blob: 7d7f9e15b10a1c86e27882f57a4a725af03659ed [file] [log] [blame]
# Copyright (c) 2012 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os
class WebKitFinder(object):
def __init__(self, filesystem):
self._filesystem = filesystem
self._webkit_base = None
def webkit_base(self):
"""Returns the absolute path to the top of the WebKit tree.
Raises an AssertionError if the top dir can't be determined."""
# Note: This code somewhat duplicates the code in
# scm.find_checkout_root(). However, that code only works if the top
# of the SCM repository also matches the top of the WebKit tree. Some SVN users
# (the chromium test bots, for example), might only check out subdirectories like
# Tools/Scripts. This code will also work if there is no SCM system at all.
if not self._webkit_base:
self._webkit_base = self._webkit_base
module_path = self._filesystem.path_to_module(self.__module__)
tools_index = module_path.rfind('Tools')
assert tools_index != -1, "could not find location of this checkout from %s" % module_path
self._webkit_base = self._filesystem.normpath(module_path[0:tools_index - 1])
return self._webkit_base
def path_from_webkit_base(self, *comps):
return self._filesystem.join(self.webkit_base(), *comps)
def path_from_webkit_outputdir(self, *comps):
base_path = os.environ['WEBKIT_OUTPUTDIR'] if 'WEBKIT_OUTPUTDIR' in os.environ else self.path_from_webkit_base('WebKitBuild')
return self._filesystem.join(base_path, *comps)
def path_to_script(self, script_name):
"""Returns the relative path to the script from the top of the WebKit tree."""
# This is intentionally relative in order to force callers to consider what
# their current working directory is (and change to the top of the tree if necessary).
return self._filesystem.join("Tools", "Scripts", script_name)
def layout_tests_dir(self):
return self.path_from_webkit_base('LayoutTests')
def perf_tests_dir(self):
return self.path_from_webkit_base('PerformanceTests')