File size: 11,156 Bytes
1794757 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 | from __future__ import annotations
from contextlib import asynccontextmanager
import os
from typing import Any
import uvicorn
from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from trenches_env.env import FogOfWarDiplomacyEnv
from trenches_env.model_runtime import build_entity_model_bindings
from trenches_env.models import (
BenchmarkRunRequest,
BenchmarkRunResponse,
CreateSessionRequest,
IngestNewsRequest,
IngestNewsResponse,
LiveControlRequest,
ProviderDiagnosticsResponse,
ReactionLogEntry,
ResetEnvRequest,
ResetEnvResponse,
ResetSessionRequest,
ScenarioSummary,
SessionState,
SourceMonitorReport,
StepEnvRequest,
StepEnvResponse,
StepSessionRequest,
StepSessionResponse,
)
from trenches_env.openenv_adapter import (
OPENENV_CORE_AVAILABLE,
OpenEnvAdapter,
TrenchesOpenEnvEnvironment,
create_openenv_fastapi_app,
)
from trenches_env.session_manager import SessionManager
from trenches_env.source_ingestion import SourceHarvester
DEFAULT_LOCAL_DEV_CORS_ORIGIN_REGEX = r"https?://(localhost|127\.0\.0\.1)(:\d+)?$"
def _parse_csv_env(raw_value: str | None) -> list[str]:
if not raw_value:
return []
return [item.strip() for item in raw_value.split(",") if item.strip()]
def _resolve_cors_settings() -> dict[str, Any]:
allow_origins = _parse_csv_env(os.getenv("TRENCHES_CORS_ALLOW_ORIGINS"))
allow_origin_regex = os.getenv("TRENCHES_CORS_ALLOW_ORIGIN_REGEX")
if "*" in allow_origins:
return {
"allow_origins": ["*"],
"allow_origin_regex": None,
# Browsers reject wildcard origins when credentials are enabled.
"allow_credentials": False,
"allow_methods": ["*"],
"allow_headers": ["*"],
}
if not allow_origins and not allow_origin_regex:
allow_origin_regex = DEFAULT_LOCAL_DEV_CORS_ORIGIN_REGEX
allow_credentials = os.getenv("TRENCHES_CORS_ALLOW_CREDENTIALS", "true").strip().lower() not in {
"0",
"false",
"no",
"off",
}
return {
"allow_origins": allow_origins,
"allow_origin_regex": allow_origin_regex,
"allow_credentials": allow_credentials,
"allow_methods": ["*"],
"allow_headers": ["*"],
}
def create_app(session_manager: SessionManager | None = None) -> FastAPI:
manager = session_manager or SessionManager(
env=FogOfWarDiplomacyEnv(
source_harvester=SourceHarvester(auto_start=True),
).enable_source_warm_start()
)
@asynccontextmanager
async def lifespan(_: FastAPI):
try:
manager.start_background_runner()
yield
finally:
manager.shutdown()
app = FastAPI(title="Trenches OpenEnv Backend", version="0.1.0", lifespan=lifespan)
app.add_middleware(CORSMiddleware, **_resolve_cors_settings())
runtime = OpenEnvAdapter(session_manager=manager)
openenv_app = create_openenv_fastapi_app(
lambda: TrenchesOpenEnvEnvironment(
env=FogOfWarDiplomacyEnv(
source_harvester=SourceHarvester(auto_start=False),
).enable_source_warm_start()
)
)
if openenv_app is not None:
app.mount("/openenv", openenv_app)
@app.get("/healthz")
async def healthz() -> dict[str, str]:
return {"status": "ok"}
@app.get("/capabilities")
async def capabilities() -> dict[str, Any]:
cors_settings = _resolve_cors_settings()
return {
"model_bindings": {
agent_id: binding.model_dump(mode="json")
for agent_id, binding in build_entity_model_bindings().items()
},
"session_api": True,
"legacy_openenv_tuple_api": True,
"native_openenv_api": OPENENV_CORE_AVAILABLE,
"native_openenv_base_path": "/openenv" if OPENENV_CORE_AVAILABLE else None,
"cors": {
"allow_origins": cors_settings["allow_origins"],
"allow_origin_regex": cors_settings["allow_origin_regex"],
"allow_credentials": cors_settings["allow_credentials"],
},
}
@app.post("/sessions", response_model=SessionState)
async def create_session(request: CreateSessionRequest) -> SessionState:
return manager.create_session(
seed=request.seed,
training_agent=request.training_agent,
training_stage=request.training_stage,
max_turns=request.max_turns,
scenario_id=request.scenario_id,
replay_id=request.replay_id,
replay_start_index=request.replay_start_index,
)
@app.post("/sessions/{session_id}/reset", response_model=SessionState)
async def reset_session(session_id: str, request: ResetSessionRequest) -> SessionState:
try:
return manager.reset_session(
session_id=session_id,
seed=request.seed,
training_agent=request.training_agent,
training_stage=request.training_stage,
max_turns=request.max_turns,
scenario_id=request.scenario_id,
replay_id=request.replay_id,
replay_start_index=request.replay_start_index,
)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
except ValueError as exc:
raise HTTPException(status_code=400, detail=str(exc)) from exc
@app.get("/scenarios", response_model=list[ScenarioSummary])
async def list_scenarios() -> list[ScenarioSummary]:
return manager.list_scenarios()
@app.post("/benchmarks/run", response_model=BenchmarkRunResponse)
async def run_benchmark(request: BenchmarkRunRequest) -> BenchmarkRunResponse:
try:
return manager.run_benchmark(request)
except ValueError as exc:
raise HTTPException(status_code=400, detail=str(exc)) from exc
@app.get("/sessions/{session_id}", response_model=SessionState)
async def get_session(session_id: str) -> SessionState:
try:
return manager.get_session(session_id)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
@app.post("/sessions/{session_id}/sources/refresh", response_model=SessionState)
async def refresh_session_sources(session_id: str) -> SessionState:
try:
return manager.refresh_session_sources(session_id=session_id, force=True)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
@app.get("/sessions/{session_id}/sources/monitor", response_model=SourceMonitorReport)
async def source_monitor(session_id: str) -> SourceMonitorReport:
try:
return manager.source_monitor(session_id=session_id)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
@app.get("/sessions/{session_id}/reactions", response_model=list[ReactionLogEntry])
async def reaction_log(session_id: str) -> list[ReactionLogEntry]:
try:
return manager.reaction_log(session_id=session_id)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
@app.get("/sessions/{session_id}/providers/diagnostics", response_model=ProviderDiagnosticsResponse)
async def provider_diagnostics(session_id: str) -> ProviderDiagnosticsResponse:
try:
return manager.provider_diagnostics(session_id=session_id)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
@app.post("/sessions/{session_id}/news", response_model=IngestNewsResponse)
async def ingest_news(session_id: str, request: IngestNewsRequest) -> IngestNewsResponse:
try:
return manager.ingest_news(session_id=session_id, request=request)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
except ValueError as exc:
raise HTTPException(status_code=400, detail=str(exc)) from exc
@app.post("/sessions/{session_id}/live", response_model=SessionState)
async def set_live_mode(session_id: str, request: LiveControlRequest) -> SessionState:
try:
return manager.set_live_mode(session_id=session_id, request=request)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
except ValueError as exc:
raise HTTPException(status_code=400, detail=str(exc)) from exc
@app.post("/sessions/{session_id}/step", response_model=StepSessionResponse)
async def step_session(session_id: str, request: StepSessionRequest) -> StepSessionResponse:
try:
return manager.step_session(session_id=session_id, request=request)
except KeyError as exc:
raise HTTPException(status_code=404, detail=f"Unknown session: {session_id}") from exc
except ValueError as exc:
raise HTTPException(status_code=400, detail=str(exc)) from exc
@app.post("/reset", response_model=ResetEnvResponse)
async def reset_env(request: ResetEnvRequest) -> ResetEnvResponse:
observations, info = runtime.reset(
seed=request.seed,
training_stage=request.training_stage,
max_turns=request.max_turns,
scenario_id=request.scenario_id,
replay_id=request.replay_id,
replay_start_index=request.replay_start_index,
)
return ResetEnvResponse(observations=observations, info=info)
@app.post("/step", response_model=StepEnvResponse)
async def step_env(request: StepEnvRequest) -> StepEnvResponse:
try:
observations, rewards, terminated, truncated, info = runtime.step(
actions=request.actions,
predictions=request.predictions,
external_signals=request.external_signals,
)
except ValueError as exc:
raise HTTPException(status_code=400, detail=str(exc)) from exc
return StepEnvResponse(
observations=observations,
rewards=rewards,
terminated=terminated,
truncated=truncated,
info=info,
)
@app.get("/state", response_model=SessionState)
async def state_env() -> SessionState:
session = runtime.state()
if session is None:
raise HTTPException(status_code=404, detail="No active OpenEnv runtime session.")
return session
return app
app = create_app()
def run() -> None:
uvicorn.run("trenches_env.server:app", host="0.0.0.0", port=8000, reload=False)
if __name__ == "__main__":
run()
|