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Email async notifications with celery.

Project description

Async notifications

Email notification with celery and administrative view for send email with delay e.g daily

Features

  • Celery integration

  • Administrative view

  • Enqueued mail system and instantly send

  • Problems notification

  • User filter email

  • Template system with template context

  • Send to User, Group or external email

  • Django cms integration (djcms_async_notifications) and standalone.

  • Custom text area widget support

  • Allow send group mail list if it’s defined.

Installation

  1. Install from pip

    $ pip install async_notifications
  2. Insert async_notifications and ajax_select in your settings INSTALLED_APPS

  3. It’s really important set CELERY_MODULE pointing to your project celery file, because it’s needed for assing task to the current project, and configure some default celery options

    from __future__ import absolute_import
    CELERY_MODULE = "demo.celery"
    CELERY_TIMEZONE = TIME_ZONE
    CELERY_ACCEPT_CONTENT = ['pickle', 'json']
    
    from celery.schedules import crontab
    
    CELERYBEAT_SCHEDULE = {
        # execute 12:30 pm
        'send_daily_emails': {
            'task': 'async_notifications.tasks.send_daily',
            'schedule': crontab(minute=30, hour=0),
        },
    }
  4. Configure your email settings, e.g for development

    DEFAULT_FROM_EMAIL="mail@example.com"
    EMAIL_HOST="localhost"
    EMAIL_PORT="1025"
  5. Run migrations

    $ python manage.py migrate

Runing the project

You need to run 3 subsystems for run this app so you need 3 xterm, for this explanation I will use the demo project

  1. Run smtp debug client

    $ python -m smtpd -n -c DebuggingServer localhost:1025
  2. Run celery, if you aren’t setup celery yet see celery documentation.

    $ celery -A demo worker -l info -B
  3. Run django

    $ python manage.py runserver

Usage

Report your context template

from async_notifications.register import update_template_context
context = [
    ('fieldname', 'Field description'),
    ('fieldname2', 'Field description'),
    ...
]
update_template_context("yourcode",  'your email subject', context )

This automátically create a Email template if not found.

Context is list of tuples with the fields available in the template context, this context is add in the same file that have send_email_from_template

Send an email :)

send_email_from_template(code, recipient,
                         context={},
                         enqueued=True,
                         user=None,
                         upfile=None)

Params description:

  • recipient is a list of emails

  • code is the same code register in update_template_context

  • enqueued if False send the email immediately else enqueued to be sended when send email task run.

  • user user how send email

  • upfile attached file in email

Other optional options

Django cms integration

This configuration could help you to integrate with Django CMS.

include in your INSTALLED_APPS:

INSTALLED_APPS = [
    ...
  'async_notifications',
  'async_notifications.djcms_async_notifications',
]

Configure how models and field async_notifications will use, ej. aldryn_people

ASYNC_NOTIFICATION_GROUP = 'aldryn_people.Group'
ASYNC_NOTIFICATION_GROUP_LOOKUP_FIELDS = {
    'order_by': 'translations__name',
    'email': 'email',
    'group_lookup': 'translations__name',
    'display': 'name',
    'filter': ['translations__name__icontains']}


ASYNC_NOTIFICATION_USER = 'aldryn_people.Person'

ASYNC_NOTIFICATION_USER_LOOKUP_FIELDS = {
    'order_by': 'translations__name',
    'display': 'name',
    'filter': [
        'user__first_name__icontains',
        'user__last_name__icontains',
        'translations__name__icontains'],
    'group_lookup': 'groups__translations__name'}

cmsplugin-contact-plus

CONTACT_PLUS_SEND_METHOD = ‘async_notifications.djcms_async_notifications.contact_plus.send_email’ ASYNC_NOTIFICATION_CONTACT_PLUS_EMAIL = ‘email’

Default text area widget

For example using ckeditor widget

ASYNC_NOTIFICATION_TEXT_AREA_WIDGET = ‘ckeditor.widgets.CKEditorWidget’

Project details


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