| from uuid import uuid4 |
|
|
| from openenv.core.env_server.interfaces import Environment |
| from openenv.core.env_server.types import State |
|
|
| try: |
| from ..models import LedgerCheckAction, LedgerCheckObservation |
| from .tasks import TASK_IDS, build, score |
| except ImportError: |
| from models import LedgerCheckAction, LedgerCheckObservation |
| from server.tasks import TASK_IDS, build, score |
|
|
|
|
| class LedgerCheckEnvironment(Environment): |
| """Single-step ledger reconciliation. Reward 1.0 for the exact answer, else 0.0.""" |
|
|
| SUPPORTS_CONCURRENT_SESSIONS: bool = True |
|
|
| def __init__(self): |
| self._state = State(episode_id=str(uuid4()), step_count=0) |
| self._task_id = TASK_IDS[0] |
| self._expected = None |
| self._done = False |
|
|
| def reset(self, seed=None, episode_id=None, task_id=None, **kwargs) -> LedgerCheckObservation: |
| self._task_id = task_id or TASK_IDS[0] |
| csv, q, self._expected = build(self._task_id) |
| self._done = False |
| self._state = State(episode_id=episode_id or str(uuid4()), step_count=0) |
| return LedgerCheckObservation(task_id=self._task_id, question=q, ledger=csv, done=False, reward=0.0) |
|
|
| def step(self, action: LedgerCheckAction, timeout_s=None, **kwargs) -> LedgerCheckObservation: |
| self._state.step_count += 1 |
| if self._done or self._expected is None: |
| return LedgerCheckObservation(task_id=self._task_id, done=True, reward=0.0, feedback="episode over") |
| self._done = True |
| r = score(self._expected, action.answer) |
| return LedgerCheckObservation(task_id=self._task_id, done=True, reward=r, |
| feedback="correct" if r == 1.0 else "incorrect") |
|
|
| @property |
| def state(self) -> State: |
| return self._state |
|
|
