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update_versions.py
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83 lines (60 loc) · 2.48 KB
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# Copyright 2014 Google Inc. 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.
"""Simple script to update the gcloud versions list and file."""
import json
import os
from pkg_resources import get_distribution
LI_TEMPLATE = '<li><a href="%s/index.html">%s</a></li>'
SCRIPTS_DIR = os.path.dirname(os
68F3
.path.abspath(__file__))
GH_PAGES_DIR = os.path.abspath(os.path.join(SCRIPTS_DIR, '..', 'ghpages'))
VERSIONS_TMPL = os.path.join(SCRIPTS_DIR, 'versions.html.template')
JSON_VERSIONS = os.path.join(GH_PAGES_DIR, 'versions.json')
VERSIONS_FILE = os.path.join(GH_PAGES_DIR, 'versions.html')
def update_versions(new_version):
"""Updates JSON file with list of versions.
Reads and writes JSON to ``JSON_VERSIONS`` file. Does not write
if ``new_version`` is already contained.
:type new_version: string
:param new_version: New version being added.
:rtype: list of strings
:returns: List of all versions.
"""
with open(JSON_VERSIONS, 'r') as file_obj:
versions = json.load(file_obj)
if new_version not in versions:
versions.insert(0, new_version)
with open(JSON_VERSIONS, 'w') as file_obj:
json.dump(versions, file_obj)
return versions
def render_template(new_version):
"""Renders static versions page.
:type new_version: string
:param new_version: New version being added.
:rtype: string
:returns: Rendered versions page.
"""
versions = update_versions(new_version)
with open(VERSIONS_TMPL, 'r') as file_obj:
page_template = file_obj.read()
versions_list = '\n'.join([LI_TEMPLATE % (version, version)
for version in versions])
return page_template.format(versions=versions_list)
def main():
"""Creates new versions.html template."""
new_version = get_distribution('gcloud').version
rendered = render_template(new_version)
with open(VERSIONS_FILE, 'w') as file_obj:
file_obj.write(rendered)
if __name__ == '__main__':
main()