elphyio.py 文件源码

def set_nomenclature(self):
        """
        As in get_nomenclature, but set the title of the file header
        in the file, encoded as a pascal string containing 
        15 characters and stored as 16 bytes of binary data.  
        """
        self.file.seek(0)
        title = 'DAC2 objects'
        st = struct.Struct( '<B15sH' )
        header_rec = [len(title), title, 18] # constant header
        header_chr = st.pack( *header_rec )
        self.header_size = len( header_chr )
        self.file.write( header_chr )