1 # Copyright 2017 - The Android Open Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 """Implementation of gsi_util command 'pull'.""" 15 16 import argparse 17 import logging 18 import shutil 19 import sys 20 21 from gsi_util.commands.common import image_sources 22 23 24 def do_pull(args): 25 logging.info('==== PULL ====') 26 27 source, dest = args.SOURCE, args.DEST 28 29 mounter = image_sources.create_composite_mounter_by_args(args) 30 with mounter as file_accessor: 31 with file_accessor.prepare_file(source) as filename: 32 if not filename: 33 print >> sys.stderr, 'Can not dump file: {}'.format(source) 34 else: 35 logging.debug('Copy %s -> %s', filename, dest) 36 shutil.copy(filename, dest) 37 38 logging.info('==== DONE ====') 39 40 41 _PULL_DESCRIPTION = ("""'pull' command pulls a file from the give image. 42 43 You must assign at least one image source. 44 45 SOURCE is the full path file name to pull, which must start with '/' and 46 includes the mount point. ex. 47 48 /system/build.prop 49 /vendor/compatibility_matrix.xml 50 51 Some usage examples: 52 53 $ ./gsi_util.py pull --system adb:AB0123456789 /system/manifest.xml 54 $ ./gsi_util.py pull --vendor adb /vendor/compatibility_matrix.xml 55 $ ./gsi_util.py pull --system system.img /system/build.prop 56 $ ./gsi_util.py pull --system my/out/folder/system /system/build.prop""") 57 58 59 def setup_command_args(parser): 60 # command 'pull' 61 pull_parser = parser.add_parser( 62 'pull', 63 help='pull a file from the given image', 64 description=_PULL_DESCRIPTION, 65 formatter_class=argparse.RawTextHelpFormatter) 66 image_sources.add_argument_group(pull_parser) 67 pull_parser.add_argument( 68 'SOURCE', 69 type=str, 70 help='the full path file name in given image to be pull') 71 pull_parser.add_argument( 72 'DEST', 73 nargs='?', 74 default='.', 75 type=str, 76 help='the file name or directory to save the pulled file (default: .)') 77 pull_parser.set_defaults(func=do_pull) 78
