Update TF Text to v2.7.3.

PiperOrigin-RevId: 464639642

tensorflow_serving/servables/tensorflow/testdata/tf_text_regression/01/keras_metadata.pb

@@ -1,2 +1,2 @@
 
-�root"_tf_keras_model*�{"name": "tf_text_ops", "trainable": true, "expects_training_arg": false, "dtype": "float32", "batch_input_shape": null, "must_restore_from_config": false, "class_name": "TfTextOps", "config": {"layer was saved without config": true}, "is_graph_network": false, "full_save_spec": {"class_name": "__tuple__", "items": [[{"class_name": "TypeSpec", "type_spec": "tf.TensorSpec", "serialized": [{"class_name": "TensorShape", "items": [1]}, "float32", "input_1"]}], {}]}, "save_spec": {"class_name": "TypeSpec", "type_spec": "tf.TensorSpec", "serialized": [{"class_name": "TensorShape", "items": [1]}, "float32", "input_1"]}, "keras_version": "2.6.0", "backend": "tensorflow", "model_config": {"class_name": "TfTextOps"}}2

+�root"_tf_keras_model*�{"name": "tf_text_ops", "trainable": true, "expects_training_arg": false, "dtype": "float32", "batch_input_shape": null, "must_restore_from_config": false, "class_name": "TfTextOps", "config": {"layer was saved without config": true}, "is_graph_network": false, "full_save_spec": {"class_name": "__tuple__", "items": [[{"class_name": "TypeSpec", "type_spec": "tf.TensorSpec", "serialized": [{"class_name": "TensorShape", "items": [1]}, "float32", "input_1"]}], {}]}, "save_spec": {"class_name": "TypeSpec", "type_spec": "tf.TensorSpec", "serialized": [{"class_name": "TensorShape", "items": [1]}, "float32", "input_1"]}, "keras_version": "2.7.0", "backend": "tensorflow", "model_config": {"class_name": "TfTextOps"}}2

tensorflow_serving/workspace.bzl

@@ -56,9 +56,9 @@ def tf_serving_workspace():
     # https://github.com/tensorflow/text/blob/master/oss_scripts/model_server/save_models.py
     http_archive(
         name = "org_tensorflow_text",
-        sha256 = "0991ff93959a0e3ec7d16ba9d9ff9b4463bba565da402f1460cdbfa731112034",
-        strip_prefix = "text-2.6.0",
-        url = "https://github.com/tensorflow/text/archive/v2.6.0.zip",
+        sha256 = "7c6940e1fce8574f655fd5b20ab82e60b65bddb4c08b7ce669d8d6761e245bb9",
+        strip_prefix = "text-2.7.3",
+        url = "https://github.com/tensorflow/text/archive/v2.7.3.zip",
         patches = ["@//third_party/tf_text:tftext.patch"],
         patch_args = ["-p1"],
         repo_mapping = {"@com_google_re2": "@com_googlesource_code_re2"},

third_party/tf_text/tftext.patch

@@ -1,14 +1,78 @@
+diff --git a/tensorflow_text/core/kernels/fast_wordpiece_tokenizer.cc b/tensorflow_text/core/kernels/fast_wordpiece_tokenizer.cc
+index c1f0e4e..a92ecd8 100644
+--- a/tensorflow_text/core/kernels/fast_wordpiece_tokenizer.cc
++++ b/tensorflow_text/core/kernels/fast_wordpiece_tokenizer.cc
+@@ -32,7 +32,7 @@ namespace {
+ template <bool kGetPieces>
+ int GetCurrentOutputSize(std::vector<std::string>* output_pieces,
+                          std::vector<int>* output_ids) {
+-  if constexpr (kGetPieces) {
++  if (kGetPieces) {
+     return output_pieces->size();
+   } else {
+     return output_ids->size();
+@@ -538,10 +538,10 @@ void FastWordpieceTokenizer::AppendTokenToOutput(
+     std::vector<int>* output_end_offsets) const {
+   auto token_id =
+       fast_wordpiece_tokenizer_utils::GetTokenId(encoded_token_value);
+-  if constexpr (kGetIds) {
++  if (kGetIds) {
+     output_ids->push_back(token_id);
+   }
+-  if constexpr (kGetPieces || kGetOffsets) {
++  if (kGetPieces || kGetOffsets) {
+     // For suffix tokens, the length below is without the suffix indicator.
+     int token_substr_length =
+         fast_wordpiece_tokenizer_utils::GetTokenLength(encoded_token_value);
+@@ -553,7 +553,7 @@ void FastWordpieceTokenizer::AppendTokenToOutput(
+       // to adjust and add the length of the suffix indicator string.
+       token_substr_length += config_->suffix_indicator()->size();
+     }
+-    if constexpr (kGetPieces) {
++    if (kGetPieces) {
+       // If token id is unk_token_id, it means that it is a dummy node for
+       // punctuations that are not contained in the vocabulary, we append
+       // the unk_token in this case. Otherwise, we
+@@ -569,7 +569,7 @@ void FastWordpieceTokenizer::AppendTokenToOutput(
+               ? absl::StrCat(config_->suffix_indicator()->str(), subword_str)
+               : subword_str);
+     }
+-    if constexpr (kGetOffsets) {
++    if (kGetOffsets) {
+       // Record the offsets relative to the start of the whole text.
+       output_start_offsets->push_back(input_word_offset_in_text +
+                                       cur_offset_in_input_word);
+@@ -646,15 +646,15 @@ void FastWordpieceTokenizer::ResetOutputAppendUnknownToken(
+     std::vector<std::string>* output_pieces, std::vector<int>* output_ids,
+     std::vector<int>* output_start_offsets,
+     std::vector<int>* output_end_offsets) const {
+-  if constexpr (kGetPieces) {
++  if (kGetPieces) {
+     output_pieces->resize(original_num_tokens + 1);
+     output_pieces->back() = config_->unk_token()->str();
+   }
+-  if constexpr (kGetIds) {
++  if (kGetIds) {
+     output_ids->resize(original_num_tokens + 1);
+     output_ids->back() = config_->unk_token_id();
+   }
+-  if constexpr (kGetOffsets) {
++  if (kGetOffsets) {
+     output_start_offsets->resize(original_num_tokens + 1);
+     output_start_offsets->back() = input_word_offset_in_text;
+
 diff --git a/tensorflow_text/tftext.bzl b/tensorflow_text/tftext.bzl
-index 96cb329..1bb98ec 100644
+index ff40480..b649cfc 100644
 --- a/tensorflow_text/tftext.bzl
 +++ b/tensorflow_text/tftext.bzl
-@@ -126,8 +126,7 @@ def tf_cc_library(
+@@ -123,8 +123,8 @@ def tf_cc_library(
              "@org_tensorflow//tensorflow/core:portable_tensorflow_lib_lite",
          ],
          "//conditions:default": [
 -            "@local_config_tf//:libtensorflow_framework",
 -            "@local_config_tf//:tf_header_lib",
 +            "@org_tensorflow//tensorflow/core:tensorflow_opensource",
++            "@org_tensorflow//tensorflow/lite/kernels/shim:status_macros", "@org_tensorflow//tensorflow/lite/kernels/shim:tf_op_shim", "@org_tensorflow//tensorflow/lite/kernels/shim:op_kernel", "@org_tensorflow//tensorflow/lite/kernels/shim:tensor_view", "@org_tensorflow//tensorflow/lite/kernels/shim:shape",
          ] + tf_deps + oss_deps,
      })
      native.cc_library(