deb-designate/designate/sqlalchemy/types.py
Kiall Mac Innes 63fb19f323 Remove dead SQLAlchemy code
This code is no longer used, and was leftover from previous
changes.

Change-Id: Icbd83f826642be82000745f8595816a366008805
2015-01-14 13:50:33 -08:00

55 lines
1.7 KiB
Python

# Copyright 2012 Managed I.T.
#
# Author: Kiall Mac Innes <kiall@managedit.ie>
#
# 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 uuid
from sqlalchemy.types import TypeDecorator, CHAR
from sqlalchemy.dialects.postgresql import UUID as pgUUID
class UUID(TypeDecorator):
"""Platform-independent UUID type.
Uses Postgresql's UUID type, otherwise uses
CHAR(32), storing as stringified hex values.
Copied verbatim from SQLAlchemy documentation.
"""
impl = CHAR
def load_dialect_impl(self, dialect):
if dialect.name == 'postgresql':
return dialect.type_descriptor(pgUUID())
else:
return dialect.type_descriptor(CHAR(32))
def process_bind_param(self, value, dialect):
if value is None:
return value
elif dialect.name == 'postgresql':
return str(value)
else:
if not isinstance(value, uuid.UUID):
return "%.32x" % uuid.UUID(value)
else:
# hexstring
return "%.32x" % value
def process_result_value(self, value, dialect):
if value is None:
return value
else:
return str(uuid.UUID(value))