addon

backend/regenerate_thumbnails.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+"""
+Script pour régénérer toutes les miniatures avec le nouveau ratio (48px)
+"""
+import os
+import sys
+from pathlib import Path
+
+# Add app to path
+sys.path.insert(0, str(Path(__file__).parent))
+
+from app.db.session import get_peripherals_db
+from app.models.peripheral import PeripheralPhoto
+from app.utils.image_processor import ImageProcessor
+
+
+def regenerate_thumbnails():
+    """Régénérer toutes les miniatures"""
+    db = next(get_peripherals_db())
+
+    try:
+        # Get all photos
+        photos = db.query(PeripheralPhoto).all()
+
+        total = len(photos)
+        success = 0
+        errors = 0
+
+        print(f"📊 Trouvé {total} photos")
+        print("=" * 60)
+
+        for i, photo in enumerate(photos, 1):
+            print(f"\n[{i}/{total}] Photo ID {photo.id} - {photo.filename}")
+
+            # Check if main image exists
+            if not os.path.exists(photo.stored_path):
+                print(f"  ⚠️  Image principale introuvable : {photo.stored_path}")
+                errors += 1
+                continue
+
+            # Get upload directory
+            upload_dir = os.path.dirname(photo.stored_path)
+
+            try:
+                # Delete old thumbnail
+                if photo.thumbnail_path and os.path.exists(photo.thumbnail_path):
+                    old_size = os.path.getsize(photo.thumbnail_path)
+                    os.remove(photo.thumbnail_path)
+                    print(f"  🗑️  Ancienne miniature supprimée ({old_size} octets)")
+
+                # Generate new thumbnail with aspect ratio preserved
+                thumbnail_path, thumbnail_size = ImageProcessor.create_thumbnail_with_level(
+                    image_path=photo.stored_path,
+                    output_dir=upload_dir,
+                    compression_level="medium"
+                )
+
+                # Update database
+                photo.thumbnail_path = thumbnail_path
+                db.commit()
+
+                print(f"  ✅ Nouvelle miniature : {os.path.basename(thumbnail_path)} ({thumbnail_size} octets)")
+
+                # Show dimensions
+                from PIL import Image
+                with Image.open(thumbnail_path) as img:
+                    print(f"  📐 Dimensions : {img.width}×{img.height}px")
+
+                success += 1
+
+            except Exception as e:
+                print(f"  ❌ Erreur : {e}")
+                db.rollback()
+                errors += 1
+
+        print("\n" + "=" * 60)
+        print(f"✅ Succès : {success}/{total}")
+        print(f"❌ Erreurs : {errors}/{total}")
+
+    finally:
+        db.close()
+
+
+if __name__ == "__main__":
+    print("🖼️  Régénération des miniatures avec ratio d'aspect conservé (48px)")
+    print("=" * 60)
+    regenerate_thumbnails()