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ff293b1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | # Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
"""Ghostexec Environment Client."""
from typing import Any, Dict
try:
# OpenEnv newer layout.
from openenv.client import EnvClient
except ImportError:
try:
# Some builds expose the class one level deeper.
from openenv.client.client import EnvClient
except ImportError:
# Backward compatibility with older OpenEnv versions.
from openenv.core import EnvClient
from openenv.core.client_types import StepResult
from openenv.core.env_server.types import State
from .models import GhostexecAction, GhostexecObservation
class GhostexecEnv(
EnvClient[GhostexecAction, GhostexecObservation, State]
):
"""
Client for the Ghostexec Environment.
This client maintains a persistent WebSocket connection to the environment server,
enabling efficient multi-step interactions with lower latency.
Each client instance has its own dedicated environment session on the server.
"""
def _step_payload(self, action: GhostexecAction) -> Dict[str, Any]:
payload = action.model_dump(mode="json")
if not payload.get("metadata"):
payload.pop("metadata", None)
return payload
def _parse_result(self, payload: Dict) -> StepResult[GhostexecObservation]:
obs_data = payload.get("observation", {})
observation = GhostexecObservation(
echoed_message=obs_data.get("echoed_message", ""),
message_length=obs_data.get("message_length", 0),
done=payload.get("done", False),
reward=payload.get("reward"),
metadata=obs_data.get("metadata", {}),
)
return StepResult(
observation=observation,
reward=payload.get("reward"),
done=payload.get("done", False),
)
def _parse_state(self, payload: Dict) -> State:
return State(
episode_id=payload.get("episode_id"),
step_count=payload.get("step_count", 0),
)
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