kgriffs a556f392c5 style: Fix flake8 and hacking errors
In the interest of conforming to the de-facto coding standard for
OpenStack projects, this patch enables all checks for flake8 and
hacking, plus fixes everything reported.

Also, several docstrings were edited for clarity and grammar.

Change-Id: If85c4e420811b6df8eb55de1b5f07a0a8acfceff
Implements: blueprint grizzly-debt
2013-05-07 09:31:20 -04:00

65 lines
1.8 KiB
Python

# Copyright (c) 2013 Red Hat, Inc.
#
# 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 bson import errors as berrors
from bson import objectid
from marconi.openstack.common import timeutils
def to_oid(obj):
"""Creates a new ObjectId based on the input.
Raises ValueError when TypeError or InvalidId
is raised by the ObjectID class.
:param obj: Anything that can be passed as an
input to `objectid.ObjectId`
:raises: ValueError
"""
try:
return objectid.ObjectId(obj)
except (TypeError, berrors.InvalidId):
msg = _("Wrong id %s") % obj
raise ValueError(msg)
def oid_utc(oid):
"""Converts an ObjectId to a non-tz-aware datetime."""
try:
return timeutils.normalize_time(oid.generation_time)
except AttributeError:
raise TypeError(_("Expected ObjectId and got %s") % type(oid))
class HookedCursor(object):
def __init__(self, cursor, denormalizer):
self.cursor = cursor
self.denormalizer = denormalizer
def __getattr__(self, attr):
return getattr(self.cursor, attr)
def __iter__(self):
return self
def __len__(self):
return self.cursor.count(True)
def next(self):
item = self.cursor.next()
return self.denormalizer(item)