[charlie] feat: Add AVIF support

README.md

@@ -22,7 +22,7 @@ Choose between two powerful image delivery platforms:
 - **🔄 Multi-Provider Support**: Choose between Cloudinary and AWS CloudFront/S3
 - **📦 Batch Image Processing**: Download images from URLs and upload to your chosen provider
 - **🎯 Smart Optimization**: Automatic resizing, quality adjustment, and format conversion
-- **🎨 Format Intelligence**: Automatically chooses the best format (JPEG, PNG, WebP) for optimal file size
+- **🎨 Format Intelligence**: Automatically chooses the best format (JPEG, PNG, WebP, AVIF) for optimal file size
 - **⚡ Unique URLs**: Adds timestamps to prevent filename conflicts and ensure cache busting
 - **🤖 AI Alt Text Generation**: Generate descriptive alt text using AltText.ai API
 - **🔌 REST API**: HTTP endpoints for programmatic access

cloudfront_provider.py

@@ -20,6 +20,12 @@
     from botocore.exceptions import ClientError
     from PIL import Image
 
+    # Optional: enable AVIF read/write support when pillow-avif-plugin is installed
+    try:
+        import pillow_avif  # noqa: F401
+    except Exception:
+        pass
+
     BOTO3_AVAILABLE = True
 except ImportError:
     BOTO3_AVAILABLE = False
@@ -129,8 +135,8 @@ def _optimize_image(
     def _get_best_format(
         self, img: Image.Image, original_path: str, quality: int = 82
     ) -> Tuple[bool, str]:
-        """Determine the best format (JPEG, PNG, WebP) based on file size"""
-        formats_to_try = ["JPEG", "PNG", "WEBP"]
+        """Determine the best format (JPEG, PNG, WebP, AVIF) based on file size"""
+        formats_to_try = ["JPEG", "PNG", "WEBP", "AVIF"]
 
         # Skip testing if the image has transparency and we're considering JPEG
         has_transparency = img.mode in ("RGBA", "LA") or (
@@ -164,6 +170,10 @@ def _get_best_format(
                         test_img.save(temp_file, format=fmt, optimize=True)
                     elif fmt == "WEBP":
                         test_img.save(temp_file, format=fmt, quality=quality, method=6)
+                    elif fmt == "AVIF":
+                        # AVIF uses a quality parameter similar to WebP.
+                        # pillow-avif-plugin adds support for saving AVIF via Pillow.
+                        test_img.save(temp_file, format=fmt, quality=quality)
 
                     # Get file size
                     file_size = os.path.getsize(temp_file)

requirements.txt

@@ -5,4 +5,5 @@ Werkzeug==3.1.3
 requests==2.32.3
 pillow==11.2.1
 python-dotenv==1.1.0
-cloudinary==1.40.0 
+cloudinary==1.40.0
+pillow-avif-plugin>=1.4.0