cocopp.toolsdivers.Infolder

Contextmanager to do some work in a folder of choice and change dir back in the end.

Usage:

>>> import os
>>> import cocopp.toolsdivers
>>> dir_ = os.getcwd()  # for the record
>>> with cocopp.toolsdivers.Infolder('..'):
...     # do some work in a folder here, e.g. open a file
...     len(dir_) > len(os.getcwd()) and os.getcwd() in dir_
True
>>> # magically we are back in the original folder
>>> assert dir_ == os.getcwd()