From c80a61ee30575d30a3ded7e1674b3b313e27536c Mon Sep 17 00:00:00 2001
From: David Hewitt <1939362+davidhewitt@users.noreply.github.com>
Date: Mon, 2 Oct 2023 21:36:17 +0100
Subject: [PATCH] disable `marshal.rs` on `Py_LIMITED_API`

---
 newsfragments/3490.fixed.md | 1 +
 pyo3-ffi/src/lib.rs         | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 newsfragments/3490.fixed.md

diff --git a/newsfragments/3490.fixed.md b/newsfragments/3490.fixed.md
new file mode 100644
index 00000000..b7cf1db8
--- /dev/null
+++ b/newsfragments/3490.fixed.md
@@ -0,0 +1 @@
+Disable `PyMarshal_WriteObjectToString` from `PyMarshal_ReadObjectFromString` with the `abi3` feature.
diff --git a/pyo3-ffi/src/lib.rs b/pyo3-ffi/src/lib.rs
index cae3001d..cddf53e0 100644
--- a/pyo3-ffi/src/lib.rs
+++ b/pyo3-ffi/src/lib.rs
@@ -281,6 +281,7 @@ pub use self::intrcheck::*;
 pub use self::iterobject::*;
 pub use self::listobject::*;
 pub use self::longobject::*;
+#[cfg(not(Py_LIMITED_API))]
 pub use self::marshal::*;
 pub use self::memoryobject::*;
 pub use self::methodobject::*;
@@ -351,7 +352,8 @@ mod iterobject;
 mod listobject;
 // skipped longintrepr.h
 mod longobject;
-pub(crate) mod marshal;
+#[cfg(not(Py_LIMITED_API))]
+pub mod marshal;
 mod memoryobject;
 mod methodobject;
 mod modsupport;