neutron-lib/neutron_lib/objects/utils.py
Boden R f730a5e9a9 rehome get_updatable_fields into object utils
This patch rehomes the get_updatable_fields function from
neutron.objects.base into neutron-lib. A unit test and release note
is also included.

Change-Id: I781607ca88626ac6e75b3df53ccee33f61c22fdf
2018-11-26 09:02:09 -07:00

109 lines
2.6 KiB
Python

# 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 abc
import copy
import six
from neutron_lib import exceptions
def convert_filters(**kwargs):
result = copy.deepcopy(kwargs)
if 'tenant_id' in result:
if 'project_id' in result:
raise exceptions.TenantIdProjectIdFilterConflict()
result['project_id'] = result.pop('tenant_id')
return result
@six.add_metaclass(abc.ABCMeta)
class FilterObj(object):
@abc.abstractmethod
def filter(self, column):
pass
class StringMatchingFilterObj(FilterObj):
@property
def is_contains(self):
return bool(getattr(self, "contains", False))
@property
def is_starts(self):
return bool(getattr(self, "starts", False))
@property
def is_ends(self):
return bool(getattr(self, "ends", False))
class StringContains(StringMatchingFilterObj):
def __init__(self, matching_string):
super(StringContains, self).__init__()
self.contains = matching_string
def filter(self, column):
return column.contains(self.contains)
class StringStarts(StringMatchingFilterObj):
def __init__(self, matching_string):
super(StringStarts, self).__init__()
self.starts = matching_string
def filter(self, column):
return column.startswith(self.starts)
class StringEnds(StringMatchingFilterObj):
def __init__(self, matching_string):
super(StringEnds, self).__init__()
self.ends = matching_string
def filter(self, column):
return column.endswith(self.ends)
class NotIn(FilterObj):
def __init__(self, value):
super(NotIn, self).__init__()
self.value = value
def filter(self, column):
return ~column.in_(self.value)
class NotEqual(FilterObj):
def __init__(self, value):
super(NotEqual, self).__init__()
self.value = value
def filter(self, column):
return column != self.value
def get_updatable_fields(cls, fields):
fields = fields.copy()
for field in cls.fields_no_update:
if field in fields:
del fields[field]
return fields