import exifread
import json
# 读取大疆的图片的元信息，并返回前端，输入为图片的路径
def read_dji_exif_to_dict(image_path):
    with open(image_path, 'rb') as f:
        tags = exifread.process_file(f)

    # 初始化结果字典
    exif_dict = {
        "all_tags": {},
        "dji_tags": {}
    }

    # 处理所有标签（排除缩略图和文件名）
    for tag in tags.keys():
        if tag not in ('JPEGThumbnail', 'TIFFThumbnail', 'Filename'):
            exif_dict["all_tags"][str(tag)] = str(tags[tag])  # 统一转为字符串

    # 提取大疆特有标签
    dji_tags = [k for k in tags.keys() if 'DJI' in str(k) or 'Drone' in str(k)]
    for tag in dji_tags:
        exif_dict["dji_tags"][str(tag)] = str(tags[tag])

    return exif_dict