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c1b10f3 76d888a c1b10f3 76d888a c1b10f3 76d888a c1b10f3 76d888a c1b10f3 | 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 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | """Lightweight OpenEnv-compatible helpers for local and container builds."""
from __future__ import annotations
from abc import ABC, abstractmethod
from typing import Any, Generic, Optional, TypeVar
from fastapi import FastAPI, HTTPException
from pydantic import BaseModel, ConfigDict, Field
ActT = TypeVar("ActT", bound="Action")
ObsT = TypeVar("ObsT", bound="Observation")
StateT = TypeVar("StateT", bound="State")
def install_openenv_fastmcp_compat() -> None:
"""Compatibility hook retained for callers; no-op in the local shim."""
return None
class Action(BaseModel):
"""Minimal action base model."""
model_config = ConfigDict(extra="forbid", validate_assignment=True, arbitrary_types_allowed=True)
metadata: dict[str, Any] = Field(default_factory=dict)
class Observation(BaseModel):
"""Minimal observation base model."""
model_config = ConfigDict(extra="forbid", validate_assignment=True, arbitrary_types_allowed=True)
done: bool = False
reward: bool | int | float | None = None
metadata: dict[str, Any] = Field(default_factory=dict)
class State(BaseModel):
"""Minimal state base model."""
model_config = ConfigDict(extra="allow", validate_assignment=True, arbitrary_types_allowed=True)
episode_id: Optional[str] = None
step_count: int = Field(default=0, ge=0)
class Environment(ABC, Generic[ActT, ObsT, StateT]):
"""Minimal environment interface compatible with this project."""
SUPPORTS_CONCURRENT_SESSIONS: bool = False
def __init__(self, transform: Any = None, rubric: Any = None) -> None:
self.transform = transform
self.rubric = rubric
@abstractmethod
def reset(self, seed: Optional[int] = None, episode_id: Optional[str] = None, **kwargs: Any) -> ObsT:
"""Reset the environment."""
@abstractmethod
def step(self, action: ActT, timeout_s: Optional[float] = None, **kwargs: Any) -> ObsT:
"""Execute one step."""
@property
@abstractmethod
def state(self) -> StateT:
"""Return current state."""
def _reset_rubric(self) -> None:
"""Compatibility no-op."""
return None
def create_app(
env_cls: type[Environment[Any, Any, Any]],
action_model: type[BaseModel],
observation_model: type[BaseModel],
max_concurrent_envs: int = 1,
) -> FastAPI:
"""Create a minimal FastAPI app exposing reset/step/state/schema endpoints."""
app = FastAPI(title="python_code_review_env")
env = env_cls()
del observation_model, max_concurrent_envs
@app.post("/reset")
def reset(payload: dict[str, Any] | None = None) -> dict[str, Any]:
try:
observation = env.reset(**(payload or {}))
dumped = observation.model_dump()
return {
"observation": dumped,
"reward": dumped.get("reward"),
"done": dumped.get("done", False),
}
except Exception as exc:
raise HTTPException(status_code=500, detail=str(exc)) from exc
@app.post("/step")
def step(payload: dict[str, Any]) -> dict[str, Any]:
try:
action_payload = payload.get("action", payload)
timeout_s = payload.get("timeout_s")
action = action_model(**action_payload)
observation = env.step(action, timeout_s=timeout_s)
dumped = observation.model_dump()
return {
"observation": dumped,
"reward": dumped.get("reward"),
"done": dumped.get("done", False),
}
except Exception as exc:
raise HTTPException(status_code=500, detail=str(exc)) from exc
@app.get("/state")
def state() -> dict[str, Any]:
try:
return env.state.model_dump()
except Exception as exc:
raise HTTPException(status_code=500, detail=str(exc)) from exc
@app.get("/schema")
def schema() -> dict[str, Any]:
return {
"action": action_model.model_json_schema(),
"observation": observation_model.model_json_schema(),
"state": env.state.__class__.model_json_schema(),
}
return app
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