327 lines
11 KiB
Python
Executable File
327 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2014 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Given a target-files zipfile that does not contain images (ie, does
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not have an IMAGES/ top-level subdirectory), produce the images and
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add them to the zipfile.
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Usage: add_img_to_target_files target_files
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"""
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import sys
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if sys.hexversion < 0x02070000:
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print >> sys.stderr, "Python 2.7 or newer is required."
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sys.exit(1)
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import errno
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import os
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import tempfile
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import zipfile
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# missing in Python 2.4 and before
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if not hasattr(os, "SEEK_SET"):
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os.SEEK_SET = 0
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import build_image
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import common
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OPTIONS = common.OPTIONS
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OPTIONS.add_missing = False
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OPTIONS.rebuild_recovery = False
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def AddSystem(output_zip, prefix="IMAGES/", recovery_img=None, boot_img=None):
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"""Turn the contents of SYSTEM into a system image and store it in
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output_zip."""
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prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "system.img")
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if os.path.exists(prebuilt_path):
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print "system.img already exists in %s, no need to rebuild..." % (prefix,)
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return
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def output_sink(fn, data):
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ofile = open(os.path.join(OPTIONS.input_tmp,"SYSTEM",fn), "w")
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ofile.write(data)
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ofile.close()
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if OPTIONS.rebuild_recovery:
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print("Building new recovery patch")
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common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img, boot_img,
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info_dict=OPTIONS.info_dict)
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block_list = common.MakeTempFile(prefix="system-blocklist-", suffix=".map")
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imgname = BuildSystem(OPTIONS.input_tmp, OPTIONS.info_dict,
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block_list=block_list)
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common.ZipWrite(output_zip, imgname, prefix + "system.img")
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common.ZipWrite(output_zip, block_list, prefix + "system.map")
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def BuildSystem(input_dir, info_dict, block_list=None):
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"""Build the (sparse) system image and return the name of a temp
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file containing it."""
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return CreateImage(input_dir, info_dict, "system", block_list=block_list)
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def AddVendor(output_zip, prefix="IMAGES/"):
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"""Turn the contents of VENDOR into a vendor image and store in it
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output_zip."""
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prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "vendor.img")
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if os.path.exists(prebuilt_path):
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print "vendor.img already exists in %s, no need to rebuild..." % (prefix,)
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return
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block_list = common.MakeTempFile(prefix="vendor-blocklist-", suffix=".map")
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imgname = BuildVendor(OPTIONS.input_tmp, OPTIONS.info_dict,
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block_list=block_list)
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common.ZipWrite(output_zip, imgname, prefix + "vendor.img")
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common.ZipWrite(output_zip, block_list, prefix + "vendor.map")
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def BuildVendor(input_dir, info_dict, block_list=None):
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"""Build the (sparse) vendor image and return the name of a temp
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file containing it."""
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return CreateImage(input_dir, info_dict, "vendor", block_list=block_list)
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def CreateImage(input_dir, info_dict, what, block_list=None):
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print "creating " + what + ".img..."
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img = common.MakeTempFile(prefix=what + "-", suffix=".img")
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# The name of the directory it is making an image out of matters to
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# mkyaffs2image. It wants "system" but we have a directory named
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# "SYSTEM", so create a symlink.
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try:
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os.symlink(os.path.join(input_dir, what.upper()),
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os.path.join(input_dir, what))
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except OSError, e:
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# bogus error on my mac version?
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# File "./build/tools/releasetools/img_from_target_files", line 86, in AddSystem
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# os.path.join(OPTIONS.input_tmp, "system"))
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# OSError: [Errno 17] File exists
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if (e.errno == errno.EEXIST):
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pass
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image_props = build_image.ImagePropFromGlobalDict(info_dict, what)
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fstab = info_dict["fstab"]
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if fstab:
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image_props["fs_type" ] = fstab["/" + what].fs_type
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if what == "system":
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fs_config_prefix = ""
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else:
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fs_config_prefix = what + "_"
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fs_config = os.path.join(
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input_dir, "META/" + fs_config_prefix + "filesystem_config.txt")
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if not os.path.exists(fs_config): fs_config = None
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fc_config = os.path.join(input_dir, "BOOT/RAMDISK/file_contexts")
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if not os.path.exists(fc_config): fc_config = None
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succ = build_image.BuildImage(os.path.join(input_dir, what),
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image_props, img,
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fs_config=fs_config,
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fc_config=fc_config,
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block_list=block_list)
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assert succ, "build " + what + ".img image failed"
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return img
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def AddUserdata(output_zip, prefix="IMAGES/"):
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"""Create an empty userdata image and store it in output_zip."""
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prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "userdata.img")
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if os.path.exists(prebuilt_path):
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print "userdata.img already exists in %s, no need to rebuild..." % (prefix,)
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return
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image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
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"data")
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# We only allow yaffs to have a 0/missing partition_size.
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# Extfs, f2fs must have a size. Skip userdata.img if no size.
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if (not image_props.get("fs_type", "").startswith("yaffs") and
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not image_props.get("partition_size")):
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return
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print "creating userdata.img..."
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# The name of the directory it is making an image out of matters to
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# mkyaffs2image. So we create a temp dir, and within it we create an
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# empty dir named "data", and build the image from that.
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temp_dir = tempfile.mkdtemp()
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user_dir = os.path.join(temp_dir, "data")
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os.mkdir(user_dir)
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img = tempfile.NamedTemporaryFile()
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fstab = OPTIONS.info_dict["fstab"]
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if fstab:
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image_props["fs_type" ] = fstab["/data"].fs_type
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succ = build_image.BuildImage(user_dir, image_props, img.name)
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assert succ, "build userdata.img image failed"
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common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
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output_zip.write(img.name, prefix + "userdata.img")
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img.close()
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os.rmdir(user_dir)
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os.rmdir(temp_dir)
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def AddCache(output_zip, prefix="IMAGES/"):
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"""Create an empty cache image and store it in output_zip."""
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prebuilt_path = os.path.join(OPTIONS.input_tmp, prefix, "cache.img")
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if os.path.exists(prebuilt_path):
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print "cache.img already exists in %s, no need to rebuild..." % (prefix,)
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return
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image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
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"cache")
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# The build system has to explicitly request for cache.img.
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if "fs_type" not in image_props:
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return
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print "creating cache.img..."
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# The name of the directory it is making an image out of matters to
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# mkyaffs2image. So we create a temp dir, and within it we create an
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# empty dir named "cache", and build the image from that.
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temp_dir = tempfile.mkdtemp()
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user_dir = os.path.join(temp_dir, "cache")
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os.mkdir(user_dir)
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img = tempfile.NamedTemporaryFile()
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fstab = OPTIONS.info_dict["fstab"]
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if fstab:
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image_props["fs_type" ] = fstab["/cache"].fs_type
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succ = build_image.BuildImage(user_dir, image_props, img.name)
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assert succ, "build cache.img image failed"
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common.CheckSize(img.name, "cache.img", OPTIONS.info_dict)
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output_zip.write(img.name, prefix + "cache.img")
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img.close()
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os.rmdir(user_dir)
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os.rmdir(temp_dir)
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def AddImagesToTargetFiles(filename):
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OPTIONS.input_tmp, input_zip = common.UnzipTemp(filename)
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if not OPTIONS.add_missing:
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for n in input_zip.namelist():
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if n.startswith("IMAGES/"):
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print "target_files appears to already contain images."
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sys.exit(1)
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try:
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input_zip.getinfo("VENDOR/")
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has_vendor = True
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except KeyError:
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has_vendor = False
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OPTIONS.info_dict = common.LoadInfoDict(input_zip)
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if "selinux_fc" in OPTIONS.info_dict:
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OPTIONS.info_dict["selinux_fc"] = os.path.join(
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OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
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input_zip.close()
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output_zip = zipfile.ZipFile(filename, "a",
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compression=zipfile.ZIP_DEFLATED)
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def banner(s):
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print "\n\n++++ " + s + " ++++\n\n"
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banner("boot")
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prebuilt_path = os.path.join(OPTIONS.input_tmp, "IMAGES", "boot.img")
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boot_image = None
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if os.path.exists(prebuilt_path):
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print "boot.img already exists in IMAGES/, no need to rebuild..."
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if OPTIONS.rebuild_recovery:
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boot_image = common.GetBootableImage(
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"IMAGES/boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
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else:
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boot_image = common.GetBootableImage(
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"IMAGES/boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
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if boot_image:
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boot_image.AddToZip(output_zip)
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banner("recovery")
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recovery_image = None
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prebuilt_path = os.path.join(OPTIONS.input_tmp, "IMAGES", "recovery.img")
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if os.path.exists(prebuilt_path):
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print "recovery.img already exists in IMAGES/, no need to rebuild..."
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if OPTIONS.rebuild_recovery:
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recovery_image = common.GetBootableImage(
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"IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
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else:
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recovery_image = common.GetBootableImage(
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"IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
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if recovery_image:
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recovery_image.AddToZip(output_zip)
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banner("system")
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AddSystem(output_zip, recovery_img=recovery_image, boot_img=boot_image)
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if has_vendor:
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banner("vendor")
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AddVendor(output_zip)
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banner("userdata")
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AddUserdata(output_zip)
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banner("cache")
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AddCache(output_zip)
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output_zip.close()
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def main(argv):
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def option_handler(o, a):
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if o in ("-a", "--add_missing"):
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OPTIONS.add_missing = True
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elif o in ("-r", "--rebuild_recovery",):
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OPTIONS.rebuild_recovery = True
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else:
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return False
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return True
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args = common.ParseOptions(argv, __doc__,
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extra_opts="ar",
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extra_long_opts=["add_missing",
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"rebuild_recovery",
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],
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extra_option_handler=option_handler)
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if len(args) != 1:
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common.Usage(__doc__)
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sys.exit(1)
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AddImagesToTargetFiles(args[0])
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print "done."
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if __name__ == '__main__':
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try:
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common.CloseInheritedPipes()
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main(sys.argv[1:])
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except common.ExternalError, e:
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print
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print " ERROR: %s" % (e,)
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print
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sys.exit(1)
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finally:
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common.Cleanup()
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