Reference library

Caching & Redis

Cache-aside, TTL, invalidation, hot keys, and in-memory lookup patterns at scale.

1 match
Caching & Redis hard

Mock Redis Lua Script Atomic Execution in Python

A MockRedis class that simulates atomic Lua script execution via EVALSHA with a simplified parser for basic commands.

redis lua mock
Python 
import hashlib

class MockRedis:
    def __init__(self):
        self.data = {}
        self.scripts = {}

    def script_load(self, script):
        sha = hashlib.sha1(script.encode()).hexdigest()
        self.scripts[sha] = script
        return sha

    def evalsha(self, sha, keys, args):
        if sha not in self…
16 0 Open

Browse by section

Each section groups closely related Python snippets.

Caching & Redis — Python code examples

What you will find here

This page collects caching & redis snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

Related coding tools

Free online Python IDE Write and run Python in your browser — no install. Free Python code formatter Format with autopep8 — side-by-side PEP 8 cleanup. Python code samples Copy-ready snippets to study and run in the IDE.