from ctypes import Structure, c_double, c_int, sizeof

class GlithData(Structure):
    _fields_ = [
        ('data', c_double * 2000),  # 定义长度为2000的double数组
        ('data_size', c_int)
    ]
def Transf(data,type_name="GlithData"):
    try:
        if type_name=="GlithData":
            return  GlithData.from_buffer_copy(data)
    except:
        return None
    return None