Files
blog/scripts/migrate/photos_migrate.py
T
wait4xandGLM-5.3 44bfb23efb feat(gallery): 原图查看与下载——仓外 originals store 双轨制
- git 仓只进压缩版(构建用);原图落 ~/docker_apps/blog/photos-originals/
  (迁移器/ingest 双入口写入,幂等),build.sh 独立 rsync 到
  staging/photos-originals/(同一静态根,零 nginx 改动)
- lightbox 增「原图」(新标签全尺寸)+「下载」(download 属性带文件名)
- 原图持久保障:store + Phase 0 备份 tar 双留档;存量 21 张已回填(196M)

验证: astro build 11 页 exit 0;dist/gallery 含 lb-original×2 与
      photos-originals 引用;staging/photos-originals 21 张实测

Spec: none (用户功能补req:原图查看/下载,跨 Phase 独立小特性)

Co-authored-by: GLM-5.3
2026-10-25 09:12:26 +08:00

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#!/usr/bin/env python3
"""图库迁移(Phase 2 T3):Halo photos → content/photos/{jpg,json sidecar}
EXIF 不在迁移时提——构建期 photos loader(src/lib/exif.ts)会补全;
sidecar 里 exif 留空对象。分组:Halo displayName 含山/雪/land/snow →
landscape,否则 street(当前仅一组 snow mountain → landscape)。
"""
import json
import re
import urllib.request
from pathlib import Path
from urllib.parse import unquote
BASE = "http://127.0.0.1:18090"
OUT = Path("content/photos")
def slugify(name: str) -> str:
stem = re.sub(r"\.(jpg|jpeg|png|webp)$", "", name, flags=re.I)
stem = re.sub(r"[^0-9A-Za-z\u4e00-\u9fff-]+", "-", stem).strip("-")
return stem or "photo"
def group_of(display: str) -> str:
low = display.lower()
return "landscape" if any(k in low for k in ("山", "雪", "snow", "land", "mountain")) else "street"
def compress(data: bytes) -> bytes:
from io import BytesIO
from PIL import Image
img = Image.open(BytesIO(data))
# EXIF 必须显式带上:PIL 重存默认剥离,而构建期 exifr 正是从文件提 EXIF
exif = img.info.get("exif")
if img.mode not in ("RGB", "L"):
img = img.convert("RGB")
img.thumbnail((2400, 2400))
buf = BytesIO()
# PIL 的 JPEG 保存不接受 exif=None(len(None) 崩),仅在确有 EXIF 时传参
kwargs = {"exif": exif} if exif else {}
img.save(buf, "JPEG", quality=86, optimize=True, **kwargs)
return buf.getvalue()
def main() -> int:
# 真实照片取代样例:先清样例(jpg/json 成对;仅清本脚本管辖的产物)
for f in OUT.glob("*"):
if f.suffix in (".jpg", ".json"):
f.unlink()
photos = json.load(open(".migration/photos.json", encoding="utf-8"))
n = 0
for p in photos:
spec = p["spec"]
url = spec.get("url") or spec.get("cover") or ""
if not url.startswith("/upload/"):
print(f" skip 非本站图: {url[:60]}")
continue
fname = unquote(url.rsplit("/", 1)[1])
slug = slugify(spec.get("displayName") or fname)
data = urllib.request.urlopen(BASE + url, timeout=60).read()
# 原图双留档:仓外 originals store(构建时独立 rsync,服务"查看原图/
# 下载")+ Phase 0 备份 tar;git 仓只进压缩版(196M 事故教训)
STORE = Path.home() / "docker_apps/blog/photos-originals"
STORE.mkdir(parents=True, exist_ok=True)
(STORE / f"{slug}.jpg").write_bytes(data)
(OUT / f"{slug}.jpg").write_bytes(compress(data))
(OUT / f"{slug}.json").write_text(json.dumps({
"title": spec.get("displayName", fname).rsplit(".", 1)[0],
"image": f"./{slug}.jpg",
"group": group_of(spec.get("groupName", "")),
"alt": spec.get("description", ""),
"exif": {},
}, ensure_ascii=False, indent=1))
n += 1
print(f"migrated {n} photos")
return 0 if n else 1
if __name__ == "__main__":
raise SystemExit(main())