Add version API to keras_nlp (keras-team#1324)

* Add `keras_nlp.version() API`

* Correct version path

* Export to keras_nlp

* Format

* Remove __init__ version check

Author: grasskin

keras_nlp/__init__.py

@@ -26,6 +26,4 @@
 from keras_nlp import samplers
 from keras_nlp import tokenizers
 from keras_nlp import utils
-
-# This is the global source of truth for the version number.
-__version__ = "0.7.0"
+from keras_nlp.version import __version__

keras_nlp/version.py

@@ -0,0 +1,23 @@
+# Copyright 2023 The KerasNLP Authors
+#
+# 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.
+
+from keras_nlp.api_export import keras_nlp_export
+
+# Unique source of truth for the version number.
+__version__ = "0.7.0"
+
+
+@keras_nlp_export("keras_nlp.version")
+def version():
+    return __version__

setup.py

@@ -37,6 +37,7 @@ def get_version(rel_path):
 
 HERE = pathlib.Path(__file__).parent
 README = (HERE / "README.md").read_text()
+VERSION = get_version("keras_nlp/version.py")
 
 setup(
     name="keras-nlp",
@@ -45,7 +46,7 @@ def get_version(rel_path):
     ),
     long_description=README,
     long_description_content_type="text/markdown",
-    version=get_version("keras_nlp/__init__.py"),
+    version=VERSION,
     url="https://github.com/keras-team/keras-nlp",
     author="Keras team",
     author_email="[email protected]",