Fakes file system modules for automated developer testing.
Pyfakefs is a fake implementation of Python file system modules for automated developer testing.
Pyfakefs was originally developed at Google.
To submit changes to Pyfakefs, follow the instructions at: http://code.google.com/p/pyfakefs
Python 2.4 and up, though fake_filesystem_test.py and, consequently, all_tests.py require python 2.6 and up.