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# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# 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 os
import routes
from trove.common import cfg
from trove.common import wsgi
CONF = cfg.CONF
VERSIONS = {
"1.0": {
"id": "v1.0",
"status": "CURRENT",
"updated": "2012-08-01T00:00:00Z",
"links": [],
},
}
class VersionsController(wsgi.Controller):
def index(self, request):
"""Respond to a request for API versions."""
versions = []
for key, data in VERSIONS.items():
v = BaseVersion(
data["id"],
data["status"],
request.application_url,
data["updated"])
versions.append(v)
return wsgi.Result(VersionsDataView(versions))
def show(self, request):
"""Respond to a request for a specific API version."""
data = VERSIONS[request.url_version]
v = Version(data["id"], data["status"],
request.application_url, data["updated"])
return wsgi.Result(VersionDataView(v))
class BaseVersion(object):
def __init__(self, id, status, base_url, updated):
self.id = id
self.status = status
self.base_url = CONF.public_endpoint or base_url
self.updated = updated
def data(self):
return {
"id": self.id,
"status": self.status,
"updated": self.updated,
"links": [{"rel": "self", "href": self.url()}],
}
def url(self):
url = os.path.join(self.base_url, self.id)
if not url.endswith("/"):
return url + "/"
return url
class Version(BaseVersion):
def url(self):
if not self.base_url.endswith("/"):
return self.base_url + "/"
return self.base_url
class VersionDataView(object):
def __init__(self, version):
self.version = version
def data_for_json(self):
return {'version': self.version.data()}
class VersionsDataView(object):
def __init__(self, versions):
self.versions = versions
def data_for_json(self):
return {'versions': [version.data() for version in self.versions]}
class VersionsAPI(wsgi.Router):
def __init__(self):
mapper = routes.Mapper()
versions_resource = VersionsController().create_resource()
mapper.connect("/", controller=versions_resource, action="index")
super(VersionsAPI, self).__init__(mapper)
def app_factory(global_conf, **local_conf):
conf = global_conf.copy()
conf.update(local_conf)
return VersionsAPI()
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