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Welcome to Dagster

Dagster is a data orchestrator built for data engineers, with integrated lineage, observability, a declarative programming model and best-in-class testability.

import dagster as dg


@dg.asset
def hello(context: dg.AssetExecutionContext):
context.log.info("Hello!")


@dg.asset(deps=[hello])
def world(context: dg.AssetExecutionContext):
context.log.info("World!")


defs = dg.Definitions(assets=[hello, world])
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