import cv2
import logging
import sys

sys.setrecursionlimit(5000)


def decode_qr_code(image_path: str) -> str:
    """
    使用 OpenCV 识别二维码并返回内容
    :param image_path: 输入图片的路径
    :return: 二维码的内容
    """
    try:
        # 读取图片
        image = cv2.imread(image_path)
        if image is None:
            print(f"无法读取图片: {image_path}")
            return None

        # 创建 QRCodeDetector 对象
        qr_code_detector = cv2.QRCodeDetector()

        # 解码二维码
        data, points, straight_qrcode = qr_code_detector.detectAndDecode(image)
        if data:
            print(f"二维码内容: {data}")
            return data
        else:
            print("未找到二维码")
            return None
    except Exception as e:
        print(f"解码二维码时发生错误: {e}")
        return None

if __name__ == "__main__":
    # 输入图片路径
    image_path = input("请输入图片的路径: ")

    # 识别二维码
    qr_code_content = decode_qr_code(image_path)
    if qr_code_content:
        print(f"二维码内容: {qr_code_content}")
    else:
        print("无法识别二维码")