Python file cache decorator

A simple decorator that caches function return values to memory and to files, so that they are fast preserved between runs.

@cache_to_file
def myfun(a, b):
    return a + b

print(myfun(8, 5))
print(myfun(8, 5))

There are various options, but no documentation yet.

Usage & contributions

Revised BSD License; at your own risk, you can mostly do whatever you want with this code, just don't use my name for promotion and do keep the license file.