LlamaAgents DBOS Runtime
DBOS durable runtime plugin for LlamaIndex Workflows.
Installation
pip install llama-agents-dbos
Usage
import asyncio
from llama_agents.dbos import DBOSRuntime
from dbos import DBOS, DBOSConfig
from workflows import Workflow, step, StartEvent, StopEvent
# Configure DBOS
config: DBOSConfig = {
"name": "my-app",
"system_database_url": "postgresql://...",
}
DBOS(config=config)
# Create runtime and workflow
runtime = DBOSRuntime()
class MyWorkflow(Workflow):
@step
async def my_step(self, ev: StartEvent) -> StopEvent:
return StopEvent(result="done")
workflow = MyWorkflow(runtime=runtime)
# launch_sync() works outside async contexts; use await runtime.launch() inside one
runtime.launch_sync()
async def main():
result = await workflow.run()
asyncio.run(main())
Features
- Durable workflow execution backed by DBOS
- Automatic step recording and replay
- Distributed workers and recovery support
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