An integration package connecting Astra DB and LangChain
Project description
langchain-astradb
This package contains the LangChain integrations for using DataStax Astra DB.
DataStax Astra DB is a serverless vector-capable database built on Apache Cassandra® and made conveniently available through an easy-to-use JSON API.
Installation and Setup
Installation of this partner package:
pip install langchain-astradb
Integrations overview
See the LangChain docs page and the API reference for more details.
Vector Store
from langchain_astradb import AstraDBVectorStore
my_store = AstraDBVectorStore(
embedding=my_embedding,
collection_name="my_store",
api_endpoint="https://...",
token="AstraCS:...",
)
Chat message history
from langchain_astradb import AstraDBChatMessageHistory
message_history = AstraDBChatMessageHistory(
session_id="test-session",
api_endpoint="https://...",
token="AstraCS:...",
)
LLM Cache
from langchain_astradb import AstraDBCache
cache = AstraDBCache(
api_endpoint="https://...",
token="AstraCS:...",
)
Semantic LLM Cache
from langchain_astradb import AstraDBSemanticCache
cache = AstraDBSemanticCache(
embedding=my_embedding,
api_endpoint="https://...",
token="AstraCS:...",
)
Document loader
from langchain_astradb import AstraDBLoader
loader = AstraDBLoader(
collection_name="my_collection",
api_endpoint="https://...",
token="AstraCS:...",
)
Store
from langchain_astradb import AstraDBStore
store = AstraDBStore(
collection_name="my_kv_store",
api_endpoint="https://...",
token="AstraCS:...",
)
Byte Store
from langchain_astradb import AstraDBByteStore
store = AstraDBByteStore(
collection_name="my_kv_store",
api_endpoint="https://...",
token="AstraCS:...",
)
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