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beatserver

Beat Server

Build Status PyPI version

Beatserver, a periodic task scheduler for django channels | beta software

How to install

Prerequirements:

Follow django channels documentation on howto install channels.

Install beatserver:

pip install -U beatserver

Configurations:

Add beatserver to INSTALLED_APPS in settings.py:

INSTALLED_APPS = [
    'beatserver',
    'channels',
    '...'
]

beatconfig.py

from datetime import timedelta

BEAT_SCHEDULE = {
    'testing-print': [
        {
            # will call test_print method of PrintConsumer
            'type': 'test.print',
            # message to pass to the consumer
            'message': {'testing': 'one'},
            # Every 5 seconds
            'schedule': timedelta(seconds=5)
        },
        {
            'type': 'test.print',
            'message': {'testing': 'two'},
            # Precisely at 3AM on Monday
            'schedule': '0 3 * * 1' 
        },
    ]
}

Schedules can be specified as timedeltas for running tasks on specified intervals, or as cron-syntax strings for running tasks on exact schedules.

routing.py

application = ProtocolTypeRouter({
    "channel": ChannelNameRouter({
        "testing-print": PrintConsumer,
    }),
})

consumers.py

from channels.consumer import SyncConsumer

class PrintConsumer(SyncConsumer):
    def test_print(self, message):
        print(message)

How to run:

python manage.py beatserver

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