1 #!/usr/bin/env python 2 # Copyright 2015 the V8 project 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 """Adaptor script called through build/isolate.gypi. 7 8 Slimmed down version of chromium's isolate driver that doesn't process dynamic 9 dependencies. 10 """ 11 12 import json 13 import logging 14 import os 15 import subprocess 16 import sys 17 18 TOOLS_DIR = os.path.dirname(os.path.abspath(__file__)) 19 20 21 def prepare_isolate_call(args, output): 22 """Gathers all information required to run isolate.py later. 23 24 Dumps it as JSON to |output| file. 25 """ 26 with open(output, 'wb') as f: 27 json.dump({ 28 'args': args, 29 'dir': os.getcwd(), 30 'version': 1, 31 }, f, indent=2, sort_keys=True) 32 33 34 def main(): 35 logging.basicConfig(level=logging.ERROR, format='%(levelname)7s %(message)s') 36 if len(sys.argv) < 2: 37 print >> sys.stderr, 'Internal failure; mode required' 38 return 1 39 mode = sys.argv[1] 40 args = sys.argv[1:] 41 isolate = None 42 isolated = None 43 for i, arg in enumerate(args): 44 if arg == '--isolate': 45 isolate = i + 1 46 if arg == '--isolated': 47 isolated = i + 1 48 if not isolate or not isolated: 49 print >> sys.stderr, 'Internal failure' 50 return 1 51 52 # In 'prepare' mode just collect all required information for postponed 53 # isolated.py invocation later, store it in *.isolated.gen.json file. 54 if mode == 'prepare': 55 prepare_isolate_call(args[1:], args[isolated] + '.gen.json') 56 return 0 57 58 swarming_client = os.path.join(TOOLS_DIR, 'swarming_client') 59 sys.stdout.flush() 60 return subprocess.call( 61 [sys.executable, os.path.join(swarming_client, 'isolate.py')] + args) 62 63 64 if __name__ == '__main__': 65 sys.exit(main()) 66