Merge pull request #713 from TimOsahenru/script_for_resizing_images

Simple image resize scripts

Author: TimOsahenru

image_resize.py

@@ -0,0 +1,83 @@
+from PIL import Image
+import os
+
+
+def crop_to_ratio(img, target_ratio):
+    """Crop image to target ratio (e.g., 16/9 or 1/1) without distortion."""
+    width, height = img.size
+    current_ratio = width / height
+
+    if current_ratio > target_ratio:
+        # Crop width
+        new_width = int(height * target_ratio)
+        left = (width - new_width) // 2
+        return img.crop((left, 0, left + new_width, height))
+    else:
+        # Crop height
+        new_height = int(width / target_ratio)
+        top = (height - new_height) // 2
+        return img.crop((0, top, width, top + new_height))
+
+def process_image(file_path, ratio, max_size, format="webp"):
+    """Process and overwrite the original image: crop, resize, convert format."""
+    try:
+        with Image.open(file_path) as img:
+            # Crop to target ratio
+            if ratio:
+                img = crop_to_ratio(img, ratio)
+            
+            # Resize to max dimensions
+            if max_size:
+                img.thumbnail(max_size)
+            
+            # convert to webp if no transparency
+            if format.lower() == "webp" and img.mode != "RGBA":
+                file_path = os.path.splitext(file_path)[0] + ".webp"
+                img.save(file_path, "webp", optimize=True, quality=85)
+            else:
+                img.save(file_path, optimize=True)
+            
+            print(f"✅ Overwritten: {file_path}")
+    except Exception as e:
+        print(f"❌ Failed {file_path}: {str(e)}")
+
+def main():
+    folder = "assets/images" 
+    
+    # Rules for image types
+    rules = [
+        {
+            "suffix": ["banner", "header"],
+            "ratio": 16/9,
+            "max_size": (1920, 1080),  # Min size enforced via cropping
+            "format": "webp"
+        },
+        {
+            "suffix": ["thumb", "profile"],
+            "ratio": 1/1,
+            "max_size": (800, 800),
+            "format": "webp"
+        }
+    ]
+
+    for filename in os.listdir(folder):
+        if filename.lower().endswith(('.jpg', '.jpeg', '.png', '.webp')):
+            file_path = os.path.join(folder, filename)
+            
+            # Apply first rule
+            matched_rule = None
+            for rule in rules:
+                if any(keyword in filename.lower() for keyword in rule["suffix"]):
+                    matched_rule = rule
+                    break
+            
+            # no cropping, resize to 800x600, convert to webp if no transparency
+            if not matched_rule:
+                with Image.open(file_path) as img:
+                    format = "webp" if img.mode != "RGBA" else "png"
+                matched_rule = {"ratio": None, "max_size": (800, 600), "format": format}
+
+            process_image(file_path, **matched_rule)
+
+if __name__ == "__main__":
+    main()

requirements.txt

@@ -15,3 +15,5 @@ pytest-playwright
 pytest-xprocess
 axe-core-python==0.1.0
 axe-playwright-python==0.1.4
+Pillow==11.2.1
+