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#!/usr/bin/env python3
# Copyright (C) 2021 KunoiSayami and contributors
#
# This module is part of KunoiSayami/repos and is released under
# the AGPL v3 License: https://www.gnu.org/licenses/agpl-3.0.txt
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from __future__ import annotations
import argparse
import asyncio
import logging
import re
from collections.abc import Coroutine
from dataclasses import dataclass
from pathlib import Path
import aiofiles
import aiohttp
MAX_WORKERS = 32
@dataclass
class Version:
pkgver: list[str]
pkgrel: list[str]
epoch: int
@classmethod
def from_str(cls, s: str) -> Version:
match = re.search(r"pkgver=(?P<VER>.*)", s)
if not match:
raise ValueError('pkgver keyword not found')
else:
pkgver = match.group('VER').split('.')
match = re.search(r"pkgrel=(?P<REL>.*)", s)
if not match:
pkgrel = ['1']
else:
pkgrel = match.group('REL').split('.')
match = re.search(r"epoch=(?P<EPOCH>\d+)", s)
if not match:
epoch = 0
else:
epoch = int(match.group('EPOCH'))
return cls(pkgver, pkgrel, epoch)
@classmethod
async def from_file(cls, file: str | Path) -> Version:
async with aiofiles.open(file, 'r', encoding='utf-8') as fin:
return cls.from_str(await fin.read())
def __eq__(self, other: Version) -> bool:
return self.epoch == other.epoch \
and self.pkgver == self.pkgver \
and self.pkgrel == other.pkgrel
def __gt__(self, other: Version) -> bool:
return self.epoch > other.epoch \
or self.pkgver > other.pkgver \
or (self.pkgver == other.pkgver and self.pkgrel > other.pkgrel)
def __ne__(self, other: Version) -> bool:
return not self.__eq__(other)
def __ge__(self, other: Version) -> bool:
return self.__gt__(other) or self.__eq__(other)
def __lt__(self, other: Version) -> bool:
return not self.__ge__(other)
def __str__(self) -> str:
prefix = f'{self.epoch}:' if self.epoch > 0 else ''
return f'{prefix}{self.pkgver}-{self.pkgrel}'
async def with_sem(sem: asyncio.Semaphore, coro: Coroutine):
async with sem:
return await coro
async def aur_check_update(session: aiohttp.ClientSession, item: Path, dry_run: bool) -> None:
if item.name.startswith('.') or not item.is_dir():
return
pkgbuild_file = item.joinpath('PKGBUILD')
if not pkgbuild_file.exists():
logging.warning(f'PKGBUILD not in {str(item)}, SKIP!')
return
version = await Version.from_file(pkgbuild_file)
async with session.get(f'https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h={item.name}') as resp:
if resp.status != 200:
logging.info(f'{item.name} not register in AUR')
return
new_version = Version.from_str(await resp.text())
if new_version == version:
return
elif new_version < version:
logging.warning(f'Warning: {version} is newer than AUR')
return
if item.joinpath('.git').exists():
if not dry_run:
await asyncio.create_subprocess_exec('git', '-C', f'{str(item)}', 'pull')
logging.info(f'Upgrade {item.name} from {version} to {new_version}')
else:
logging.info(f'Found update {item.name}({version}) (local: {new_version})')
async def main() -> int:
parser = argparse.ArgumentParser(description='aur-check-update.py')
parser.add_argument('--dry', help='dry run', action='store_true')
parser.add_argument('--max-workers', dest='workers', metavar='MAX_WORKERS',
help=f'aur check max workers, default: {MAX_WORKERS}',
default=MAX_WORKERS, action='store', type=int)
parser.add_argument(dest='repo_dir', metavar='REPO_DIR', help='repository directory', nargs='?')
args = parser.parse_args()
dry_run = args.dry
sem = asyncio.Semaphore(args.workers)
if args.repo_dir is None:
logging.error('repository directory not found')
return 1
repo_dir = Path(args.repo_dir)
async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(10)) as session:
tasks = [asyncio.create_task(
with_sem(sem, aur_check_update(session, item, dry_run))
) for item in repo_dir.iterdir()]
await asyncio.gather(*tasks)
return 0
if __name__ == '__main__':
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s - %(levelname)s - %(funcName)s - %(lineno)d - %(message)s')
loop = asyncio.get_event_loop()
exit(loop.run_until_complete(main()))
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