1 # Copyright (C) 2011 Google Inc. All rights reserved. 2 # 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following disclaimer 11 # in the documentation and/or other materials provided with the 12 # distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived from 15 # this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 """This module is used to find files used by run-webkit-tests and 30 perftestrunner. It exposes one public function - find() - which takes 31 an optional list of paths, optional set of skipped directories and optional 32 filter callback. 33 34 If a list is passed in, the returned list of files is constrained to those 35 found under the paths passed in. i.e. calling find(["LayoutTests/fast"]) 36 will only return files under that directory. 37 38 If a set of skipped directories is passed in, the function will filter out 39 the files lying in these directories i.e. find(["LayoutTests"], set(["fast"])) 40 will return everything except files in fast subfolder. 41 42 If a callback is passed in, it will be called for the each file and the file 43 will be included into the result if the callback returns True. 44 The callback has to take three arguments: filesystem, dirname and filename.""" 45 46 import itertools 47 48 49 def find(filesystem, base_dir, paths=None, skipped_directories=None, file_filter=None, directory_sort_key=None): 50 """Finds the set of tests under a given list of sub-paths. 51 52 Args: 53 paths: a list of path expressions relative to base_dir 54 to search. Glob patterns are ok, as are path expressions with 55 forward slashes on Windows. If paths is empty, we look at 56 everything under the base_dir. 57 """ 58 59 paths = paths or ['*'] 60 skipped_directories = skipped_directories or set(['.svn', '_svn']) 61 return _normalized_find(filesystem, _normalize(filesystem, base_dir, paths), skipped_directories, file_filter, directory_sort_key) 62 63 64 def _normalize(filesystem, base_dir, paths): 65 return [filesystem.normpath(filesystem.join(base_dir, path)) for path in paths] 66 67 68 def _normalized_find(filesystem, paths, skipped_directories, file_filter, directory_sort_key): 69 """Finds the set of tests under the list of paths. 70 71 Args: 72 paths: a list of absolute path expressions to search. 73 Glob patterns are ok. 74 """ 75 76 paths_to_walk = itertools.chain(*(filesystem.glob(path) for path in paths)) 77 78 def sort_by_directory_key(files_list): 79 if directory_sort_key: 80 files_list.sort(key=directory_sort_key) 81 return files_list 82 83 all_files = itertools.chain(*(sort_by_directory_key(filesystem.files_under(path, skipped_directories, file_filter)) for path in paths_to_walk)) 84 return all_files 85
