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community[patch]: Add missing async_astra_db_client param to AstraDBChatMessageHistory (#17742)

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Christophe Bornet 2024-02-22 01:46:42 +01:00 committed by GitHub
parent c524bf31f5
commit 3d91be94b1
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1 changed files with 24 additions and 16 deletions
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40
libs/community/langchain_community/chat_message_histories/astradb.py
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@ -11,7 +11,7 @@ from langchain_community.utilities.astradb import (
)
if TYPE_CHECKING:
from astrapy.db import AstraDB
from astrapy.db import AstraDB, AsyncAstraDB
from langchain_core.chat_history import BaseChatMessageHistory
from langchain_core.messages import (
@ -24,21 +24,6 @@ DEFAULT_COLLECTION_NAME = "langchain_message_store"
class AstraDBChatMessageHistory(BaseChatMessageHistory):
"""Chat message history that stores history in Astra DB.
Args:
session_id: arbitrary key that is used to store the messages
of a single chat session.
collection_name: name of the Astra DB collection to create/use.
token: API token for Astra DB usage.
api_endpoint: full URL to the API endpoint,
such as "https://<DB-ID>-us-east1.apps.astra.datastax.com".
astra_db_client: *alternative to token+api_endpoint*,
you can pass an already-created 'astrapy.db.AstraDB' instance.
namespace: namespace (aka keyspace) where the
collection is created. Defaults to the database's "default namespace".
"""
def __init__(
self,
*,
@ -47,15 +32,38 @@ class AstraDBChatMessageHistory(BaseChatMessageHistory):
token: Optional[str] = None,
api_endpoint: Optional[str] = None,
astra_db_client: Optional[AstraDB] = None,
async_astra_db_client: Optional[AsyncAstraDB] = None,
namespace: Optional[str] = None,
setup_mode: SetupMode = SetupMode.SYNC,
pre_delete_collection: bool = False,
) -> None:
"""Chat message history that stores history in Astra DB.
Args:
session_id: arbitrary key that is used to store the messages
of a single chat session.
collection_name: name of the Astra DB collection to create/use.
token: API token for Astra DB usage.
api_endpoint: full URL to the API endpoint,
such as "https://<DB-ID>-us-east1.apps.astra.datastax.com".
astra_db_client: *alternative to token+api_endpoint*,
you can pass an already-created 'astrapy.db.AstraDB' instance.
async_astra_db_client: *alternative to token+api_endpoint*,
you can pass an already-created 'astrapy.db.AsyncAstraDB' instance.
namespace: namespace (aka keyspace) where the
collection is created. Defaults to the database's "default namespace".
setup_mode: mode used to create the Astra DB collection (SYNC, ASYNC or
OFF).
pre_delete_collection: whether to delete the collection
before creating it. If False and the collection already exists,
the collection will be used as is.
"""
self.astra_env = _AstraDBCollectionEnvironment(
collection_name=collection_name,
token=token,
api_endpoint=api_endpoint,
astra_db_client=astra_db_client,
async_astra_db_client=async_astra_db_client,
namespace=namespace,
setup_mode=setup_mode,
pre_delete_collection=pre_delete_collection,