Download a file

This recipe downloads a file from a Unity Catalog volume using the Databricks SDK for Python.

Code snippet

app.py

from databricks.sdk import WorkspaceClient

w = WorkspaceClient()

download_file_path = "/Volumes/catalog/schema/volume_name/file.csv"
response = w.files.download(download_file_path)
file_data = response.contents.read()
file_name = os.path.basename(download_file_path)

Resources

• Unity Catalog volume

Permissions

Your app service principal needs the following permissions:

• USE CATALOG on the volume's catalog
• USE SCHEMA on the volume's schema
• READ VOLUME on the volume

See Privileges required for volume operations for more information.

Dependencies

• Databricks SDK for Python - databricks-sdk
• Dash - dash

requirements.txt

databricks-sdk
dash