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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.
"""
Data models for the TextArena Environment.
The textarena environment is a simple test environment that echoes back messages.
"""
from __future__ import annotations
from pydantic import Field
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Field
from openenv.core.env_server.types import Action, Observation, State
class TextArenaMessage(BaseModel):
"""Single message observed by a player."""
sender_id: int
content: str
category: str
class TextArenaAction(Action):
"""Action issued by the agent for TextArena games."""
message: str
class TextArenaObservation(Observation):
"""Observation returned from any TextArena game."""
prompt: str
messages: List[TextArenaMessage] = Field(default_factory=list)
current_player_id: int = 0
legal_players: List[int] = Field(default_factory=list)
info: Dict[str, Any] = Field(default_factory=dict)
class TextArenaState(State):
"""Structured state snapshot for the server."""
env_id: str
num_players: int
max_turns: Optional[int] = None
turn: int = 0
last_reward: float = 0.0
last_info: Dict[str, Any] = Field(default_factory=dict)
raw_state: Dict[str, Any] = Field(default_factory=dict)
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