isabella232 / nextgisweb_celery

nextgisweb_celery

How to use

• Install to venv

./env/bin/pip install -e ./nextgisweb-celery

• Create config for celery
  celery.ini example:

[celery]
BROKER_URL = redis://localhost:6379/1
RESULT_BACKEND = redis://localhost:6379/2
ACCEPT_CONTENT = ['application/json']
TASK_SERIALIZER = 'json'
RESULT_SERIALIZER = 'json'

• Add path to ngw config
  config.ini example:

...
[celery]
celery_conf_file = /my/path/celery.ini
...

• Create your task in your component
  tasks.py example:

from nextgisweb_celery.app import celery_app as app

@app.task(reject_on_worker_lost=True, soft_time_limit=60*60)
def add(x, y):
    return x+y

• Import your tasks in your component init (DO IT!)
  __init__.py example:

...
from .tasks import add
...

• Use your task in your component
  view.py example:

from .tasks import add

...
add.delay(7,5)
...

• Start celery

./env/bin/celery -A nextgisweb_celery.app.celery_app --ngw-config /my/path/config.ini