Dan Willemsen | 121e284 | 2016-09-14 21:38:29 -0700 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # Copyright (C) 2016 The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | |
| 17 | """Utility to verify modules link against acceptable module types""" |
| 18 | |
| 19 | from __future__ import print_function |
| 20 | import argparse |
| 21 | import os |
| 22 | import sys |
| 23 | |
| 24 | WARNING_MSG = ('\033[1m%(makefile)s: \033[35mwarning:\033[0m\033[1m ' |
| 25 | '%(module)s (%(type)s) should not link to %(dep_name)s (%(dep_type)s)' |
| 26 | '\033[0m') |
| 27 | ERROR_MSG = ('\033[1m%(makefile)s: \033[31merror:\033[0m\033[1m ' |
| 28 | '%(module)s (%(type)s) should not link to %(dep_name)s (%(dep_type)s)' |
| 29 | '\033[0m') |
| 30 | |
| 31 | def parse_args(): |
| 32 | """Parse commandline arguments.""" |
| 33 | parser = argparse.ArgumentParser(description='Check link types') |
| 34 | parser.add_argument('--makefile', help='Makefile defining module') |
| 35 | parser.add_argument('--module', help='The module being checked') |
| 36 | parser.add_argument('--type', help='The link type of module') |
| 37 | parser.add_argument('--allowed', help='Allow deps to use these types', |
| 38 | action='append', default=[], metavar='TYPE') |
| 39 | parser.add_argument('--warn', help='Warn if deps use these types', |
| 40 | action='append', default=[], metavar='TYPE') |
| 41 | parser.add_argument('deps', help='The dependencies to check', |
| 42 | metavar='DEP', nargs='*') |
| 43 | return parser.parse_args() |
| 44 | |
| 45 | def print_msg(msg, args, dep_name, dep_type): |
| 46 | """Print a warning or error message""" |
| 47 | print(msg % { |
| 48 | "makefile": args.makefile, |
| 49 | "module": args.module, |
| 50 | "type": args.type, |
| 51 | "dep_name": dep_name, |
| 52 | "dep_type": dep_type}, file=sys.stderr) |
| 53 | |
| 54 | def main(): |
| 55 | """Program entry point.""" |
| 56 | args = parse_args() |
| 57 | |
| 58 | failed = False |
| 59 | for dep in args.deps: |
| 60 | dep_name = os.path.basename(os.path.dirname(dep)) |
| 61 | if dep_name.endswith('_intermediates'): |
| 62 | dep_name = dep_name[:len(dep_name)-len('_intermediates')] |
| 63 | |
| 64 | with open(dep, 'r') as dep_file: |
| 65 | dep_types = dep_file.read().strip().split(' ') |
| 66 | |
| 67 | for dep_type in dep_types: |
| 68 | if dep_type in args.allowed: |
| 69 | continue |
| 70 | if dep_type in args.warn: |
| 71 | print_msg(WARNING_MSG, args, dep_name, dep_type) |
| 72 | else: |
| 73 | print_msg(ERROR_MSG, args, dep_name, dep_type) |
| 74 | failed = True |
| 75 | |
| 76 | if failed: |
| 77 | sys.exit(1) |
| 78 | |
| 79 | if __name__ == '__main__': |
| 80 | main() |