Webmaster Utility Scripts - ETP KIT

This directory contains utility scripts for webmaster tasks at the Institute for Experimental Particle Physics (ETP) at Karlsruhe Institute of Technology (KIT).

Scripts

pad_imgs.py

Pads images to a target aspect ratio while preserving the original image quality and metadata.

Purpose: Useful for preparing images for the website where consistent aspect ratios are needed (e.g., profile photos, gallery images).

Usage:

python pad_imgs.py <image_path>

Example:

python pad_imgs.py photo.jpg
# Output: photo_pad.jpg

Features:

• Default aspect ratio: 2:3 (portrait orientation, needed for newsboxes on the homepage)
• Preserves EXIF orientation data
• Maintains ICC color profiles
• High-quality output (95% quality for JPEG, optimized compression)
• Smart white padding that adapts to image mode (RGB, RGBA, grayscale)
• Automatic format detection and preservation
• Centers the original image within the padded canvas

Supported Formats:

• JPEG
• PNG
• Other PIL-supported image formats

Requirements:

• Python 3.x
• Pillow (PIL)

Installation:

pip install Pillow

Contributing

When adding new utility scripts to this directory, please update this README with:

• Script name and description
• Usage instructions
• Requirements
• Examples

Contact

For questions or issues related to these scripts, contact the ETP webmaster.