chore(datastore): delete and migrate invalid region tags in the whole folder - step 1 (#13198)

* chore(datastore): rename region tag 'ndb_flask' (as a test before migrating it)

* chore(datastore): delete unused region tags and add new region tag for migration

Author: eapl-gemugami

datastore/cloud-ndb/flask_app.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# [START datastore_ndb_flask]
 # [START ndb_flask]
 from flask import Flask
 
@@ -41,6 +42,5 @@ class Book(ndb.Model):
 def list_books():
     books = Book.query()
     return str([book.to_dict() for book in books])
-
-
 # [END ndb_flask]
+# [END datastore_ndb_flask]

datastore/cloud-ndb/quickstart.py

@@ -13,28 +13,23 @@
 # limitations under the License.
 
 # [START datastore_quickstart_python]
-# [START ndb_import]
 from google.cloud import ndb
 
 
-# [END ndb_import]
 class Book(ndb.Model):
     title = ndb.StringProperty()
 
 
-# [START ndb_client]
 client = ndb.Client()
 
 
-# [END ndb_client]
 def list_books():
     with client.context():
         books = Book.query()
         for book in books:
             print(book.to_dict())
-
-
 # [END datastore_quickstart_python]
 
+
 if __name__ == "__main__":
     list_books()

datastore/cloud-ndb/requirements.txt

@@ -1,5 +1,3 @@
-# [START ndb_version]
 google-cloud-ndb==2.3.2
-# [END ndb_version]
 Flask==3.0.3
 Werkzeug==3.0.6