Update build rules and minor code changes for building with Bazel, added intro example, and created PIP package tools.

PiperOrigin-RevId: 252330555

Author: broken

.bazelrc

@@ -0,0 +1,32 @@
+# TensorFlow Federated Bazel configuration.
+#
+# See https://docs.bazel.build/versions/master/user-manual.html#config for
+# details on the various configuration options.
+
+# Build with modular op registration support by default.
+build --define=framework_shared_object=true
+
+# Bazel workaround to compile gRPC with the new 'cares' package.
+build --define=grpc_no_ares=true
+
+# Build with optimization enabled.
+build --compilation_mode=opt
+
+# Processor native optimizations (depends on build host capabilities).
+build --copt=-march=native
+build --host_copt=-march=native
+build --copt=-O3
+build --copt=-Wno-sign-compare
+build --define with_default_optimizations=true
+
+# Disable Tensorflow extensions that are not needed for Tensorflow Federated.
+build --define=no_aws_support=true
+build --define=no_hdfs_support=true
+build --define=no_kafka_support=true
+build --define=no_ignite_support=true
+build --define=no_nccl_support=true
+
+# Misc configuration
+build:xla --define with_xla_support=true
+build:v2 --define=tf_api_version=2
+build --action_env TF_CONFIGURE_IOS="0"

README.md

@@ -9,7 +9,7 @@ welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg)](CO
 ## Introduction
 
 TensorFlow Text provides a collection of text related classes and ops ready to
-use with TensorFlow. The library can perform the preprocessing regularly
+use with TensorFlow 2.0. The library can perform the preprocessing regularly
 required by text-based models, and includes other features useful for sequence
 modeling not provided by core TensorFlow.
 
@@ -248,3 +248,11 @@ print(bigrams.to_list())
 ```sh
 [['Everything not', 'not saved', 'saved will', 'will be', 'be lost.'], []]
 ```
+
+## Installation
+
+### Install using PIP
+
+```bash
+pip install -U tensorflow-text
+```

WORKSPACE

@@ -0,0 +1,61 @@
+workspace(name = "org_tensorflow_text")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "bazel_skylib",
+    sha256 = "2ef429f5d7ce7111263289644d233707dba35e39696377ebab8b0bc701f7818e",
+    urls = ["https://github.com/bazelbuild/bazel-skylib/releases/download/0.8.0/bazel-skylib.0.8.0.tar.gz"],
+)
+
+http_archive(
+    name = "com_google_absl",
+    sha256 = "0322e3a15fd119fcc8b03033e7011bb1beb7d6c4111f9e57272b7be78d56045a",
+    strip_prefix = "abseil-cpp-2f76a9bf50046e396138cc8eeb3cdc17b7a5ac24",
+    urls = [
+        "http://mirror.tensorflow.org/github.com/abseil/abseil-cpp/archive/2f76a9bf50046e396138cc8eeb3cdc17b7a5ac24.tar.gz",
+        "https://github.com/abseil/abseil-cpp/archive/2f76a9bf50046e396138cc8eeb3cdc17b7a5ac24.tar.gz",
+    ],
+)
+
+http_archive(
+    name = "com_google_googletest",
+    sha256 = "ff7a82736e158c077e76188232eac77913a15dac0b22508c390ab3f88e6d6d86",
+    strip_prefix = "googletest-b6cd405286ed8635ece71c72f118e659f4ade3fb",
+    urls = [
+        "http://mirror.tensorflow.org/github.com/google/googletest/archive/b6cd405286ed8635ece71c72f118e659f4ade3fb.zip",
+        "https://github.com/google/googletest/archive/b6cd405286ed8635ece71c72f118e659f4ade3fb.zip",
+    ],
+)
+
+http_archive(
+    name = "io_bazel_rules_closure",
+    sha256 = "e0a111000aeed2051f29fcc7a3f83be3ad8c6c93c186e64beb1ad313f0c7f9f9",
+    strip_prefix = "rules_closure-cf1e44edb908e9616030cc83d085989b8e6cd6df",
+    urls = [
+        "http://mirror.tensorflow.org/github.com/bazelbuild/rules_closure/archive/cf1e44edb908e9616030cc83d085989b8e6cd6df.tar.gz",
+        "https://github.com/bazelbuild/rules_closure/archive/cf1e44edb908e9616030cc83d085989b8e6cd6df.tar.gz",  # 2019-04-04
+    ],
+
+)
+
+http_archive(
+    name = "org_tensorflow",
+    strip_prefix = "tensorflow-2.0.0-beta0",
+    sha256 = "9dd3b78fce445a8d01791aadda3cbb686b732d4df2d4f6563054f7d7a725fa68",
+    urls = [
+        "https://github.com/tensorflow/tensorflow/archive/v2.0.0-beta0.zip"
+    ],
+)
+
+load("@org_tensorflow//tensorflow:workspace.bzl", "tf_workspace")
+
+tf_workspace(tf_repo_name="@org_tensorflow")
+
+load("//third_party/tensorflow:tf_configure.bzl", "tf_configure")
+
+tf_configure(name = "local_config_tf")
+
+load("//tensorflow_text:workspace.bzl", "initialize_third_party_archives")
+
+initialize_third_party_archives()