chore: import upstream snapshot with attribution

tensorflow/examples/adding_an_op/BUILD

@@ -0,0 +1,162 @@
+# Description:
+# Code examples referenced by adding_an_op
+
+load("@xla//third_party/rules_python/python:py_library.bzl", "py_library")
+load("//tensorflow:tensorflow.bzl", "py_test", "tf_cc_binary", "tf_custom_op_library")
+load(
+    "//tensorflow/core/platform:build_config_root.bzl",
+    "tf_cuda_tests_tags",
+    "tf_exec_properties",
+)
+
+package(
+    # copybara:uncomment default_applicable_licenses = ["//tensorflow:license"],
+    licenses = ["notice"],
+)
+
+tf_custom_op_library(
+    name = "zero_out_op_kernel_1.so",
+    srcs = ["zero_out_op_kernel_1.cc"],
+)
+
+py_library(
+    name = "zero_out_op_1",
+    srcs = ["zero_out_op_1.py"],
+    data = [":zero_out_op_kernel_1.so"],
+    strict_deps = True,
+    deps = ["//tensorflow:tensorflow_py"],
+)
+
+tf_custom_op_library(
+    name = "zero_out_op_kernel_2.so",
+    srcs = ["zero_out_op_kernel_2.cc"],
+)
+
+py_library(
+    name = "zero_out_op_2",
+    srcs = ["zero_out_op_2.py"],
+    data = [":zero_out_op_kernel_2.so"],
+    strict_deps = True,
+    deps = ["//tensorflow:tensorflow_py"],
+)
+
+tf_custom_op_library(
+    name = "zero_out_op_kernel_3.so",
+    srcs = ["zero_out_op_kernel_3.cc"],
+)
+
+py_library(
+    name = "zero_out_op_3",
+    srcs = ["zero_out_op_3.py"],
+    data = [":zero_out_op_kernel_3.so"],
+    strict_deps = True,
+    deps = ["//tensorflow:tensorflow_py"],
+)
+
+py_library(
+    name = "zero_out_grad_2",
+    srcs = ["zero_out_grad_2.py"],
+    strict_deps = True,
+    deps = [
+        "//tensorflow/python/framework:ops",
+        "//tensorflow/python/ops:array_ops",
+        "//tensorflow/python/ops:sparse_ops",
+    ],
+)
+
+py_test(
+    name = "zero_out_1_test",
+    size = "medium",
+    srcs = ["zero_out_1_test.py"],
+    strict_deps = True,
+    tags = [
+        "notap",
+    ],
+    deps = [
+        ":zero_out_op_1",
+        # copybara:uncomment "//third_party/py/google/protobuf:use_fast_cpp_protos",
+        "//tensorflow:tensorflow_py",
+    ],
+)
+
+py_test(
+    name = "zero_out_2_test",
+    size = "medium",
+    srcs = ["zero_out_2_test.py"],
+    strict_deps = True,
+    tags = [
+        "notap",
+    ],
+    deps = [
+        ":zero_out_grad_2",
+        ":zero_out_op_2",
+        # copybara:uncomment "//third_party/py/google/protobuf:use_fast_cpp_protos",
+        "//tensorflow:tensorflow_py",
+    ],
+)
+
+py_test(
+    name = "zero_out_3_test",
+    size = "medium",
+    srcs = ["zero_out_3_test.py"],
+    strict_deps = True,
+    tags = [
+        "notap",
+    ],
+    deps = [
+        ":zero_out_op_3",
+        # copybara:uncomment "//third_party/py/google/protobuf:use_fast_cpp_protos",
+        "//tensorflow:tensorflow_py",
+    ],
+)
+
+tf_custom_op_library(
+    name = "cuda_op_kernel.so",
+    srcs = ["cuda_op_kernel.cc"],
+    gpu_srcs = ["cuda_op_kernel.cu.cc"],
+)
+
+py_library(
+    name = "cuda_op",
+    srcs = ["cuda_op.py"],
+    data = [":cuda_op_kernel.so"],
+    strict_deps = True,
+    deps = ["//tensorflow:tensorflow_py"],
+)
+
+py_test(
+    name = "cuda_op_test",
+    size = "small",
+    srcs = ["cuda_op_test.py"],
+    exec_properties = tf_exec_properties({"tags": tf_cuda_tests_tags()}),
+    strict_deps = True,
+    tags = tf_cuda_tests_tags() + [
+        "notap",
+    ],
+    deps = [
+        ":cuda_op",
+        # copybara:uncomment "//third_party/py/google/protobuf:use_fast_cpp_protos",
+        "//tensorflow:tensorflow_py",
+    ],
+)
+
+py_test(
+    name = "fact_test",
+    size = "small",
+    srcs = ["fact_test.py"],
+    strict_deps = True,
+    deps = [
+        # copybara:uncomment "//third_party/py/google/protobuf:use_fast_cpp_protos",
+        "//tensorflow:tensorflow_py",
+        "//tensorflow/python/framework:test_lib",
+    ],
+)
+
+tf_cc_binary(
+    name = "attr_examples",
+    srcs = ["attr_examples.cc"],
+    deps = [
+        "//tensorflow/core",
+        "//tensorflow/core:framework",
+    ],
+)