Advanced Python Programming

Joblib

A simple library that, among other things, provides a simple on-disk cache is joblib. The package can be used in a similar way as lru_cache, except that the results will be stored on disk and will persist between runs.

The joblib module can be installed from PyPI using the pip install joblib command.

The joblib module provides the Memory class that can be used to memoize functions using the Memory.cache decorator:

    from joblib import Memory    memory = Memory(cachedir='/path/to/cachedir')    @memory.cache    def sum2(a, b):        return a + b

The function will behave similar to lru_cache, with the exception that the results will be stored on-disk in the directory specified by the cachedir argument during Memory initialization. Additionally, the cached ...