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(pronounced "djing", with a mostly-silent "d")
Blog entry:
Mailing list:
djng is a micro-framework that depends on a macro-framework (Django).
My definition of a micro-framework: something that lets you create an entire
Python web application in a single module:
import djng
def index(request):
return djng.Response('Hello, world')
if __name__ == '__main__':
djng.serve(index, '', 8888)
Or if you want hello and goodbye URLs, and a custom 404 page:
import djng
app = djng.ErrorWrapper(
(r'^hello$', lambda request: djng.Response('Hello, world')),
(r'^goodbye$', lambda request: djng.Response('Goodbye, world')),
custom_404 = lambda request: djng.Response('404 error', status=404),
custom_500 = lambda request: djng.Response('500 error', status=500)
if __name__ == '__main__':
djng.serve(app, '', 8888)
Under the hood, djng will re-use large amounts of functionality from Django,
while re-imagining various aspects of the framework. A djng request object is
a Django HttpRequest object; a djng response object is a Django HttpResponse.
Django's template language and ORM will be available. Ideally, Django code
will run almost entirely unmodified under djng, and vice versa.
Services, not Settings
I dislike Django's file - I often find I want to reconfigure
settings at run-time, and I'm not comfortable with having arbitrary settings
for so many different aspects of the framework.
djng experiments with /services/ in place of settings. Services are bits of
shared functionality that djng makes available to applications - for example,
caching, templating, ORM-ing and mail-sending.
Most of the stuff that Django sets up in will in djng be set up by
configuring services. These services will be designed to be reconfigured at
run-time, using a mechanism similar to Django middleware.
Some things that live in that really don't belong there -
middleware for example. These will generally be constructed by composing
together a djng application in code.
I'm still figuring out how the syntax for services should work.