Python QRCode decoder

qrdecoder.py

# -*- coding: utf-8 -*-
#
# Copyright 2020 isobar. All Rights Reserved.
#
# Usage:
#   python qrdecoder.py img.jpg
#
import os
import sys
import json
import argparse
from pyzbar.pyzbar import decode, ZBarSymbol
from PIL import Image


parser = argparse.ArgumentParser(description='QRCode decoder')
parser.add_argument('file', help='image file')
args = parser.parse_args()

def dec(imgdata):
    qr_dic = {}
    for data in imgdata:
        x = data[2][0]
        qr_dic[x] = data[0].decode('UTF-8')
    for qr in sorted(qr_dic.keys()):
        print('>>>',qr_dic[qr])

if __name__ == "__main__":
    print("Processing:",args.file)
    r = decode(Image.open(args.file), symbols=[ZBarSymbol.QRCODE])
    dec(r)