Files

66 lines
2.8 KiB
Python

#!/usr/bin/env python3
"""Set a goal and observe automatic rounds through the final model reply."""
from __future__ import annotations
import argparse
import math
import os
from pathlib import Path
from concurrent.futures import ThreadPoolExecutor, TimeoutError as FutureTimeoutError
from deepseek_harness import DeepSeekHarness, Notification
from deepseek_harness.api import final_response
def display(notification: Notification) -> dict | None:
"""Print durable assistant output and return the observed root Session event."""
if notification.method != "session.event":
return None
event = notification.payload["event"]
if event["type"] == "assistant/message":
text = final_response([event])
if text:
print(text, flush=True)
elif event["type"] == "goal/change":
print(f"Goal: {event['data']['operation']}", flush=True)
elif event["type"] == "turn/end" and event["data"]["reason"]["kind"] != "completed":
raise RuntimeError(f"Goal activity ended: {event['data']['reason']}")
return event
def main() -> None:
"""Observe goal state before waiting for the final activity interval."""
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--dsh-home", required=True, type=Path)
parser.add_argument("--workspace", type=Path, default=Path.cwd())
parser.add_argument("--model", default=os.environ.get("DSH_MODEL", "deepseek-v4-flash"))
parser.add_argument("--timeout-seconds", type=float, default=300)
parser.add_argument("objective", help="Objective for the native /goal command")
args = parser.parse_args()
if not args.objective.strip() or not math.isfinite(args.timeout_seconds) or args.timeout_seconds <= 0:
parser.error("objective must be non-blank and timeout-seconds must be finite and positive")
with DeepSeekHarness(
dsh_home=str(args.dsh_home.resolve()), cwd=str(args.workspace.resolve()),
profile="sdk", model=args.model, env={"DSH_PERMISSION_MODE": "workspace-write"},
) as harness:
session = harness.start_session()
with ThreadPoolExecutor(max_workers=1) as worker:
running = worker.submit(
session.run, f"/goal {args.objective}",
on_notification=lambda notice: display(notice) if notice.payload.get("sessionId") == session.id else None,
)
try:
result = running.result(timeout=args.timeout_seconds)
except FutureTimeoutError as error:
raise TimeoutError("Goal observation timed out") from error
finally:
if not running.done():
harness.close()
if result.finish_reason != "completed":
raise RuntimeError(f"Goal activity ended with {result.finish_reason}: {result.final_response}")
if __name__ == "__main__":
main()