#!/usr/bin/env python # Copyright 2017 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """filter_resource_allowlist.py [-h] [--input INPUT] [--filter FILTER] [--output OUTPUT] INPUT specifies a resource allowlist file containing resource IDs that should be allowed, where each line of INPUT contains a single resource ID. FILTER specifies a resource denylist file containing resource IDs that should not be allowed, where each line of FILTER contains a single resource ID. Filters a resource allowlist by removing resource IDs that are contained in a another resource allowlist. This script is used to generate Monochrome's locale paks. """ import argparse import sys def main(): parser = argparse.ArgumentParser(usage=__doc__) parser.add_argument( '--input', type=argparse.FileType('r'), required=True, help='A resource allowlist where each line contains one resource ID. ' 'These IDs, excluding the ones in FILTER, are to be included.') parser.add_argument( '--filter', type=argparse.FileType('r'), required=True, help='A resource allowlist where each line contains one resource ID. ' 'These IDs are to be excluded.') parser.add_argument( '--output', type=argparse.FileType('w'), default=sys.stdout, help='The resource list path to write (default stdout)') args = parser.parse_args() input_resources = list(int(resource_id) for resource_id in args.input) filter_resources = set(int(resource_id) for resource_id in args.filter) output_resources = [resource_id for resource_id in input_resources if resource_id not in filter_resources] for resource_id in sorted(output_resources): args.output.write('%d\n' % resource_id) if __name__ == '__main__': main()