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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.
"""
Test 123 Environment HTTP Client.
This module provides the client for connecting to a Test 123 Environment server
over HTTP.
"""
from typing import Any, 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 Test123Action, Test123Observation
class Test123Env(HTTPEnvClient[Test123Action, Test123Observation]):
"""
HTTP client for the Test 123 Environment.
This client connects to a Test123Environment HTTP server and provides
methods to interact with it: reset(), step(), and state access.
Example:
>>> # Connect to a running server
>>> client = Test123Env(base_url="http://localhost:8000")
>>> result = client.reset()
>>> print(result.observation.echoed_message)
>>>
>>> # Send a message
>>> result = client.step(Test123Action(message="Hello!"))
>>> print(result.observation.echoed_message)
>>> print(result.reward)
Example with Docker:
>>> # Automatically start container and connect
>>> client = Test123Env.from_docker_image("test_123-env:latest")
>>> result = client.reset()
>>> result = client.step(Test123Action(message="Test"))
"""
def _step_payload(self, action: Test123Action) -> Dict:
"""
Convert Test123Action to JSON payload for step request.
Args:
action: Test123Action instance
Returns:
Dictionary representation suitable for JSON encoding
"""
return {
"message": action.message,
}
def _parse_result(self, payload: Dict) -> StepResult[Test123Observation]:
"""
Parse server response into StepResult[Test123Observation].
Args:
payload: JSON response from server
Returns:
StepResult with Test123Observation
"""
obs_data = payload.get("observation", {})
observation = Test123Observation(
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:
"""
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),
)
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