glance/glance/artifacts/__init__.py
Alexander Tivelkov b281eec8b3 Database layer for Artifact Repository
Adds a Data Model (Tables: Artifact, ArtifactDependecy, ArtifactTag,
ArtifactProperty, ArtifactBlob, ArtifactBlobLocation), Migrations and DB
API for SQLAlchemy. Adds wrappers for simple and registry DB drivers.

Adds appropriate unittests to DB API tests and to migration tests.

Implements-blueprint: artifact-repository

Co-Authored-By: Alexander Tivelkov <ativelkov@mirantis.com>
Co-Authored-By: Mike Fedosin <mfedosin@mirantis.com>
Co-Authored-By: Inessa Vasilevskaya <ivasilevskaya@mirantis.com>

Change-Id: Ia491a58956101a1c40f1bca95cd9efe432f13dce
2015-03-27 02:48:15 +03:00

47 lines
1.5 KiB
Python

# Copyright (c) 2015 Mirantis, 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.
import six
from glance.common import exception
class Showlevel(object):
# None - do not show additional properties and blobs with locations;
# Basic - show all artifact fields except dependencies;
# Direct - show all artifact fields with only direct dependencies;
# Transitive - show all artifact fields with all of dependencies.
NONE = 0
BASIC = 1
DIRECT = 2
TRANSITIVE = 3
_level_map = {'none': NONE, 'basic': BASIC, 'direct': DIRECT,
'transitive': TRANSITIVE}
_inverted_level_map = {v: k for k, v in six.iteritems(_level_map)}
@staticmethod
def to_str(n):
try:
return Showlevel._inverted_level_map[n]
except KeyError:
raise exception.ArtifactUnsupportedShowLevel()
@staticmethod
def from_str(str_value):
try:
return Showlevel._level_map[str_value]
except KeyError:
raise exception.ArtifactUnsupportedShowLevel()