expqr/reader/__init__.py

import zxing
import pyzbar.pyzbar
import PIL.Image
import PIL.ImageEnhance
import PIL.ImageFilter
import sys
import tempfile

class QRCode:
    def __init__(self, content, rect):
        self.content = content
        self.rect = rect

def read_code(image):
    reader = zxing.BarCodeReader()
    codes = []

    for _ in range(10):
        tempimage = tempfile.NamedTemporaryFile(suffix=".png")
        image.write(tempimage.name)
        zxcontent = reader.decode(tempimage.name)
        zbcontent = pyzbar.pyzbar.decode(PIL.Image.open(tempimage.name))
        content = []

        if zxcontent:
            content.append(zxcontent.raw)

        for single in zbcontent:
            content.append(single.data.decode())

        for code in content:
            if code.startswith("EXP360:"):
                return code

        image.modulate(150, 100, 100)
        image.contrast(150)

if __name__ == "__main__":
    content = read_code(sys.argv[1])
    print(content)