[android_webview] Deps whitelist and scripts for AOSP builder

android_webview/buildbot/generate_local_manifest.py

+#!/usr/bin/env python
+# Copyright (c) 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.
+
+"""Generate local manifest in an Android repository.
+
+This is used to generate a local manifest in an Android repository. The purpose
+of the generated manifest is to remove the set of projects that exist under a
+certain path.
+"""
+
+from optparse import OptionParser
+import os
+import xml.etree.ElementTree as ET
+
+def createLocalManifest(manifest_path, local_manifest_path, path_to_exclude,
+                        pinned_projects=None):
+  manifest_tree = ET.parse(manifest_path)
+  local_manifest_root = ET.Element('manifest')
+
+  def remove_project(project):
+    remove_project = ET.SubElement(local_manifest_root, 'remove-project')
+    remove_project.set('name', project.get('name'))
+
+  def pin_project(project, revision):
+    pin_project = ET.SubElement(local_manifest_root, 'project')
+    pin_project.set('name', project.get('name'))
+    if project.get('path') != None:
+      pin_project.set('path', project.get('path'))
+    pin_project.set('revision', revision)
+
+  for project in manifest_tree.getroot().findall('project'):
+    project_path = project.get('path')
+    project_name = project.get('name')
+    exclude_project = ((project_path != None and
+                        project_path.startswith(path_to_exclude)) or
+                       (project_path == None and
+                        project_name.startswith(path_to_exclude)))
+    if exclude_project:
+      print 'Excluding project name="%s" path="%s"' % (project_name,
+                                                       project_path)
+      remove_project(project)
+      continue
+
+    pinned_projects = pinned_projects or []
+    for pinned in pinned_projects:
+      if pinned['path'] == project_path and pinned['name'] == project_name:
+        remove_project(project)
+        pin_project(project, pinned['revision'])
+        break
+
+  local_manifest_tree = ET.ElementTree(local_manifest_root)
+  local_manifest_dir = os.path.dirname(local_manifest_path)
+  if not os.path.exists(local_manifest_dir):
+    os.makedirs(local_manifest_dir)
+  local_manifest_tree.write(local_manifest_path,
+                            xml_declaration=True,
+                            encoding='UTF-8',
+                            method='xml')
+
+def main():
+  usage = 'usage: %prog [options] <android_build_top> <path_to_exclude>'
+  parser = OptionParser(usage=usage)
+  parser.add_option('--ndk-revision', dest='ndk_revision',
+                    help='pin the ndk project at a particular REVISION',
+                    metavar='REVISION', default=None)
+  parser.add_option('--manifest_filename', dest='manifest_filename',
+                    help='name of the manifest file', default='default.xml')
+  (options, args) = parser.parse_args()
+
+  if len(args) != 2:
+    parser.error('Wrong number of arguments.')
+
+  android_build_top = args[0]
+  path_to_exclude = args[1]
+
+  manifest_filename = options.manifest_filename
+
+  manifest_path = os.path.join(android_build_top, '.repo/manifests',
+                               manifest_filename)
+  local_manifest_path = os.path.join(android_build_top,
+                                     '.repo/local_manifest.xml')
+
+  pinned_projects = []
+  if options.ndk_revision:
+    pinned_projects = [{
+        'path': 'ndk',
+        'name': 'platform/ndk',
+        'revision' : options.ndk_revision,
+    },]
+
+  print 'Path to exclude: %s' % path_to_exclude
+  print 'Path to manifest file: %s' % manifest_path
+  createLocalManifest(manifest_path, local_manifest_path, path_to_exclude,
+                      pinned_projects)
+  print 'Local manifest created in: %s' % local_manifest_path
+
+if __name__ == '__main__':
+  main()