资源简介
使用方法:
1.电脑需要安装 Python 3.x 以上版本;
2.解压 Android 的第三方 ROM 包,把 system.new.dat 和 system.transfer.list 两个文件放入此文件夹内;
3.双击 sdat2img.bat 等待几秒即可生成新的 system.img 文件。
代码片段和文件信息
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#====================================================
# FILE: sdat2img.py
# AUTHORS: xpirt - luxi78 - howellzhu
# DATE: 2015-10-11 16:33:32 CST
#====================================================
import sys os
try:
TRANSFER_LIST_FILE = str(sys.argv[1])
NEW_DATA_FILE = str(sys.argv[2])
OUTPUT_IMAGE_FILE = str(sys.argv[3])
except IndexError:
print (“\nsdat2img - usage is: \n\n sdat2img \n\n“)
print (“Visit xda thread for more information.\n“)
try:
input = raw_input
except NameError: pass
input (“Press ENTER to exit...\n“)
sys.exit()
BLOCK_SIZE = 4096
def rangeset(src):
src_set = src.split(‘‘)
num_set = [int(item) for item in src_set]
if len(num_set) != num_set[0]+1:
print (‘Error on parsing following data to rangeset:\n%s‘ % src)
sys.exit(1)
return tuple ([ (num_set[i] num_set[i+1]) for i in range(1 len(num_set) 2) ])
def parse_transfer_list_file(path):
trans_list = open(TRANSFER_LIST_FILE ‘r‘)
version = int(trans_list.readline()) # 1st line = transfer list version
new_blocks = int(trans_list.readline()) # 2nd line = total number of blocks
# system.transfer.list:
# - version 1: android-5.0.0_r1
# - version 2: android-5.1.0_r1
# - version 3: android-6.0.0_r1
# skip next 2 lines. we don‘t need this stuff now
if version >= 2:
trans_list.readline() # 3rd line = stash entries needed simultaneously
trans_list.readline() # 4th line = number of blocks that will be stashed
commands = []
for line in trans_list:
line = line.split(‘ ‘) # 5th & next lines should be only commands
cmd = line[0]
if cmd in [‘erase‘ ‘new‘ ‘zero‘]:
commands.append([cmd rangeset(line[1])])
else:
# skip lines starting with numbers they‘re not commands anyway.
if not cmd[0].isdigit():
print (‘No valid command: %s.‘ % cmd)
trans_list.close()
sys.exit(1)
trans_list.close()
return version new_blocks commands
def init_output_file_size(output_file_obj commands):
all_block_sets = [i for command in commands for i in command[1]]
max_block_num = max(pair[1] for pair in all_block_sets)
output_file_obj.seek(max_block_num*BLOCK_SIZE - 1)
output_file_obj.write(‘\0‘.encode(‘utf-8‘))
output_file_obj.flush()
def main(argv):
version new_blocks commands = parse_transfer_list_file(TRANSFER_LIST_FILE)
output_img = open(OUTPUT_IMAGE_FILE ‘wb‘)
init_output_file_size(output_img commands)
new_data_file = open(NEW_DATA_FILE ‘rb‘)
for command in commands:
if command[0] == ‘new‘:
for block in command[1]:
begin = block[0]
end = block[1]
block_count = end - be
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 361 2018-04-22 14:31 readme.txt
文件 58 2016-02-14 12:43 sdat2img.bat
文件 3489 2015-11-29 09:01 sdat2img.py
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