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#!/usr/bin/env python
#
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Given a target-files zipfile, produces an image zipfile suitable for
use with 'fastboot update'.
Usage: img_from_target_files [flags] input_target_files output_image_zip
-b (--board_config) <file>
Deprecated.
"""
import sys
if sys.hexversion < 0x02040000:
print >> sys.stderr, "Python 2.4 or newer is required."
sys.exit(1)
import os
import re
import shutil
import subprocess
import tempfile
import zipfile
# missing in Python 2.4 and before
if not hasattr(os, "SEEK_SET"):
os.SEEK_SET = 0
import common
OPTIONS = common.OPTIONS
def AddUserdata(output_zip):
"""Create an empty userdata image and store it in output_zip."""
print "creating userdata.img..."
# The name of the directory it is making an image out of matters to
# mkyaffs2image. So we create a temp dir, and within it we create an
# empty dir named "data", and build the image from that.
temp_dir = tempfile.mkdtemp()
user_dir = os.path.join(temp_dir, "data")
os.mkdir(user_dir)
img = tempfile.NamedTemporaryFile()
p = common.Run(["mkyaffs2image", "-f", user_dir, img.name])
p.communicate()
assert p.returncode == 0, "mkyaffs2image of userdata.img image failed"
common.CheckSize(img.name, "userdata.img")
output_zip.write(img.name, "userdata.img")
img.close()
os.rmdir(user_dir)
os.rmdir(temp_dir)
def AddSystem(output_zip):
"""Turn the contents of SYSTEM into a system image and store it in
output_zip."""
print "creating system.img..."
img = tempfile.NamedTemporaryFile()
# The name of the directory it is making an image out of matters to
# mkyaffs2image. It wants "system" but we have a directory named
# "SYSTEM", so create a symlink.
os.symlink(os.path.join(OPTIONS.input_tmp, "SYSTEM"),
os.path.join(OPTIONS.input_tmp, "system"))
p = common.Run(["mkyaffs2image", "-f",
os.path.join(OPTIONS.input_tmp, "system"), img.name])
p.communicate()
assert p.returncode == 0, "mkyaffs2image of system.img image failed"
img.seek(os.SEEK_SET, 0)
data = img.read()
img.close()
common.CheckSize(data, "system.img")
common.ZipWriteStr(output_zip, "system.img", data)
def CopyInfo(output_zip):
"""Copy the android-info.txt file from the input to the output."""
output_zip.write(os.path.join(OPTIONS.input_tmp, "OTA", "android-info.txt"),
"android-info.txt")
def main(argv):
def option_handler(o, a):
if o in ("-b", "--board_config"):
pass # deprecated
else:
return False
return True
args = common.ParseOptions(argv, __doc__,
extra_opts="b:",
extra_long_opts=["board_config="],
extra_option_handler=option_handler)
if len(args) != 2:
common.Usage(__doc__)
sys.exit(1)
OPTIONS.input_tmp = common.UnzipTemp(args[0])
common.LoadMaxSizes()
if not OPTIONS.max_image_size:
print
print " WARNING: Failed to load max image sizes; will not enforce"
print " image size limits."
print
output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
common.AddBoot(output_zip)
common.AddRecovery(output_zip)
AddSystem(output_zip)
AddUserdata(output_zip)
CopyInfo(output_zip)
print "cleaning up..."
output_zip.close()
shutil.rmtree(OPTIONS.input_tmp)
print "done."
if __name__ == '__main__':
try:
main(sys.argv[1:])
except common.ExternalError, e:
print
print " ERROR: %s" % (e,)
print
sys.exit(1)
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