Move the layout test scripts into a 'webkitpy' subdirectory in preparation...

webkit/tools/layout_tests/layout_package/platform_utils_mac.py

-# Copyright (c) 2008-2009 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.
-
-"""This is the Mac implementation of the layout_package.platform_utils
-   package. This file should only be imported by that package."""
-
-import os
-import platform
-import signal
-import subprocess
-
-import path_utils
-
-
-def PlatformName():
-    """Returns the name of the platform we're currently running on."""
-    # At the moment all chromium mac results are version-independent. At some
-    # point we may need to return 'chromium-mac' + PlatformVersion()
-    return 'chromium-mac'
-
-
-def PlatformVersion():
-    """Returns the version string for the platform, e.g. '-vista' or
-    '-snowleopard'. If the platform does not distinguish between
-    minor versions, it returns ''."""
-    os_version_string = platform.mac_ver()[0]  # e.g. "10.5.6"
-    if not os_version_string:
-        return '-leopard'
-
-    release_version = int(os_version_string.split('.')[1])
-
-    # we don't support 'tiger' or earlier releases
-    if release_version == 5:
-        return '-leopard'
-    elif release_version == 6:
-        return '-snowleopard'
-
-    return ''
-
-
-def GetNumCores():
-    """Returns the number of cores on the machine. For hyperthreaded machines,
-    this will be double the number of actual processors."""
-    return int(os.popen2("sysctl -n hw.ncpu")[1].read())
-
-
-def BaselinePath(platform=None):
-    """Returns the path relative to the top of the source tree for the
-    baselines for the specified platform version. If |platform| is None,
-    then the version currently in use is used."""
-    if platform is None:
-        platform = PlatformName()
-    return path_utils.PathFromBase('webkit', 'data', 'layout_tests',
-                                   'platform', platform, 'LayoutTests')
-
-# TODO: We should add leopard and snowleopard to the list of paths to check
-# once we start running the tests from snowleopard.
-
-
-def BaselineSearchPath(platform=None):
-    """Returns the list of directories to search for baselines/results, in
-    order of preference. Paths are relative to the top of the source tree."""
-    return [BaselinePath(platform),
-            path_utils.WebKitBaselinePath('mac' + PlatformVersion()),
-            path_utils.WebKitBaselinePath('mac')]
-
-
-def WDiffPath():
-    """Path to the WDiff executable, which we assume is already installed and
-    in the user's $PATH."""
-    return 'wdiff'
-
-
-def ImageDiffPath(target):
-    """Path to the image_diff executable
-
-    Args:
-      target: build type - 'Debug','Release',etc."""
-    return path_utils.PathFromBase('xcodebuild', target, 'image_diff')
-
-
-def LayoutTestHelperPath(target):
-    """Path to the layout_test_helper executable, if needed, empty otherwise
-
-    Args:
-      target: build type - 'Debug','Release',etc."""
-    return path_utils.PathFromBase('xcodebuild', target, 'layout_test_helper')
-
-
-def TestShellPath(target):
-    """Path to the test_shell executable.
-
-    Args:
-      target: build type - 'Debug','Release',etc."""
-    # TODO(pinkerton): make |target| happy with case-sensitive file systems.
-    return path_utils.PathFromBase('xcodebuild', target, 'TestShell.app',
-                                   'Contents', 'MacOS', 'TestShell')
-
-
-def ApacheExecutablePath():
-    """Returns the executable path to start Apache"""
-    return os.path.join("/usr", "sbin", "httpd")
-
-
-def ApacheConfigFilePath():
-    """Returns the path to Apache config file"""
-    return path_utils.PathFromBase("third_party", "WebKit", "LayoutTests",
-        "http", "conf", "apache2-httpd.conf")
-
-
-def LigHTTPdExecutablePath():
-    """Returns the executable path to start LigHTTPd"""
-    return path_utils.PathFromBase('third_party', 'lighttpd', 'mac',
-                                   'bin', 'lighttpd')
-
-
-def LigHTTPdModulePath():
-    """Returns the library module path for LigHTTPd"""
-    return path_utils.PathFromBase('third_party', 'lighttpd', 'mac', 'lib')
-
-
-def LigHTTPdPHPPath():
-    """Returns the PHP executable path for LigHTTPd"""
-    return path_utils.PathFromBase('third_party', 'lighttpd', 'mac', 'bin',
-                                   'php-cgi')
-
-
-def ShutDownHTTPServer(server_pid):
-    """Shut down the lighttpd web server. Blocks until it's fully shut down.
-
-      Args:
-        server_pid: The process ID of the running server.
-    """
-    # server_pid is not set when "http_server.py stop" is run manually.
-    if server_pid is None:
-        # TODO(mmoss) This isn't ideal, since it could conflict with lighttpd
-        # processes not started by http_server.py, but good enough for now.
-        KillAllProcess('lighttpd')
-        KillAllProcess('httpd')
-    else:
-        try:
-            os.kill(server_pid, signal.SIGTERM)
-            # TODO(mmoss) Maybe throw in a SIGKILL just to be sure?
-        except OSError:
-            # Sometimes we get a bad PID (e.g. from a stale httpd.pid file),
-            # so if kill fails on the given PID, just try to 'killall' web
-            # servers.
-            ShutDownHTTPServer(None)
-
-
-def KillProcess(pid):
-    """Forcefully kill the process.
-
-    Args:
-      pid: The id of the process to be killed.
-    """
-    os.kill(pid, signal.SIGKILL)
-
-
-def KillAllProcess(process_name):
-    # On Mac OS X 10.6, killall has a new constraint: -SIGNALNAME or
-    # -SIGNALNUMBER must come first.  Example problem:
-    #   $ killall -u $USER -TERM lighttpd
-    #   killall: illegal option -- T
-    # Use of the earlier -TERM placement is just fine on 10.5.
-    null = open(os.devnull)
-    subprocess.call(['killall', '-TERM', '-u', os.getenv('USER'),
-                    process_name], stderr=null)
-    null.close()
-
-
-def KillAllTestShells():
-    """Kills all instances of the test_shell binary currently running."""
-    KillAllProcess('TestShell')