60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010-2011 OpenStack Foundation.
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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 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(self, version_data):
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"""Generic method used to generate a version entity."""
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version = {
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"id": version_data["id"],
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"status": version_data["status"],
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"links": self._build_links(version_data),
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}
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return version
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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(version_data["id"])
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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, version_number):
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"""Create an url that refers to a specific version_number."""
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return os.path.join(self.base_url, version_number)
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