Fix issue with object deallocation in particular Windows builds (#167)
+
 0.6.7 (2024-08-06)
 ------------------
 
diff --git a/pyproject.toml b/pyproject.toml
index 9b0de5a8..85a76d8b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ authors = [
     {name = "Arie Bovenberg", email = "a.c.bovenberg@gmail.com"},
 ]
 readme = "README.md"
-version = "0.6.7"
+version = "0.6.8rc1"
 description = "Modern datetime library for Python, written in Rust"
 requires-python = ">=3.9"
 classifiers = [
diff --git a/pysrc/whenever/_pywhenever.py b/pysrc/whenever/_pywhenever.py
index 124257dc..773f03fb 100644
--- a/pysrc/whenever/_pywhenever.py
+++ b/pysrc/whenever/_pywhenever.py
@@ -32,7 +32,7 @@
 #   - It saves some overhead
 from __future__ import annotations
 
-__version__ = "0.6.7"
+__version__ = "0.6.8rc1"
 
 import enum
 import re
diff --git a/src/common.rs b/src/common.rs
index da2f0137..11958631 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -900,11 +900,12 @@ pub(crate) enum Ambiguity {
 }
 
 pub(crate) unsafe extern "C" fn generic_dealloc(slf: *mut PyObject) {
-    let tp_free = PyType_GetSlot(Py_TYPE(slf), Py_tp_free);
+    let cls = Py_TYPE(slf);
+    let tp_free = PyType_GetSlot(cls, Py_tp_free);
     debug_assert_ne!(tp_free, core::ptr::null_mut());
     let f: freefunc = std::mem::transmute(tp_free);
     f(slf.cast());
-    Py_DECREF(Py_TYPE(slf).cast());
+    Py_DECREF(cls.cast());
 }
 
 #[inline]