Removes files from //build that we don't need

build/android/generate_emma_html.py

-#!/usr/bin/env 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.
-
-"""Aggregates EMMA coverage files to produce html output."""
-
-import fnmatch
-import json
-import optparse
-import os
-import sys
-
-from pylib import cmd_helper
-from pylib import constants
-
-
-def _GetFilesWithExt(root_dir, ext):
-  """Gets all files with a given extension.
-
-  Args:
-    root_dir: Directory in which to search for files.
-    ext: Extension to look for (including dot)
-
-  Returns:
-    A list of absolute paths to files that match.
-  """
-  files = []
-  for root, _, filenames in os.walk(root_dir):
-    basenames = fnmatch.filter(filenames, '*.' + ext)
-    files.extend([os.path.join(root, basename)
-                  for basename in basenames])
-
-  return files
-
-
-def main():
-  option_parser = optparse.OptionParser()
-  option_parser.add_option('--output', help='HTML output filename.')
-  option_parser.add_option('--coverage-dir', default=None,
-                           help=('Root of the directory in which to search for '
-                                 'coverage data (.ec) files.'))
-  option_parser.add_option('--metadata-dir', default=None,
-                           help=('Root of the directory in which to search for '
-                                 'coverage metadata (.em) files.'))
-  option_parser.add_option('--cleanup', action='store_true',
-                           help=('If set, removes coverage files generated at '
-                                 'runtime.'))
-  options, _ = option_parser.parse_args()
-
-  if not (options.coverage_dir and options.metadata_dir and options.output):
-    option_parser.error('One or more mandatory options are missing.')
-
-  coverage_files = _GetFilesWithExt(options.coverage_dir, 'ec')
-  metadata_files = _GetFilesWithExt(options.metadata_dir, 'em')
-  print 'Found coverage files: %s' % str(coverage_files)
-  print 'Found metadata files: %s' % str(metadata_files)
-
-  sources = []
-  for f in metadata_files:
-    sources_file = os.path.splitext(f)[0] + '_sources.txt'
-    with open(sources_file, 'r') as sf:
-      sources.extend(json.load(sf))
-  sources = [os.path.join(constants.DIR_SOURCE_ROOT, s) for s in sources]
-  print 'Sources: %s' % sources
-
-  input_args = []
-  for f in coverage_files + metadata_files:
-    input_args.append('-in')
-    input_args.append(f)
-
-  output_args = ['-Dreport.html.out.file', options.output]
-  source_args = ['-sp', ','.join(sources)]
-
-  exit_code = cmd_helper.RunCmd(
-      ['java', '-cp',
-       os.path.join(constants.ANDROID_SDK_ROOT, 'tools', 'lib', 'emma.jar'),
-       'emma', 'report', '-r', 'html']
-      + input_args + output_args + source_args)
-
-  if options.cleanup:
-    for f in coverage_files:
-      os.remove(f)
-
-  return exit_code
-
-
-if __name__ == '__main__':
-  sys.exit(main())