30f8d3f8d6
This is progress for beginning to have separate versions of the cinder api. Common code that would be shared by v1, v2 etc will use these modules, so we'll just move them to a common place. Test directory structure has also been updated. progress on blueprint apiv2 Change-Id: I99fd95fc3bb5d4f4fc3d9ef5b76b6372a1f6033d
94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010-2011 OpenStack LLC.
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# All Rights Reserved.
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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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import copy
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import os
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def get_view_builder(req):
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base_url = req.application_url
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return ViewBuilder(base_url)
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class ViewBuilder(object):
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def __init__(self, base_url):
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"""
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:param base_url: url of the root wsgi application
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"""
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self.base_url = base_url
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def build_choices(self, VERSIONS, req):
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version_objs = []
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for version in VERSIONS:
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version = VERSIONS[version]
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version_objs.append({
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"id": version['id'],
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"status": version['status'],
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"links": [
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{
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"rel": "self",
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"href": self.generate_href(req.path),
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},
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],
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"media-types": version['media-types'],
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})
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return dict(choices=version_objs)
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def build_versions(self, versions):
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version_objs = []
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for version in sorted(versions.keys()):
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version = versions[version]
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version_objs.append({
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"id": version['id'],
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"status": version['status'],
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"updated": version['updated'],
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"links": self._build_links(version),
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})
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return dict(versions=version_objs)
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def build_version(self, version):
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reval = copy.deepcopy(version)
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reval['links'].insert(0, {
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"rel": "self",
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"href": self.base_url.rstrip('/') + '/',
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})
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return dict(version=reval)
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def _build_links(self, version_data):
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"""Generate a container of links that refer to the provided version."""
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href = self.generate_href()
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links = [
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{
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"rel": "self",
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"href": href,
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},
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]
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return links
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def generate_href(self, path=None):
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"""Create an url that refers to a specific version_number."""
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version_number = 'v1'
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if path:
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path = path.strip('/')
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return os.path.join(self.base_url, version_number, path)
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else:
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return os.path.join(self.base_url, version_number) + '/'
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