Revert change r37732. Remove copies of scripts from old location.

dart/tools/dartium/get_chromium_build.py

-#!/usr/bin/env python
-#
-# Copyright (c) 2014 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.
-
-"""Gets a Chromium archived build, and unpacks it
-   into a target directory.
-
-  Use -r option to specify the revison number
-  Use -t option to specify the directory to unzip the build into.
-
-Usage:
-  $ /path/to/get_chromium_build.py -r <revision> -t <target>
-"""
-
-import logging
-import optparse
-import os
-import platform
-import shutil
-import subprocess
-import sys
-import time
-import urllib
-import urllib2
-import zipfile
-
-# Example chromium build location:
-# gs://chromium-browser-snapshots/Linux_x64/228977/chrome-linux.zip
-CHROMIUM_URL_FMT = ('http://commondatastorage.googleapis.com/'
-                    'chromium-browser-snapshots/%s/%s/%s')
-
-class BuildUpdater(object):
-  _PLATFORM_PATHS_MAP = {
-      'Linux': { 'zipfiles': ['chrome-linux.zip'],
-                 'folder': 'chrome_linux',
-                 'archive_path': 'Linux_x64'},
-      'Darwin': {'zipfiles': ['chrome-mac.zip'],
-                 'folder': 'chrome_mac',
-                 'archive_path': 'Mac'},
-      'Windows': {'zipfiles': ['chrome-win32.zip',
-                               'chrome-win32-syms.zip'],
-                 'folder': 'chrome_win',
-                 'archive_path': 'Win'}}
-
-  def __init__(self, options):
-    platform_data = BuildUpdater._PLATFORM_PATHS_MAP[platform.system()]
-    self._zipfiles = platform_data['zipfiles']
-    self._folder = platform_data['folder']
-    self._archive_path = platform_data['archive_path']
-    self._revision = int(options.revision)
-    self._target_dir = options.target_dir
-    self._download_dir = os.path.join(self._target_dir, 'downloads')
-
-  def _GetBuildUrl(self, revision, filename):
-    return CHROMIUM_URL_FMT % (self._archive_path, revision, filename)
-
-  def _FindBuildRevision(self, revision, filename):
-    MAX_REVISIONS_PER_BUILD = 100
-    for revision_guess in xrange(revision, revision + MAX_REVISIONS_PER_BUILD):
-      if self._DoesBuildExist(revision_guess, filename):
-        return revision_guess
-      else:
-        time.sleep(.1)
-    return None
-
-  def _DoesBuildExist(self, revision_guess, filename):
-    url = self._GetBuildUrl(revision_guess, filename)
-
-    r = urllib2.Request(url)
-    r.get_method = lambda: 'HEAD'
-    try:
-      urllib2.urlopen(r)
-      return True
-    except urllib2.HTTPError, err:
-      if err.code == 404:
-        return False
-
-  def _DownloadBuild(self):
-    if not os.path.exists(self._download_dir):
-      os.makedirs(self._download_dir)
-    for zipfile in self._zipfiles:
-      build_revision = self._FindBuildRevision(self._revision, zipfile)
-      if not build_revision:
-        logging.critical('Failed to find %s build for r%s\n',
-                         self._archive_path,
-                         self._revision)
-        sys.exit(1)
-      url = self._GetBuildUrl(build_revision, zipfile)
-      logging.info('Downloading %s', url)
-      r = urllib2.urlopen(url)
-      with file(os.path.join(self._download_dir, zipfile), 'wb') as f:
-        f.write(r.read())
-
-  def _UnzipFile(self, dl_file, dest_dir):
-    if not zipfile.is_zipfile(dl_file):
-      return False
-    logging.info('Unzipping %s', dl_file)
-    with zipfile.ZipFile(dl_file, 'r') as z:
-      for content in z.namelist():
-        dest = os.path.join(dest_dir, content[content.find('/')+1:])
-        # Create dest parent dir if it does not exist.
-        if not os.path.isdir(os.path.dirname(dest)):
-          logging.info('Making %s', dest)
-          os.makedirs(os.path.dirname(dest))
-        # If dest is just a dir listing, do nothing.
-        if not os.path.basename(dest):
-          continue
-        with z.open(content) as unzipped_content:
-          logging.info('Extracting %s to %s (%s)', content, dest, dl_file)
-          with file(dest, 'wb') as dest_file:
-            dest_file.write(unzipped_content.read())
-          permissions = z.getinfo(content).external_attr >> 16
-          if permissions:
-            os.chmod(dest, permissions)
-    return True
-
-  def _ClearDir(self, dir):
-    """Clears all files in |dir| except for hidden files and folders."""
-    for root, dirs, files in os.walk(dir):
-      # Skip hidden files and folders (like .svn and .git).
-      files = [f for f in files if f[0] != '.']
-      dirs[:] = [d for d in dirs if d[0] != '.']
-
-      for f in files:
-        os.remove(os.path.join(root, f))
-
-  def _ExtractBuild(self):
-    dest_dir = os.path.join(self._target_dir, self._folder)
-    self._ClearDir(dest_dir)
-    for root, _, dl_files in os.walk(os.path.join(self._download_dir)):
-      for dl_file in dl_files:
-        dl_file = os.path.join(root, dl_file)
-        if not self._UnzipFile(dl_file, dest_dir):
-          logging.info('Copying %s to %s', dl_file, dest_dir)
-          shutil.copy(dl_file, dest_dir)
-    shutil.rmtree(self._download_dir)
-
-  def DownloadAndUpdateBuild(self):
-    self._DownloadBuild()
-    self._ExtractBuild()
-
-
-def ParseOptions(argv):
-  parser = optparse.OptionParser()
-  usage = 'usage: %prog <options>'
-  parser.set_usage(usage)
-  parser.add_option('-r', dest='revision',
-                    help='Revision to download.')
-  parser.add_option('-t', dest='target_dir',
-                    help='Target directory for unzipped Chromium.')
-
-  (options, _) = parser.parse_args(argv)
-  if not options.revision:
-    logging.critical('Must specify -r.\n')
-    sys.exit(1)
-  if not options.target_dir:
-    logging.critical('Must specify -t.\n')
-    sys.exit(1)
-  return options
-
-def main(argv):
-  logging.getLogger().setLevel(logging.DEBUG)
-  options = ParseOptions(argv)
-  b = BuildUpdater(options)
-  b.DownloadAndUpdateBuild()
-  logging.info('Successfully got archived Chromium build.')
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))