| # Copyright 2023 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """A small library for common arguments when updating files.""" |
| |
| import pathlib |
| |
| from python.runfiles import runfiles |
| |
| |
| def path_from_runfiles(input: str) -> pathlib.Path: |
| """A helper to create a path from runfiles. |
| |
| Args: |
| input: the string input to construct a path. |
| |
| Returns: |
| the pathlib.Path path to a file which is verified to exist. |
| """ |
| path = pathlib.Path(runfiles.Create().Rlocation(input)) |
| if not path.exists(): |
| raise ValueError(f"Path '{path}' does not exist") |
| |
| return path |