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1"""Backport of Python 3.11's contextlib.chdir."""
3import os
4from contextlib import AbstractContextManager
7class chdir(AbstractContextManager): # type:ignore[type-arg]
8 """Non thread-safe context manager to change the current working directory."""
10 def __init__(self, path):
11 """Initialize the manager."""
12 self.path = path
13 self._old_cwd = []
15 def __enter__(self):
16 """Enter the context."""
17 self._old_cwd.append(os.getcwd())
18 os.chdir(self.path)
20 def __exit__(self, *excinfo):
21 """Exit the context."""
22 os.chdir(self._old_cwd.pop())