Files
ViGent2/backend/app/modules/videos/task_store.py
Kevin Wong be6a3436bb 更新
2026-02-05 12:03:55 +08:00

119 lines
3.5 KiB
Python

from typing import Any, Dict, List
import json
from loguru import logger
from app.core.config import settings
try:
import redis
except Exception: # pragma: no cover - optional dependency
redis = None
class InMemoryTaskStore:
def __init__(self) -> None:
self._tasks: Dict[str, Dict[str, Any]] = {}
def create(self, task_id: str, user_id: str) -> Dict[str, Any]:
task = {
"status": "pending",
"task_id": task_id,
"progress": 0,
"user_id": user_id,
}
self._tasks[task_id] = task
return task
def get(self, task_id: str) -> Dict[str, Any]:
return self._tasks.get(task_id, {"status": "not_found"})
def list(self) -> List[Dict[str, Any]]:
return list(self._tasks.values())
def update(self, task_id: str, updates: Dict[str, Any]) -> Dict[str, Any]:
task = self._tasks.get(task_id)
if not task:
task = {"status": "pending", "task_id": task_id}
self._tasks[task_id] = task
task.update(updates)
return task
class RedisTaskStore:
def __init__(self, client: "redis.Redis") -> None:
self._client = client
self._index_key = "vigent:tasks:index"
def _key(self, task_id: str) -> str:
return f"vigent:tasks:{task_id}"
def create(self, task_id: str, user_id: str) -> Dict[str, Any]:
task = {
"status": "pending",
"task_id": task_id,
"progress": 0,
"user_id": user_id,
}
self._client.set(self._key(task_id), json.dumps(task, ensure_ascii=False))
self._client.sadd(self._index_key, task_id)
return task
def get(self, task_id: str) -> Dict[str, Any]:
raw = self._client.get(self._key(task_id))
if not raw:
return {"status": "not_found"}
return json.loads(raw)
def list(self) -> List[Dict[str, Any]]:
task_ids = list(self._client.smembers(self._index_key) or [])
if not task_ids:
return []
keys = [self._key(task_id) for task_id in task_ids]
raw_items = self._client.mget(keys)
tasks = []
for raw in raw_items:
if raw:
try:
tasks.append(json.loads(raw))
except Exception:
continue
return tasks
def update(self, task_id: str, updates: Dict[str, Any]) -> Dict[str, Any]:
task = self.get(task_id)
if task.get("status") == "not_found":
task = {"status": "pending", "task_id": task_id}
task.update(updates)
self._client.set(self._key(task_id), json.dumps(task, ensure_ascii=False))
self._client.sadd(self._index_key, task_id)
return task
def _build_task_store():
if redis is None:
logger.warning("Redis not available, using in-memory task store")
return InMemoryTaskStore()
try:
client = redis.Redis.from_url(settings.REDIS_URL, decode_responses=True)
client.ping()
logger.info("Using Redis task store")
return RedisTaskStore(client)
except Exception as e:
logger.warning(f"Redis connection failed, using in-memory task store: {e}")
return InMemoryTaskStore()
task_store = _build_task_store()
def create_task(task_id: str, user_id: str) -> Dict[str, Any]:
return task_store.create(task_id, user_id)
def get_task(task_id: str) -> Dict[str, Any]:
return task_store.get(task_id)
def list_tasks() -> List[Dict[str, Any]]:
return task_store.list()