path.py revision 5f1c94371a64b3196d4be9466099bb892df9b88e 
1# Copyright 2014 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import os
6
7from telemetry.core import util
8
9
10# TODO(dtu): Move these functions from core.util to here.
11GetBaseDir = util.GetBaseDir
12GetTelemetryDir = util.GetTelemetryDir
13GetUnittestDataDir = util.GetUnittestDataDir
14GetChromiumSrcDir = util.GetChromiumSrcDir
15AddDirToPythonPath = util.AddDirToPythonPath
16GetBuildDirectories = util.GetBuildDirectories
17
18
19def IsExecutable(path):
20  return os.path.isfile(path) and os.access(path, os.X_OK)
21
22
23def FindInstalledWindowsApplication(application_path):
24  """Search common Windows installation directories for an application.
25
26  Args:
27    application_path: Path to application relative from installation location.
28  Returns:
29    A string representing the full path, or None if not found.
30  """
31  search_paths = [os.getenv('PROGRAMFILES(X86)'),
32                  os.getenv('PROGRAMFILES'),
33                  os.getenv('LOCALAPPDATA')]
34  search_paths += os.getenv('PATH', '').split(os.pathsep)
35
36  for search_path in search_paths:
37    if not search_path:
38      continue
39    path = os.path.join(search_path, application_path)
40    if IsExecutable(path):
41      return path
42
43  return None
44