clxud
66 lines
1.9 KiBLFS
Python
66 lines
1.9 KiBLFS
Python
import zstandard
|
|
import re
|
|
import os
|
|
import shutil
|
|
import zlib
|
|
import json
|
|
|
|
import lz4.block._block as lz4
|
|
from DAGOR_FILES.WtFileUtils.blk.BlkParser import BlkParser
|
|
|
|
|
|
class Replay:
|
|
def __init__(self, path_to_file):
|
|
self.is_good = False
|
|
if not os.path.exists(path_to_file):
|
|
print("Bad path")
|
|
return
|
|
#print(path_to_file)
|
|
self.path = path_to_file
|
|
self.is_server = False
|
|
with open(self.path, "rb") as f:
|
|
bin = f.read()
|
|
|
|
if len(bin) == 0:
|
|
return
|
|
self.header_dat = bytearray(bin[:0x000004CA])
|
|
if bin[0x000004CA] == 0x78:
|
|
self.is_server = True
|
|
if not self.is_server:
|
|
|
|
start_blk = BlkParser(bin, offset=0x000004CA)
|
|
self.header_blk_bytes =start_blk.bytes_
|
|
else:
|
|
self.header_blk_bytes = b""
|
|
|
|
if not self.is_server:
|
|
self.header_blk = start_blk.to_dict()
|
|
zlib_raw = start_blk.data.ReadRemaining()
|
|
else:
|
|
self.header_blk = {}
|
|
zlib_raw = bin[0x000004CA:]
|
|
|
|
d = zlib.decompressobj()
|
|
self.zlib_data = d.decompress(zlib_raw)
|
|
unused = d.unused_data
|
|
if len(unused) > 0:
|
|
footer = BlkParser(unused)
|
|
self.footer_blk = footer.to_dict()
|
|
self.footer_blk_bytes = footer.bytes_
|
|
|
|
else:
|
|
self.footer_blk = {}
|
|
self.footer_blk_bytes = b""
|
|
self.is_good = True
|
|
|
|
def build(self, path, compression):
|
|
inner_data = self.header_blk_bytes + zlib.compress(self.zlib_data, compression)
|
|
|
|
z = len(inner_data) + len(self.header_dat)
|
|
x = z.to_bytes(4, byteorder='little')
|
|
for i in range(4):
|
|
self.header_dat[0x000002AC+i] = x[i]
|
|
|
|
with open(path, "wb") as f:
|
|
f.write(self.header_dat+inner_data+self.footer_blk_bytes)
|