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-# Copyright (C) 2011 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.
-
-"""This module is used to find files used by run-webkit-tests and
-perftestrunner. It exposes one public function - find() - which takes
-an optional list of paths, optional set of skipped directories and optional
-filter callback.
-
-If a list is passed in, the returned list of files is constrained to those
-found under the paths passed in. i.e. calling find(["LayoutTests/fast"])
-will only return files under that directory.
-
-If a set of skipped directories is passed in, the function will filter out
-the files lying in these directories i.e. find(["LayoutTests"], set(["fast"]))
-will return everything except files in fast subfolder.
-
-If a callback is passed in, it will be called for the each file and the file
-will be included into the result if the callback returns True.
-The callback has to take three arguments: filesystem, dirname and filename."""
-
-import itertools
-
-
-def find(filesystem, base_dir, paths=None, skipped_directories=None, file_filter=None, directory_sort_key=None):
- """Finds the set of tests under a given list of sub-paths.
-
- Args:
- paths: a list of path expressions relative to base_dir
- to search. Glob patterns are ok, as are path expressions with
- forward slashes on Windows. If paths is empty, we look at
- everything under the base_dir.
- """
-
- paths = paths or ['*']
- skipped_directories = skipped_directories or set(['.svn', '_svn'])
- return _normalized_find(filesystem, _normalize(filesystem, base_dir, paths), skipped_directories, file_filter, directory_sort_key)
-
-
-def _normalize(filesystem, base_dir, paths):
- return [filesystem.normpath(filesystem.join(base_dir, path)) for path in paths]
-
-
-def _normalized_find(filesystem, paths, skipped_directories, file_filter, directory_sort_key):
- """Finds the set of tests under the list of paths.
-
- Args:
- paths: a list of absolute path expressions to search.
- Glob patterns are ok.
- """
-
- paths_to_walk = itertools.chain(*(filesystem.glob(path) for path in paths))
-
- def sort_by_directory_key(files_list):
- if directory_sort_key:
- files_list.sort(key=directory_sort_key)
- return files_list
-
- all_files = itertools.chain(*(sort_by_directory_key(filesystem.files_under(path, skipped_directories, file_filter)) for path in paths_to_walk))
- return all_files