Index: download_appengine_sdk.py |
=================================================================== |
--- download_appengine_sdk.py (revision 0) |
+++ download_appengine_sdk.py (revision 0) |
@@ -0,0 +1,77 @@ |
+#!/usr/bin/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. |
+ |
+"""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 hashlib |
+import os |
+import shutil |
+import sys |
+import subprocess |
+import zipfile |
+ |
+ |
+def _DownloadAppEngineZipFile(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 _ComputeSHA1(path): |
+ if not os.path.exists(path): |
+ return 0 |
+ |
+ sha1 = hashlib.sha1() |
+ file_to_hash = open(path, 'rb') |
+ try: |
+ sha1.update(file_to_hash.read()) |
+ finally: |
+ file_to_hash.close() |
+ |
+ return sha1.hexdigest() |
+ |
+ |
+# This is necessary since Windows won't allow us to unzip onto an existing dir. |
+def _DeleteOldAppEngineDir(): |
+ app_engine_dir = 'google_appengine' |
+ print 'Deleting %s in %s...' % (app_engine_dir, os.getcwd()) |
+ shutil.rmtree(app_engine_dir, ignore_errors=True) |
+ |
+ |
+def _Unzip(path): |
+ print 'Unzipping %s in %s...' % (path, os.getcwd()) |
+ zip_file = zipfile.ZipFile(path) |
+ try: |
+ zip_file.extractall() |
+ finally: |
+ zip_file.close() |
+ |
+ |
+def main(argv): |
+ if len(argv) == 1: |
+ return 'Usage: %s <path to webrtc.DEPS>' % argv[0] |
+ |
+ webrtc_deps_path = argv[1] |
+ zip_path = os.path.join(webrtc_deps_path, 'google-appengine.zip') |
+ old_zip_sha1 = _ComputeSHA1(zip_path) |
+ |
+ _DownloadAppEngineZipFile(webrtc_deps_path) |
+ |
+ if old_zip_sha1 != _ComputeSHA1(zip_path): |
+ _DeleteOldAppEngineDir() |
+ _Unzip(zip_path) |
+ |
+ |
+if __name__ == '__main__': |
+ sys.exit(main(sys.argv)) |
Property changes on: download_appengine_sdk.py |
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Added: svn:eol-style |
+ LF |
Added: svn:executable |
+ * |