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https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
342d0f7271
generate_site.py --engine starlight writes the pages, navigation and data files of an Astro Starlight project in website/. Links resolve to site addresses, every heading keeps its MkDocs id, and pages split by size are measured in the MkDocs Markdown so both builds cut the same files. The 839 pages and their 45,613 ids match the MkDocs build.
58 lines
2.4 KiB
Python
58 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""Lighthouse mobile (default form factor) on a list of pages, one summary line each.
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python lighthouse.py <out dir> <name>=<base url> ... -- <page> ...
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Needs `npx lighthouse` and Chrome at /usr/bin/google-chrome.
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"""
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from __future__ import annotations
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import json
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import os
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import subprocess
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import sys
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from pathlib import Path
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CATEGORIES = ("performance", "accessibility", "best-practices", "seo")
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def main() -> int:
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args = sys.argv[1:]
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out = Path(args.pop(0))
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split = args.index("--")
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engines = dict(item.split("=", 1) for item in args[:split])
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pages = args[split + 1:]
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out.mkdir(parents=True, exist_ok=True)
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env = {**os.environ, "CHROME_PATH": "/usr/bin/google-chrome"}
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for name, base in engines.items():
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for page in pages:
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slug = page.strip("/").replace("/", "_") or "home"
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report = out / f"{name}-{slug}.json"
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# Under WSL chrome-launcher names its profile folder with a Windows path,
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# created relative to the working directory: run it inside the output folder.
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subprocess.run(
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["npx", "--prefix", str(Path(__file__).resolve().parent.parent), "lighthouse", base + page,
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"--quiet", "--output=json", f"--output-path={report.resolve()}",
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"--chrome-flags=--headless=new --no-sandbox",
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f"--only-categories={','.join(CATEGORIES)}"],
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env=env, cwd=out, check=False, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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data = json.loads(report.read_text())
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cats, audits = data["categories"], data["audits"]
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failed = [k for k, a in audits.items()
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if a.get("score") is not None and a["score"] < 1 and a.get("scoreDisplayMode") == "binary"]
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print(json.dumps({
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"engine": name, "page": page or "/",
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**{c: round(cats[c]["score"] * 100) for c in CATEGORIES},
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"lcp": audits["largest-contentful-paint"]["displayValue"],
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"tbt": audits["total-blocking-time"]["displayValue"],
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"cls": audits["cumulative-layout-shift"]["displayValue"],
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"bytes": audits["total-byte-weight"]["displayValue"],
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"dom": audits["dom-size"]["displayValue"],
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"failed": failed,
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}))
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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