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carotte 0.2.0

Carotte is a very lightweight Celery on zmq

Carotte is a very lightweight Celery on zmq.

Install

pip install carotte

Getting started

Create your app.py:

from carotte import Carotte

my_app = Carotte()

@my_app.task
def hello_world(name):
    return 'Hello %s!' % name

Run your worker (default on “tcp://127.0.0.1:5550”):

carotte worker --app app:my_app

Run tasks:

>>> from app import hello_world
>>> t = hello_world.delay(['Carotte'])
>>> t.success
>>> True
>>> t.result
>>> 'Hello Carotte!'

Or run a client (if don’t have tasks on your system):

>>> from carotte import Client
>>> client = Client()
>>> task = client.run_task('hello_world', ['Carotte'])
>>> task.success
>>> True
>>> task.result
>>> 'Hello Carotte!'

Scheduled tasks

Carotte is not a scheduler, its an asynchronous tasks runner. But you can really set up scheduled tasks with schedule.

Your app.py:

import requests
from carotte import Carotte

my_app = Carotte()

@app.task
def get(url):
    r = requests.get(url)
    if r.status_code != 200:
        # Do stuff
        return False
    return True

Your scheduler.py:

import time
import schedule
from app import get

schedule.every(10).seconds.do(get, 'http://google.com')

while True:
    schedule.run_pending()
    time.sleep(1)

Run your worker and your scheduler:

carotte worker --app app:my_app
python scheduler.py
 
File Type Py Version Uploaded on Size
carotte-0.2.0.tar.gz (md5) Source 2014-05-30 7KB
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