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# 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.
"""FastAPI application for the Pathway Analysis Environment."""
from __future__ import annotations
import inspect
import logging
import os
from pathlib import Path
from typing import Any, Dict, Optional
# Pathway lab is meant to be used at /web; OpenEnv defaults web off unless set.
if "ENABLE_WEB_INTERFACE" not in os.environ:
os.environ["ENABLE_WEB_INTERFACE"] = "true"
# Some dependencies (e.g. gseapy) import matplotlib, which tries to write a font/cache
# directory under the user's home. In sandboxed / CI contexts this can be unwritable.
if "MPLCONFIGDIR" not in os.environ:
cache_dir = Path(__file__).resolve().parent.parent / "outputs" / ".mplcache"
cache_dir.mkdir(parents=True, exist_ok=True)
os.environ["MPLCONFIGDIR"] = str(cache_dir)
from openenv.core.env_server.http_server import create_app
from ..models import PathwayAction, PathwayObservation
from .gradio_ui import build_pathway_gradio_app
from .pathway_environment import PathwayEnvironment
_logger = logging.getLogger(__name__)
# Populated when the Gradio / web UI is built (single shared env instance).
_WEB_MANAGER: Dict[str, Any] = {}
def _pathway_env_factory() -> PathwayEnvironment:
return PathwayEnvironment()
def _gradio_builder_with_manager(web_manager, *args, **kwargs):
_WEB_MANAGER["manager"] = web_manager
return build_pathway_gradio_app(web_manager, *args, **kwargs)
_sig = inspect.signature(create_app)
_kw: dict = {
"env": _pathway_env_factory,
"action_cls": PathwayAction,
"observation_cls": PathwayObservation,
"env_name": "pathway_analysis_env",
}
if "gradio_builder" in _sig.parameters:
_kw["gradio_builder"] = _gradio_builder_with_manager
else:
_logger.warning(
"openenv-core does not support gradio_builder; Pathway lab tab will be unavailable."
)
app = create_app(**_kw)
def _active_pathway_env() -> Optional[PathwayEnvironment]:
mgr = _WEB_MANAGER.get("manager")
if mgr is None:
return None
env = getattr(mgr, "env", None)
return env if isinstance(env, PathwayEnvironment) else None
@app.get(
"/orchestrator/episode_outcome",
tags=["Orchestrator"],
summary="Episode score (orchestrator only)",
)
async def orchestrator_episode_outcome() -> Dict[str, Any]:
"""
Return ``episode_outcome`` for the active web-session environment.
Not for untrusted agents — use after ``submit_answer`` when running benchmarks
against the local server. Returns ``{}`` if no episode has been scored yet.
"""
env = _active_pathway_env()
if env is None:
return {"error": "web_interface_not_initialized"}
return dict(env.episode_outcome or {})
@app.get(
"/orchestrator/eval_protocol",
tags=["Orchestrator"],
summary="Eval protocol summary",
)
async def orchestrator_eval_protocol() -> Dict[str, Any]:
"""Describe eval-mode guarantees for the active environment instance."""
env = _active_pathway_env()
if env is None:
return {"error": "web_interface_not_initialized"}
st = env.state
return {
"eval_mode": st.eval_mode,
"max_steps": st.max_steps,
"pipeline_mode": st.pipeline_mode,
"legacy_mode": st.legacy_mode,
"de_run": st.de_run,
"enrichment_run": st.enrichment_run,
"step_count": st.step_count,
"required_workflow": [
"understand_experiment_design or inspect_dataset",
"run_differential_expression",
"run_pathway_enrichment",
"submit_answer",
],
}
def main():
"""Entry point for ``uv run --project . server``."""
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)
if __name__ == "__main__":
main()
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