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#!/usr/bin/env python3
#
# Builds a list of nightly builds from GitHub releases
#
# Requires the following environment variables:
# SNAPSHOTS_BUCKET
# AWS_ACCESS_KEY_ID
# AWS_SECRET_ACCESS_KEY
import os
import re
import sys
import json
import github
import jinja2
REPO = 'vyos/vyos-nightly-build'
def list_images(repo):
images = []
# GitHub returns releases sorted by date from newest to oldest,
# so we don't need to sort them
releases = repo.get_releases()
for r in releases:
# Match assets by filename instead of by position: each release has
# exactly one ISO plus its Minisign signature (<iso-name>.minisig),
# alongside other assets (checksums, source archives, etc.) whose
# count varies over time. Index-based access breaks whenever that
# count changes, so look the pair up by name.
assets = {a.name: a for a in r.assets}
iso = next((a for name, a in assets.items() if name.endswith(".iso")), None)
if iso is None:
continue # no ISO in this release, skip
sig = assets.get(iso.name + ".minisig")
if sig is None:
continue # ISO without a signature, skip
image = {}
image["iso_url"] = iso.browser_download_url
image["sig_url"] = sig.browser_download_url
image["title"] = r.name # r.title is deprecated in PyGithub
images.append(image)
return images
def render_image_list(images):
tmpl = jinja2.Template("""
<ul>
{% for i in images %}
<li><a href="{{i.iso_url}}">{{i.title}}</a> (<a href="{{i.sig_url}}">sig</a>)</li>
{% endfor %}
</ul>
""")
return tmpl.render(images=images)
if __name__ == '__main__':
gh_token_string = os.getenv('GH_ACCESS_TOKEN')
gh_auth = github.Auth.Token(gh_token_string)
gh = github.Github(auth=gh_auth)
repo = gh.get_repo(REPO)
images = list_images(repo)
print(render_image_list(images))
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