python 两个json的diff

def json_diff(src_data, dst_data):
    noise_data = {}
    if isinstance(src_data, dict) and isinstance(dst_data, dict):
        for k in src_data:
            if k not in dst_data:
                noise_data[k] = {"src": src_data[k], "dst": "not exist"}
        for k in dst_data:
            if k not in src_data:
                noise_data[k] = {"src": "not exist", "dst": dst_data[k]}
            else:
                diff = json_diff(src_data[k], dst_data[k])
                if diff:
                    noise_data[k] = diff
    elif isinstance(src_data, list) and isinstance(dst_data, list):
        if len(src_data) != len(dst_data):
            noise_data = {"src": src_data, "dst": dst_data}
        else:
            for k in range(len(src_data)):
                diff = json_diff(src_data[k], dst_data[k])
                if diff:
                    noise_data[k] = diff
    else:
        if src_data != dst_data:
            noise_data = {"src": src_data, "dst": dst_data}

    return noise_data