neutron-lib/neutron_lib/objects/exceptions.py
Brian Haley e92e98f8c6 Start running pylint for pep8 tests
When 'tox -e pep8' was run it didn't run any pylint
checks, let's start doing it.

Fixed issues pylint found, 2.6.0 added two new checkers
[1] that make pep8 validation fail:

- raise-missing-from (W0707)
- super-with-arguments (R1725)

[1] http://pylint.pycqa.org/en/latest/technical_reference/features.html

Change-Id: Ib83f30696269c968f41f9c1131596268a4412658
2020-09-17 09:53:01 -04:00

82 lines
3.0 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.
from oslo_utils import reflection
from neutron_lib._i18n import _
from neutron_lib import exceptions
class NeutronObjectUpdateForbidden(exceptions.NeutronException):
message = _("Unable to update the following object fields: %(fields)s")
class NeutronDbObjectDuplicateEntry(exceptions.Conflict):
"""Duplicate entry at unique column error.
Raised when made an attempt to write to a unique column the same entry as
existing one. :attr: `columns` available on an instance of the exception
and could be used at error handling::
try:
obj_ref.save()
except NeutronDbObjectDuplicateEntry as e:
if 'colname' in e.columns:
# Handle error.
"""
message = _("Failed to create a duplicate %(object_type)s: "
"for attribute(s) %(attributes)s with value(s) %(values)s")
def __init__(self, object_class, db_exception):
super().__init__(
object_type=reflection.get_class_name(object_class,
fully_qualified=False),
attributes=db_exception.columns,
values=db_exception.value)
self.columns = db_exception.columns
self.value = db_exception.value
class NeutronDbObjectNotFoundByModel(exceptions.NotFound):
message = _("NeutronDbObject not found by model %(model)s.")
class NeutronPrimaryKeyMissing(exceptions.BadRequest):
message = _("For class %(object_type)s missing primary keys: "
"%(missing_keys)s")
def __init__(self, object_class, missing_keys):
super().__init__(
object_type=reflection.get_class_name(object_class,
fully_qualified=False),
missing_keys=missing_keys
)
class NeutronRangeConstrainedIntegerInvalidLimit(exceptions.NeutronException):
message = _("Incorrect range limits specified: "
"start = %(start)s, end = %(end)s")
class NeutronSyntheticFieldMultipleForeignKeys(exceptions.NeutronException):
message = _("Synthetic field %(field)s shouldn't have more than one "
"foreign key")
class NeutronSyntheticFieldsForeignKeysNotFound(exceptions.NeutronException):
message = _("%(child)s does not define a foreign key for %(parent)s")
class NeutronObjectValidatorException(exceptions.NeutronException):
message = _("Synthetic field(s) %(fields)s undefined, misspelled, or "
"otherwise invalid")