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# 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.
"""Custom SQLAlchemy types."""
import netaddr
from sqlalchemy import types
from neutron_lib._i18n import _
class IPAddress(types.TypeDecorator):
impl = types.String(64)
cache_ok = True
def process_result_value(self, value, dialect):
return netaddr.IPAddress(value)
def process_bind_param(self, value, dialect):
if not isinstance(value, netaddr.IPAddress):
raise AttributeError(_("Received type '%(type)s' and value "
"'%(value)s'. Expecting netaddr.IPAddress "
"type.") % {'type': type(value),
'value': value})
return str(value)
class CIDR(types.TypeDecorator):
impl = types.String(64)
cache_ok = True
def process_result_value(self, value, dialect):
return netaddr.IPNetwork(value)
def process_bind_param(self, value, dialect):
if not isinstance(value, netaddr.IPNetwork):
raise AttributeError(_("Received type '%(type)s' and value "
"'%(value)s'. Expecting netaddr.IPNetwork "
"type.") % {'type': type(value),
'value': value})
return str(value)
class MACAddress(types.TypeDecorator):
impl = types.String(64)
cache_ok = True
def process_result_value(self, value, dialect):
return netaddr.EUI(value)
def process_bind_param(self, value, dialect):
if not isinstance(value, netaddr.EUI):
raise AttributeError(_("Received type '%(type)s' and value "
"'%(value)s'. Expecting netaddr.EUI "
"type.") % {'type': type(value),
'value': value})
return str(value)
class TruncatedDateTime(types.TypeDecorator):
"""Truncates microseconds.
Use this for datetime fields so we don't have to worry about DB-specific
behavior when it comes to rounding/truncating microseconds off of
timestamps.
"""
impl = types.DateTime
cache_ok = True
def process_bind_param(self, value, dialect):
return value.replace(microsecond=0) if value else value
process_result_value = process_bind_param
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