85082c5782
We bump hacking>=0.10.0, and hacking removed some rules, for the full list of rules please see [1]. So don't need them any more. Hacking related commits: Remove H904 in commit b1fe19ebebe47a36b905d709467f5e82521bbd96 Add H105 using author tags Add H238 hacking no old style class Add H501 hacking no locals [1]https://github.com/openstack-dev/hacking/blob/master/setup.cfg#L30 Change-Id: I6a1f3c3ef22be0962ffb81a5da5660837552e5d7
67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
# Copyright 2010-2011 OpenStack LLC.
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# Copyright 2015 Clinton Knight
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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 re
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from six.moves import urllib
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def get_view_builder(req):
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return ViewBuilder(req.application_url)
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_URL_SUFFIX = {'v1.0': 'v1', 'v2.0': 'v2'}
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class ViewBuilder(object):
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def __init__(self, base_url):
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"""Initialize ViewBuilder.
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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_versions(self, versions):
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views = [self._build_version(versions[key])
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for key in sorted(list(versions.keys()))]
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return dict(versions=views)
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def _build_version(self, version):
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view = copy.deepcopy(version)
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view['links'] = self._build_links(version)
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return view
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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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links = copy.deepcopy(version_data.get('links', {}))
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version = _URL_SUFFIX.get(version_data['id'])
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links.append({'rel': 'self',
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'href': self._generate_href(version=version)})
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return links
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def _generate_href(self, version='v1', path=None):
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"""Create a URL that refers to a specific version_number."""
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base_url = self._get_base_url_without_version()
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href = urllib.parse.urljoin(base_url, version).rstrip('/') + '/'
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if path:
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href += path.lstrip('/')
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return href
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def _get_base_url_without_version(self):
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"""Get the base URL with out the /v1 suffix."""
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return re.sub('v[1-9]+/?$', '', self.base_url)
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