ec555f1a99
1. Run pyformat scripts/construct_context.py -s 4 --force_quote_type none -i to fix formatting 2. Wrap #pylint: [disable|enable]=line-too-long in tests Test: m construct_context construct_context_test Test: pylint --rcfile tools/repohooks/tools/pylintrc build/soong/scripts/construct_context.py build/soong/scripts/construct_context_test.py Bug: 195738175 Change-Id: I2e756b17aae3e70ddaa03356c78f1f2f85c0f6a5
102 lines
3.2 KiB
Python
Executable file
102 lines
3.2 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Copyright (C) 2020 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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"""A tool for constructing class loader context."""
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from __future__ import print_function
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import argparse
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import sys
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from manifest import compare_version_gt
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def parse_args(args):
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"""Parse commandline arguments."""
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--target-sdk-version',
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default='',
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dest='sdk',
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help='specify target SDK version (as it appears in the manifest)')
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parser.add_argument(
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'--host-context-for-sdk',
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dest='host_contexts',
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action='append',
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nargs=2,
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metavar=('sdk', 'context'),
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help='specify context on host for a given SDK version or "any" version')
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parser.add_argument(
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'--target-context-for-sdk',
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dest='target_contexts',
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action='append',
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nargs=2,
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metavar=('sdk', 'context'),
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help='specify context on target for a given SDK version or "any" '
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'version'
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)
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return parser.parse_args(args)
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# Special keyword that means that the context should be added to class loader
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# context regardless of the target SDK version.
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any_sdk = 'any'
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# We assume that the order of context arguments passed to this script is
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# correct (matches the order computed by package manager). It is possible to
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# sort them here, but Soong needs to use deterministic order anyway, so it can
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# as well use the correct order.
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def construct_context(versioned_contexts, target_sdk):
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context = []
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for [sdk, ctx] in versioned_contexts:
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if sdk == any_sdk or compare_version_gt(sdk, target_sdk):
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context.append(ctx)
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return context
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def construct_contexts(args):
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host_context = construct_context(args.host_contexts, args.sdk)
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target_context = construct_context(args.target_contexts, args.sdk)
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context_sep = '#'
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return (
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'class_loader_context_arg=--class-loader-context=PCL[]{%s} ; ' %
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context_sep.join(host_context) +
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'stored_class_loader_context_arg=--stored-class-loader-context=PCL[]{%s}' #pylint: disable=line-too-long
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% context_sep.join(target_context))
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def main():
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"""Program entry point."""
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try:
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args = parse_args(sys.argv[1:])
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if not args.sdk:
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raise SystemExit('target sdk version is not set')
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if not args.host_contexts:
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args.host_contexts = []
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if not args.target_contexts:
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args.target_contexts = []
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print(construct_contexts(args))
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# pylint: disable=broad-except
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except Exception as err:
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print('error: ' + str(err), file=sys.stderr)
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sys.exit(-1)
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if __name__ == '__main__':
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main()
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