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path: root/third_party/catapult/devil/devil/utils/__init__.py
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# Copyright 2015 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.

import os
import sys

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)

_CATAPULT_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                             os.path.pardir, os.path.pardir, os.path.pardir)

_AddDirToPythonPath(_CATAPULT_DIR, 'common', 'battor')