1# Copyright (c) 2011 Google Inc. All rights reserved. 2# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org) 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: 7# 8# * Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# * Redistributions in binary form must reproduce the above 11# copyright notice, this list of conditions and the following disclaimer 12# in the documentation and/or other materials provided with the 13# distribution. 14# * Neither the name of Google Inc. nor the names of its 15# contributors may be used to endorse or promote products derived from 16# this software without specific prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30"""In order for the multiprocessing module to spawn children correctly on 31Windows, we need to be running a Python module that can be imported 32(which means a file in sys.path that ends in .py). In addition, we need to 33ensure that sys.path / PYTHONPATH is set and propagating correctly. 34 35This module enforces that.""" 36 37import os 38import subprocess 39import sys 40 41from webkitpy.common import version_check # 'unused import' pylint: disable=W0611 42 43 44def run(*parts): 45 up = os.path.dirname 46 script_dir = up(up(up(os.path.abspath(__file__)))) 47 env = os.environ 48 if 'PYTHONPATH' in env: 49 if script_dir not in env['PYTHONPATH']: 50 env['PYTHONPATH'] = env['PYTHONPATH'] + os.pathsep + script_dir 51 else: 52 env['PYTHONPATH'] = script_dir 53 module_path = os.path.join(script_dir, *parts) 54 cmd = [sys.executable, module_path] + sys.argv[1:] 55 56 # Wrap processes in the jhbuild environment so DRT or WKTR 57 # doesn't need to do it and their process id as reported by 58 # subprocess.Popen is not jhbuild's. 59 if '--gtk' in sys.argv[1:] and os.path.exists(os.path.join(script_dir, '..', '..', 'WebKitBuild', 'Dependencies')): 60 prefix = [os.path.join(script_dir, '..', 'jhbuild', 'jhbuild-wrapper'), '--gtk', 'run'] 61 cmd = prefix + cmd 62 63 proc = subprocess.Popen(cmd, env=env) 64 try: 65 proc.wait() 66 except KeyboardInterrupt: 67 # We need a second wait in order to make sure the subprocess exits fully. 68 # FIXME: It would be nice if we could put a timeout on this. 69 proc.wait() 70 sys.exit(proc.returncode) 71