pickleDB is a fast, easy to use, in-memory Python key-value store with first class asynchronous support. It is built with the orjson module for extremely high performance. It is licensed under the BSD three-clause license. Check out the website for installation instructions, API docs, advanced examples, benchmarks, and more.

from pickledb import PickleDB

db = PickleDB("example.json").load()
db.set("key", "value")

db.get("key")  # return "value"