3 def insert_crc(i_filename
, fbi_mode
=False, o_filename
=None):
5 o_filename
= i_filename
7 with
open(i_filename
, 'rb') as f
:
9 fcrc
= binascii
.crc32(fdata
).to_bytes(4, byteorder
="big")
10 flength
= len(fdata
).to_bytes(4, byteorder
="big")
12 with
open(o_filename
, 'wb') as f
: