add setup file

.github/release-trigger.yml

@@ -0,0 +1,2 @@
+enabled: true
+multiScmName: python-spanner

.librarian/generator-input/owlbot.py

@@ -321,4 +321,4 @@ def get_staging_dirs(
 
 # Use a python runtime which is available in the owlbot post processor here
 # https://github.com/googleapis/synthtool/blob/master/docker/owlbot/python/Dockerfile
-s.shell.run(["nox", "-s", "blacken-3.10"], hide_output=False)
+s.shell.run(["nox", "-s", "blacken"], hide_output=False)

.librarian/generator-input/setup.py

@@ -0,0 +1,103 @@
+# -*- coding: utf-8 -*-
+# Copyright 2022 Google LLC
+#
+# 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
+#
+#     http://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.
+#
+import io
+import os
+
+import setuptools  # type: ignore
+
+package_root = os.path.abspath(os.path.dirname(__file__))
+
+name = "google-cloud-spanner"
+
+
+description = "Google Cloud Spanner API client library"
+
+version = {}
+with open(os.path.join(package_root, "google/cloud/spanner_v1/gapic_version.py")) as fp:
+    exec(fp.read(), version)
+version = version["__version__"]
+
+if version[0] == "0":
+    release_status = "Development Status :: 4 - Beta"
+else:
+    release_status = "Development Status :: 5 - Production/Stable"
+
+dependencies = [
+    "google-api-core[grpc] >= 1.34.0, <3.0.0,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*,!=2.8.*,!=2.9.*,!=2.10.*",
+    "google-cloud-core >= 1.4.4, < 3.0.0",
+    "grpc-google-iam-v1 >= 0.12.4, <1.0.0",
+    "proto-plus >= 1.22.0, <2.0.0",
+    "sqlparse >= 0.4.4",
+    "proto-plus >= 1.22.2, <2.0.0; python_version>='3.11'",
+    "protobuf>=3.20.2,<7.0.0,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
+    "grpc-interceptor >= 0.15.4",
+]
+extras = {
+    "tracing": [
+        "opentelemetry-api >= 1.22.0",
+        "opentelemetry-sdk >= 1.22.0",
+        "opentelemetry-semantic-conventions >= 0.43b0",
+        "opentelemetry-resourcedetector-gcp >= 1.8.0a0",
+        "google-cloud-monitoring >= 2.16.0",
+        "mmh3 >= 4.1.0 ",
+    ],
+    "libcst": "libcst >= 0.2.5",
+}
+
+url = "https://github.com/googleapis/python-spanner"
+
+package_root = os.path.abspath(os.path.dirname(__file__))
+
+readme_filename = os.path.join(package_root, "README.rst")
+with io.open(readme_filename, encoding="utf-8") as readme_file:
+    readme = readme_file.read()
+
+packages = [
+    package
+    for package in setuptools.find_namespace_packages()
+    if package.startswith("google")
+]
+
+setuptools.setup(
+    name=name,
+    version=version,
+    description=description,
+    long_description=readme,
+    author="Google LLC",
+    author_email="[email protected]",
+    license="Apache 2.0",
+    url=url,
+    classifiers=[
+        release_status,
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: Apache Software License",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Operating System :: OS Independent",
+        "Topic :: Internet",
+    ],
+    platforms="Posix; MacOS X; Windows",
+    packages=packages,
+    install_requires=dependencies,
+    extras_require=extras,
+    python_requires=">=3.9",
+    include_package_data=True,
+    zip_safe=False,
+)

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+    ".": "3.59.0"
+}