gistfile1.py

class Redis(...):
    def __init__(self):
        # dictionary of "installed" scripts to sha's
        self.loaded_scripts = {}

    def load_script(self, name, code):
        "Install a script, giving it a friendly name"
        sha = self.execute_command('SCRIPT', 'LOAD', code)
        # save the friendly name => sha
        self.loaded_scripts[name] = sha

    def execute_script(self, name, *args):
        try:
            sha = self.loaded_scripts[name]
        except KeyError:
            raise Exception("Whoops, no script named: %s loaded" % name)
        # lookup the script's sha by name in the local dictionary then eval
        self.execute_command('EVALSHA', sha, *args)


# Some code that runs at application start time

redis.load_script("my_friendly_name", "MY LUA CODE.......")
redis.load_script("another script", "MORE LUA CODE.........")
...

# code that's run during the life of my application

redis.execute_script("my_friendly_name", arg1, arg2, ...)