old_contents: # 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.
  
  """A library for cross-platform browser tests."""
  import os
  import sys
  
  from telemetry.core import util
  from telemetry.internal.util import global_hooks
  
  
  # Ensure Python >= 2.7.
  if sys.version_info < (2, 7):
    print >> sys.stderr, 'Need Python 2.7 or greater.'
    sys.exit(-1)
  
  
  def _JoinPath(*path_parts):
    return os.path.abspath(os.path.join(*path_parts))
  
  
  def _AddDirToPythonPath(*path_parts):
    path = _JoinPath(*path_parts)
    if os.path.isdir(path) and path not in sys.path:
      # Some call sites that use Telemetry assume that sys.path[0] is the
      # directory containing the script, so we add these extra paths to right
      # after sys.path[0].
      sys.path.insert(1, path)
  
  
  # Add Catapult dependencies to our path.
  _AddDirToPythonPath(util.GetCatapultDir(), 'catapult_base')
  _AddDirToPythonPath(util.GetCatapultDir(), 'dependency_manager')
  _AddDirToPythonPath(util.GetCatapultDir(), 'devil')
  _AddDirToPythonPath(util.GetCatapultDir(), 'tracing')
  
  # Add Telemetry third party dependencies into our path.
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'altgraph')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'mock')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'modulegraph')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'mox3')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'pexpect')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'png')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'pyfakefs')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'pyserial')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'typ')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'webpagereplay')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'websocket-client')
  
  # Install Telemtry global hooks.
  global_hooks.InstallHooks()
  
new_contents: # 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.
  
  """A library for cross-platform browser tests."""
  import os
  import sys
  
  
  # Ensure Python >= 2.7.
  if sys.version_info < (2, 7):
    print >> sys.stderr, 'Need Python 2.7 or greater.'
    sys.exit(-1)
  
  
  def _JoinPath(*path_parts):
    return os.path.abspath(os.path.join(*path_parts))
  
  
  def _AddDirToPythonPath(*path_parts):
    path = _JoinPath(*path_parts)
    if os.path.isdir(path) and path not in sys.path:
      # Some call sites that use Telemetry assume that sys.path[0] is the
      # directory containing the script, so we add these extra paths to right
      # after sys.path[0].
      sys.path.insert(1, path)
  
  
  # Add Catapult dependencies to our path.
  # util depends on catapult_base, so we can't use it to get the catapult dir.
  _CATAPULT_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               '..', '..', '..', 'third_party', 'catapult')
  _AddDirToPythonPath(_CATAPULT_DIR, 'catapult_base')
  _AddDirToPythonPath(_CATAPULT_DIR, 'dependency_manager')
  _AddDirToPythonPath(_CATAPULT_DIR, 'devil')
  _AddDirToPythonPath(_CATAPULT_DIR, 'tracing')
  
  
  from telemetry.core import util
  from telemetry.internal.util import global_hooks
  
  
  # Add Telemetry third party dependencies into our path.
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'altgraph')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'mock')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'modulegraph')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'mox3')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'pexpect')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'png')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'pyfakefs')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'pyserial')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'typ')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'webpagereplay')
  _AddDirToPythonPath(util.GetTelemetryThirdPartyDir(), 'websocket-client')
  
  # Install Telemtry global hooks.
  global_hooks.InstallHooks()
  
subject: Fix telemetry __init__ to add the catapult path correctly.