Developing With Django

Developing with Django Daniel Ryan http://dryan.com

Some Background

Some Background • Lawrence Journal-World

Some Background • Lawrence Journal-World • Ellington

Some Background • Lawrence Journal-World • Ellington • Pycon 2005

Sites Powered by Django

Acronyms Abound

Acronyms Abound • MTV - Model • Template • View

Acronyms Abound • MTV - Model • Template • View • DRY - Don’t Repeat Yourself

Acronyms Abound • MTV - Model • Template • View • DRY - Don’t Repeat Yourself • ORM - Object-relational Mapping

MTV vs. MVC

MTV vs. MVC • Model = Model

MTV vs. MVC • Model = Model • Template = View

MTV vs. MVC • Model = Model • Template = View • View = Controller

Installing Django

Installing Django • Check out http://dryan.com/articles/snow- leopard-64bit-mamp/#python

Installing Django • Check out http://dryan.com/articles/snow- leopard-64bit-mamp/#python • Python

Installing Django • Check out http://dryan.com/articles/snow- leopard-64bit-mamp/#python • Python • Trunk versus Stable Release

Installing Django • Check out http://dryan.com/articles/snow- leopard-64bit-mamp/#python • Python • Trunk versus Stable Release • Third Party Libraries

A Django Workﬂow

A Django Workﬂow • Create a project

A Django Workﬂow • Create a project • Conﬁgure settings.py

A Django Workflow • Create a project • Configure settings.py • Configure urls.py

A Django Workflow • Create a project • Configure settings.py • Configure urls.py • Create the database tables

A Django Workﬂow

A Django Workﬂow • Create an app

A Django Workﬂow • Create an app • Deﬁne your models

A Django Workﬂow • Create an app • Deﬁne your models • Create the database tables

A Django Workflow • Create an app • Define your models • Create the database tables • Define your urls

A Django Workflow • Create an app • Define your models • Create the database tables • Define your urls • Define your views

A Django Workflow • Create an app • Define your models • Create the database tables • Define your urls • Define your views • Create your templates

Reduce, Reuse, Recycle Django Generic Views

Reduce, Reuse, Recycle Django Generic Views • direct_to_template • archive_today • redirect_to • object_detail (date based) • archive_index • object_list • archive_year • object_detail (list based) • archive_month • create_object • archive_week • update_object • archive_day • delete_object

Django Templates

Django Templates • Just like PHP, except the exact opposite

Django Templates • Just like PHP, except the exact opposite • True separation of logic and presentation

Django Templates • Just like PHP, except the exact opposite • True separation of logic and presentation • Global templates vs. app templates

Django Templates • Just like PHP, except the exact opposite • True separation of logic and presentation • Global templates vs. app templates • Blocks

Django Templates • Just like PHP, except the exact opposite • True separation of logic and presentation • Global templates vs. app templates • Blocks • Tags

Django Templates • Just like PHP, except the exact opposite • True separation of logic and presentation • Global templates vs. app templates • Blocks • Tags • Filters

Built-in Tags

Built-in Tags • autoescape • for • now • block • for ... empty • regroup • comment • if • spaceless • cycle • ifchanged • ssi • debug • ifequal • templatetag • extends • ifnotequal • url • ﬁlter • include • widthratio • ﬁrstof • load • with

Built-in Filters

Built-in Filters • add • escape • length • random • title • addslashes • escapejs • length_is • removetags • truncatewords • capfirst • filesizeformat • linebreaks • rjust • truncatewords_ html • center • first • linebreaksbr • safe • unordered_list • cut • fix_ampersand • linenumbers • safeseq s • upper • date • ljust • slice • floatformat • urlencode • default • lower • slugify • force_escape • urlize • default_if_none • make_list • stringformat • get_digit • urlizetrunc • dictsort • phone2numeri • striptags • iriencode c • wordcount • dictsortreverse • time d • join • pluralize • wordwrap • timesince • divisibleby • last • pprint • yesno • timeuntil

Other Freebies django.contrib

Other Freebies django.contrib • Admin site • E-mail (sending) • Sessions • Authentication • Flatpages • Signals • Cache system • Humanize • Sitemaps • Conditional content • Internationalization • Sites processing • Jython support • Syndication feeds (RSS/ • Comments Atom) • “Local ﬂavor” • Content types • Unicode in Django • Pagination • Cross Site Request • Web design helpers Forgery protection • Redirects • Databrowse • Serialization

Resources

Resources • http://docs.djangoproject.com

Resources • http://docs.djangoproject.com • irc://irc.freenode.net/django

Resources • http://docs.djangoproject.com • irc://irc.freenode.net/django • http://thisweekindjango.com/

Resources • http://docs.djangoproject.com • irc://irc.freenode.net/django • http://thisweekindjango.com/ • http://www.djangosnippets.org/

Resources • http://docs.djangoproject.com • irc://irc.freenode.net/django • http://thisweekindjango.com/ • http://www.djangosnippets.org/ • http://code.djangoproject.com/wiki/Tutorials

Developing With Django

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