Spaces:
Sleeping
Sleeping
File size: 8,059 Bytes
d103a0f | 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 | """
FastAPI server for SQL Data Analyst OpenEnv.
Provides REST and WebSocket endpoints for HuggingFace Spaces deployment.
"""
from fastapi import FastAPI, WebSocket, WebSocketDisconnect
from pydantic import BaseModel
from typing import Optional, Dict, Any
import json
import asyncio
from env import SQLAnalystEnv, Action
app = FastAPI(title="SQL Data Analyst Environment")
envs: Dict[str, SQLAnalystEnv] = {}
class ResetRequest(BaseModel):
task_id: str = "monthly_signups"
class StepRequest(BaseModel):
session_id: str
sql_query: Optional[str] = None
submit_answer: Optional[str] = None
class StateRequest(BaseModel):
session_id: str
@app.get("/")
async def root():
return {
"name": "sql-data-analyst",
"version": "1.0.0",
"description": "SQL Data Analyst OpenEnv - RL environment for SQL query generation",
}
@app.post("/reset")
async def reset(req: ResetRequest) -> Dict[str, Any]:
session_id = req.task_id
env = SQLAnalystEnv(task_id=req.task_id)
result = env.reset()
envs[session_id] = env
return {
"session_id": session_id,
"observation": {
"schema_summary": result.observation.schema_summary,
"question": result.observation.question,
"step": result.observation.step,
"max_steps": result.observation.max_steps,
"hints": result.observation.hints,
"done": result.observation.done,
},
"reward": result.reward,
"done": result.done,
}
@app.post("/step")
async def step(req: StepRequest) -> Dict[str, Any]:
session_id = req.session_id
if session_id not in envs:
return {"error": "Session not found. Call /reset first."}
env = envs[session_id]
action = Action(sql_query=req.sql_query, submit_answer=req.submit_answer)
result = env.step(action)
return {
"observation": {
"schema_summary": result.observation.schema_summary,
"question": result.observation.question,
"last_query": result.observation.last_query,
"last_result": {
"columns": result.observation.last_result.columns
if result.observation.last_result
else None,
"rows": result.observation.last_result.rows
if result.observation.last_result
else None,
"error": result.observation.last_result.error
if result.observation.last_result
else None,
}
if result.observation.last_result
else None,
"last_error": result.observation.last_error,
"step": result.observation.step,
"max_steps": result.observation.max_steps,
"hints": result.observation.hints,
"done": result.observation.done,
},
"reward": result.reward,
"done": result.done,
"info": result.info,
}
@app.post("/state")
async def state(req: StateRequest) -> Dict[str, Any]:
session_id = req.session_id
if session_id not in envs:
return {"error": "Session not found. Call /reset first."}
env = envs[session_id]
state = env.state()
return {
"task_id": state.task_id,
"difficulty": state.difficulty,
"step": state.step,
"max_steps": state.max_steps,
"query_history": state.query_history,
"total_reward": state.total_reward,
"done": state.done,
}
@app.post("/delete")
async def delete_session(req: StateRequest) -> Dict[str, str]:
session_id = req.session_id
if session_id in envs:
del envs[session_id]
return {"status": "deleted", "session_id": session_id}
return {"status": "not_found", "session_id": session_id}
@app.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket):
await websocket.accept()
session_id = None
env = None
try:
while True:
data = await websocket.receive_text()
message = json.loads(data)
action_type = message.get("type")
if action_type == "reset":
task_id = message.get("task_id", "monthly_signups")
env = SQLAnalystEnv(task_id=task_id)
result = env.reset()
session_id = task_id
envs[session_id] = env
await websocket.send_json(
{
"type": "reset",
"observation": {
"schema_summary": result.observation.schema_summary,
"question": result.observation.question,
"step": result.observation.step,
"max_steps": result.observation.max_steps,
"hints": result.observation.hints,
},
"reward": result.reward,
"done": result.done,
}
)
elif action_type == "step":
if not env:
await websocket.send_json({"error": "Call reset first"})
continue
action = Action(
sql_query=message.get("sql_query"),
submit_answer=message.get("submit_answer"),
)
result = env.step(action)
await websocket.send_json(
{
"type": "step",
"observation": {
"schema_summary": result.observation.schema_summary,
"question": result.observation.question,
"last_query": result.observation.last_query,
"last_result": {
"columns": result.observation.last_result.columns
if result.observation.last_result
else None,
"rows": result.observation.last_result.rows
if result.observation.last_result
else None,
"error": result.observation.last_result.error
if result.observation.last_result
else None,
}
if result.observation.last_result
else None,
"step": result.observation.step,
"hints": result.observation.hints,
"done": result.observation.done,
},
"reward": result.reward,
"done": result.done,
"info": result.info,
}
)
elif action_type == "state":
if not env:
await websocket.send_json({"error": "Call reset first"})
continue
state = env.state()
await websocket.send_json(
{
"type": "state",
"task_id": state.task_id,
"difficulty": state.difficulty,
"step": state.step,
"max_steps": state.max_steps,
"query_history": state.query_history,
"total_reward": state.total_reward,
"done": state.done,
}
)
elif action_type == "close":
if session_id and session_id in envs:
del envs[session_id]
break
except WebSocketDisconnect:
pass
except Exception as e:
await websocket.send_json({"error": str(e)})
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=7860)
|