From 7a2b1f0e133089e17c09d664cb4c0b59a19b1e22 Mon Sep 17 00:00:00 2001
From: David Hewitt <1939362+davidhewitt@users.noreply.github.com>
Date: Tue, 28 Feb 2023 08:44:17 +0000
Subject: [PATCH] fix `non_snake_case` lint for `#[pyfunction]` generated code

---
 newsfragments/2993.fixed.md           | 1 +
 pyo3-macros-backend/src/pyfunction.rs | 1 +
 tests/test_methods.rs                 | 1 -
 3 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 newsfragments/2993.fixed.md

diff --git a/newsfragments/2993.fixed.md b/newsfragments/2993.fixed.md
new file mode 100644
index 00000000000..130385fb787
--- /dev/null
+++ b/newsfragments/2993.fixed.md
@@ -0,0 +1 @@
+Fix `non_snake_case` lint fired by generated code in `#[pyfunction]` macro.
diff --git a/pyo3-macros-backend/src/pyfunction.rs b/pyo3-macros-backend/src/pyfunction.rs
index c4c6845acc0..d0a5b6c1f18 100644
--- a/pyo3-macros-backend/src/pyfunction.rs
+++ b/pyo3-macros-backend/src/pyfunction.rs
@@ -457,6 +457,7 @@ pub fn impl_wrap_pyfunction(
                 const DEF: #krate::impl_::pyfunction::PyMethodDef = #methoddef;
             }
 
+            #[allow(non_snake_case)]
             #wrapper
         };
     };
diff --git a/tests/test_methods.rs b/tests/test_methods.rs
index 9810e92ad14..effd25a1be1 100644
--- a/tests/test_methods.rs
+++ b/tests/test_methods.rs
@@ -1545,7 +1545,6 @@ fn test_option_pyclass_arg() {
 }
 
 #[test]
-#[allow(non_snake_case)] // FIXME __pyfunction__foo expanded symbol is not snake case
 fn test_issue_2988() {
     #[pyfunction]
     #[pyo3(signature = (