memory

Memory maintains Chain state, incorporating context from past runs.

Class hierarchy for Memory:

BaseMemory --> BaseChatMemory --> <name>Memory  # Examples: ZepMemory, MotorheadMemory

Main helpers:

BaseChatMessageHistory

Chat Message History stores the chat message history in different stores.

Class hierarchy for ChatMessageHistory:

BaseChatMessageHistory --> <name>ChatMessageHistory  # Example: ZepChatMessageHistory

Main helpers:

AIMessage, BaseMessage, HumanMessage

Classes

memory.combined.CombinedMemory	Combining multiple memories' data together.
memory.readonly.ReadOnlySharedMemory	Memory wrapper that is read-only and cannot be changed.
memory.simple.SimpleMemory	Simple memory for storing context or other information that shouldn't ever change between prompts.
memory.vectorstore_token_buffer_memory.ConversationVectorStoreTokenBufferMemory	Conversation chat memory with token limit and vectordb backing.

Functions

memory.utils.get_prompt_input_key(inputs, ...)

Get the prompt input key.

Deprecated classes

memory.buffer.ConversationBufferMemory
memory.buffer.ConversationStringBufferMemory
memory.buffer_window.ConversationBufferWindowMemory
memory.chat_memory.BaseChatMemory
memory.entity.BaseEntityStore
memory.entity.ConversationEntityMemory
memory.entity.InMemoryEntityStore
memory.entity.RedisEntityStore
memory.entity.SQLiteEntityStore
memory.entity.UpstashRedisEntityStore
memory.summary.ConversationSummaryMemory
memory.summary.SummarizerMixin
memory.summary_buffer.ConversationSummaryBufferMemory
memory.token_buffer.ConversationTokenBufferMemory
memory.vectorstore.VectorStoreRetrieverMemory