Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 33 | def rebase_directories(args, abs_base): |
| 34 | """Rebases all paths to be relative to abs_base.""" |
| 35 | def replace(index): |
| 36 | args[index] = os.path.relpath(os.path.abspath(args[index]), abs_base) |
| 37 | for i, arg in enumerate(args): |
| 38 | if arg in ['--isolate', '--isolated']: |
| 39 | replace(i + 1) |
| 40 | if arg == '--path-variable': |
| 41 | # Path variables have a triple form: --path-variable NAME <path>. |
| 42 | replace(i + 2) |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 43 | |
| 44 | def main(): |
| 45 | logging.basicConfig(level=logging.ERROR, format='%(levelname)7s %(message)s') |
| 46 | if len(sys.argv) < 2: |
| 47 | print >> sys.stderr, 'Internal failure; mode required' |
| 48 | return 1 |
| 49 | mode = sys.argv[1] |
| 50 | args = sys.argv[1:] |
| 51 | isolate = None |
| 52 | isolated = None |
| 53 | for i, arg in enumerate(args): |
| 54 | if arg == '--isolate': |
| 55 | isolate = i + 1 |
| 56 | if arg == '--isolated': |
| 57 | isolated = i + 1 |
| 58 | if not isolate or not isolated: |
| 59 | print >> sys.stderr, 'Internal failure' |
| 60 | return 1 |
| 61 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 62 | # Make sure all paths are relative to the isolate file. This is an |
| 63 | # expectation of the go binaries. In gn, this script is not called |
| 64 | # relative to the isolate file, but relative to the product dir. |
| 65 | new_base = os.path.abspath(os.path.dirname(args[isolate])) |
| 66 | rebase_directories(args, new_base) |
| 67 | assert args[isolate] == os.path.basename(args[isolate]) |
| 68 | os.chdir(new_base) |
| 69 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 70 | # In 'prepare' mode just collect all required information for postponed |
| 71 | # isolated.py invocation later, store it in *.isolated.gen.json file. |
| 72 | if mode == 'prepare': |
| 73 | prepare_isolate_call(args[1:], args[isolated] + '.gen.json') |
| 74 | return 0 |
| 75 | |
| 76 | swarming_client = os.path.join(TOOLS_DIR, 'swarming_client') |
| 77 | sys.stdout.flush() |
| 78 | return subprocess.call( |
| 79 | [sys.executable, os.path.join(swarming_client, 'isolate.py')] + args) |
| 80 | |
| 81 | |
| 82 | if __name__ == '__main__': |
| 83 | sys.exit(main()) |