Move webrtc/{tools => rtc_tools}

webrtc/tools/testing/utils.py

-#!/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.
-
-"""Utilities for all our deps-management stuff."""
-
-import os
-import shutil
-import sys
-import subprocess
-import tarfile
-import time
-import zipfile
-
-
-def RunSubprocessWithRetry(cmd):
-  """Invokes the subprocess and backs off exponentially on fail."""
-  for i in range(5):
-    try:
-      subprocess.check_call(cmd)
-      return
-    except subprocess.CalledProcessError as exception:
-      backoff = pow(2, i)
-      print 'Got %s, retrying in %d seconds...' % (exception, backoff)
-      time.sleep(backoff)
-
-  print 'Giving up.'
-  raise exception
-
-
-def DownloadFilesFromGoogleStorage(path, auto_platform=True):
-  print 'Downloading files in %s...' % path
-
-  extension = 'bat' if 'win32' in sys.platform else 'py'
-  cmd = ['download_from_google_storage.%s' % extension,
-         '--bucket=chromium-webrtc-resources',
-         '--directory', path]
-  if auto_platform:
-    cmd += ['--auto_platform', '--recursive']
-  subprocess.check_call(cmd)
-
-
-# Code partially copied from
-# https://cs.chromium.org#chromium/build/scripts/common/chromium_utils.py
-def RemoveDirectory(*path):
-  """Recursively removes a directory, even if it's marked read-only.
-
-  Remove the directory located at *path, if it exists.
-
-  shutil.rmtree() doesn't work on Windows if any of the files or directories
-  are read-only, which svn repositories and some .svn files are.  We need to
-  be able to force the files to be writable (i.e., deletable) as we traverse
-  the tree.
-
-  Even with all this, Windows still sometimes fails to delete a file, citing
-  a permission error (maybe something to do with antivirus scans or disk
-  indexing).  The best suggestion any of the user forums had was to wait a
-  bit and try again, so we do that too.  It's hand-waving, but sometimes it
-  works. :/
-  """
-  file_path = os.path.join(*path)
-  print 'Deleting `{}`.'.format(file_path)
-  if not os.path.exists(file_path):
-    print '`{}` does not exist.'.format(file_path)
-    return
-
-  if sys.platform == 'win32':
-    # Give up and use cmd.exe's rd command.
-    file_path = os.path.normcase(file_path)
-    for _ in xrange(3):
-      print 'RemoveDirectory running %s' % (' '.join(
-          ['cmd.exe', '/c', 'rd', '/q', '/s', file_path]))
-      if not subprocess.call(['cmd.exe', '/c', 'rd', '/q', '/s', file_path]):
-        break
-      print '  Failed'
-      time.sleep(3)
-    return
-  else:
-    shutil.rmtree(file_path, ignore_errors=True)
-
-
-def UnpackArchiveTo(archive_path, output_dir):
-  extension = os.path.splitext(archive_path)[1]
-  if extension == '.zip':
-    _UnzipArchiveTo(archive_path, output_dir)
-  else:
-    _UntarArchiveTo(archive_path, output_dir)
-
-
-def _UnzipArchiveTo(archive_path, output_dir):
-  print 'Unzipping {} in {}.'.format(archive_path, output_dir)
-  zip_file = zipfile.ZipFile(archive_path)
-  try:
-    zip_file.extractall(output_dir)
-  finally:
-    zip_file.close()
-
-
-def _UntarArchiveTo(archive_path, output_dir):
-  print 'Untarring {} in {}.'.format(archive_path, output_dir)
-  tar_file = tarfile.open(archive_path, 'r:gz')
-  try:
-    tar_file.extractall(output_dir)
-  finally:
-    tar_file.close()
-
-
-def GetPlatform():
-  if sys.platform.startswith('win'):
-    return 'win'
-  if sys.platform.startswith('linux'):
-    return 'linux'
-  if sys.platform.startswith('darwin'):
-    return 'mac'
-  raise Exception("Can't run on platform %s." % sys.platform)