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Made some improvements/clean-ups to docs/tutorial03.txt

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@430 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Adrian Holovaty 2005-08-08 15:47:57 +00:00
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docs/tutorial03.txt
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@ -9,33 +9,32 @@ application and will focus on creating the public interface -- "views."
.. _Tutorial 2: http://www.djangoproject.com/documentation/tutorial2/ .. _Tutorial 2: http://www.djangoproject.com/documentation/tutorial2/
.. admonition:: Philosophy Philosophy
==========
A view is a "type" of Web page in your Django application that generally A view is a "type" of Web page in your Django application that generally serves
serves a specific function and has a specific template. For example, in a a specific function and has a specific template. For example, in a weblog
weblog application, you might have the following views: application, you might have the following views:
* Blog homepage -- displays the latest few entries. * Blog homepage -- displays the latest few entries.
* Entry "detail" page -- permalink page for a single entry. * Entry "detail" page -- permalink page for a single entry.
* Year-based archive page -- displays all months with entries in the * Year-based archive page -- displays all months with entries in the
given year. given year.
* Month-based archive page -- displays all days with entries in the * Month-based archive page -- displays all days with entries in the
given month. given month.
* Day-based archive page -- displays all entries in the given day. * Day-based archive page -- displays all entries in the given day.
* Comment action -- handles posting comments to a given entry. * Comment action -- handles posting comments to a given entry.
In our poll application, we'll have the following four views: In our poll application, we'll have the following four views:
* Poll "archive" page -- displays the latest few polls.
* Poll "detail" page -- displays a poll question, with no results but
with a form to vote.
* Poll "results" page -- displays results for a particular poll.
* Vote action -- handles voting for a particular choice in a particular
poll.
In Django, each view is represented by a simple Python function.
* Poll "archive" page -- displays the latest few polls.
* Poll "detail" page -- displays a poll question, with no results but
with a form to vote.
* Poll "results" page -- displays results for a particular poll.
* Vote action -- handles voting for a particular choice in a particular
poll.
In Django, each view is represented by a simple Python function.
Design your URLs Design your URLs
================ ================
@ -130,8 +129,8 @@ change the ``settings`` parameter.)
Now go to "http://localhost:8000/polls/" on your domain in your Web browser. Now go to "http://localhost:8000/polls/" on your domain in your Web browser.
You should get a Python traceback with the following error message:: You should get a Python traceback with the following error message::
ViewDoesNotExist: Tried myproject.apps.polls.views.polls.index. ViewDoesNotExist: Could not import myproject.apps.polls.views.polls. Error
No module named polls was: No module named polls
Try "/polls/23/", "/polls/23/results/" and "/polls/23/vote/". The error Try "/polls/23/", "/polls/23/results/" and "/polls/23/vote/". The error
messages should tell you which view Django tried (and failed to find, because messages should tell you which view Django tried (and failed to find, because
@ -379,8 +378,6 @@ URLs and insert an ``include()``::
(r'^polls/', include('myproject.apps.polls.urls.polls')), (r'^polls/', include('myproject.apps.polls.urls.polls')),
Notes:
``include()``, simply, references another URLconf. Note that the regular ``include()``, simply, references another URLconf. Note that the regular
expression doesn't have a ``$`` (end-of-string match character) but has the expression doesn't have a ``$`` (end-of-string match character) but has the
trailing slash. Whenever Django encounters ``include()``, it chops off whatever trailing slash. Whenever Django encounters ``include()``, it chops off whatever