1
2009-10-15
Snippet: chdir context manager
This context manager restores the value of the current working
directory (cwd) after the enclosed code block completes or raises an
exception. If a directory name is supplied to the context manager then
the cwd is changed prior to running the code block.
from __future__ import with_statement # only for python 2.5
import contextlib
import os
@contextlib.contextmanager
def chdir(dirname=None):
curdir = os.getcwd()
try:
if dirname ...
