fix: create version.py for package versioning

Author: crwilcox

google/cloud/storage/__init__.py

@@ -31,13 +31,7 @@
   machine).
 """
 
-import pkg_resources
-
-try:
-    __version__ = pkg_resources.get_distribution("google-cloud-storage").version
-except pkg_resources.DistributionNotFound:
-    __version__ = None
-
+from google.cloud.storage import __version__
 from google.cloud.storage.batch import Batch
 from google.cloud.storage.blob import Blob
 from google.cloud.storage.bucket import Bucket

setup.py

@@ -22,7 +22,6 @@
 
 name = "google-cloud-storage"
 description = "Google Cloud Storage API client library"
-version = "1.31.2"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'
@@ -41,6 +40,11 @@
 
 package_root = os.path.abspath(os.path.dirname(__file__))
 
+version = {}
+with open("google/cloud/datastore/version.py") as fp:
+    exec(fp.read(), version)
+version = version["__version__"]
+
 readme_filename = os.path.join(package_root, "README.rst")
 with io.open(readme_filename, encoding="utf-8") as readme_file:
     readme = readme_file.read()