The first five years
Jacob Kaplan-Moss
Google, December 16, 2008
http://jacobian.org/speaking/2008/first-five-years/

“
Good software takes ten years.
Get used to it.
— Joel Spolsky
”
http://www.joelonsoftware.com/articles/fog0000000017.html

Halfway there!
http://flickr.com/photos/usonian/257403571/

Kansas

Merry Slickmas Events Latest Music Movies Food Nightlife
Best bets Upcoming
\"A Benefit for Charley's Finger\" with The
Dactyls / Naomi What?
Charlie Downey is a baller. He's so badass that he
broke his finger in two places when one of his
shots got stuffed
Today at 10:00pm
The Jackpot Music Hall, $5
Today's events Search events
Staph blogs
O Caption! My Caption!
The Dog and Pony Show Loafers of Mass Destruction
13 comments
Hark! The Local Musicians Sing!: New Christmas albums from Sam
Billen and Josh Atkinson Scene Stealers
Sam Billen’s “Merry Christmas” and Josh Atkinson’s “Songs for Christmas” rank right up 'Synecdoche, New York' tackles life’s
there with recent yuletide blessings from Sufjan Stevens and Low. Both albums strip away complexity with complexity

“
In the beginning there was Zope. Zope
was a web application framework ... but
it had some discontents who dared to
call it \"monolithic\" and \"unpythonic\".
And behold, then there came Webware,
and it was Modular.... But others
rebelled ... and a Ton of frameworks
appeared: Quixote ... SkunkWEB ...
”
CherryPy ... and some thirteen others.
— Mike Orr
http://linuxgazette.net/113/orr.html

2003

2008

r36 cms/apps/polls/
r84 cms/core/validators.py
r159 cms/core/paginator.py
r327 cms/apps/auth/
r390 cms/core/urlresolvers.py
r630 cms/core/sites.py

February 2004
circa r1000

cms/apps/polls/poll.py

>>> from cms.apps.polls.polls import Poll
>>> p = Poll(4, \"hi\", date(2004, 1, 1), ...)
>>> p.save()

cms/apps/polls/polls.py

cms/apps/polls/polls.py

cms/apps/polls/dblayout.sql

httpd.conf

cms/conf/mrmustard/polls.py

cms/views/polls/polls.py

Data class Admin view
Data-access function(s) Admin template
Admin URLs

cms/datadescriptions/polls.py

./generate_code.py polls

apps/
polls.py
sql/
polls.sql
views/
admin/
polls.py
templates/
admin/
polls/
change_list.html
add_form.html
change_form.html

cms/utilities/codegeneration/generation.py

cms/datadescriptions/polls.py

DO NOT EDIT THIS FILE MANUALLY.
IT WAS GENERATED BY A PROGRAM.
RE‐RUN THE CODE GENERATOR INSTEAD.

Seven months later...
October 2004

cms/models/polls.py

PyCon 2005

Rails

class Poll(meta.Model):
fields = (
meta.SlugField('slug', 'slug', unique_for_month='pub_dat
meta.CharField('question', 'question', maxlength=255),
meta.DateTimeField('pub_date', 'date published'),
meta.DateTimeField('expire_date', 'expiration date'),
meta.ManyToManyField(core.Site),
meta.PositiveSmallIntegerField('choice_votes', 'choice v
)
db_table = polls
ordering = ('‐pub_date',)
get_latest_by = 'pub_date'

class Poll(meta.Model):
slug = meta.SlugField(unique_for_month='pub_date')
question = meta.CharField(maxlength=255)
pub_date = meta.DateTimeField('date published')
expire_date = meta.DateTimeField('expiration date')
sites = meta.ManyToManyField(core.Site)
choice_votes = meta.PositiveSmallIntegerField(default=1)
class META:
db_table = 'polls'
ordering = ('‐pub_date',)

“ I can't think of any other
backwards-incompatible
changes that we're planning
before 1.0 (knock on wood). If
this isn't the last one, though,
it's at least the last major one.
— Adrian, August 2005
”
http://www.djangoproject.com/weblog/2005/aug/25/modelsyntax/

Before:
from django.models.polls import Poll
After:
from myapp.models import Poll

Before:
... magic! ...
After:
import datetime

Before:
class Poll(meta.Model):
class META:
admin = meta.Admin(
list_display = ('title'),
)
After:
class Poll(meta.Model):
class Admin
list_display = ('title')

Before:
from django.models.polls import polls
polls.get_list(slug__exact='slug')
After:
from polls.models import Poll
Poll.objects.filter(slug='slug')

339 files changed,
22290 insertions(+),
15656 deletions(‐)

“ After this merge,
Django 1.0 can’t be far off.
— Bill de hÓra
”
http://www.dehora.net/journal/2006/04/django_magic_merging.html

“0.95”

django.newforms
django.test

18 months

3,094 commits
+ branches

1,370 from the
community

230 new AUTHORS

2,120 bugs fixed

1,394 files changed,
28,3237 insertions(+),
97,036 deletions(‐)

40,000 lines of new
documentation

4 new full committers

Unicode

QSRF

NFA

GeoDjango

ModelForms

Autoescaping

Django on Jython
(Thanks, Google!)

... and much more ...
http://docs.djangoproject.com/en/dev/releases/1.0/

API stability &
forwards-compatability
http://docs.djangoproject.com/en/dev/misc/api-stability/

Formal release process
http://docs.djangoproject.com/en/dev/internals/release-process/

What’s next?

Django 1.1
March 16, 2009

Django 1.1 Roadmap
http://code.djangoproject.com/wiki/Version1.1Roadmap

ORM aggregation
http://github.com/freakboy3742/django/tree/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')

Improved
QuerySet.update()

>>> Person.objects.update(age=F('age')+1)

Model Validation
http://code.djangoproject.com/ticket/6845

>>> p = Person.objects.get(...)
>>> p.age = ‐7
>>> p.save(validate=True)
Traceback (most recent call last):
File \"<stdin>\", line 1, in <module>
ValidationError: enter a number greater than 0.

Bulk admin actions
http://code.google.com/p/django-batchadmin/

Class-based
generic views

from django.views.generic import DetailView
class PersonView(DetailView):
queryset = Person.objects.all()
def get_template(self, request):
return Template(...)

... and more ...
http://code.djangoproject.com/wiki/Version1.1Roadmap

Please help!
http://code.djangoproject.com/wiki/Version1.1Roadmap#how-you-can-help

Thank you!
jacob@jacobian.org