camunda-client 0.4.9

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camunda-client

This package includes clients such as CamundaEngineClient and ExternalTaskClient

In addition, there is an ExternalTaskWorker for working with ExternalTask

Installing

pip

pip install camunda-client

pdm

pdm add camunda-client

ExternalTask functional usage

Source code in examples/external_task

from camunda_client.worker import ExternalTaskWorker

from .enums import WorkerEnum


async def subscribe(
    topic: str,
    task_worker: ExternalTaskWorker,
) -> None:
    mapping = WorkerEnum.workers()
    async with task_worker.subscribe(topic) as task_contexts:
        async for task_context in task_contexts:
            async with task_context as task_dto:
                worker_cls = mapping[task_dto.topic_name]

                # Resolve the dependency on the DI container.
                # This initialization is provided as an example.
                worker = worker_cls()
                result = await worker.execute(task_dto)

                if result.is_success is False:
                    print(f"Task with id {task_dto.id} was failed")
                    await task_context.fail(error_message=result.message)
                else:
                    print(f"Task with id {task_dto.id} was completed")
                    await task_context.complete()