Django: The web framework for perfectionists with deadlines.

An introduction to Django given at Future Insights Live 2012 in Las Vegas.

Transcript

1. Jacob Kaplan-Moss jacob@jacobian.org The web framework for perfectionists with deadlines.
7. Kansas
8. Not as bad as you think
9. Lawrence, Kansas
10. Bookstore
11. Music
12. Free state http://www.flickr.com/photos/34022876@N06/3189863029
13. Basketball
14. LJW
15. Adrian/Simon Adrian Holovaty Simon Willison
16. The Inside of Love The Inside of Love Katlyn Conroy explores the idea of home on her solo album "I Think I'll Stay Inside" Next time you see Katlyn Conroy out and about and having fun, tell her to go home. That’s where she makes her best music, and it’s the reason she came up with a lovely new solo Best bets Distant early warnings Your bets Today's events Search events Bad Veins / Division Day This Cincinnati duo — plus a reel-to-reel tape machine named Irene — perform dense pop and rock compositions with strong beats and lots of bells and whistles... Today at 10:00pm The Replay Lounge, $2 - $3 Most discussed Event Sidewise / Left On Northwood / Viper Room Dance Floor / Harlequin Shade Theory Home Events Latest Music Movies Food Nightlife More Login Search
17. The Inside of Love The Inside of Love Katlyn Conroy explores the idea of home on her solo album "I Think I'll Stay Inside" Next time you see Katlyn Conroy out and about and having fun, tell her to go home. That’s where she makes her best music, and it’s the reason she came up with a lovely new solo Best bets Distant early warnings Your bets Today's events Search events Bad Veins / Division Day This Cincinnati duo — plus a reel-to-reel tape machine named Irene — perform dense pop and rock compositions with strong beats and lots of bells and whistles... Today at 10:00pm The Replay Lounge, $2 - $3 Most discussed Event Sidewise / Left On Northwood / Viper Room Dance Floor / Harlequin Shade Theory Home Events Latest Music Movies Food Nightlife More Login Search
18. All the cool buzzwords
19. MP3 Photo by dan taylor - http://flic.kr/p/6bSmJ
20. RSS Photo by Robert Scoble - http://flic.kr/p/5D1bmt
21. Podcasts Photo by Hryck. - http://flic.kr/p/3k2ujF
22. Pictures of drunk college students
23. “Deadwood” edition
24. “Deadwood” edition
25. “Deadwood” edition
26. “Deadwood” edition
27. “Deadwood” edition
28. “Deadwood” edition
29. “Deadwood” edition
30. “Deadwood” edition
31. PHP
32. http://flickr.com/photos/scragz/134084915/
33. http://flickr.com/photos/dnorman/126129736/
34. abs() acos() acosh() addcslashes() addslashes() aggregate() aggregate_info() aggregate_methods() aggregate_methods_by_list() aggregate_methods_by_regexp() aggregate_properties() aggregate_properties_by_list() aggregate_properties_by_regexp( ) aggregation_info() apache_child_terminate() apache_get_modules() apache_get_version() apache_getenv() apache_lookup_uri() apache_note() apache_request_headers() apache_reset_timeout() apache_response_headers() apache_setenv() apc_add() apc_cache_info() apc_clear_cache() apc_compile_file() apc_define_constants() apc_delete() apc_fetch() apc_load_constants() apc_sma_info() apc_store() apd_breakpoint() apd_callstack() apd_clunk() apd_continue() apd_croak() apd_dump_function_table() apd_dump_persistent_resources() apd_dump_regular_resources() apd_echo() apd_get_active_symbols() apd_set_pprof_trace() apd_set_session() apd_set_session_trace() apd_set_socket_session_trace() array() array_change_key_case() array_chunk() array_combine() array_count_values() array_diff() array_diff_assoc() array_diff_key() array_diff_uassoc() array_diff_ukey() array_fill() array_fill_keys() array_filter() array_flip() array_intersect() array_intersect_assoc() array_intersect_key() array_intersect_uassoc() array_intersect_ukey() array_key_exists() array_keys() array_map() array_merge() array_merge_recursive() array_multisort() array_pad() array_pop() array_product() array_push() array_rand() array_reduce() array_reverse() array_search() array_shift() array_slice() array_splice() array_sum() array_udiff() array_udiff_assoc() array_udiff_uassoc() array_uintersect() array_uintersect_assoc() array_uintersect_uassoc() array_unique() array_unshift() array_values() array_walk() array_walk_recursive() ArrayIterator::current() ArrayIterator::key() ArrayIterator::next() ArrayIterator::rewind() ArrayIterator::seek() ArrayIterator::valid() ArrayObject::__construct() ArrayObject::append() ArrayObject::count() ArrayObject::getIterator() ArrayObject::offsetExists() ArrayObject::offsetGet() ArrayObject::offsetSet() ArrayObject::offsetUnset() arsort() ascii2ebcdic()
37. “The CMS”
42. http://flickr.com/photos/malweth/196526482/
44. http://flickr.com/photos/drift-words/48739695/
45. http://flickr.com/photos/goldberg/107095332/
47. Make web development “stupid fast”
48. Automate repetitive tasks
49. Follow best practices
50. “ ” The ink is never dry on these babies. — Adrian Holovaty
51. IPO: July 2005
52. IPO: July 2005
53. Today Photo by jaxxon - http://flic.kr/p/b5LLop
54. http://www.flickr.com/photos/tejedoro_de_luz/3157690060/ 9 years old, 7 as open source.
55. 600+ contributors
56. http://www.flickr.com/photos/aidan_jones/3575000735 Majority of features are community contributed
57. Stable APIs http://www.flickr.com/photos/chris_bell/3164537665/
58. Forward-compatible http://www.flickr.com/photos/tjblackwell/2807009000
59. http://flickr.com/photos/orinrobertjohn/22452221/ What does Django look like?
60. MVC?
61. Photo by Joe Zackry - http://flic.kr/p/6QAwuc
62. Model
63. from django.db import models class Photo(models.Model): image = models.ImageField() title = models.CharField(max_length=150) uploaded = models.DateTimeField()
64. >>> Photo.objects.all() >>> Photo.objects.filter( ... uploaded = datetime.date.today() ... ) >>> Photo.objects.filter( ... title__startswith = "pants", ... uploaded__lte = some_date) ... )
65. from django.contrib import admin from photos.models import Photo admin.site.register(Photo, list_display = ['photo', 'title'], date_hierarchy = 'date_uploaded', )
70. URLs
71. http://flickr.com/photos/rightee/4357183/
72. page.php script.cgi?pageid=144 StoryPage.aspx
73. 0,2097,1-1-30-72-407-4752,00.html
75. photos/ photos/ugly-dog/
76. from photos import views urlpatterns = patterns('', url("^photos/$", views.photo_index), url("^photos/(.+)/$", views.photo_detail), )
77. Views
78. from django.http import HttpResponse def view(request): return HttpResponse("Hello, Vegas!")
79. from photos.models import Photo from django.shortcuts import render def photo_index(request): return render(request, 'photos/index.html', {'photo_list' : Photo.objects.all()} )
80. http://flickr.com/photos/ok-59/32955331/ Templates
82. {% extends "base" %}
83. {% extends "base" %}
84. {% extends "base" %} {% block content %}
85. {% extends "base" %} {% block content %} <h1>{{ photo.title }}</h1>
86. {% extends "base" %} {% block content %} <h1>{{ photo.title }}</h1> <img src="{{ photo.get_image_url }}" />
87. {% extends "base" %} {% block content %} <h1>{{ photo.title }}</h1> <img src="{{ photo.get_image_url }}" /> {% endblock %}
88. Who uses Django?
91. AMD, Canonical, Discovery, Disqus, Google, HP, IBM, Instagram, Intel, Lexis-Nexis, Library of Congress, Mozilla, NASA, National Geographic, the New York Times, Orbitz, PBS, Pinterest, PolitiFact, Rdio, VMWare, Walt Disney, the Washington Post…
92. Why use Django?
94. 66,000 lines of Python 75,000 lines of English
95. In Search of Lost Time 1,500,000 Infinite Jest 484,000 Django 360,000 New Testament 180,000 Your first manuscript 60,000
96. “ ” — Boston Companies using Django http://j.mp/hnOsVl “The documentation and community are second to none.” “[W]e’ve found that people …can get up-to-speed relatively quickly thanks to the excellent documentation…” “Django … provides an excellent developer experience, with great documentation and tutorials…” “Our initial choice … was based on the strength of the Django community and documentation…” “Productive development, good documentation, flexibility, and it just works.”
97. “There’s an app for that” http://www.flickr.com/photos/joelaz/2868356069
98. “ ” GeoDjango … is undoubtedly the most sophisticated GIS functionality in any web framework in any language or platform. — Ted Leung http://bit.ly/Q91EW
99. “ ” Our technical goals are to never lose data, be very fast, and favor boring and faded technologies where possible. A rule of thumb that has worked well for me is that if I'm excited to play around with something, it probably doesn't belong in production. — Maciej Ceglowski http://blog.pinboard.in/2010/01/technical_underpinnings/
101. Join us! http://djangoproject.com/
102. Thank you! Me: Jacob Kaplan-Moss This talk: lanyrd.com/srfzr Contact: jacob@jacobian.org