models.py
# -*- coding: utf-8 -*-
from gtools import models
class Poll(models.Model):
question = models.CharField(max_length=200)
pub_date = models.DateTimeField(u"date published")
@question.setter
def question(self, value):
if value[-1] != u"?":
raise models.ValidationError(u"Your question should end with a question mark.")
self.set_value('question', value)
class Meta:
protected = ['pub_date']
def __unicode__(self):
return self.question
class Choice(models.Model):
poll = models.ForeignKey(Poll)
choice = models.CharField(max_length=200)
votes = models.IntegerField()
class Meta:
accessible = ['choice']
def __unicode__(self):
return self.choicePlaying with these models :
poll = Poll(question="What's up ?", choice_set=[{'choice': 'Not much'}, {'choice': 'Just hacking again'}])
poll.question
# What's up ?
poll.choice_set.all()
# QuerySet(<Choice: Not much>, <Choice: Just hacking again>)
poll.save() # saves poll and its choices
poll.question = "What's new ?"
poll.save() # saves poll, but not its choices because they are not modified !views.py
# -*- coding: utf-8 -*-
from poll.models import Poll
import gtools
class PollViews(gtools.Views):
# request is an instance variable, we can access it everywhere !
@gtools.html # access with html
def add(self):
return {
'object': Poll()
}
@gtools.redirect
def create(self):
return {
'object': Poll.objects.create(**self.request.POST)
}
@gtools.html("poll_form.html")
def change(self, id):
pass
# I want to see the list with html, xml and json !
@gtools.html
@gtools.xml
@gtools.json
def list(self):
return {
'object_list': Poll.objects.all()
}poll_form.html
{% load gtools %}
<html>
<head>
<title>Edit poll</title>
</head>
<body>
<h1>Edit poll</h1>
<form method="post" action=".">
{% ginput object.question %}
{% gsubmit "save" %}
</form>
</body>
</html>And finaly, in the urls.py
from django.conf.urls import pattern, include
from polls.views import PollViews
patterns = pattern(
'',
(r'^polls/', include(PollViews.patterns(), namespace="polls", app_name="polls")),
)