Redis Snowflake for Python.

redis_snowflake.py

import redis
import time


def snowflake(redis, epoch=0):
    return redis.register_script(f"""
local node = tonumber(redis.call('HGET', 'globals', 'node')) % 1024
local seq = tonumber(redis.call('HINCRBY', 'globals', 'sequence', 1)) % 4096
local time = redis.call('TIME')
local time41 = ((tonumber(time[1]) * 1000) + (tonumber(time[2]) / 1000)) - {epoch}
return (time41 * (2 ^ 22)) + (node * (2 ^ 12)) + seq
""")()

ds = redis.StrictRedis(host='localhost', port=6379, db=0)
ds.hset('globals', 'node', 0)
epoch = 1507952997821  # service started

for n in range(8):
    print(snowflake(ds, epoch))