add protobuf 5 compatibility

Author: vgvoleg

.github/workflows/tests.yaml

@@ -17,10 +17,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8]
-        environment: [py-proto4, py-tls-proto4, py-proto3, py-tls-proto3]
+        python-version: [3.9]
+        environment: [py-proto5, py-tls-proto5, py-proto4, py-tls-proto4, py-proto3, py-tls-proto3]
         folder: [ydb, tests]
         exclude:
+          - environment: py-tls-proto5
+            folder: ydb
           - environment: py-tls-proto4
             folder: ydb
           - environment: py-tls-proto3

ydb/_grpc/common/__init__.py

@@ -36,11 +36,20 @@
         from ydb._grpc.v3 import protos  # noqa
 
         sys.modules["ydb._grpc.common.protos"] = sys.modules["ydb._grpc.v3.protos"]
-    else:
+    elif protobuf_version < Version("5.0"):
         from ydb._grpc.v4 import *  # noqa
 
         sys.modules["ydb._grpc.common"] = sys.modules["ydb._grpc.v4"]
 
         from ydb._grpc.v4 import protos  # noqa
 
         sys.modules["ydb._grpc.common.protos"] = sys.modules["ydb._grpc.v4.protos"]
+
+    else:
+        from ydb._grpc.v5 import *  # noqa
+
+        sys.modules["ydb._grpc.common"] = sys.modules["ydb._grpc.v5"]
+
+        from ydb._grpc.v5 import protos  # noqa
+
+        sys.modules["ydb._grpc.common.protos"] = sys.modules["ydb._grpc.v5.protos"]