langchain.memory.chat_message_histories.file.FileChatMessageHistory¶
- class langchain.memory.chat_message_histories.file.FileChatMessageHistory(file_path: str)[source]¶
Bases:
BaseChatMessageHistoryChat message history that stores history in a local file.
- Parameters
file_path – path of the local file to store the messages.
Methods
__init__(file_path)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 the local file
add_user_message(message)Convenience method for adding a human message string to the store.
clear()Clear session memory from the local file
Attributes
Retrieve the messages from the local file
- 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[source]¶
Append the message to the record in the local file
- 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.
- property messages: List[langchain.schema.messages.BaseMessage]¶
Retrieve the messages from the local file