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A database backed job scheduler for Django RQ

Project description

# Django RQ Scheduler

A database backed job scheduler for Django RQ.

## Requirements

Currently, when you pip install Django RQ Scheduler the following packages are also installed.

* django >= 1.9
* django-model-utils >= 2.4
* django-rq >= 0.9 (Django RQ requires RQ >= 0.5.5)
* rq_scheduler >= 0.5.1
* pytz >= 2015.7

Testing also requires:

* factory_boy >= 2.6.1
* psycopg2 >= 2.6.1


## Usage

### Install

Use pip to install:

```
pip install django-rq-scheduler
```


### Update Django Settings

1. In `settings.py`, add `django_rq` and `scheduler` to `INSTALLED_APPS`:

```

INSTALLED_APPS = [
...
'django_rq',
'scheduler',
...
]


```

2. Configure Django RQ. See https://github.com/ui/django-rq#installation


### Migrate

The last step is migrate the database:

```
./manage.py migrate
```

## Creating a Job

See http://python-rq.org/docs/jobs/ or https://github.com/ui/django-rq#job-decorator

An example:

**myapp.jobs.py**

```
@job
def count():
return 1 + 1
```

## Scheduling a Job

### Scheduled Job

1. Sign into the Django Admin site, http://localhost:8000/admin/ and locate the **Django RQ Scheduler** section.

2. Click on the **Add** link for Scheduled Job.

3. Enter a unique name for the job in the **Name** field.

4. In the **Callable** field, enter a Python dot notation path to the method that defines the job. For the example above, that would be `myapp.jobs.count`

5. Choose your **Queue**. Side Note: The queues listed are defined in the Django Settings.

6. Enter the time the job is to be executed in the **Scheduled time** field. Side Note: Enter the date via the browser's local timezone, the time will automatically convert UTC.

7. Click the **Save** button to schedule the job.

### Repeatable Job

1. Sign into the Django Admin site, http://localhost:8000/admin/ and locate the **Django RQ Scheduler** section.

2. Click on the **Add** link for Repeatable Job

3. Enter a unique name for the job in the **Name** field.

4. In the **Callable** field, enter a Python dot notation path to the method that defines the job. For the example above, that would be `myapp.jobs.count`

5. Choose your **Queue**. Side Note: The queues listed are defined in the Django Settings.

6. Enter the time the first job is to be executed in the **Scheduled time** field. Side Note: Enter the date via the browser's local timezone, the time will automatically convert UTC.

7. Enter an **Interval**, and choose the **Interval unit**. This will calculate the time before the function is called again.

8. In the **Repeat** field, enter the number of time the job is to be ran. Leaving the field empty, means the job will be scheduled to run forever.

9. Click the **Save** button to schedule the job.


## Reporting issues or Features

Please report issues via [GitHub Issues](https://github.com/istrategylabs/django-rq-scheduler/issues) .

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