| # 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 | |
| import sys | |
| def add_typ_dir_to_sys_path(): | |
| path_to_typ = get_typ_dir() | |
| if path_to_typ not in sys.path: | |
| sys.path.append(path_to_typ) | |
| def add_bindings_scripts_dir_to_sys_path(): | |
| path_to_bindings_scripts = get_bindings_scripts_dir() | |
| if path_to_bindings_scripts not in sys.path: | |
| sys.path.append(path_to_bindings_scripts) | |
| def get_bindings_scripts_dir(): | |
| return os.path.join(get_source_dir(), 'bindings', 'scripts') | |
| def get_blink_dir(): | |
| return os.path.dirname(os.path.dirname(get_scripts_dir())) | |
| def get_chromium_src_dir(): | |
| return os.path.dirname(os.path.dirname(get_blink_dir())) | |
| def get_scripts_dir(): | |
| return os.path.dirname( | |
| os.path.dirname(os.path.dirname(os.path.realpath(__file__)))) | |
| def get_source_dir(): | |
| return os.path.join(get_blink_dir(), 'Source') | |
| def get_typ_dir(): | |
| return os.path.join(get_chromium_src_dir(), 'third_party', 'typ') | |
| def get_webkitpy_thirdparty_dir(): | |
| return os.path.join(get_scripts_dir(), 'webkitpy', 'thirdparty') | |
| class WebKitFinder(object): | |
| def __init__(self, filesystem): | |
| self._filesystem = filesystem | |
| self._dirsep = filesystem.sep | |
| self._sys_path = sys.path | |
| self._env_path = os.environ['PATH'].split(os.pathsep) | |
| self._webkit_base = None | |
| self._chromium_base = None | |
| self._depot_tools = 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 | |
| # git.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. | |
| # TODO(qyearsley): Remove duplicate code; we're not concerned with SVN users anymore. | |
| # Also, instead of caching the result with a private instance variable, we can use | |
| # the memoized decorator. | |
| if not self._webkit_base: | |
| self._webkit_base = self._webkit_base | |
| module_path = self._filesystem.abspath(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 chromium_base(self): | |
| if not self._chromium_base: | |
| self._chromium_base = self._filesystem.dirname(self._filesystem.dirname(self.webkit_base())) | |
| return self._chromium_base | |
| def path_from_webkit_base(self, *comps): | |
| return self._filesystem.join(self.webkit_base(), *comps) | |
| def path_from_chromium_base(self, *comps): | |
| return self._filesystem.join(self.chromium_base(), *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') | |
| def layout_test_name(self, file_path): | |
| """Returns a layout test name, given the path from the repo root. | |
| Note: this appears to not work on Windows; see crbug.com/658795. | |
| Also, this function duplicates functionality that's in | |
| Port.relative_test_filename. | |
| TODO(qyearsley): De-duplicate this and Port.relative_test_filename, | |
| and ensure that it works properly with Windows paths. | |
| Args: | |
| file_path: A relative path from the root of the Chromium repo. | |
| Returns: | |
| The normalized layout test name, which is just the relative path from | |
| the LayoutTests directory, using forward slash as the path separator. | |
| Returns None if the given file is not in the LayoutTests directory. | |
| """ | |
| layout_tests_abs_path = self._filesystem.join(self.webkit_base(), self.layout_tests_dir()) | |
| layout_tests_rel_path = self._filesystem.relpath(layout_tests_abs_path, self.chromium_base()) | |
| if not file_path.startswith(layout_tests_rel_path): | |
| return None | |
| return file_path[len(layout_tests_rel_path) + 1:] | |
| def depot_tools_base(self): | |
| if not self._depot_tools: | |
| # This basically duplicates src/build/find_depot_tools.py without the side effects | |
| # (adding the directory to sys.path and importing breakpad). | |
| self._depot_tools = (self._check_paths_for_depot_tools(self._sys_path) or | |
| self._check_paths_for_depot_tools(self._env_path) or | |
| self._check_upward_for_depot_tools()) | |
| return self._depot_tools | |
| def _check_paths_for_depot_tools(self, paths): | |
| for path in paths: | |
| if path.rstrip(self._dirsep).endswith('depot_tools'): | |
| return path | |
| return None | |
| def _check_upward_for_depot_tools(self): | |
| fs = self._filesystem | |
| prev_dir = '' | |
| current_dir = fs.dirname(self._webkit_base) | |
| while current_dir != prev_dir: | |
| if fs.exists(fs.join(current_dir, 'depot_tools', 'pylint.py')): | |
| return fs.join(current_dir, 'depot_tools') | |
| prev_dir = current_dir | |
| current_dir = fs.dirname(current_dir) | |
| def path_from_depot_tools_base(self, *comps): | |
| return self._filesystem.join(self.depot_tools_base(), *comps) |