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| # 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. | |
| """ | |
| Benchmark Environment HTTP Client. | |
| This module provides the client for connecting to a Benchmark Environment server | |
| over HTTP. Useful for testing concurrency and infrastructure. | |
| """ | |
| from typing import Dict | |
| from openenv.core.client_types import StepResult | |
| from openenv.core.env_server.types import State | |
| from openenv.core.http_env_client import HTTPEnvClient | |
| from .models import BenchmarkAction, BenchmarkObservation | |
| class BenchmarkEnv(HTTPEnvClient[BenchmarkAction, BenchmarkObservation]): | |
| """ | |
| HTTP client for the Benchmark Environment. | |
| This client connects to a BenchmarkEnvironment HTTP server and provides | |
| methods to interact with it: reset(), step(), and state access. | |
| Example: | |
| >>> # Connect to a running server | |
| >>> client = BenchmarkEnv(base_url="http://localhost:8000") | |
| >>> result = client.reset() | |
| >>> print(result.observation.host_url) | |
| >>> print(result.observation.pid) | |
| >>> print(result.observation.session_hash) | |
| >>> | |
| >>> # Test concurrency by waiting | |
| >>> result = client.step(BenchmarkAction(wait_seconds=2.0)) | |
| >>> print(result.observation.waited_seconds) | |
| Example with Docker: | |
| >>> # Automatically start container and connect | |
| >>> client = BenchmarkEnv.from_docker_image("benchmark-env:latest") | |
| >>> result = client.reset() | |
| >>> result = client.step(BenchmarkAction(wait_seconds=1.0)) | |
| """ | |
| def _step_payload(self, action: BenchmarkAction) -> Dict: | |
| """ | |
| Convert BenchmarkAction to JSON payload for step request. | |
| Args: | |
| action: BenchmarkAction instance | |
| Returns: | |
| Dictionary representation suitable for JSON encoding | |
| """ | |
| return { | |
| "wait_seconds": action.wait_seconds, | |
| } | |
| def _parse_result(self, payload: Dict) -> StepResult[BenchmarkObservation]: | |
| """ | |
| Parse server response into StepResult[BenchmarkObservation]. | |
| Args: | |
| payload: JSON response from server | |
| Returns: | |
| StepResult with BenchmarkObservation | |
| """ | |
| obs_data = payload.get("observation", {}) | |
| observation = BenchmarkObservation( | |
| host_url=obs_data.get("host_url", ""), | |
| pid=obs_data.get("pid", 0), | |
| session_hash=obs_data.get("session_hash", ""), | |
| waited_seconds=obs_data.get("waited_seconds", 0.0), | |
| timestamp=obs_data.get("timestamp", 0.0), | |
| 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: | |
| """ | |
| Parse server response into State object. | |
| Args: | |
| payload: JSON response from /state endpoint | |
| Returns: | |
| State object with episode_id and step_count | |
| """ | |
| return State( | |
| episode_id=payload.get("episode_id"), | |
| step_count=payload.get("step_count", 0), | |
| ) | |