From e5131b524344675451522b86a98f1a13f074a88e Mon Sep 17 00:00:00 2001
From: Xuan Wang <xuanwn@google.com>
Date: Thu, 11 Apr 2024 15:37:19 -0700
Subject: [PATCH] [Python grpcio_tools] Update version requirement of protobuf
 in grpcio_tools (#36230)

Since we already finished v26.1 upgrade in https://github.com/grpc/grpc/pull/35796
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Closes #36230

PiperOrigin-RevId: 623960260
---
 requirements.txt                           | 2 +-
 src/python/grpcio_channelz/setup.py        | 2 +-
 src/python/grpcio_csds/setup.py            | 2 +-
 src/python/grpcio_health_checking/setup.py | 2 +-
 src/python/grpcio_reflection/setup.py      | 2 +-
 src/python/grpcio_status/setup.py          | 2 +-
 src/python/grpcio_testing/setup.py         | 2 +-
 src/python/grpcio_tests/setup.py           | 2 +-
 tools/distrib/python/grpcio_tools/setup.py | 2 +-
 tools/distrib/python/xds_protos/setup.py   | 2 +-
 10 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index 56169434b1b..24b79d71cf6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # GRPC Python setup requirements
 coverage>=4.0
 cython>=3.0.0
-protobuf>=4.21.3,<5.0dev
+protobuf>=5.26.1,<6.0dev
 wheel>=0.29
diff --git a/src/python/grpcio_channelz/setup.py b/src/python/grpcio_channelz/setup.py
index 06283d8ba37..034ed814829 100644
--- a/src/python/grpcio_channelz/setup.py
+++ b/src/python/grpcio_channelz/setup.py
@@ -61,7 +61,7 @@ PACKAGE_DIRECTORIES = {
 }
 
 INSTALL_REQUIRES = (
-    "protobuf>=4.21.6",
+    "protobuf>=5.26.1,<6.0dev",
     "grpcio>={version}".format(version=grpc_version.VERSION),
 )
 
diff --git a/src/python/grpcio_csds/setup.py b/src/python/grpcio_csds/setup.py
index 0aa3d50c1a0..8fb4dab5341 100644
--- a/src/python/grpcio_csds/setup.py
+++ b/src/python/grpcio_csds/setup.py
@@ -39,7 +39,7 @@ PACKAGE_DIRECTORIES = {
 }
 
 INSTALL_REQUIRES = (
-    "protobuf>=4.21.6",
+    "protobuf>=5.26.1,<6.0dev",
     f"xds-protos=={grpc_version.VERSION}",
     f"grpcio>={grpc_version.VERSION}",
 )
diff --git a/src/python/grpcio_health_checking/setup.py b/src/python/grpcio_health_checking/setup.py
index b6dda84ed6f..97a40723097 100644
--- a/src/python/grpcio_health_checking/setup.py
+++ b/src/python/grpcio_health_checking/setup.py
@@ -60,7 +60,7 @@ PACKAGE_DIRECTORIES = {
 }
 
 INSTALL_REQUIRES = (
-    "protobuf>=4.21.6",
+    "protobuf>=5.26.1,<6.0dev",
     "grpcio>={version}".format(version=grpc_version.VERSION),
 )
 
diff --git a/src/python/grpcio_reflection/setup.py b/src/python/grpcio_reflection/setup.py
index 37d5af18fa0..fd2cd7eb872 100644
--- a/src/python/grpcio_reflection/setup.py
+++ b/src/python/grpcio_reflection/setup.py
@@ -61,7 +61,7 @@ PACKAGE_DIRECTORIES = {
 }
 
 INSTALL_REQUIRES = (
-    "protobuf>=4.21.6",
+    "protobuf>=5.26.1,<6.0dev",
     "grpcio>={version}".format(version=grpc_version.VERSION),
 )
 
diff --git a/src/python/grpcio_status/setup.py b/src/python/grpcio_status/setup.py
index 503c11ee00d..f70013774c9 100644
--- a/src/python/grpcio_status/setup.py
+++ b/src/python/grpcio_status/setup.py
@@ -60,7 +60,7 @@ PACKAGE_DIRECTORIES = {
 }
 
 INSTALL_REQUIRES = (
-    "protobuf>=4.21.6",
+    "protobuf>=5.26.1,<6.0dev",
     "grpcio>={version}".format(version=grpc_version.VERSION),
     "googleapis-common-protos>=1.5.5",
 )
diff --git a/src/python/grpcio_testing/setup.py b/src/python/grpcio_testing/setup.py
index fad6d799bde..f2bd711d5c9 100644
--- a/src/python/grpcio_testing/setup.py
+++ b/src/python/grpcio_testing/setup.py
@@ -49,7 +49,7 @@ PACKAGE_DIRECTORIES = {
 }
 
 INSTALL_REQUIRES = (
-    "protobuf>=4.21.6",
+    "protobuf>=5.26.1,<6.0dev",
     "grpcio>={version}".format(version=grpc_version.VERSION),
 )
 
diff --git a/src/python/grpcio_tests/setup.py b/src/python/grpcio_tests/setup.py
index 83f3bcb55b0..7cfc2b308b4 100644
--- a/src/python/grpcio_tests/setup.py
+++ b/src/python/grpcio_tests/setup.py
@@ -46,7 +46,7 @@ INSTALL_REQUIRES = (
     "grpcio-observability>={version}".format(version=grpc_version.VERSION),
     "xds-protos>={version}".format(version=grpc_version.VERSION),
     "oauth2client>=1.4.7",
-    "protobuf>=4.21.6rc1,!=4.22.0.*",
+    "protobuf>=5.26.1,<6.0dev",
     "google-auth>=1.17.2",
     "requests>=2.14.2",
     "absl-py>=1.4.0",
diff --git a/tools/distrib/python/grpcio_tools/setup.py b/tools/distrib/python/grpcio_tools/setup.py
index d2cecee2c9e..03a895619ca 100644
--- a/tools/distrib/python/grpcio_tools/setup.py
+++ b/tools/distrib/python/grpcio_tools/setup.py
@@ -329,7 +329,7 @@ setuptools.setup(
     packages=setuptools.find_packages("."),
     python_requires=">=3.8",
     install_requires=[
-        "protobuf>=4.21.6,<5.0dev",
+        "protobuf>=5.26.1,<6.0dev",
         "grpcio>={version}".format(version=grpc_version.VERSION),
         "setuptools",
     ],
diff --git a/tools/distrib/python/xds_protos/setup.py b/tools/distrib/python/xds_protos/setup.py
index 71c5429cd58..f1c7247cc4b 100644
--- a/tools/distrib/python/xds_protos/setup.py
+++ b/tools/distrib/python/xds_protos/setup.py
@@ -39,7 +39,7 @@ CLASSIFIERS = [
 ]
 INSTALL_REQUIRES = [
     "grpcio>=1.49.0",
-    "protobuf>=4.21.6,<5.0dev",
+    "protobuf>=5.26.1,<6.0dev",
 ]
 
 SETUP_REQUIRES = INSTALL_REQUIRES + ["grpcio-tools>=1.49.0"]