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mirror of https://github.com/Yubico/yubioath-flutter.git synced 2024-12-21 17:21:42 +03:00
yubioath-flutter/ykman-rpc/rpc/qr.py
2022-03-29 13:57:08 +02:00

22 lines
621 B
Python

import mss
import zxingcpp
import base64
import io
from PIL import Image
def scan_qr(image_data = None):
if (image_data):
msg = base64.b64decode(image_data)
buf = io.BytesIO(msg)
img = Image.open(buf)
else:
with mss.mss() as sct:
monitor = sct.monitors[0] # 0 is the special "all monitors" value.
sct_img = sct.grab(monitor) # mss format
img = Image.frombytes("RGB", sct_img.size, sct_img.bgra, "raw", "BGRX")
result = zxingcpp.read_barcode(img)
if result.valid:
return result.text
raise ValueError("Unable to read QR code")