diff options
Diffstat (limited to '')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/closure-library/closure/bin/build/treescan.py | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/closure-library/closure/bin/build/treescan.py b/dom/canvas/test/webgl-conf/checkout/closure-library/closure/bin/build/treescan.py new file mode 100644 index 0000000000..6694593aab --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/closure-library/closure/bin/build/treescan.py @@ -0,0 +1,78 @@ +#!/usr/bin/env python +# +# Copyright 2010 The Closure Library Authors. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS-IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +"""Shared utility functions for scanning directory trees.""" + +import os +import re + + +__author__ = 'nnaze@google.com (Nathan Naze)' + + +# Matches a .js file path. +_JS_FILE_REGEX = re.compile(r'^.+\.js$') + + +def ScanTreeForJsFiles(root): + """Scans a directory tree for JavaScript files. + + Args: + root: str, Path to a root directory. + + Returns: + An iterable of paths to JS files, relative to cwd. + """ + return ScanTree(root, path_filter=_JS_FILE_REGEX) + + +def ScanTree(root, path_filter=None, ignore_hidden=True): + """Scans a directory tree for files. + + Args: + root: str, Path to a root directory. + path_filter: A regular expression filter. If set, only paths matching + the path_filter are returned. + ignore_hidden: If True, do not follow or return hidden directories or files + (those starting with a '.' character). + + Yields: + A string path to files, relative to cwd. + """ + + def OnError(os_error): + raise os_error + + for dirpath, dirnames, filenames in os.walk(root, onerror=OnError): + # os.walk allows us to modify dirnames to prevent decent into particular + # directories. Avoid hidden directories. + for dirname in dirnames: + if ignore_hidden and dirname.startswith('.'): + dirnames.remove(dirname) + + for filename in filenames: + + # nothing that starts with '.' + if ignore_hidden and filename.startswith('.'): + continue + + fullpath = os.path.join(dirpath, filename) + + if path_filter and not path_filter.match(fullpath): + continue + + yield os.path.normpath(fullpath) |