Environment Variables

A reference for constants and environment variables used by DeGirum Tools.

Environment variables supply defaults to scripts and applications built with DeGirum Tools. Storing environment variables in an .env or env.ini file automatically supplies default values.

AI Hub, AI Server, and Model Zoos

Variable	Purpose	Example values
AISERVER_HOSTNAME_OR_IP	Address of an AI Server on your LAN for local inference. Used when dg.LOCAL, @local, or AI Server backends are selected.	localhost, 192.168.0.101
CLOUD_ZOO_URL	Path to a model zoo on AI Hub or your own storage. Defaults to degirum/public if unset.	degirum/degirum, degirum/public
DEGIRUM_CLOUD_TOKEN	API token for accessing AI Hub model zoos. Required when connecting with the dg.CLOUD or @cloud backend.	Access token generated on the AI Hub. Click here for instructions on how to create an access token.
MODEL_ZOO_URL	Path or URL to a model zoo. Overrides the default zoo location if set.	/path/to/local/zoo, https://hub.degirum.com/my_organization/my_zoo

Input Devices

Variable	Purpose	Example values
AUDIO_ID	Microphone index or WAV file path.	0, input.wav
CAMERA_ID	Camera index or video path to capture video streams.	0, rtsp://host/stream

S3 Object Storage

Variable	Purpose	Example values
S3_ACCESS_KEY	Access key for MinIO or other S3 compatible object storage.	minio-access-key
S3_SECRET_KEY	Secret key for object storage services.	minio-secret-key