feat(conversation): add image upload script

Author: lzwjava

Diff for: scripts/conversation_upload/image.py

@@ -0,0 +1,65 @@
+import sys
+import os
+from PIL import Image
+
+DPI = 72
+
+def get_image_dimensions(image_path):
+    """Gets image dimensions in pixels and points."""
+    try:
+        image = Image.open(image_path)
+        width, height = image.size
+        dpi = image.info.get('dpi', (DPI, DPI))
+        print(f"  Image dimensions: width={width}, height={height}, dpi={dpi}")
+        return width, height, dpi
+    except Exception as e:
+        print(f"Error opening or processing image: {e}")
+        sys.exit(1)
+
+file_path = sys.argv[1]
+print(f"Processing image: {file_path}.jpg")
+
+# Check if the file exists
+if not os.path.exists(f"{file_path}.jpg"):
+    print(f"Error: File {file_path}.jpg not found.")
+    sys.exit(1)
+
+# Get image dimensions using PIL
+width, height, dpi = get_image_dimensions(f"{file_path}.jpg")
+
+# Calculate scale factor based on desired height of 480, maintaining aspect ratio
+scale_factor = 480 / height
+print(f"  Calculated scale factor: {scale_factor}")
+
+# Calculate new width based on scale factor
+new_width = int(width * scale_factor)
+print(f"  New width: {new_width}")
+
+try:
+    # Open the image
+    image = Image.open(f"{file_path}.jpg")
+    print("  Image opened successfully.")
+
+    # Resize the image
+    resized_image = image.resize((new_width, 480), Image.Resampling.LANCZOS)
+    print("  Image resized successfully.")
+
+    # Calculate the cropping box
+    left = (resized_image.width - 854) / 2
+    top = 0
+    right = (resized_image.width + 854) / 2
+    bottom = 480
+    print(f"  Cropping box: left={left}, top={top}, right={right}, bottom={bottom}")
+
+    # Crop the image
+    cropped_image = resized_image.crop((left, top, right, bottom))
+    print("  Image cropped successfully.")
+
+    # Save the processed image, overwriting the original
+    cropped_image.save(f"{file_path}.jpg")
+    print(f"  Image saved to {file_path}.jpg")
+
+
+except Exception as e:
+    print(f"Error processing image: {e}")
+    sys.exit(1)