Moving scripts to download and build apprtc/collider.

webrtc/tools/testing/download_apprtc_appengine_and_mercurial.py

Index: webrtc/tools/testing/download_apprtc_appengine_and_mercurial.py
diff --git a/webrtc/tools/testing/download_apprtc_appengine_and_mercurial.py b/webrtc/tools/testing/download_apprtc_appengine_and_mercurial.py
new file mode 100755
index 0000000000000000000000000000000000000000..764b0e964a27309f27c2105656a09c6da3cfe1dd
--- /dev/null
+++ b/webrtc/tools/testing/download_apprtc_appengine_and_mercurial.py
@@ -0,0 +1,70 @@
+#!/usr/bin/env python
+# Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+"""Downloads the appengine SDK from WebRTC storage and unpacks it.
+
+Requires that depot_tools is installed and in the PATH. This script expects
+to run with Chrome's base dir as the working directory, e.g. where the .gclient
+file is. This is what should happen if this script is invoked as a hook action.
+"""
+
+import glob
+import os
+import sys
+import subprocess
+
+import utils
+
+def _DownloadResources(webrtc_deps_path):
+  print 'Downloading files in %s...' % webrtc_deps_path
+
+  extension = 'bat' if 'win32' in sys.platform else 'py'
+  cmd = ['download_from_google_storage.%s' % extension,
+         '--bucket=chromium-webrtc-resources',
+         '--directory', webrtc_deps_path]
+  subprocess.check_call(cmd)
+
+
+def _StripVersionNumberFromMercurialFolder():
+  unpacked_name = glob.glob('mercurial*')
+  assert len(unpacked_name) == 1, 'Should have precisely one mercurial!'
+  os.rename(unpacked_name[0], 'mercurial')
+
+
+def main(argv):
+  if len(argv) == 1:
+    return 'Usage: %s <path to webrtc.DEPS>' % argv[0]
+
+  webrtc_deps_path = os.path.join(argv[1], 'src', 'webrtc', 'tools', 'testing')
+  appengine_zip_path = os.path.join(webrtc_deps_path, 'google-appengine.zip')
+  old_appengine_sha1 = utils.ComputeSHA1(appengine_zip_path)
+
+  mercurial_tar_path = os.path.join(webrtc_deps_path, 'mercurial-src.tar.gz')
+  old_mercurial_sha1 = utils.ComputeSHA1(mercurial_tar_path)
+
+  apprtc_zip_path = os.path.join(webrtc_deps_path, 'prebuilt_apprtc.zip')
+  old_apprtc_sha1 = utils.ComputeSHA1(apprtc_zip_path)
+
+  _DownloadResources(webrtc_deps_path)
+
+  if old_appengine_sha1 != utils.ComputeSHA1(appengine_zip_path):
+    utils.DeleteDirNextToGclient('google_appengine')
+    utils.UnpackToWorkingDir(appengine_zip_path)
+
+  if old_mercurial_sha1 != utils.ComputeSHA1(mercurial_tar_path):
+    utils.DeleteDirNextToGclient('mercurial')
+    utils.UnpackToWorkingDir(mercurial_tar_path)
+    _StripVersionNumberFromMercurialFolder()
+
+  if old_apprtc_sha1 != utils.ComputeSHA1(apprtc_zip_path):
+    utils.DeleteDirNextToGclient('apprtc')
+    utils.UnpackToWorkingDir(apprtc_zip_path)
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))