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18f9970 eaf3506 18f9970 eaf3506 18f9970 eaf3506 18f9970 eaf3506 18f9970 eaf3506 18f9970 eaf3506 18f9970 eaf3506 18f9970 eaf3506 18f9970 eaf3506 18f9970 | 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 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | # 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.
"""Firewatch Env Environment Client."""
from typing import Any, Dict
from openenv.core import EnvClient
from openenv.core.client_types import StepResult
from openenv.core.env_server.types import State
from .models import FirewatchAction, SystemObservation
class FirewatchEnv(
EnvClient[FirewatchAction, SystemObservation, State]
):
"""
Client for the Firewatch Env 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.
Example:
>>> with FirewatchEnv(base_url="http://localhost:8000") as client:
... result = client.reset(difficulty="easy", seed=42)
... print(result.observation.sim_tick)
...
... action = FirewatchAction(action_type="fetch_logs", target_service="auth-service")
... result = client.step(action)
... print(result.observation.slo_budget_remaining_pct)
"""
def _step_payload(self, action: FirewatchAction) -> Dict:
"""
Convert FirewatchAction to JSON payload for step message.
Args:
action: FirewatchAction instance
Returns:
Dictionary representation suitable for JSON encoding
"""
payload: Dict[str, Any] = {
"action_type": action.action_type,
}
if action.target_service is not None:
payload["target_service"] = action.target_service
if action.parameters:
payload["parameters"] = action.parameters
return payload
def _parse_result(self, payload: Dict) -> StepResult[SystemObservation]:
"""
Parse server response into StepResult[SystemObservation].
Args:
payload: JSON response data from server
Returns:
StepResult with SystemObservation
"""
obs_data = payload.get("observation", {})
observation = SystemObservation(**obs_data)
return StepResult(
observation=observation,
reward=payload.get("reward"),
done=payload.get("done", False),
)
def _parse_state(self, payload: Dict) -> State:
"""
Parse server response into State object.
Args:
payload: JSON response from state request
Returns:
State object with episode_id and step_count
"""
return State(
episode_id=payload.get("episode_id"),
step_count=payload.get("step_count", 0),
)
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