InMemoryEntityStore

class langchain.memory.entity.InMemoryEntityStore

Bases: BaseEntityStore

In-memory Entity store.

Create a new model by parsing and validating input data from keyword arguments.

Raises ValidationError if the input data cannot be parsed to form a valid model.

param store: Dict[str, str | None] = {}

clear() → None

Delete all entities from store.

Return type:

None

delete(key: str) → None

Delete entity value from store.

Parameters:

key (str) –

Return type:

None

exists(key: str) → bool

Check if entity exists in store.

Parameters:

key (str) –

Return type:

bool

get(key: str, default: str | None = None) → str | None

Get entity value from store.

Parameters:

• key (str) –

• default (str | None) –

Return type:

str | None

set(key: str, value: str | None) → None

Set entity value in store.

Parameters:

• key (str) –

• value (str | None) –

Return type:

None