| #!/usr/bin/env python |
| # Copyright 2015 the V8 project authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Adaptor script called through build/isolate.gypi. |
| |
| Slimmed down version of chromium's isolate driver that doesn't process dynamic |
| dependencies. |
| """ |
| |
| import json |
| import logging |
| import os |
| import subprocess |
| import sys |
| |
| TOOLS_DIR = os.path.dirname(os.path.abspath(__file__)) |
| |
| |
| def prepare_isolate_call(args, output): |
| """Gathers all information required to run isolate.py later. |
| |
| Dumps it as JSON to |output| file. |
| """ |
| with open(output, 'wb') as f: |
| json.dump({ |
| 'args': args, |
| 'dir': os.getcwd(), |
| 'version': 1, |
| }, f, indent=2, sort_keys=True) |
| |
| def rebase_directories(args, abs_base): |
| """Rebases all paths to be relative to abs_base.""" |
| def replace(index): |
| args[index] = os.path.relpath(os.path.abspath(args[index]), abs_base) |
| for i, arg in enumerate(args): |
| if arg in ['--isolate', '--isolated']: |
| replace(i + 1) |
| if arg == '--path-variable': |
| # Path variables have a triple form: --path-variable NAME <path>. |
| replace(i + 2) |
| |
| def main(): |
| logging.basicConfig(level=logging.ERROR, format='%(levelname)7s %(message)s') |
| if len(sys.argv) < 2: |
| print >> sys.stderr, 'Internal failure; mode required' |
| return 1 |
| mode = sys.argv[1] |
| args = sys.argv[1:] |
| isolate = None |
| isolated = None |
| for i, arg in enumerate(args): |
| if arg == '--isolate': |
| isolate = i + 1 |
| if arg == '--isolated': |
| isolated = i + 1 |
| if not isolate or not isolated: |
| print >> sys.stderr, 'Internal failure' |
| return 1 |
| |
| # Make sure all paths are relative to the isolate file. This is an |
| # expectation of the go binaries. In gn, this script is not called |
| # relative to the isolate file, but relative to the product dir. |
| new_base = os.path.abspath(os.path.dirname(args[isolate])) |
| rebase_directories(args, new_base) |
| assert args[isolate] == os.path.basename(args[isolate]) |
| os.chdir(new_base) |
| |
| # In 'prepare' mode just collect all required information for postponed |
| # isolated.py invocation later, store it in *.isolated.gen.json file. |
| if mode == 'prepare': |
| prepare_isolate_call(args[1:], args[isolated] + '.gen.json') |
| return 0 |
| |
| swarming_client = os.path.join(TOOLS_DIR, 'swarming_client') |
| sys.stdout.flush() |
| return subprocess.call( |
| [sys.executable, os.path.join(swarming_client, 'isolate.py')] + args) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |