Adding a setup.py for keras_nlp

PiperOrigin-RevId: 331885219

official/nlp/keras_nlp/requirements.txt

+numpy>=1.15.4

official/nlp/keras_nlp/setup.py

+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Setup script."""
+
+import os
+
+from setuptools import find_packages
+from setuptools import setup
+
+version = '0.0.1'
+
+
+def _get_requirements():
+  """Parses requirements.txt file."""
+  install_requires_tmp = []
+  dependency_links_tmp = []
+  with open(
+      os.path.join(os.path.dirname(__file__), './requirements.txt'), 'r') as f:
+    for line in f:
+      package_name = line.strip()
+      # Skip empty line or comments starting with "#".
+      if not package_name or package_name[0] == '#':
+        continue
+      if package_name.startswith('-e '):
+        dependency_links_tmp.append(package_name[3:].strip())
+      else:
+        install_requires_tmp.append(package_name)
+  return install_requires_tmp, dependency_links_tmp
+
+install_requires, dependency_links = _get_requirements()
+
+install_requires.append('tf-nightly')
+
+setup(
+    name='keras-nlp',
+    version=version,
+    description='Keras Natural Language Processing Library',
+    url='https://github.com/keras-team/keras-nlp',
+    author='The Keras authors',
+    author_email='keras-team@google.com',
+    license='Apache License 2.0',
+    install_requires=install_requires,
+    classifiers=[
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 3.6',
+        'Operating System :: Unix',
+        'Operating System :: Microsoft :: Windows',
+        'Operating System :: MacOS',
+        'Intended Audience :: Science/Research',
+        'Topic :: Scientific/Engineering',
+        'Topic :: Software Development'
+    ],
+    packages=find_packages(exclude=('tests',)),
+    exclude_package_data={'': ['*_test.py',],},
+    dependency_links=dependency_links,
+    python_requires='>=3.6',
+)