Update python examples

examples/python/encryptor_config_with_zone.yaml

@@ -48,3 +48,13 @@ schemas:
     encrypted:
       - column: email
 
+  - table: test_example_with_zone
+    columns:
+      - id
+      - data
+      - raw_data
+    encrypted:
+      - column: data
+        data_type: bytes
+        # base64 bytes value `test-data`
+        default_data_value: dGVzdC1kYXRhCg==

examples/python/encryptor_config_without_zone.yaml

@@ -39,4 +39,15 @@ schemas:
       - id
       - email
     encrypted:
-      - column: email
+      - column: email
+
+  - table: test_example_without_zone
+    columns:
+      - id
+      - data
+      - raw_data
+    encrypted:
+      - column: data
+        data_type: bytes
+        # base64 bytes value `test-data`
+        default_data_value: dGVzdC1kYXRhCg

examples/python/example_with_zone.py

@@ -14,7 +14,7 @@
 # coding: utf-8
 import argparse
 import ssl
-from sqlalchemy import (Table, Column, Integer, MetaData, select, LargeBinary, Text, cast)
+from sqlalchemy import (Table, Column, Integer, MetaData, select, LargeBinary, Text, literal)
 from sqlalchemy.dialects.postgresql import BYTEA
 from acrawriter import create_acrastruct
 from common import get_engine, get_default, get_zone, register_common_cli_params
@@ -25,16 +25,16 @@ def print_data(zone_id, connection):
     console"""
     result = connection.execute(
         # explicitly pass zone id before related data
-        select([cast(zone_id.encode('utf-8'), BYTEA), test_table]))
+        select([literal(zone_id), test_table]))
     result = result.fetchall()
     ZONE_ID_INDEX = 0
     print("use zone_id: ", zone_id)
     print("{:<3} - {} - {} - {}".format("id", 'zone', "data", "raw_data"))
     for row in result:
         print(
             "{:<3} - {} - {} - {}\n".format(
-            row['id'], row[ZONE_ID_INDEX].decode('utf-8'),
-            row['data'].decode('utf-8', errors='ignore'), row['raw_data']))
+                row['id'], row[ZONE_ID_INDEX],
+                row['data'].decode('utf-8', errors='ignore').rstrip(), row['raw_data']))
 
 
 def write_data(data, connection, sslcontext=None):
@@ -45,10 +45,7 @@ def write_data(data, connection, sslcontext=None):
     encrypted_data = create_acrastruct(
         data.encode('utf-8'), key, zone_id.encode('utf-8'))
 
-    connection.execute(
-        test_table.insert(), data=encrypted_data,
-        zone_id=zone_id.encode('utf-8'),
-        raw_data=data)
+    connection.execute(test_table.insert(), data=encrypted_data, raw_data=data)
 
 
 if __name__ == '__main__':
@@ -67,7 +64,6 @@ def write_data(data, connection, sslcontext=None):
     test_table = Table(
         'test_example_with_zone', metadata,
         Column('id', Integer, primary_key=True, nullable=False),
-        Column('zone_id', LargeBinary, nullable=True),
         Column('data', LargeBinary, nullable=False),
         Column('raw_data', Text, nullable=False),
     )