b77c12a7d6
Change-Id: I9808505e7e0d80f1e4c91788ea3ec59d90e32c56
241 lines
9.6 KiB
Python
241 lines
9.6 KiB
Python
# coding=utf-8
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#
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from iotronic.db import api as dbapi
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from iotronic.objects import base
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from iotronic.objects import utils as obj_utils
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class Location(base.IotronicObject):
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VERSION = '1.0'
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dbapi = dbapi.get_instance()
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fields = {
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'id': int,
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'board_id': obj_utils.int_or_none,
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'longitude': obj_utils.str_or_none,
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'latitude': obj_utils.str_or_none,
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'altitude': obj_utils.str_or_none,
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}
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@staticmethod
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def _from_db_object(location, db_location):
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"""Converts a database entity to a formal object."""
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for field in location.fields:
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location[field] = db_location[field]
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location.obj_reset_changes()
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return location
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@staticmethod
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def _from_db_object_list(db_objects, cls, context):
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"""Converts a list of database entities to a list of formal objects."""
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return [
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Location._from_db_object(
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cls(context),
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obj) for obj in db_objects]
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@base.remotable_classmethod
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def get_by_id(cls, context, location_id):
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"""Find a location based on its idand return a Location object.
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:param location_id: the id of a location.
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:returns: a :class:`Location` object.
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"""
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db_location = cls.dbapi.get_location_by_id(location_id)
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location = Location._from_db_object(cls(context), db_location)
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return location
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def get_geo(self):
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updated = self._attr_to_primitive('updated_at')
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created = self._attr_to_primitive('created_at')
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geo = {
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'longitude': self.longitude,
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'latitude': self.latitude,
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'altitude': self.altitude,
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}
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if updated is None:
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geo['updated_at'] = created
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else:
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geo['updated_at'] = updated
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return geo
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# @base.remotable_classmethod
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# def get(cls, context, location_id):
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# """Find a location based on its id or uuid and return
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# a Location object.
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#
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# :param location_id: the id *or* uuid of a location.
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# :returns: a :class:`Location` object.
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# """
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# if strutils.is_int_like(location_id):
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# return cls.get_by_id(context, location_id)
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# elif uuidutils.is_uuid_like(location_id):
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# return cls.get_by_uuid(context, location_id)
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# else:
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# raise exception.InvalidIdentity(identity=location_id)
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# @base.remotable_classmethod
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# def get_by_uuid(cls, context, uuid):
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# """Find a location based on uuid and return a
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# :class:`Location` object.
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#
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# :param uuid: the uuid of a location.
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# :param context: Security context
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# :returns: a :class:`Location` object.
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# """
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# db_location = cls.dbapi.get_location_by_uuid(uuid)
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# location = Location._from_db_object(cls(context), db_location)
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# return location
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# @base.remotable_classmethod
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# def list(cls, context, limit=None, marker=None,
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# sort_key=None, sort_dir=None):
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# """Return a list of Location objects.
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#
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# :param context: Security context.
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# :param limit: maximum number of resources to return
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# in a single result.
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# :param marker: pagination marker for large data sets.
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# :param sort_key: column to sort results by.
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# :param sort_dir: direction to sort. "asc" or "desc".
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# :returns: a list of :class:`Location` object.
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#
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# """
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# db_locations = cls.dbapi.get_location_list(limit=limit,
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# marker=marker,
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# sort_key=sort_key,
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# sort_dir=sort_dir)
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# return Location._from_db_object_list(db_locations, cls, context)
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@base.remotable_classmethod
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def list_by_board_uuid(cls, context, board_uuid, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""Return a list of Location objects associated with a given board ID.
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:param context: Security context.
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:param board_id: the ID of the board.
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:param limit: maximum number of resources to return in a single result.
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:param marker: pagination marker for large data sets.
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:param sort_key: column to sort results by.
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:param sort_dir: direction to sort. "asc" or "desc".
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:returns: a list of :class:`Location` object.
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"""
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board_id = cls.dbapi.get_board_id_by_uuid(board_uuid)[0]
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db_loc = cls.dbapi.get_locations_by_board_id(board_id,
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limit=limit,
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marker=marker,
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sort_key=sort_key,
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sort_dir=sort_dir)
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return Location._from_db_object_list(db_loc, cls, context)
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@base.remotable_classmethod
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def list_by_board_id(cls, context, board_id, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""Return a list of Location objects associated with a given board ID.
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:param context: Security context.
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:param board_id: the ID of the board.
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:param limit: maximum number of resources to return in a single result.
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:param marker: pagination marker for large data sets.
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:param sort_key: column to sort results by.
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:param sort_dir: direction to sort. "asc" or "desc".
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:returns: a list of :class:`Location` object.
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"""
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db_loc = cls.dbapi.get_locations_by_board_id(board_id,
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limit=limit,
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marker=marker,
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sort_key=sort_key,
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sort_dir=sort_dir)
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return Location._from_db_object_list(db_loc, cls, context)
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@base.remotable
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def create(self, context=None):
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"""Create a Location record in the DB.
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:param context: Security context. NOTE: This should only
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be used internally by the indirection_api.
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Unfortunately, RPC requires context as the first
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argument, even though we don't use it.
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A context should be set when instantiating the
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object, e.g.: Location(context)
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"""
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values = self.obj_get_changes()
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db_location = self.dbapi.create_location(values)
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self._from_db_object(self, db_location)
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@base.remotable
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def destroy(self, context=None):
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"""Delete the Location from the DB.
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:param context: Security context. NOTE: This should only
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be used internally by the indirection_api.
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Unfortunately, RPC requires context as the first
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argument, even though we don't use it.
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A context should be set when instantiating the
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object, e.g.: Location(context)
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"""
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self.dbapi.destroy_location(self.uuid)
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self.obj_reset_changes()
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@base.remotable
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def save(self, context=None):
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"""Save updates to this Location.
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Updates will be made column by column based on the result
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of self.what_changed().
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:param context: Security context. NOTE: This should only
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be used internally by the indirection_api.
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Unfortunately, RPC requires context as the first
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argument, even though we don't use it.
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A context should be set when instantiating the
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object, e.g.: Location(context)
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"""
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updates = self.obj_get_changes()
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self.dbapi.update_location(self.uuid, updates)
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self.obj_reset_changes()
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# @base.remotable
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# def refresh(self, context=None):
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# """Loads updates for this Location.
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#
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# Loads a location with the same uuid from the database and
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# checks for updated attributes. Updates are applied from
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# the loaded location column by column, if there are any updates.
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#
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# :param context: Security context. NOTE: This should only
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# be used internally by the indirection_api.
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# Unfortunately, RPC requires context as the first
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# argument, even though we don't use it.
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# A context should be set when instantiating the
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# object, e.g.: Location(context)
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# """
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# current = self.__class__.get_by_uuid(self._context,
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# uuid=self.uuid)
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# for field in self.fields:
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# if (hasattr(
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# self, base.get_attrname(field))
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# and self[field] != current[field]):
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# self[field] = current[field]
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