| """Backport of Python 3.11's contextlib.chdir.""" | |
| import os | |
| from contextlib import AbstractContextManager | |
| class chdir(AbstractContextManager): # type:ignore[type-arg] | |
| """Non thread-safe context manager to change the current working directory.""" | |
| def __init__(self, path): | |
| """Initialize the manager.""" | |
| self.path = path | |
| self._old_cwd = [] | |
| def __enter__(self): | |
| """Enter the context.""" | |
| self._old_cwd.append(os.getcwd()) | |
| os.chdir(self.path) | |
| def __exit__(self, *excinfo): | |
| """Exit the context.""" | |
| os.chdir(self._old_cwd.pop()) | |