WebRTC: Remove android_apk recipe

scripts/slave/patch_path_filter.py

-#!/usr/bin/python
-# Copyright 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Script that can be used to filter out files from a patch/diff.
-
-Usage: pipe the patch contents to stdin and the filtered output will be written
-to stdout.
-The output will be compatible with the patch program, both for Subversion and
-Git patches as input.
-"""
-
-import optparse
-import os
-import re
-import sys
-
-from depot_tools_patch import patch
-
-# Subversion patch entries always start with either of the following, according
-# to depot_tools/third_party/upload.py.
-_SVN_PREFIXES = ('Index: ', 'Property changes on: ')
-_GIT_PREFIX = 'diff --git '
-
-_SVN_FILENAME_REGEX = re.compile(r'^.*: ([^\t]+).*\n$')
-
-# The Git patches generated from depot_tools/git_cl.py has the a/ and b/
-# prefixes for the source filenames stripped out. To support both normal patches
-# and such patches, theyse prefixes are put in optional non-capturing groups.
-_GIT_FILENAME_REGEX = re.compile(r'^diff --git (?:a/)?.* (?:b/)?(.*)\n$')
-
-
-def parse_git_patch_set(patch_contents):
-  return _parse_patch_set(_GIT_PREFIX, _GIT_FILENAME_REGEX, patch_contents)
-
-
-def parse_svn_patch_set(patch_contents):
-  return _parse_patch_set(_SVN_PREFIXES, _SVN_FILENAME_REGEX, patch_contents)
-
-
-def _parse_patch_set(prefix, filename_regex, patch_contents):
-  # To support both normal Git patches and ones that has been uploaded with
-  # depot_tools/third_party/upload.py (which adds an Subversion-style Index:
-  # line before each file entry) we strip out the Index: lines if they exist for
-  # Git patches, so we can parse each entry properly. Then they're readded in
-  # the convert_to_patch_compatible_diff funtion.
-  if prefix == _GIT_PREFIX:
-    filtered_lines = filter(lambda line: not line.startswith(_SVN_PREFIXES),
-                            patch_contents.splitlines(True))
-    patch_contents = ''.join(filtered_lines)
-
-  patch_chunks = []
-  current_chunk = []
-  for line in patch_contents.splitlines(True):
-    if line.startswith(prefix) and current_chunk:
-      patch_chunks.insert(0, current_chunk)
-      current_chunk = []
-    current_chunk.append(line)
-
-  if current_chunk:
-    patch_chunks.insert(0, current_chunk)
-
-  # Parse filename for each patch chunk and create FilePatchDiff objects
-  patches = []
-  for chunk in patch_chunks:
-    match = filename_regex.match(chunk[0])
-    if not match:
-      raise Exception('Did not find any filename in line "%s"' % chunk[0])
-    filename = match.group(1).replace('\\', '/')
-    patches.append(patch.FilePatchDiff(filename=filename, diff=''.join(chunk),
-                                       svn_properties=[]))
-  return patch.PatchSet(patches)
-
-
-def convert_to_patch_compatible_diff(filename, patch_entry):
-  """Convert patch data to be compatible with the standard patch program.
-
-  This will remove the "a/" and "b/" prefixes added by Git, so the patch becomes
-  compatible with the standard patch program.
-  It will also add an Index: line at the first line if not already present, to
-  make the patch entry compatible a Subversion patch (so it can be used by the
-  standard patch program).
-  """
-  diff = ''
-  patch_lines = patch_entry.splitlines(True)
-  if not patch_lines[0].startswith(_SVN_PREFIXES):
-    diff += _SVN_PREFIXES[0] + filename + '\n'
-
-  for line in patch_lines:
-    if line.startswith('---'):
-      line = line.replace('a/' + filename, filename)
-    elif line.startswith('+++'):
-      line = line.replace('b/' + filename, filename)
-    diff += line
-  return diff
-
-
-def main():
-  usage = '%s -f <path-filter>' % os.path.basename(sys.argv[0])
-  parser = optparse.OptionParser(usage=usage)
-  parser.add_option('-f', '--path-filter',
-                    help=('The path filter (POSIX paths) that all file paths '
-                          'are required to have to pass this filter (no '
-                          'regexp).'))
-  options, args = parser.parse_args()
-  if args:
-    parser.error('Unused args: %s' % args)
-  if not options.path_filter:
-    parser.error('A path filter must be be specified.')
-
-  patch_contents = sys.stdin.read()
-
-  # Find out if it's a Git or Subversion patch set.
-  is_git = any(l.startswith(_GIT_PREFIX) for l in patch_contents.splitlines())
-
-  if is_git:
-    patchset = parse_git_patch_set(patch_contents)
-  else:
-    patchset = parse_svn_patch_set(patch_contents)
-
-  # Only print the patch entries that passes our path filter.
-  for patch_entry in patchset:
-    if patch_entry.filename.startswith(options.path_filter):
-      print convert_to_patch_compatible_diff(patch_entry.filename,
-                                             patch_entry.get(for_git=False)),
-
-if __name__ == '__main__':
-  sys.exit(main())