yell · PyPI

Pluggable notifications for your Python apps.

yell is not a notification storage or delivery backend but a set of APIs that make it easy to add your own delivery mechanisms.

The full documentation is available here.

Using notification decorators

from yell import notify
from yell.decorators import notification

@notification(name = 'buffalo')
def buffalo_printer(message):
    print message

@notification(name = 'buffalo')
def buffalo_saver(message):
    save(message)

notify("buffalo", _("Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo"))

Using notification classes

from yell import Notification, notify

class Buffalo(Notification):
    name = "buffalo"
    message = _("Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo")

    def notify(self, *args, **kwargs):
        print self.message

class BuffaloEmail(Buffalo):
    def notify(self, *args, **kwargs):
        send_mail("Buffalo", self.message, 'buffalo@example.com', [kwargs.get('user').email])

class BuffaloDatabase(Buffalo):
    def notify(self, *args, **kwargs):
        BuffaloModel.objects.create(user = kwargs.get('user'))

# The default behaviour is to use every notification backend with the same
# name
notify("buffalo", user = User.objects.get(id=1))

# Only send emails
notify("buffalo", user = User.objects.get(id=1), backends = [BuffaloEmail])

Changelog

v0.3

backwards incompatible Guessing the file extension with the mimetypes package proved to be inconsistent across systems. TemplatedEmailBackend now makes use of explicitly declared file extensions.

v0.2

Made the API saner to use (backwards incompatible):
- yell.Yell became yell.Notification
- yell.yell became yell.notify
- yell.decorators.yelling became yell.decorators.notification

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