def _read_header(self):
offset = Bit.u32_from(self._fp.read(4))
self._fp.seek(offset)
# 读取秘钥
keylen = self._fp.read(1)[0]
if keylen > 0:
self._parser = self.Parser(keylen)
self._parser.load(self._fp.read(keylen + 4))
# 读取hash种子和文件数量
buffer = self._fp.read(4)
self._hseed = Bit.u16_from(buffer)
filenum = Bit.u16_from(buffer[2:])
# 读取文件表
buffer = self._fp.read(filenum * 12) # tag+pos+len=12
offset = 0
self._hashmap = {}
for i in range(filenum):
tag = Bit.u32_from(buffer[offset:offset + 4])
offset += 4
pos = Bit.u32_from(buffer[offset:offset + 4])
offset += 4
size = Bit.u32_from(buffer[offset:offset + 4])
offset += 4
self._hashmap[tag] = (pos, size)
log.d('unpack bale files:', filenum)
def _out_pkg(self, build_look_map):
if not os.path.isdir(self._ulo_path):
os.makedirs(self._ulo_path)
for excel_name, sheet_dict in self._new_dict.items():
ba = Bit.ByteArray().init_capacity(1024 * 1024 * 8)
ba.set_position(2)
sheet_nums = self._build_buf(excel_name, sheet_dict, ba)
ba.set_position(0).write_u16(sheet_nums) # 写入表的数量
with open(os.path.join(self._ulo_path, excel_name + '.ulo'),
'wb') as fp:
fp.write(ba.slim_buffer())
total_nums = 0
for name in os.listdir(self._ulo_path):
ulofile = os.path.join(self._ulo_path, name)
if FS.filename(name) not in build_look_map:
log.w('删除表文件:', ulofile)
os.remove(ulofile)
else:
with open(ulofile, 'rb') as fp:
total_nums += Bit.u16_from(fp.read(2))
return total_nums