Frank Schwenk
8abd7ddb59
Ergänzt Backfill- und Hilfsskripte, erzeugt nach der Pixazo-Generierung komprimierte srcset-Varianten, validiert leere Bilder und fügt Favicon, Web Manifest sowie Open-Graph-/Twitter-Tags in die Templates ein. Co-authored-by: Cursor <cursoragent@cursor.com>
86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
#!/usr/bin/env python3
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"""Create responsive image variants and patch existing HTML img tags."""
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from __future__ import annotations
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import argparse
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import os
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import re
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import sys
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from pathlib import Path
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from generate import log, write_text_atomic
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from images import create_responsive_variants, iter_source_images
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HERO_IMG_RE = re.compile(
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r'<img src="/img/(\d{4}-\d{2}-\d{2})\.jpg" alt="([^"]*)" width="560" height="420">'
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)
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THUMB_IMG_RE = re.compile(
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r'<img src="/img/(\d{4}-\d{2}-\d{2})\.jpg" alt="([^"]*)" width="360" height="203" loading="lazy">'
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)
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def patch_html_images(path: Path, descriptors: dict[str, dict[str, str]]) -> bool:
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html = path.read_text(encoding="utf-8")
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original = html
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def replace_hero(match: re.Match[str]) -> str:
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date_iso, alt = match.group(1), match.group(2)
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image = descriptors.get(date_iso)
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if not image:
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return match.group(0)
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return (
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f'<img src="{image["src"]}" srcset="{image["srcset"]}" sizes="{image["sizes"]}" '
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f'alt="{alt}" width="560" height="420">'
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)
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def replace_thumb(match: re.Match[str]) -> str:
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date_iso, alt = match.group(1), match.group(2)
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image = descriptors.get(date_iso)
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if not image:
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return match.group(0)
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return (
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f'<img src="{image["thumb_src"]}" srcset="{image["thumb_srcset"]}" '
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f'sizes="{image["thumb_sizes"]}" alt="{alt}" width="360" height="203" loading="lazy">'
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)
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html = HERO_IMG_RE.sub(replace_hero, html)
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html = THUMB_IMG_RE.sub(replace_thumb, html)
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if html != original:
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write_text_atomic(path, html)
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log(f"patched images in {path}")
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return True
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return False
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def main() -> int:
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parser = argparse.ArgumentParser(description="Create responsive hero image variants")
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parser.add_argument("--site-dir", default=None)
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args = parser.parse_args()
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repo_root = Path(__file__).resolve().parent.parent
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site_dir = Path(args.site_dir or os.environ.get("SITE_DIR", repo_root / "public"))
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img_dir = site_dir / "img"
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descriptors: dict[str, dict[str, str]] = {}
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for source in iter_source_images(img_dir):
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date_iso = source.stem
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descriptor = create_responsive_variants(img_dir, date_iso)
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if descriptor:
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descriptors[date_iso] = descriptor
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log(f"created variants for {date_iso}")
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patched = 0
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targets = [site_dir / "index.html", site_dir / "archiv" / "index.html"]
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targets.extend(sorted((site_dir / "archiv").glob("2026-*.html")))
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for path in targets:
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if path.exists():
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patched += patch_html_images(path, descriptors)
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log(f"done, {len(descriptors)} image set(s), patched {patched} html file(s)")
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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