import cv2
from pyzbar.pyzbar import decode
import logging
import sys

sys.setrecursionlimit(3000)  # 增加最大递归深度



# 配置日
def convert_to_grayscale(image_path: str) -> str:
    """
    将输入图片转换为灰度图并保存
    :param image_path: 输入图片的路径
    :return: 灰度图的保存路径
    """
    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

        # 转换为灰度图
        gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

        # 保存灰度图
        gray_image_path = image_path.replace(".jpg", "_gray.jpg").replace(".png", "_gray.png")
        cv2.imwrite(gray_image_path, gray_image)
        print(f"灰度图已保存到 {gray_image_path}")
        return gray_image_path
    except Exception as e:
        print(f"转换为灰度图时发生错误: {e}")
        return None



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

    # 转换为灰度图
    gray_image_path = convert_to_grayscale(image_path)
    if gray_image_path:
        print(f"灰度图已保存到 {gray_image_path}")
    else:
        print("无法转换为灰度图")