fix: UFO 导入图片路径对齐后台目录，失败不写外站 URL

商品/专区/规则/轮播分别进 shangpin/shangpintupian、zhuanqu、guize、a_long/lunbo；库只存相对路径。

Co-authored-by: Cursor <cursoragent@cursor.com>

jituan/management/commands/import_ufo_catalog.py

@@ -163,24 +163,20 @@ class Command(BaseCommand):
         }
 
         def to_oss(url: str, prefix: str) -> str:
+            """下载原图 → 上传到本站 OSS → 返回相对路径（与后台 AddProduct 一致）。"""
             if not url:
                 return ''
             if skip_oss:
+                # 应急：允许写完整 URL；正式导入不要加 --skip-oss
                 return url
             if not str(url).startswith('http'):
                 return url
-            try:
-                path = self._upload_remote(url, prefix)
-                if path:
-                    stats['oss_ok'] += 1
-                    return path
+            path = self._upload_remote(url, prefix)
+            if not path:
                 stats['oss_fail'] += 1
-                self.stderr.write(f'OSS 失败，保留原 URL: {url}')
-                return url
-            except Exception as exc:  # noqa: BLE001
-                stats['oss_fail'] += 1
-                self.stderr.write(f'OSS 异常 {url}: {exc}')
-                return url
+                raise CommandError(f'OSS 上传失败，已中止以免库里写入外站链接: {url}')
+            stats['oss_ok'] += 1
+            return path
 
         with transaction.atomic():
             cfg, created = ClubShangpinLeixingConfig.query.get_or_create(
@@ -205,7 +201,7 @@ class Command(BaseCommand):
                 if not name:
                     continue
                 src_id = int(z.get('source_id') or 0)
-                thumb = to_oss(z.get('thumb_url') or '', f'ufo/zones/{src_id or idx}')
+                thumb = to_oss(z.get('thumb_url') or '', 'shangpin/zhuanqu')
                 row = ShangpinZhuanqu.query.filter(
                     club_id=TARGET_CLUB,
                     mingzi=name,
@@ -253,9 +249,9 @@ class Command(BaseCommand):
 
                 pics = list(p.get('pics_url') or [])
                 thumb = p.get('thumb_url') or (pics[0] if pics else '')
-                tupian = to_oss(thumb, f'ufo/products/{p.get("source_id")}')
+                tupian = to_oss(thumb, 'shangpin/shangpintupian')
                 rule_imgs = list(p.get('rule_images_url') or [])
-                guize = to_oss(rule_imgs[0], f'ufo/rules/{p.get("source_id")}') if rule_imgs else ''
+                guize = to_oss(rule_imgs[0], 'shangpin/guize') if rule_imgs else ''
 
                 weigh = int(p.get('weigh') or p.get('home_weigh') or 0)
                 on_shelf = int(p.get('status') or 1) == 1
@@ -319,7 +315,7 @@ class Command(BaseCommand):
                         ImageType=image_type,
                     ).delete()
                     for b in items:
-                        url = to_oss(b.get('url') or '', f'ufo/lunbo/{page_key}')
+                        url = to_oss(b.get('url') or '', 'a_long/lunbo')
                         if not url:
                             continue
                         Lunbo.query.create(
@@ -388,13 +384,19 @@ class Command(BaseCommand):
 
     @staticmethod
     def _upload_remote(url: str, prefix: str) -> str:
+        """返回 OSS 相对 key；失败返回空串。与后台一致：DB 只存相对路径。"""
+        from datetime import datetime
+
         from utils.oss_utils import upload_to_oss
 
-        ctx = ssl.create_default_context()
-        req = Request(url, headers={'User-Agent': 'UFO-Import/1.0'})
-        with urlopen(req, timeout=60, context=ctx) as resp:
-            raw = resp.read()
-            ctype = resp.headers.get('Content-Type') or ''
+        try:
+            ctx = ssl.create_default_context()
+            req = Request(url, headers={'User-Agent': 'UFO-Import/1.0'})
+            with urlopen(req, timeout=60, context=ctx) as resp:
+                raw = resp.read()
+                ctype = resp.headers.get('Content-Type') or ''
+        except Exception:  # noqa: BLE001
+            return ''
 
         ext = mimetypes.guess_extension((ctype or '').split(';')[0].strip()) or ''
         if not ext or ext == '.jpe':
@@ -403,10 +405,11 @@ class Command(BaseCommand):
         if ext == '.jpeg':
             ext = '.jpg'
 
-        rel = f"{prefix.strip('/')}/{uuid.uuid4().hex[:10]}{ext}"
+        ts = datetime.now().strftime('%Y%m%d%H%M%S')
+        rel = f"{prefix.strip('/')}/{ts}_{uuid.uuid4().hex[:8]}{ext}"
         bio = BytesIO(raw)
         bio.name = os.path.basename(rel)
         ok = upload_to_oss(bio, rel)
         if not ok:
             return ''
-        return rel
+        return rel  # 关键：只返回相对路径，不返回完整 CDN URL