The State of Django
Jacob Kaplan-Moss
PyCon, March 27, 2009
http://jacobian.org/speaking/2009/state-of-django/

Happy five years!

Since PyCon 2008...

7,000

14,000

QSRF
NFA

Merged

“Dude, we should
totally have a big Django
meetup some time!”

Developing reusable apps
James Bennett
! !
PyCon Chicago, March 15, 2008

Django 0.96
Over one year old

1.0

Unicode
http://docs.djangoproject.com/en/dev/ref/unicode/

Home Download Documentation Weblog Community Code
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Everything you need to know about Django (and then Search
some).
Latest 1.0 0.96
All
First steps
Getting help
Overview
Browse
Having trouble? We’d like to
See what writing a database-driven
help! Table of contents
application with Django looks like.
General Index
Try the FAQ – it’s got
Installation
Global Module Index
answers to many common
Get Django installed on your computer.
questions.
Looking for specific You are here:
Tutorial: Writing your first information? Try the Index,
Django v1.0 documentation
Django application Module Index or the detailed
table of contents. Django documentation
Part 1
Search for information in the
Start a project, create models and play
Last update:
archives of the django-users
with the database API.
mailing list, or post a September 12, 2008, noon (CDT)
docs.djangoproject.com
Part 2 question.
Explore the automatically-generated Ask a question in the
admin site. #django IRC channel, or
search the IRC logs to see if
Part 3
its been asked before.

48 languages

Signals

0.96

1.0

QSRF

Oracle

Pluggable file storage
http://docs.djangoproject.com/env/dev/howto/custom-file-storage/

newforms

ModelForms
http://docs.djangoproject.com/en/dev/topics/forms/modelforms/

Formsets
http://docs.djangoproject.com/en/dev/forms/formsets/

Session backends
http://docs.djangoproject.com/en/dev/topics/http/sessions/

File uploads: less FAIL

autoescape

Databrowse
http://docs.djangoproject.com/en/dev/ref/contrib/databrowse/

Databrowse
Reporters John Doe, Jane Smith, Eric Jones, More !
Articles Dog bites man, Man bites dog, More !

Databrowse
Home / Reporters / Jane Smith
Reporter: Jane Smith
ID 2
Name Jane Smith
Email jsmith@example.net
Appears in quot;reporterquot; in the following articles:
Dog bites man

django wiki mercurial docs presentations vmware (user: geo, pass: where2.0)
A world-class geographic web framework
GeoDjango

newforms-admin

Jython
PyPy
IronPython*

et cetera

Django 1.1 beta
now available

What’s new in 1.1?
http://docs.djangoproject.com/en/dev/releases/1.1-alpha-1/
http://docs.djangoproject.com/en/dev/releases/1.1-beta-1/

ORM aggregation
http://docs.djangoproject.com/en/dev/topics/db/aggregation/

>>> Book.objects.aggregate(
... Avg('price'),
... highest_price = Max('price'))
{'price_avg': 45.0, 'highest_price': 82.80}

>>> Author.objects.aggregate(Sum('book__price'))
{'book_price_sum': 442}

>>> books = Book.objects.annotate(Max('authors__age'))
>>> books[0].name
u'Python Web Development With Django'
>>> books[0].authors.all()
[<Author: Jeffrey Forcier >, <Author: Paul Bissex>,
<Author: Wesley J. Chun>]
>>> books[0].authors__age__max
37.0

Publisher.objects.annotate(num_books=Count('book__id'))
.filter(num_books__gt=1)
.order_by('num_books')

Query Expressions
http://docs.djangoproject.com/en/dev/topics/db/queries/#query-expressions

>>> Poll.objects.update(votes = F('votes') + 1)

Test faster

Unmanaged models

class Person(models.Model):
...
class Meta:
managed = False

Proxy models

from django.contrib.auth import User
class EmotionalUser(User):
class Meta:
proxy = True
def is_angry(self):
return self.username == 'hulk'

Deferred fields

>>> Story.objects.filter(...).defer('body')

Conditional View Processing
http://docs.djangoproject.com/en/dev/topics/conditional-view-processing

def latest_entry(request):
return Entry.objects.aggregate(Max('published'))
@last_modified(latest_entry)
def front_page(request):
...

Admin

What’s next?

Django 1.1
April 20ish

Please help!

GSoC

EuroDjangoCon

US DjangoCon ’09

1.2

Py3k

Thank you!
Jacob Kaplan-Moss
<jacob@jacobian.org>
BoF: 2:30pm today