| #!/usr/bin/env python3 |
| # Copyright 2014 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. |
| """Helper script for GN to run an arbitrary binary. See compiled_action.gni. |
| |
| Run with: |
| python3 gn_run_binary.py <invoker> <binary_name> [args ...] |
| |
| Where <invoker> is either "compiled_action" or "exec_script". If it is |
| "compiled_action" the script has a non-zero exit code on a failure. If it is |
| "exec_script" the script has no output on success and produces output otherwise, |
| but always has an exit code of 0. |
| """ |
| |
| import os |
| import sys |
| import subprocess |
| |
| |
| # Run a command, swallowing the output unless there is an error. |
| def run_command(command): |
| try: |
| subprocess.check_output(command, stderr=subprocess.STDOUT) |
| return 0 |
| except subprocess.CalledProcessError as e: |
| return ("Command failed: " + ' '.join(command) + "\n" + "exitCode: " + |
| str(e.returncode) + "\n" + "output: " + _decode(e.output)) |
| except OSError as e: |
| return ("Command failed: " + ' '.join(command) + "\n" + "output: " + |
| _decode(e.strerror)) |
| |
| |
| def _decode(bytes): |
| return bytes.decode("utf-8") |
| |
| |
| def main(argv): |
| error_exit = 0 |
| if argv[1] == "compiled_action": |
| error_exit = 1 |
| elif argv[1] != "exec_script": |
| print("The first argument should be either " |
| "'compiled_action' or 'exec_script") |
| return 1 |
| |
| # Unless the path is absolute, this script is designed to run binaries |
| # produced by the current build, which is the current working directory when |
| # this script is run. |
| path = os.path.abspath(argv[2]) |
| |
| if not os.path.isfile(path): |
| print("Binary not found: " + path) |
| return error_exit |
| |
| # The rest of the arguments are passed directly to the executable. |
| args = [path] + argv[3:] |
| |
| result = run_command(args) |
| if result != 0: |
| print(result) |
| return error_exit |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv)) |