Add multivm archive download script for buildbot use.

tools/dartium/download_multivm.py

+#!/usr/bin/python
+
+# Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+"""Download archived multivm or dartium builds.
+
+  Usage: download_multivm.py revision build_directory target_directory
+"""
+
+import os
+import platform
+import shutil
+import subprocess
+import sys
+
+BUILDER_NAME = 'BUILDBOT_BUILDERNAME'
+
+if platform.system() == 'Windows':

[ricow1, 2014/05/22 13:18:11]

if we are not on a bot we should default to just gsutil and use the system
supplied one

[Bill Hesse, 2014/05/22 16:23:41]

Done.  But we will fail earlier if BUILDBOT_BUILDERNAME is not in the
environment.

+  GSUTIL = 'e:\\b\\build\\scripts\\slave\\gsutil.bat'
+else:
+  GSUTIL = '/b/build/scripts/slave/gsutil'
+GSUTIL = '/usr/local/google/home/whesse/ssd/gsutil/gsutil'

[ricow1, 2014/05/22 13:18:11]

I don't think you want to do that :-)

[Bill Hesse, 2014/05/22 16:23:41]

Done.

+
+GS_SITE = 'gs://'
+GS_BUCKET = 'dartium-archive'
+# We are in [checkout dir]/src/dart/tools/dartium in a dartium/multivm checkout
+SRC_DIR = os.path.dirname(
+          os.path.dirname(
+          os.path.dirname(
+          os.path.dirname(__file__))))
+
+def DownloadArchive(bucket, revision, build_dir, target_dir):
+  dartium_bucket = bucket.replace('multivm', 'multivm-dartium')
+  dartium_archive = dartium_bucket + '-' + revision + '.zip'

[ricow1, 2014/05/22 13:18:11]

dartium_archive -> filename

[Bill Hesse, 2014/05/22 16:23:41]

archive_file

+
+  source = '/'.join([GS_SITE + GS_BUCKET, dartium_bucket, dartium_archive])
+  zip_file = '/'.join([build_dir, dartium_archive])
+
+  if not os.path.exists(GSUTIL):
+    print('download_multivm.py must be run in a dartium or multivm checkout'
+          ' on a buildbot slave.\nCould not find gsutil at %s' % GSUTIL)
+    sys.exit(-1)
+  ExecuteCommand([GSUTIL, 'cp', source, zip_file])
+  unzip_result_dir = zip_file.replace('.zip', '')
+  if os.path.exists(unzip_result_dir):
+    shutil.rmtree(unzip_result_dir)
+
+  if platform.system() == 'Windows':
+    executable = os.path.join(SRC_DIR, 'third_party', 'lzma_sdk',
+                              'Executable', '7za.exe')
+    ExecuteCommand([executable, 'x', '-aoa', '-o%s' % build_dir, zip_file])
+  else:
+    ExecuteCommand(['unzip', zip_file, '-d', build_dir])
+  os.remove(zip_file)
+  if os.path.exists(target_dir):
+    shutil.rmtree(target_dir)
+  shutil.move(zip_file.replace('.zip', ''), target_dir)
+  return 0
+
+
+def ExecuteCommand(cmd):
+  print 'Executing: ' + ' '.join(cmd)
+  subprocess.check_output(cmd)
+
+def main():
+  revision = sys.argv[1]
+  build_dir = sys.argv[2]
+  target_dir = sys.argv[3]
+  bucket = os.environ[BUILDER_NAME].replace('linux', 'lucid64')

[ricow1, 2014/05/22 13:18:11]

do all the renaming here, remove from DownloadArchive

[Bill Hesse, 2014/05/22 16:23:41]

Done.

+  DownloadArchive(bucket, revision, build_dir, target_dir)
+
+if __name__ == '__main__':
+  sys.exit(main())