Luke Granger-Brown
57725ef3ec
git-subtree-dir: third_party/nixpkgs git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
109 lines
3.3 KiB
Python
Executable file
109 lines
3.3 KiB
Python
Executable file
#! /usr/bin/env nix-shell
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#! nix-shell -i "python3 -I" -p "python3.withPackages(p: with p; [ aiohttp rich structlog ])"
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from argparse import ArgumentParser, Namespace
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from collections import defaultdict
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from collections.abc import Mapping, Sequence
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from enum import IntEnum
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from http import HTTPStatus
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from pathlib import Path
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from typing import Optional
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import asyncio, json, logging
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import aiohttp, structlog
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from structlog.contextvars import bound_contextvars as log_context
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LogLevel = IntEnum('LogLevel', {
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lvl: getattr(logging, lvl)
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for lvl in ('DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL')
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})
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LogLevel.__str__ = lambda self: self.name
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EXPECTED_STATUS=frozenset((
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HTTPStatus.OK, HTTPStatus.FOUND,
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HTTPStatus.NOT_FOUND,
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))
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async def check(session: aiohttp.ClientSession, manpage: str, url: str) -> HTTPStatus:
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with log_context(manpage=manpage, url=url):
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logger.debug("Checking")
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async with session.head(url) as resp:
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st = HTTPStatus(resp.status)
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match st:
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case HTTPStatus.OK | HTTPStatus.FOUND:
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logger.debug("OK!")
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case HTTPStatus.NOT_FOUND:
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logger.error("Broken link!")
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case _ if st < 400:
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logger.info("Unexpected code", status=st)
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case _ if 400 <= st < 600:
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logger.warn("Unexpected error", status=st)
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return st
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async def main(urls_path: Path) -> Mapping[HTTPStatus, int]:
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logger.info(f"Parsing {urls_path}")
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with urls_path.open() as urls_file:
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urls = json.load(urls_file)
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count: defaultdict[HTTPStatus, int] = defaultdict(lambda: 0)
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logger.info(f"Checking URLs from {urls_path}")
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async with aiohttp.ClientSession() as session:
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for status in asyncio.as_completed([
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check(session, manpage, url)
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for manpage, url in urls.items()
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]):
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count[await status]+=1
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ok = count[HTTPStatus.OK] + count[HTTPStatus.FOUND]
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broken = count[HTTPStatus.NOT_FOUND]
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unknown = sum(c for st, c in count.items() if st not in EXPECTED_STATUS)
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logger.info(f"Done: {broken} broken links, "
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f"{ok} correct links, and {unknown} unexpected status")
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return count
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def parse_args(args: Optional[Sequence[str]] = None) -> Namespace:
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parser = ArgumentParser(
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prog = 'check-manpage-urls',
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description = 'Check the validity of the manpage URLs linked in the nixpkgs manual',
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)
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parser.add_argument(
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'-l', '--log-level',
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default = os.getenv('LOG_LEVEL', 'INFO'),
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type = lambda s: LogLevel[s],
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choices = list(LogLevel),
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)
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parser.add_argument(
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'file',
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type = Path,
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nargs = '?',
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)
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return parser.parse_args(args)
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if __name__ == "__main__":
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import os, sys
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args = parse_args()
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structlog.configure(
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wrapper_class=structlog.make_filtering_bound_logger(args.log_level),
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)
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logger = structlog.getLogger("check-manpage-urls.py")
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urls_path = args.file
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if urls_path is None:
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REPO_ROOT = Path(__file__).parent.parent.parent.parent
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logger.info(f"Assuming we are in a nixpkgs repo rooted at {REPO_ROOT}")
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urls_path = REPO_ROOT / 'doc' / 'manpage-urls.json'
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count = asyncio.run(main(urls_path))
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sys.exit(0 if count[HTTPStatus.NOT_FOUND] == 0 else 1)
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