mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
125 lines
4.3 KiB
Python
Executable file
125 lines
4.3 KiB
Python
Executable file
#!/usr/bin/env python3
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"""
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This script is meant to be run by GitHub Actions.
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It comes with a Github Action updater.yml to run this script periodically.
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Since each app is different, maintainers can adapt its contents to perform
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automatic actions when a new upstream release is detected.
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You need to enable the action by removing `if ${{ false }}` in updater.yml!
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"""
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import hashlib
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import logging
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import os
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from subprocess import run, PIPE
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import textwrap
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from typing import List, Tuple, Any, Optional
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import requests
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from packaging import version
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import tomlkit
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logging.getLogger().setLevel(logging.INFO)
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# ========================================================================== #
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# Functions customizable by app maintainer
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def get_latest_version(repo: str) -> Tuple[version.Version, Any]:
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"""May be customized by maintainers for other forges than Github"""
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api_url = repo.replace("github.com", "api.github.com/repos")
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# May use {api_url}/tags and release["name"] for tag-based upstream
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releases = requests.get(f"{api_url}/tags").json()
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release_info = next(
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release for release in releases
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if "-rc" not in release["name"] and "REL" not in release["name"]
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)
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return version.Version(release_info["name"]), release_info
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def get_asset_urls_of_release(repo: str, release: Any) -> List[str]:
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"""May be customized by maintainers for custom urls"""
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rel = release['name']
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short_rel = '.'.join(rel.split('.')[:2])
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return [
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f"https://releases.wikimedia.org/mediawiki/{short_rel}/mediawiki-{rel}.tar.gz"
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]
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def handle_asset(asset_url: str) -> Optional[str]:
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"""This should be customized by the maintainer according to upstream"""
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logging.info("Handling asset at %s", asset_url)
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if asset_url.endswith(".tar.gz"):
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return "main"
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logging.info("Asset ignored")
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return None
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# ========================================================================== #
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# Core generic code of the script
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def sha256sum_of_url(url: str) -> str:
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"""Compute checksum without saving the file"""
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checksum = hashlib.sha256()
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for chunk in requests.get(url, stream=True, timeout=100).iter_content(chunk_size=4096):
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checksum.update(chunk)
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return checksum.hexdigest()
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def write_github_env(proceed: bool, new_version: str, branch: str):
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"""Those values will be used later in the workflow"""
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if "GITHUB_ENV" not in os.environ:
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logging.warning("GITHUB_ENV is not in the envvars, assuming not in CI")
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return
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with open(os.environ["GITHUB_ENV"], "w", encoding="utf-8") as github_env:
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github_env.write(textwrap.dedent(f"""\
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VERSION={new_version}
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BRANCH={branch}
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PROCEED={str(proceed).lower()}
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"""))
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def main():
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with open("manifest.toml", "r", encoding="utf-8") as manifest_file:
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manifest = tomlkit.loads(manifest_file.read())
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repo = manifest["upstream"]["code"]
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current_version = version.Version(manifest["version"].value.split("~")[0])
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latest_version, release_info = get_latest_version(repo)
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logging.info("Current version: %s", current_version)
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logging.info("Latest upstream version: %s", latest_version)
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# Proceed only if the retrieved version is greater than the current one
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if latest_version <= current_version:
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logging.warning("No new version available")
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write_github_env(False, "", "")
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return
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# Proceed only if a PR for this new version does not already exist
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branch = f"ci-auto-update-v{latest_version}"
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command = ["git", "ls-remote", "--exit-code", "-h", repo, branch]
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if run(command, stderr=PIPE, stdout=PIPE, check=False).returncode == 0:
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logging.warning("A branch already exists for this update")
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write_github_env(False, "", "")
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return
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assets = get_asset_urls_of_release(repo, release_info)
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logging.info("%d available asset(s)", len(assets))
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for asset in assets:
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name = handle_asset(asset)
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if name:
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manifest["resources"]["sources"][name]["url"] = asset
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manifest["resources"]["sources"][name]["sha256"] = sha256sum_of_url(asset)
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manifest["version"] = f"{latest_version}~ynh1"
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with open("manifest.toml", "w", encoding="utf-8") as manifest_file:
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manifest_file.write(tomlkit.dumps(manifest))
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write_github_env(True, latest_version, branch)
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if __name__ == "__main__":
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main()
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