Coverage for sources/emcdproj/filesystem.py: 100%

1# vim: set filetype=python fileencoding=utf-8: 

2# -*- coding: utf-8 -*- 

3 

4#============================================================================# 

5# # 

6# Licensed under the Apache License, Version 2.0 (the "License"); # 

7# you may not use this file except in compliance with the License. # 

8# You may obtain a copy of the License at # 

9# # 

10# http://www.apache.org/licenses/LICENSE-2.0 # 

11# # 

12# Unless required by applicable law or agreed to in writing, software # 

13# distributed under the License is distributed on an "AS IS" BASIS, # 

14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # 

15# See the License for the specific language governing permissions and # 

16# limitations under the License. # 

17# # 

18#============================================================================# 

19 

20 

21''' Filesystem operations and utilities. ''' 

22 

23 

24from __future__ import annotations 

25 

26from . import __ 

27 

28 

29@__.ctxl.contextmanager 

30def chdir( directory: __.Path ) -> __.cabc.Iterator[ __.Path ]: 

31 ''' Temporarily changes working directory. 

32 

33 Not thread-safe or async-safe. 

34 ''' 

35 # TODO: Python 3.11: contextlib.chdir 

36 original = __.os.getcwd( ) 

37 __.os.chdir( directory ) 

38 try: yield directory 

39 finally: __.os.chdir( original )