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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
-z (--bootable_zip)
Include only the bootable images (eg 'boot' and 'recovery') in
the output.
"""
from __future__ import print_function
import sys
if sys.hexversion < 0x02070000:
print("Python 2.7 or newer is required.", file=sys.stderr)
sys.exit(1)
import errno
import os
import re
import shutil
import subprocess
import tempfile
import zipfile
import common
OPTIONS = common.OPTIONS
def CopyInfo(output_zip):
"""Copy the android-info.txt file from the input to the output."""
common.ZipWrite(
output_zip, os.path.join(OPTIONS.input_tmp, "OTA", "android-info.txt"),
"android-info.txt")
def AddRadio(output_zip):
"""If they exist, add RADIO files to the output."""
if os.path.isdir(os.path.join(OPTIONS.input_tmp, "RADIO")):
for radio_root, radio_dirs, radio_files in os.walk(os.path.join(OPTIONS.input_tmp, "RADIO")):
for radio_file in radio_files:
output_zip.write(os.path.join(radio_root, radio_file), radio_file)
# If a filesmap file exists, create a script to flash the radio images based on it
filesmap = os.path.join(OPTIONS.input_tmp, "RADIO/filesmap")
if os.path.isfile(filesmap):
print("creating flash-radio.sh...")
filesmap_data = open(filesmap, "r")
filesmap_regex = re.compile(r'^(\S+)\s\S+\/by-name\/(\S+).*')
tmp_flash_radio = tempfile.NamedTemporaryFile()
tmp_flash_radio.write("#!/bin/sh\n\n")
for filesmap_line in filesmap_data:
filesmap_entry = filesmap_regex.search(filesmap_line)
if filesmap_entry:
tmp_flash_radio.write("fastboot flash %s %s\n" % (filesmap_entry.group(2), filesmap_entry.group(1)))
tmp_flash_radio.flush()
if os.path.getsize(tmp_flash_radio.name) > 0:
output_zip.write(tmp_flash_radio.name, "flash-radio.sh")
else:
print("flash-radio.sh is empty, skipping...")
tmp_flash_radio.close()
def main(argv):
bootable_only = [False]
def option_handler(o, _):
if o in ("-z", "--bootable_zip"):
bootable_only[0] = True
else:
return False
return True
args = common.ParseOptions(argv, __doc__,
extra_opts="z",
extra_long_opts=["bootable_zip"],
extra_option_handler=option_handler)
bootable_only = bootable_only[0]
if len(args) != 2:
common.Usage(__doc__)
sys.exit(1)
OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])
output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
CopyInfo(output_zip)
AddRadio(output_zip)
try:
done = False
images_path = os.path.join(OPTIONS.input_tmp, "IMAGES")
if os.path.exists(images_path):
# If this is a new target-files, it already contains the images,
# and all we have to do is copy them to the output zip.
# Skip oem.img files since they are not needed in fastboot images.
images = os.listdir(images_path)
if images:
for image in images:
if bootable_only and image not in ("boot.img", "recovery.img"):
continue
if not image.endswith(".img"):
continue
if image == "oem.img":
continue
common.ZipWrite(
output_zip, os.path.join(images_path, image), image)
done = True
if not done:
# We have an old target-files that doesn't already contain the
# images, so build them.
import add_img_to_target_files
OPTIONS.info_dict = common.LoadInfoDict(input_zip)
# If this image was originally labelled with SELinux contexts,
# make sure we also apply the labels in our new image. During
# building, the "file_contexts" is in the out/ directory tree,
# but for repacking from target-files.zip it's in the root
# directory of the ramdisk.
if "selinux_fc" in OPTIONS.info_dict:
OPTIONS.info_dict["selinux_fc"] = os.path.join(
OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
boot_image = common.GetBootableImage(
"boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
if boot_image:
boot_image.AddToZip(output_zip)
recovery_image = common.GetBootableImage(
"recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
if recovery_image:
recovery_image.AddToZip(output_zip)
def banner(s):
print("\n\n++++ " + s + " ++++\n\n")
if not bootable_only:
banner("AddSystem")
add_img_to_target_files.AddSystem(output_zip, prefix="")
try:
input_zip.getinfo("VENDOR/")
banner("AddVendor")
add_img_to_target_files.AddVendor(output_zip, prefix="")
except KeyError:
pass # no vendor partition for this device
banner("AddUserdata")
add_img_to_target_files.AddUserdata(output_zip, prefix="")
banner("AddUserdataExtra")
add_img_to_target_files.AddUserdataExtra(output_zip, prefix="")
banner("AddCache")
add_img_to_target_files.AddCache(output_zip, prefix="")
finally:
print("cleaning up...")
common.ZipClose(output_zip)
shutil.rmtree(OPTIONS.input_tmp)
print("done.")
if __name__ == '__main__':
try:
common.CloseInheritedPipes()
main(sys.argv[1:])
except common.ExternalError as e:
print()
print(" ERROR: %s" % e)
print()
sys.exit(1)
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