Files
openclaw/skills/qr-code/scripts/qr_generate.py
Omar Khaleel ad13c265ba feat(skills): add QR code skill (#8817)
feat(skills): add QR code generation and reading skill

Adds qr-code skill with:
- qr_generate.py - Generate QR codes with customizable size/error correction
- qr_read.py - Decode QR codes from images
- SKILL.md documentation

Co-authored-by: Omar-Khaleel
2026-02-05 13:34:43 -08:00

73 lines
2.2 KiB
Python

#!/usr/bin/env python3
"""
QR Code Generator - Create QR codes from text/URLs
Author: Omar Khaleel
License: MIT
"""
import argparse
import sys
try:
import qrcode
from qrcode.constants import ERROR_CORRECT_L, ERROR_CORRECT_M, ERROR_CORRECT_Q, ERROR_CORRECT_H
except ImportError:
print("Error: qrcode package not installed. Run: pip install qrcode pillow")
sys.exit(1)
ERROR_LEVELS = {
'L': ERROR_CORRECT_L, # 7% error correction
'M': ERROR_CORRECT_M, # 15% error correction
'Q': ERROR_CORRECT_Q, # 25% error correction
'H': ERROR_CORRECT_H, # 30% error correction
}
def generate_qr(data: str, output_path: str, box_size: int = 10, border: int = 4, error_level: str = 'M'):
"""Generate a QR code and save it to a file."""
# FIX: Use version=None to allow automatic sizing for large data
qr = qrcode.QRCode(
version=None,
error_correction=ERROR_LEVELS.get(error_level.upper(), ERROR_CORRECT_M),
box_size=box_size,
border=border,
)
qr.add_data(data)
qr.make(fit=True)
img = qr.make_image(fill_color="black", back_color="white")
img.save(output_path)
return output_path
def main():
parser = argparse.ArgumentParser(description='Generate QR codes from text or URLs')
parser.add_argument('data', help='Text or URL to encode in QR code')
parser.add_argument('output', help='Output file path (PNG)')
parser.add_argument('--size', type=int, default=10, help='Box size in pixels (default: 10)')
parser.add_argument('--border', type=int, default=4, help='Border size in boxes (default: 4)')
parser.add_argument('--error', choices=['L', 'M', 'Q', 'H'], default='M',
help='Error correction level: L=7%%, M=15%%, Q=25%%, H=30%% (default: M)')
args = parser.parse_args()
try:
output = generate_qr(
data=args.data,
output_path=args.output,
box_size=args.size,
border=args.border,
error_level=args.error
)
print(f"QR code saved to: {output}")
except Exception as e:
print(f"Error generating QR code: {e}")
sys.exit(1)
if __name__ == "__main__":
main()