B d@s$dZddlZGdddejdZdS)z%Abstraction for data ingestion logic.Nc@s0eZdZdZeejddZejddZdS) DataIngesterzLink between a data source and a data provider. A data ingester starts a reload operation in the background and provides a data provider as a view. cCsdS)zlReturns a `DataProvider`. It may be an error to dereference this before `start` is called. N)selfrrK/var/www/html/venv/lib/python3.7/site-packages/tensorboard/data/ingester.py data_providerszDataIngester.data_providercCsdS)zStarts ingesting data. This may start a background thread or process, and will return once communication with that task is established. It won't block forever as data is reloaded. Must only be called once. Nr)rrrrstart$s zDataIngester.startN) __name__ __module__ __qualname____doc__propertyabcabstractmethodrrrrrrrsr) metaclass)r r ABCMetarrrrrs