1.16.0 — Redis Cache Adapter

Adds a Redis-backed cache for distributed deployments:

• New adapter: rbacx.core.redis_cache.RedisCache implementing AbstractCache
• Designed for multi-process / multi-host setups where in-memory cache is not shared
• Available via extra: rbacx[cache-redis]

Usage:

import redis
from rbacx import Guard
from rbacx.core.redis_cache import RedisCache

guard = Guard(
    policy,
    cache=RedisCache(redis.Redis(), prefix="rbacx:", default_ttl=300),
)

Key properties:

• JSON serialization (no pickle)

• TTL precedence: explicit ttl → default_ttl → no expiry

• clear() uses SCAN with prefix glob (never FLUSHDB)

• Redis errors are swallowed and logged at DEBUG level:

  • treated as cache miss
  • never impact authorization decisions

• Compatible with:

  • redis.Redis
  • redis.cluster.RedisCluster
  • any compatible client interface

No breaking changes

Upgrade

pip install -U "rbacx[cache-redis]"