#!/usr/bin/env python
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#
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# Copyright (C) 2016 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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"""Utility to verify modules link against acceptable module types"""
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from __future__ import print_function
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import argparse
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import os
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import sys
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WARNING_MSG = ('\033[1m%(makefile)s: \033[35mwarning:\033[0m\033[1m '
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'%(module)s (%(type)s) should not link to %(dep_name)s (%(dep_type)s)'
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'\033[0m')
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ERROR_MSG = ('\033[1m%(makefile)s: \033[31merror:\033[0m\033[1m '
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'%(module)s (%(type)s) should not link to %(dep_name)s (%(dep_type)s)'
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'\033[0m')
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def parse_args():
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"""Parse commandline arguments."""
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parser = argparse.ArgumentParser(description='Check link types')
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parser.add_argument('--makefile', help='Makefile defining module')
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parser.add_argument('--module', help='The module being checked')
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parser.add_argument('--type', help='The link type of module')
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parser.add_argument('--allowed', help='Allow deps to use these types',
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action='append', default=[], metavar='TYPE')
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parser.add_argument('--warn', help='Warn if deps use these types',
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action='append', default=[], metavar='TYPE')
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parser.add_argument('deps', help='The dependencies to check',
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metavar='DEP', nargs='*')
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return parser.parse_args()
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def print_msg(msg, args, dep_name, dep_type):
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"""Print a warning or error message"""
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print(msg % {
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"makefile": args.makefile,
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"module": args.module,
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"type": args.type,
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"dep_name": dep_name,
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"dep_type": dep_type}, file=sys.stderr)
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def main():
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"""Program entry point."""
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args = parse_args()
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failed = False
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for dep in args.deps:
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dep_name = os.path.basename(os.path.dirname(dep))
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if dep_name.endswith('_intermediates'):
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dep_name = dep_name[:len(dep_name)-len('_intermediates')]
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with open(dep, 'r') as dep_file:
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dep_types = dep_file.read().strip().split(' ')
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for dep_type in dep_types:
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if dep_type in args.allowed:
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continue
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if dep_type in args.warn:
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print_msg(WARNING_MSG, args, dep_name, dep_type)
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else:
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print_msg(ERROR_MSG, args, dep_name, dep_type)
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failed = True
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if failed:
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sys.exit(1)
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if __name__ == '__main__':
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main()
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