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small gleam coding and (not yet) persistent agent daemon with a detachable cli forked from okami.mom/albedo
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109"""A Python crash injects exactly one reset notice without corrupting history; adaemon crash leaves a kernel with live work alive, so its next cell is told thekernel reattached and the work carried on."""
import jsonimport urllib.errorimport unittest
from harness import ( Albedo, Provider, exclusive, is_note, prompt_text, python, text, turn_notes,)
NOTICE = ( "<system-note>The python kernel got reset and all variables are lost</system-note>")REATTACHED = ( "<system-note>The python kernel reattached; its variables and jobs carried on")
# exclusive: crashes and restarts the daemon@exclusiveclass KernelResetTests(unittest.TestCase): def setUp(self): cells = { # A live job holds the kernel through the crash, as a user's would. "first prompt": "job = run('sleep', '60')\nanswer = 7", "after restart": "print(answer, job.exit_code)", "lose kernel": "await job.stop()\nimport os; os._exit(1)", "recover kernel": "print('kernel-ready')", }
def script(request): last = request["input"][-1] if last.get("role") == "user" and not is_note(last): code = cells.get(prompt_text(request)) if code is not None: return python(code) return text("ok")
self.provider = Provider(script) self.addCleanup(self.provider.close) self.app = Albedo(self.provider, protocol="responses") self.app.__enter__() self.addCleanup(self.app.__exit__, None, None, None)
def turn(self, session, prompt): """The notes the model saw in this turn.""" self.app.prompt(session, prompt).close() self.app.idle(session) return turn_notes(self.provider.requests[-1]["request"])
def outputs(self): return [ item.get("output", "") for item in self.provider.requests[-1]["request"]["input"] if item.get("type") == "function_call_output" ]
def test_kernel_crash_emits_one_shot_reset_notice_and_daemon_crash_reattaches(self): app = self.app session = app.session(name="kernel recovery") self.assertEqual(self.turn(session, "first prompt"), []) unused = app.session() app.restart(crash=True) self.assertEqual(self.turn(unused, "unused session's first prompt"), []) with self.assertRaises(urllib.error.HTTPError) as rejected: app.prompt(session, " ").close() self.assertEqual(rejected.exception.code, 400) [reattached] = self.turn(session, "after restart") self.assertTrue(reattached.startswith(REATTACHED), reattached) self.assertIn("Jobs still running", reattached) self.assertIn("7 None", self.outputs()[-1]) self.assertEqual(self.turn(session, "ordinary turn"), []) self.assertEqual(self.turn(session, "lose kernel"), []) self.assertEqual(self.turn(session, "recover kernel"), [NOTICE]) self.assertIn("kernel-ready", self.outputs()[-1]) self.assertEqual(self.turn(session, "still alive"), []) users = [ part["text"] for entry in app.history(session)["items"] if entry["kind"] == "user" for part in entry["content"] if part["kind"] == "text" ] self.assertEqual( users, [ "first prompt", "after restart", "ordinary turn", "lose kernel", "recover kernel", "still alive", ], ) with app.api("/sessions") as response: info = next( item for item in json.load(response)["items"] if item["id"] == session ) self.assertEqual(info["name"], "kernel recovery")