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1 #!/usr/bin/env python | |
2 # Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | |
3 # | |
4 # Use of this source code is governed by a BSD-style license | |
5 # that can be found in the LICENSE file in the root of the source | |
6 # tree. An additional intellectual property rights grant can be found | |
7 # in the file PATENTS. All contributing project authors may | |
8 # be found in the AUTHORS file in the root of the source tree. | |
9 | |
10 """Downloads the appengine SDK from WebRTC storage and unpacks it. | |
11 | |
12 Requires that depot_tools is installed and in the PATH. | |
13 | |
14 It downloads compressed files in the directory where the script lives. | |
15 This is because the precondition is that the script lives in the same | |
16 directory of the .sha1 files. | |
17 """ | |
18 | |
19 import glob | |
20 import os | |
21 import sys | |
22 import subprocess | |
23 | |
24 import utils | |
25 | |
26 | |
27 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) | |
28 | |
29 def _DownloadResources(dir_to_scan_for_sha1): | |
30 print 'Downloading files in %s...' % dir_to_scan_for_sha1 | |
31 | |
32 extension = 'bat' if 'win32' in sys.platform else 'py' | |
33 cmd = ['download_from_google_storage.%s' % extension, | |
34 '--bucket=chromium-webrtc-resources', | |
35 '--directory', dir_to_scan_for_sha1] | |
36 subprocess.check_call(cmd) | |
37 | |
38 | |
39 def _StripVersionNumberFromMercurialFolder(output_dir): | |
40 unpacked_name = glob.glob(os.path.join(output_dir, 'mercurial*')) | |
41 assert len(unpacked_name) == 1, 'Should have precisely one mercurial!' | |
42 os.rename(unpacked_name[0], os.path.join(output_dir, 'mercurial')) | |
43 | |
44 | |
45 def main(argv): | |
46 if len(argv) == 1: | |
47 return 'Usage: %s <output_dir>' % argv[0] | |
48 | |
49 output_dir = argv[1] | |
50 appengine_zip_path = os.path.join(SCRIPT_DIR, 'google-appengine.zip') | |
51 old_appengine_sha1 = utils.ComputeSHA1(appengine_zip_path) | |
52 | |
53 mercurial_tar_path = os.path.join(SCRIPT_DIR, 'mercurial-src.tar.gz') | |
54 old_mercurial_sha1 = utils.ComputeSHA1(mercurial_tar_path) | |
55 | |
56 apprtc_zip_path = os.path.join(SCRIPT_DIR, 'prebuilt_apprtc.zip') | |
57 old_apprtc_sha1 = utils.ComputeSHA1(apprtc_zip_path) | |
58 | |
59 _DownloadResources(SCRIPT_DIR) | |
60 | |
61 if old_appengine_sha1 != utils.ComputeSHA1(appengine_zip_path): | |
62 utils.RemoveDirectory(os.path.join(output_dir, 'google_appengine')) | |
63 utils.UnpackArchiveTo(appengine_zip_path, output_dir) | |
64 | |
65 if old_mercurial_sha1 != utils.ComputeSHA1(mercurial_tar_path): | |
66 utils.RemoveDirectory(os.path.join(output_dir, 'mercurial')) | |
67 utils.UnpackArchiveTo(mercurial_tar_path, output_dir) | |
68 _StripVersionNumberFromMercurialFolder(output_dir) | |
69 | |
70 if old_apprtc_sha1 != utils.ComputeSHA1(apprtc_zip_path): | |
71 utils.RemoveDirectory(os.path.join(output_dir, 'apprtc')) | |
72 utils.UnpackArchiveTo(apprtc_zip_path, output_dir) | |
73 | |
74 if __name__ == '__main__': | |
75 sys.exit(main(sys.argv)) | |
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