android 8.1上面验证，支持所有的android版本，直接放到sdk中执行即可。 img2sdat.py#!/usr/bin/env python#coding=utf-8 import sys if sys.hexversion < 0x02070000: print >> sys.stderr, “Python 2.7 or newer is required.” sys.exit(1) from hashlib import sha1 as sha1 import commonimport sparse_img OPTIONS = common.OPTIONS try: PARTITION_NAME = str(sys.argv[1]) SYSTEM_IMG = str(sys.argv[2]) OUTPUT_DIR = str(sys.argv[3]) OPTIONS.outpath = OUTPUT_DIRexcept IndexError: print(‘\nUsage: img2sdat.py <partiton_name> <system_img> <system_new_dir>\n’) print(‘ eg: img2sdat.py system system.img system_new\n’) print(‘ <partiton_name>: input partition name’) print(‘ <img_name>: input image name’) print(‘ <new_dir>: image new dat dir’) print(‘ Visit xda thread for more information.\n’) try: input = raw_input except NameError: pass input(‘Press ENTER to exit…’) sys.exit() def main(argv): system_tgt = sparse_img.SparseImage(SYSTEM_IMG); system_tgt.ResetFileMap() system_diff = common.BlockDifference(PARTITION_NAME, system_tgt, src=None, check_first_block=False, version=4) if __name__ == ‘__main__’: main(sys.argv[1:]) 目前transfer.list已经最新的支持version=4， system.transfer.list版本进化，这里针对不同的android版本，传入不同的version=1/2/3/4即可 对common.py打patchdiff –git a/tools/releasetools/common.py b/tools/releasetools/common.pyindex 22d95a9..4b981e3 100644— a/tools/releasetools/common.py+++ b/tools/releasetools/common.py@@ -1406,6 +1406,12 @@ class BlockDifference(object): b = blockimgdiff.BlockImageDiff(tgt, src, threads=OPTIONS.worker_threads, version=self.version, disable_imgdiff=self.disable_imgdiff)++ self.path = os.path.join(OPTIONS.outpath, partition)+ print (self.path)+ b.Compute(self.path)+ return+ tmpdir = tempfile.mkdtemp() OPTIONS.tempfiles.append(tmpdir) self.path = os.path.join(tmpdir, partition) 然后即可在android的根目录下面执行如下命令：./build/tools/releasetools/img2sdat.py system out/target/product/xxxx/system.img out/target/product/xxxx/sdat/Total of 475136 4096-byte output blocks in 2302 input chunks.Finding transfers…Generating digraph…Finding vertex sequence…Reversing backward edges… 0/0 dependencies (0.00%) were violated; 0 source blocks stashed.Improving vertex order…Reticulating splines…940847104 940847104 (100.00%) new __DATA 0-32765 32768-32769 32889-32890 65536-65537 66033-98301 98304-98305 98425-98426 98922-131070 131072-131073 131569-151714 163840-163841 163961-163962 164458-196605 196608-196609 229376-229377 229497-229498 229994-262141 262144-262145 294912-294913 295033-295034 295530-327677 327680-327681 360448-360449 393216-393217 425984-425985 458752-458753 459249-475135max stashed blocks: 0 (0 bytes), limit: <unknown> 即可在目录out/target/product/xxxx/sdat看到有system.new.dat与system.transfer.list文件生成。
命令格式： img2sdat.py 分区名 img路径 new.dat路径
eg：img2sdat.py system system.img system_out_dir
