QR Barcode Generator

This project generates a series of QR codes (P0000 format) as SVG and PNG images, and combines them into a PDF. It is useful for creating printable barcode sheets for parkrun or similar events.

Requirements

Install dependencies:

pip install -r requirements.txt

Usage

1. All-in-one QR to PDF (grid layout)

python pr_qr_pdf.py

or for a range:

python pr_qr_pdf.py 301 400

Output

• qr_svgs/ — SVG QR codes
• qr_pngs/ — PNG QR codes
• qr_codes.pdf — PDF with all QR codes (grid layout)

Notes

• Ensure you have all dependencies installed (see requirements.txt).
• For PDF/PNG conversion, you need CairoSVG and Pillow.