| # 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. |
| |
| """Utility functions for resolving file paths in histograms scripts.""" |
| |
| import os.path |
| |
| |
| def GetHistogramsFile(): |
| """Returns the path to histograms.xml. |
| |
| Prefer using this function instead of just open("histograms.xml"), so that |
| scripts work properly even if run from outside the histograms directory. |
| """ |
| return GetInputFile('tools/metrics/histograms/histograms.xml') |
| |
| |
| def GetInputFile(src_relative_file_path): |
| """Converts a src/-relative file path into a path that can be opened.""" |
| depth = [os.path.dirname(__file__), '..', '..', '..'] |
| path = os.path.join(*(depth + src_relative_file_path.split('/'))) |
| return os.path.abspath(path) |
