Files
hatchet/examples/python/retries/worker.py
Gabe Ruttner 8e80faf2d6 Fe overhaul docs (#1640)
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2025-04-30 14:10:09 -07:00

53 lines
1.3 KiB
Python

from hatchet_sdk import Context, EmptyModel, Hatchet
hatchet = Hatchet(debug=True)
simple_workflow = hatchet.workflow(name="SimpleRetryWorkflow")
backoff_workflow = hatchet.workflow(name="BackoffWorkflow")
# > Simple Step Retries
@simple_workflow.task(retries=3)
def always_fail(input: EmptyModel, ctx: Context) -> dict[str, str]:
raise Exception("simple task failed")
# > Retries with Count
@simple_workflow.task(retries=3)
def fail_twice(input: EmptyModel, ctx: Context) -> dict[str, str]:
if ctx.retry_count < 2:
raise Exception("simple task failed")
return {"status": "success"}
# > Retries with Backoff
@backoff_workflow.task(
retries=10,
# 👀 Maximum number of seconds to wait between retries
backoff_max_seconds=10,
# 👀 Factor to increase the wait time between retries.
# This sequence will be 2s, 4s, 8s, 10s, 10s, 10s... due to the maxSeconds limit
backoff_factor=2.0,
)
def backoff_task(input: EmptyModel, ctx: Context) -> dict[str, str]:
if ctx.retry_count < 3:
raise Exception("backoff task failed")
return {"status": "success"}
def main() -> None:
worker = hatchet.worker("backoff-worker", slots=4, workflows=[backoff_workflow])
worker.start()
if __name__ == "__main__":
main()