|
|
| import os
|
| import threading
|
| import queue
|
| import time
|
| from typing import Dict, Any
|
| from models_job import JobStatus, JobResult
|
|
|
| UPLOAD_DIR = os.environ.get("UPLOAD_DIR", "/app/data/uploads")
|
| RESULTS_DIR = os.environ.get("RESULTS_DIR", "/app/data/results")
|
|
|
| class JobStore:
|
| """
|
| Almacena estados y resultados en memoria.
|
| Para producción: sustituir por Redis / DB persistente si lo necesitas.
|
| """
|
| def __init__(self):
|
| self.status: Dict[str, JobStatus] = {}
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| self.result: Dict[str, JobResult] = {}
|
| self.lock = threading.Lock()
|
|
|
| def set_status(self, job_id: str, status: JobStatus):
|
| with self.lock:
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| self.status[job_id] = status
|
|
|
| def get_status(self, job_id: str) -> JobStatus | None:
|
| with self.lock:
|
| return self.status.get(job_id)
|
|
|
| def set_result(self, job_id: str, result: JobResult):
|
| with self.lock:
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| self.result[job_id] = result
|
|
|
| def get_result(self, job_id: str) -> JobResult | None:
|
| with self.lock:
|
| return self.result.get(job_id)
|
|
|
| job_store = JobStore()
|
| job_queue: "queue.Queue[Dict[str, Any]]" = queue.Queue()
|
|
|
| def worker_loop(process_fn):
|
| while True:
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| job = job_queue.get()
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| if job is None:
|
| break
|
| try:
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| process_fn(job)
|
| except Exception as e:
|
|
|
| st = job_store.get_status(job["job_id"])
|
| if st:
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| st.status = "failed"
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| st.message = f"Error: {e}"
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| st.progress = 0
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| job_store.set_status(job["job_id"], st)
|
| finally:
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| job_queue.task_done()
|
|
|
| _worker_thread = None
|
|
|
| def start_worker(process_fn):
|
| global _worker_thread
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| if _worker_thread is None or not _worker_thread.is_alive():
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| _worker_thread = threading.Thread(target=worker_loop, args=(process_fn,), daemon=True)
|
| _worker_thread.start()
|
|
|
