mirror of
https://github.com/Instagram/LibCST.git
synced 2025-12-23 10:35:53 +00:00
c876db6d2d
Caches file path information on the root `Module` node.
Resolves paths when caching, so they are always absolute paths.
Adds a new `chdir` helper to change working directory and automatically
revert to previous directory, which makes testing file paths with the
`"."` repo root easier.
ghstack-source-id: 3413905fc1
Pull Request resolved: https://github.com/Instagram/LibCST/pull/892
25 lines
635 B
Python
25 lines
635 B
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
#
|
|
# This source code is licensed under the MIT license found in the
|
|
# LICENSE file in the root directory of this source tree.
|
|
|
|
import os
|
|
from contextlib import contextmanager
|
|
from pathlib import Path
|
|
from typing import Generator
|
|
|
|
from libcst._types import StrPath
|
|
|
|
|
|
@contextmanager
|
|
def chdir(path: StrPath) -> Generator[Path, None, None]:
|
|
"""
|
|
Temporarily chdir to the given path, and then return to the previous path.
|
|
"""
|
|
try:
|
|
path = Path(path).resolve()
|
|
cwd = os.getcwd()
|
|
os.chdir(path)
|
|
yield path
|
|
finally:
|
|
os.chdir(cwd)
|