From 53cde641d941293cde7dd8fe5b7e429ee52658bd Mon Sep 17 00:00:00 2001
From: Mike Kruskal <62662355+mkruskal-google@users.noreply.github.com>
Date: Wed, 30 Oct 2024 11:31:10 -0700
Subject: [PATCH] Add a deprecation warning to py_proto_library (#19032)

* Add a deprecation warning to py_proto_library

* Remove redundant 29.0 mention

* Clarify warning message
---
 protobuf.bzl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/protobuf.bzl b/protobuf.bzl
index 9a058978945f..c8d32a604f2f 100644
--- a/protobuf.bzl
+++ b/protobuf.bzl
@@ -647,6 +647,9 @@ def py_proto_library(
       This is provided for backwards compatibility only.  Bazel 5.3 will
       introduce support for py_proto_library, which should be used instead.
     """
+    print("The py_proto_library macro is deprecated and will be removed in the "
+        + "30.x release. switch to the rule defined by rules_python or the one "
+        + "in bazel/py_proto_library.bzl.")
     internal_py_proto_library(*args, **kwargs)
 
 def _source_proto_library(