ogn-python/ogn/collect/celery.py

35 wiersze
921 B
Python

import os
import importlib
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from celery import Celery
from celery.signals import worker_init, worker_shutdown
os.environ.setdefault('OGN_CONFIG_MODULE', 'config.default')
config = importlib.import_module(os.environ['OGN_CONFIG_MODULE'])
@worker_init.connect
def connect_db(signal, sender):
# Load settings like DB_URI...
engine = create_engine(config.SQLALCHEMY_DATABASE_URI, echo=False)
Session = sessionmaker(bind=engine)
sender.app.session = Session()
@worker_shutdown.connect
def close_db(signal, sender):
sender.app.session.close()
app = Celery('ogn.collect',
include=["ogn.collect.database",
"ogn.collect.heatmap",
"ogn.collect.logbook",
"ogn.collect.receiver"
])
app.config_from_envvar("OGN_CONFIG_MODULE")