revert: revert human input relevant code (#31766)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/extensions/ext_redis.py

@@ -8,16 +8,12 @@ from typing import TYPE_CHECKING, Any, ParamSpec, TypeVar, Union
 import redis
 from redis import RedisError
 from redis.cache import CacheConfig
-from redis.client import PubSub
 from redis.cluster import ClusterNode, RedisCluster
 from redis.connection import Connection, SSLConnection
 from redis.sentinel import Sentinel
 
 from configs import dify_config
 from dify_app import DifyApp
-from libs.broadcast_channel.channel import BroadcastChannel as BroadcastChannelProtocol
-from libs.broadcast_channel.redis.channel import BroadcastChannel as RedisBroadcastChannel
-from libs.broadcast_channel.redis.sharded_channel import ShardedRedisBroadcastChannel
 
 if TYPE_CHECKING:
     from redis.lock import Lock
@@ -110,7 +106,6 @@ class RedisClientWrapper:
         def zremrangebyscore(self, name: str | bytes, min: float | str, max: float | str) -> Any: ...
         def zcard(self, name: str | bytes) -> Any: ...
         def getdel(self, name: str | bytes) -> Any: ...
-        def pubsub(self) -> PubSub: ...
 
     def __getattr__(self, item: str) -> Any:
         if self._client is None:
@@ -119,7 +114,6 @@ class RedisClientWrapper:
 
 
 redis_client: RedisClientWrapper = RedisClientWrapper()
-pubsub_redis_client: RedisClientWrapper = RedisClientWrapper()
 
 
 def _get_ssl_configuration() -> tuple[type[Union[Connection, SSLConnection]], dict[str, Any]]:
@@ -232,12 +226,6 @@ def _create_standalone_client(redis_params: dict[str, Any]) -> Union[redis.Redis
     return client
 
 
-def _create_pubsub_client(pubsub_url: str, use_clusters: bool) -> Union[redis.Redis, RedisCluster]:
-    if use_clusters:
-        return RedisCluster.from_url(pubsub_url)
-    return redis.Redis.from_url(pubsub_url)
-
-
 def init_app(app: DifyApp):
     """Initialize Redis client and attach it to the app."""
     global redis_client
@@ -256,24 +244,6 @@ def init_app(app: DifyApp):
     redis_client.initialize(client)
     app.extensions["redis"] = redis_client
 
-    pubsub_client = client
-    if dify_config.normalized_pubsub_redis_url:
-        pubsub_client = _create_pubsub_client(
-            dify_config.normalized_pubsub_redis_url, dify_config.PUBSUB_REDIS_USE_CLUSTERS
-        )
-    pubsub_redis_client.initialize(pubsub_client)
-
-
-def get_pubsub_redis_client() -> RedisClientWrapper:
-    return pubsub_redis_client
-
-
-def get_pubsub_broadcast_channel() -> BroadcastChannelProtocol:
-    redis_conn = get_pubsub_redis_client()
-    if dify_config.PUBSUB_REDIS_CHANNEL_TYPE == "sharded":
-        return ShardedRedisBroadcastChannel(redis_conn)  # pyright: ignore[reportArgumentType]
-    return RedisBroadcastChannel(redis_conn)  # pyright: ignore[reportArgumentType]
-
 
 P = ParamSpec("P")
 R = TypeVar("R")