109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2019 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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"""conv_apex_manifest converts apex_manifest.json in two ways
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To remove keys which are unknown to Q
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conv_apex_manifest strip apex_manifest.json (-o apex_manifest_stripped.json)
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To convert into .pb
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conv_apex_manifest proto apex_manifest.json -o apex_manifest.pb
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To change property value
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conv_apex_manifest setprop version 137 apex_manifest.pb
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"""
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import argparse
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import collections
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import json
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import apex_manifest_pb2
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from google.protobuf.descriptor import FieldDescriptor
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from google.protobuf.json_format import ParseDict
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from google.protobuf.json_format import ParseError
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from google.protobuf.text_format import MessageToString
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Q_compat_keys = ["name", "version", "preInstallHook", "postInstallHook", "versionName"]
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def Strip(args):
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with open(args.input) as f:
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obj = json.load(f, object_pairs_hook=collections.OrderedDict)
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# remove unknown keys
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for key in list(obj):
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if key not in Q_compat_keys:
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del obj[key]
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if args.out:
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with open(args.out, "w") as f:
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json.dump(obj, f, indent=2)
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else:
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print(json.dumps(obj, indent=2))
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def Proto(args):
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with open(args.input) as f:
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obj = json.load(f, object_pairs_hook=collections.OrderedDict)
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pb = ParseDict(obj, apex_manifest_pb2.ApexManifest())
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with open(args.out, "wb") as f:
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f.write(pb.SerializeToString())
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def SetProp(args):
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with open(args.input, "rb") as f:
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pb = apex_manifest_pb2.ApexManifest()
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pb.ParseFromString(f.read())
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if getattr(type(pb), args.property).DESCRIPTOR.label == FieldDescriptor.LABEL_REPEATED:
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getattr(pb, args.property)[:] = args.value.split(",")
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else:
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setattr(pb, args.property, type(getattr(pb, args.property))(args.value))
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with open(args.input, "wb") as f:
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f.write(pb.SerializeToString())
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def Print(args):
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with open(args.input, "rb") as f:
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pb = apex_manifest_pb2.ApexManifest()
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pb.ParseFromString(f.read())
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print(MessageToString(pb))
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def main():
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parser = argparse.ArgumentParser()
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subparsers = parser.add_subparsers()
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parser_strip = subparsers.add_parser('strip', help='remove unknown keys from APEX manifest (JSON)')
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parser_strip.add_argument('input', type=str, help='APEX manifest file (JSON)')
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parser_strip.add_argument('-o', '--out', type=str, help='Output filename. If omitted, prints to stdout')
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parser_strip.set_defaults(func=Strip)
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parser_proto = subparsers.add_parser('proto', help='write protobuf binary format')
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parser_proto.add_argument('input', type=str, help='APEX manifest file (JSON)')
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parser_proto.add_argument('-o', '--out', required=True, type=str, help='Directory to extract content of APEX to')
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parser_proto.set_defaults(func=Proto)
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parser_proto = subparsers.add_parser('setprop', help='change proprety value')
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parser_proto.add_argument('property', type=str, help='name of property')
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parser_proto.add_argument('value', type=str, help='new value of property')
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parser_proto.add_argument('input', type=str, help='APEX manifest file (PB)')
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parser_proto.set_defaults(func=SetProp)
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parser_proto = subparsers.add_parser('print', help='print APEX manifest')
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parser_proto.add_argument('input', type=str, help='APEX manifest file (PB)')
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parser_proto.set_defaults(func=Print)
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args = parser.parse_args()
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args.func(args)
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if __name__ == '__main__':
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main()
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