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127 lines
3.5 KiB
127 lines
3.5 KiB
#!/usr/bin/env python |
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# |
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# Copyright (C) 2009 The Android Open Source Project |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# |
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# |
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# Finds files with the specified name under a particular directory, stopping |
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# the search in a given subdirectory when the file is found. |
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# |
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import os |
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import sys |
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def perform_find(mindepth, prune, dirlist, filenames): |
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result = [] |
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pruneleaves = set(map(lambda x: os.path.split(x)[1], prune)) |
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seen = set() |
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for rootdir in dirlist: |
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rootdepth = rootdir.count("/") |
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for root, dirs, files in os.walk(rootdir, followlinks=True): |
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# prune |
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check_prune = False |
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for d in dirs: |
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if d in pruneleaves: |
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check_prune = True |
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break |
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if check_prune: |
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i = 0 |
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while i < len(dirs): |
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if dirs[i] in prune: |
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del dirs[i] |
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else: |
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i += 1 |
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# mindepth |
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if mindepth > 0: |
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depth = 1 + root.count("/") - rootdepth |
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if depth < mindepth: |
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continue |
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# match |
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for filename in filenames: |
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if filename in files: |
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result.append(os.path.join(root, filename)) |
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del dirs[:] |
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# filter out inodes that have already been seen due to symlink loops |
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i = 0 |
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while i < len(dirs): |
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st = os.stat(os.path.join(root, dirs[i])) |
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key = (st.st_dev, st.st_ino) |
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if key in seen: |
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del dirs[i] |
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else: |
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i += 1 |
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seen.add(key) |
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return result |
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def usage(): |
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sys.stderr.write("""Usage: %(progName)s [<options>] [--dir=<dir>] <filenames> |
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Options: |
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--mindepth=<mindepth> |
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Both behave in the same way as their find(1) equivalents. |
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--prune=<dirname> |
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Avoids returning results from inside any directory called <dirname> |
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(e.g., "*/out/*"). May be used multiple times. |
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--dir=<dir> |
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Add a directory to search. May be repeated multiple times. For backwards |
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compatibility, if no --dir argument is provided then all but the last entry |
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in <filenames> are treated as directories. |
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""" % { |
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"progName": os.path.split(sys.argv[0])[1], |
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}) |
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sys.exit(1) |
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def main(argv): |
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mindepth = -1 |
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prune = [] |
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dirlist = [] |
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i=1 |
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while i<len(argv) and len(argv[i])>2 and argv[i][0:2] == "--": |
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arg = argv[i] |
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if arg.startswith("--mindepth="): |
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try: |
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mindepth = int(arg[len("--mindepth="):]) |
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except ValueError: |
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usage() |
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elif arg.startswith("--prune="): |
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p = arg[len("--prune="):] |
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if len(p) == 0: |
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usage() |
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prune.append(p) |
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elif arg.startswith("--dir="): |
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d = arg[len("--dir="):] |
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if len(p) == 0: |
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usage() |
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dirlist.append(d) |
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else: |
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usage() |
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i += 1 |
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if len(dirlist) == 0: # backwards compatibility |
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if len(argv)-i < 2: # need both <dirlist> and <filename> |
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usage() |
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dirlist = argv[i:-1] |
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filenames = [argv[-1]] |
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else: |
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if len(argv)-i < 1: # need <filename> |
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usage() |
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filenames = argv[i:] |
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results = list(set(perform_find(mindepth, prune, dirlist, filenames))) |
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results.sort() |
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for r in results: |
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print r |
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if __name__ == "__main__": |
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main(sys.argv)
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