If you’re new to Unstructured, read this note first.Before you can create a source connector, you must first sign in to your Unstructured account:After you sign in, the Unstructured user interface (UI) appears, which you use to get your Unstructured API key, as follows:
  1. After you sign in to your Unstructured Starter account, click API Keys on the sidebar.
     For a Team or Enterprise account, before you click API Keys, make sure you have selected the organizational workspace you want to create an API key for. Each API key works with one and only one organizational workspace. Learn more.
  2. Click Generate API Key.
  3. Follow the on-screen instructions to finish generating the key.
  4. Click the Copy icon next to your new key to add the key to your system’s clipboard. If you lose this key, simply return and click the Copy icon again.
After you create the source connector, add it along with a destination connector to a workflow. Then run the worklow as a job. To learn how, try out the hands-on Workflow Endpoint quickstart, go directly to the quickstart notebook, or watch the two 4-minute video tutorials for the Unstructured Python SDK.You can also create source connectors with the Unstructured user interface (UI). Learn how.If you need help, email Unstructured Support at support@unstructured.io.You are now ready to start creating a source connector! Keep reading to learn how.
Ingest your files into Unstructured from Couchbase. The requirements are as follows. For Couchbase Capella, you will need: For a local Couchbase server, you will need: To learn more about how to set up a Couchbase cluster and play with data, refer to this tutorial. To create a Couchbase source connector, see the following examples. 
import os

from unstructured_client import UnstructuredClient
from unstructured_client.models.operations import CreateSourceRequest
from unstructured_client.models.shared import CreateSourceConnector

with UnstructuredClient(api_key_auth=os.getenv("UNSTRUCTURED_API_KEY")) as client:
    response = client.sources.create_source(
        request=CreateSourceRequest(
            create_source_connector=CreateSourceConnector(
                name="<name>",
                type="couchbase",
                config={
                    "username": "<username>",
                    "bucket": "<bucket>",
                    "connection_string": "<connection-string>",
                    "scope": "<scope>",
                    "collection": "<collection>",
                    "password": "<password>",
                    "batch_size": <batch-size>,
                    "collection_id": "<collection-id>"
                }
            )
        )
    )

    print(response.source_connector_information)
Replace the preceding placeholders as follows:
  • <name> (required) - A unique name for this connector.
  • <username> (required) - The username for the Couchbase server.
  • <bucket> (required) - The name of the bucket in the Couchbase server.
  • <connection-string> (required) - The connection string for the Couchbase server.
  • <scope> - The name of the scope in the bucket. The default is _default if not otherwise specified.
  • <collection> - The name of the collection in the scope. The default is _default if not otherwise specified.
  • <password> (required) - The password for the Couchbase server.
  • <batch-size> - The maximum number of records to transmit per batch. The default is 50 if not otherwise specified.
  • <collection-id> (source connector only) - The name of the collection field that contains the document ID. The default is id if not otherwise specified.

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