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@nottrobin
Created January 26, 2016 01:42
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Change directory / working directory context processor for python
import os
from contextlib import contextmanager
@contextmanager
def working_directory(path):
"""
A context manager which changes the working directory to the given
path, and then changes it back to its previous value on exit.
Usage:
> # Do something in original directory
> with working_directory('/my/new/path'):
> # Do something in new directory
> # Back to old directory
"""
prev_cwd = os.getcwd()
os.chdir(path)
try:
yield
finally:
os.chdir(prev_cwd)
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