1 #!/usr/bin/env python 2 # Copyright 2017 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 import argparse 7 import json 8 import shutil 9 import sys 10 11 12 def noop_merge(output_json, jsons_to_merge): 13 """Use the first supplied JSON as the output JSON. 14 15 Primarily intended for unsharded tasks. 16 17 Args: 18 output_json: A path to a JSON file to which the results should be written. 19 jsons_to_merge: A list of paths to JSON files. 20 """ 21 if len(jsons_to_merge) > 1: 22 print >> sys.stderr, ( 23 'Multiple JSONs provided: %s' % ','.join(jsons_to_merge)) 24 return 1 25 if jsons_to_merge: 26 shutil.copyfile(jsons_to_merge[0], output_json) 27 else: 28 with open(output_json, 'w') as f: 29 json.dump({}, f) 30 return 0 31 32 33 def main(raw_args): 34 parser = argparse.ArgumentParser() 35 parser.add_argument('--build-properties', help=argparse.SUPPRESS) 36 parser.add_argument('--summary-json', help=argparse.SUPPRESS) 37 parser.add_argument('-o', '--output-json', required=True) 38 parser.add_argument('jsons_to_merge', nargs='*') 39 40 args = parser.parse_args(raw_args) 41 42 return noop_merge(args.output_json, args.jsons_to_merge) 43 44 45 if __name__ == '__main__': 46 sys.exit(main(sys.argv[1:])) 47
