langchain.memory.chat_message_histories.upstash_redis.UpstashRedisChatMessageHistory

class langchain.memory.chat_message_histories.upstash_redis.UpstashRedisChatMessageHistory(session_id: str, url: str = '', token: str = '', key_prefix: str = 'message_store:', ttl: Optional[int] = None)

Chat message history stored in an Upstash Redis database.

Attributes

key	Construct the record key to use
messages	Retrieve the messages from Upstash Redis

Methods

__init__(session_id[, url, token, ...])
add_ai_message(message)	Convenience method for adding an AI message string to the store.
add_message(message)	Append the message to the record in Upstash Redis
add_user_message(message)	Convenience method for adding a human message string to the store.
clear()	Clear session memory from Upstash Redis

__init__(session_id: str, url: str = '', token: str = '', key_prefix: str = 'message_store:', ttl: Optional[int] = None)

add_ai_message(message: str) → None

Convenience method for adding an AI message string to the store.

Parameters

message – The string contents of an AI message.

add_message(message: BaseMessage) → None

Append the message to the record in Upstash Redis

add_user_message(message: str) → None

Convenience method for adding a human message string to the store.

Parameters

message – The string contents of a human message.

clear() → None

Clear session memory from Upstash Redis