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# langchain-couchbase
This package contains the LangChain integration with Couchbase
## Installation
```bash
pip install -U langchain-couchbase
```
## Usage
The `CouchbaseVectorStore` class exposes the connection to the Couchbase vector store.
```python
from langchain_couchbase.vectorstores import CouchbaseVectorStore
from couchbase.cluster import Cluster
from couchbase.auth import PasswordAuthenticator
from couchbase.options import ClusterOptions
from datetime import timedelta
auth = PasswordAuthenticator(username, password)
options = ClusterOptions(auth)
connect_string = "couchbases://localhost"
cluster = Cluster(connect_string, options)
# Wait until the cluster is ready for use.
cluster.wait_until_ready(timedelta(seconds=5))
embeddings = OpenAIEmbeddings()
vectorstore = CouchbaseVectorStore(
cluster=cluster,
bucket_name="",
scope_name="",
collection_name="",
embedding=embeddings,
index_name="vector-search-index",
)
```
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