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Base interface class for storing chat history per user.

BaseChatStore #

Bases: BaseComponent

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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class BaseChatStore(BaseComponent):
    @classmethod
    def class_name(cls) -> str:
        """Get class name."""
        return "BaseChatStore"

    @abstractmethod
    def set_messages(self, key: str, messages: List[ChatMessage]) -> None:
        """Set messages for a key."""
        ...

    @abstractmethod
    def get_messages(self, key: str) -> List[ChatMessage]:
        """Get messages for a key."""
        ...

    @abstractmethod
    def add_message(self, key: str, message: ChatMessage) -> None:
        """Add a message for a key."""
        ...

    @abstractmethod
    def delete_messages(self, key: str) -> Optional[List[ChatMessage]]:
        """Delete messages for a key."""
        ...

    @abstractmethod
    def delete_message(self, key: str, idx: int) -> Optional[ChatMessage]:
        """Delete specific message for a key."""
        ...

    @abstractmethod
    def delete_last_message(self, key: str) -> Optional[ChatMessage]:
        """Delete last message for a key."""
        ...

    @abstractmethod
    def get_keys(self) -> List[str]:
        """Get all keys."""
        ...

class_name classmethod #

class_name() -> str

Get class name.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@classmethod
def class_name(cls) -> str:
    """Get class name."""
    return "BaseChatStore"

set_messages abstractmethod #

set_messages(key: str, messages: List[ChatMessage]) -> None

Set messages for a key.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@abstractmethod
def set_messages(self, key: str, messages: List[ChatMessage]) -> None:
    """Set messages for a key."""
    ...

get_messages abstractmethod #

get_messages(key: str) -> List[ChatMessage]

Get messages for a key.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@abstractmethod
def get_messages(self, key: str) -> List[ChatMessage]:
    """Get messages for a key."""
    ...

add_message abstractmethod #

add_message(key: str, message: ChatMessage) -> None

Add a message for a key.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@abstractmethod
def add_message(self, key: str, message: ChatMessage) -> None:
    """Add a message for a key."""
    ...

delete_messages abstractmethod #

delete_messages(key: str) -> Optional[List[ChatMessage]]

Delete messages for a key.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@abstractmethod
def delete_messages(self, key: str) -> Optional[List[ChatMessage]]:
    """Delete messages for a key."""
    ...

delete_message abstractmethod #

delete_message(key: str, idx: int) -> Optional[ChatMessage]

Delete specific message for a key.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@abstractmethod
def delete_message(self, key: str, idx: int) -> Optional[ChatMessage]:
    """Delete specific message for a key."""
    ...

delete_last_message abstractmethod #

delete_last_message(key: str) -> Optional[ChatMessage]

Delete last message for a key.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@abstractmethod
def delete_last_message(self, key: str) -> Optional[ChatMessage]:
    """Delete last message for a key."""
    ...

get_keys abstractmethod #

get_keys() -> List[str]

Get all keys.

Source code in llama-index-core/llama_index/core/storage/chat_store/base.py 
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@abstractmethod
def get_keys(self) -> List[str]:
    """Get all keys."""
    ...