State Of Django

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...

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“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

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

Home Download Documentation Weblog Community Code Django documentation Search 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

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): ...

What’s next?

Django 1.1 April 20ish

Please help!

EuroDjangoCon

US DjangoCon ’09

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

State Of Django

by Jacob Kaplan-Moss on Mar 28, 2009

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State Of Django — Presentation Transcript