Use py rules from rules_python

The native ones will be removed in the future.

Generated with the following command:

buildozer 'new_load @rules_python//python:defs.bzl py_library' 'new_load @rules_python//python:defs.bzl py_binary' 'new_load @rules_python//python:defs.bzl py_test' 'fix unusedLoads' //...:__pkg__

examples/objective-c/BUILD

@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-load("@com_github_grpc_grpc//bazel:objc_grpc_library.bzl", "objc_grpc_library")
 load("@build_bazel_rules_apple//apple:ios.bzl", "ios_application")
 load("@build_bazel_rules_apple//apple:macos.bzl", "macos_application")
+load("@com_github_grpc_grpc//bazel:objc_grpc_library.bzl", "objc_grpc_library")
 
 licenses(["notice"])
 

examples/python/auth/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_binary", "py_library", "py_test")
+
 filegroup(
     name = "_credentials_files",
     testonly = 1,

examples/python/cancellation/BUILD.bazel

@@ -15,6 +15,7 @@
 # limitations under the License.
 
 load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@rules_python//python:defs.bzl", "py_binary", "py_library", "py_test")
 load("//bazel:python_rules.bzl", "py_grpc_library", "py_proto_library")
 
 package(default_testonly = 1)

examples/python/compression/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_binary", "py_test")
+
 py_binary(
     name = "server",
     srcs = ["server.py"],

examples/python/data_transmission/BUILD

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_binary")
+
 licenses(["notice"])
 
 py_binary(

examples/python/debug/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_binary", "py_test")
+
 package(default_testonly = 1)
 
 py_binary(

examples/python/errors/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_library", "py_test")
 
 py_library(
     name = "client",

examples/python/multiprocessing/BUILD

@@ -15,6 +15,7 @@
 # limitations under the License.
 
 load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@rules_python//python:defs.bzl", "py_binary", "py_test")
 load("//bazel:python_rules.bzl", "py_grpc_library", "py_proto_library")
 
 proto_library(

examples/python/observability/csm/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_binary")
 
 # TODO(xuanwn): Instead of using Bazel build, we should pip install all dependencies
 # once we have a released version of grpcio-csm-observability.

examples/python/wait_for_ready/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_binary", "py_test")
+
 package(default_testonly = 1)
 
 py_binary(

src/python/grpcio/grpc/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio/grpc/experimental/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio/grpc/framework/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio/grpc/framework/common/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio/grpc/framework/foundation/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio/grpc/framework/interfaces/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio/grpc/framework/interfaces/base/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio/grpc/framework/interfaces/face/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_admin/grpc_admin/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_library")
+
 package(default_visibility = ["//visibility:public"])
 
 py_library(

src/python/grpcio_channelz/grpc_channelz/v1/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_csds/grpc_csds/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_library")
+
 package(default_visibility = ["//visibility:public"])
 
 py_library(

src/python/grpcio_csm_observability/grpc_csm_observability/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_library")
 
 package(default_visibility = ["//:__subpackages__"])
 

src/python/grpcio_health_checking/grpc_health/v1/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_observability/grpc_observability/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_library")
 load("//bazel:cython_library.bzl", "pyx_library")
 
 package(default_visibility = ["//visibility:private"])

src/python/grpcio_reflection/grpc_reflection/v1alpha/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_status/grpc_status/BUILD.bazel

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_library")
 
 package(default_visibility = ["//visibility:public"])
 

src/python/grpcio_tests/tests/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_tests/tests/admin/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_test")
+
 py_test(
     name = "admin_test",
     size = "small",

src/python/grpcio_tests/tests/channelz/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_test")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_tests/tests/csds/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_test")
+
 py_test(
     name = "csds_test",
     size = "small",

src/python/grpcio_tests/tests/fork/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_test")
+
 # Copyright 2023 gRPC authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_tests/tests/health_check/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_test")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_tests/tests/interop/BUILD.bazel

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_binary", "py_library", "py_test")
 
 package(default_visibility = ["//visibility:public"])
 

src/python/grpcio_tests/tests/observability/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_library", "py_test")
 
 package(default_visibility = ["//visibility:public"])
 

src/python/grpcio_tests/tests/qps/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_binary", "py_library")
+
 package(
     default_testonly = 1,
     default_visibility = ["//visibility:public"],

src/python/grpcio_tests/tests/reflection/BUILD.bazel

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_test")
 
 package(default_visibility = ["//visibility:public"])
 

src/python/grpcio_tests/tests/status/BUILD.bazel

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_test")
 
 package(default_visibility = ["//visibility:public"])
 

src/python/grpcio_tests/tests/stress/BUILD.bazel

@@ -14,6 +14,7 @@ load("@com_github_grpc_grpc//bazel:python_rules.bzl", "py_grpc_library", "py_pro
 # See the License for the specific language governing permissions and
 # limitations under the License.
 load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@rules_python//python:defs.bzl", "py_binary")
 
 proto_library(
     name = "unary_stream_benchmark_proto",

src/python/grpcio_tests/tests/testing/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_tests/tests/unit/BUILD.bazel

@@ -1,3 +1,6 @@
+load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,7 +15,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 load("//bazel:internal_python_rules.bzl", "internal_py_grpc_test")
-load("@grpc_python_dependencies//:requirements.bzl", "requirement")
 
 package(default_visibility = ["//visibility:public"])
 

src/python/grpcio_tests/tests/unit/_cython/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_library", "py_test")
+
 package(default_visibility = ["//visibility:public"])
 
 GRPCIO_TESTS_UNIT_CYTHON = [

src/python/grpcio_tests/tests/unit/framework/common/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_tests/tests/unit/framework/foundation/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_python//python:defs.bzl", "py_library", "py_test")
+
 # Copyright 2021 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

src/python/grpcio_tests/tests_aio/benchmark/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_binary", "py_library")
+
 package(
     default_testonly = 1,
     default_visibility = ["//visibility:public"],

src/python/grpcio_tests/tests_aio/channelz/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_test")
+
 package(default_visibility = ["//visibility:public"])
 
 py_test(

src/python/grpcio_tests/tests_aio/health_check/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_test")
+
 package(default_testonly = 1)
 
 py_test(

src/python/grpcio_tests/tests_aio/interop/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_binary", "py_library", "py_test")
 
 package(default_testonly = 1)
 

src/python/grpcio_tests/tests_aio/reflection/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_test")
+
 package(default_testonly = 1)
 
 py_test(

src/python/grpcio_tests/tests_aio/status/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_test")
 
 py_test(
     name = "grpc_status_test",

src/python/grpcio_tests/tests_aio/unit/BUILD.bazel

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_python//python:defs.bzl", "py_library", "py_test")
+
 package(
     default_testonly = 1,
     default_visibility = ["//visibility:public"],

src/python/grpcio_tests/tests_py3_only/interop/BUILD.bazel

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 load("@grpc_python_dependencies//:requirements.bzl", "requirement")
+load("@rules_python//python:defs.bzl", "py_binary", "py_test")
 
 py_binary(
     name = "xds_interop_client",