706 lines
28 KiB
Python
706 lines
28 KiB
Python
|
|
import datetime
|
|
|
|
from django import forms
|
|
from django.db import models
|
|
|
|
try:
|
|
sorted
|
|
except NameError:
|
|
from django.utils.itercompat import sorted
|
|
|
|
class Author(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
|
|
class Meta:
|
|
ordering = ('name',)
|
|
|
|
def __unicode__(self):
|
|
return self.name
|
|
|
|
class BetterAuthor(Author):
|
|
write_speed = models.IntegerField()
|
|
|
|
class Book(models.Model):
|
|
author = models.ForeignKey(Author)
|
|
title = models.CharField(max_length=100)
|
|
|
|
def __unicode__(self):
|
|
return self.title
|
|
|
|
class AuthorMeeting(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
authors = models.ManyToManyField(Author)
|
|
created = models.DateField(editable=False)
|
|
|
|
def __unicode__(self):
|
|
return self.name
|
|
|
|
class CustomPrimaryKey(models.Model):
|
|
my_pk = models.CharField(max_length=10, primary_key=True)
|
|
some_field = models.CharField(max_length=100)
|
|
|
|
|
|
# models for inheritance tests.
|
|
|
|
class Place(models.Model):
|
|
name = models.CharField(max_length=50)
|
|
city = models.CharField(max_length=50)
|
|
|
|
def __unicode__(self):
|
|
return self.name
|
|
|
|
class Owner(models.Model):
|
|
auto_id = models.AutoField(primary_key=True)
|
|
name = models.CharField(max_length=100)
|
|
place = models.ForeignKey(Place)
|
|
|
|
def __unicode__(self):
|
|
return "%s at %s" % (self.name, self.place)
|
|
|
|
class Location(models.Model):
|
|
place = models.ForeignKey(Place, unique=True)
|
|
# this is purely for testing the data doesn't matter here :)
|
|
lat = models.CharField(max_length=100)
|
|
lon = models.CharField(max_length=100)
|
|
|
|
class OwnerProfile(models.Model):
|
|
owner = models.OneToOneField(Owner, primary_key=True)
|
|
age = models.PositiveIntegerField()
|
|
|
|
def __unicode__(self):
|
|
return "%s is %d" % (self.owner.name, self.age)
|
|
|
|
class Restaurant(Place):
|
|
serves_pizza = models.BooleanField()
|
|
|
|
def __unicode__(self):
|
|
return self.name
|
|
|
|
class Product(models.Model):
|
|
slug = models.SlugField(unique=True)
|
|
|
|
def __unicode__(self):
|
|
return self.slug
|
|
|
|
class Price(models.Model):
|
|
price = models.DecimalField(max_digits=10, decimal_places=2)
|
|
quantity = models.PositiveIntegerField()
|
|
|
|
def __unicode__(self):
|
|
return u"%s for %s" % (self.quantity, self.price)
|
|
|
|
class Meta:
|
|
unique_together = (('price', 'quantity'),)
|
|
|
|
class MexicanRestaurant(Restaurant):
|
|
serves_tacos = models.BooleanField()
|
|
|
|
# models for testing callable defaults (see bug #7975). If you define a model
|
|
# with a callable default value, you cannot rely on the initial value in a
|
|
# form.
|
|
class Person(models.Model):
|
|
name = models.CharField(max_length=128)
|
|
|
|
class Membership(models.Model):
|
|
person = models.ForeignKey(Person)
|
|
date_joined = models.DateTimeField(default=datetime.datetime.now)
|
|
karma = models.IntegerField()
|
|
|
|
__test__ = {'API_TESTS': """
|
|
|
|
>>> from datetime import date
|
|
|
|
>>> from django.forms.models import modelformset_factory
|
|
|
|
>>> qs = Author.objects.all()
|
|
>>> AuthorFormSet = modelformset_factory(Author, extra=3)
|
|
|
|
>>> formset = AuthorFormSet(queryset=qs)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_form-0-name">Name:</label> <input id="id_form-0-name" type="text" name="form-0-name" maxlength="100" /><input type="hidden" name="form-0-id" id="id_form-0-id" /></p>
|
|
<p><label for="id_form-1-name">Name:</label> <input id="id_form-1-name" type="text" name="form-1-name" maxlength="100" /><input type="hidden" name="form-1-id" id="id_form-1-id" /></p>
|
|
<p><label for="id_form-2-name">Name:</label> <input id="id_form-2-name" type="text" name="form-2-name" maxlength="100" /><input type="hidden" name="form-2-id" id="id_form-2-id" /></p>
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '3', # the number of forms rendered
|
|
... 'form-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
... 'form-0-name': 'Charles Baudelaire',
|
|
... 'form-1-name': 'Arthur Rimbaud',
|
|
... 'form-2-name': '',
|
|
... }
|
|
|
|
>>> formset = AuthorFormSet(data=data, queryset=qs)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
>>> formset.save()
|
|
[<Author: Charles Baudelaire>, <Author: Arthur Rimbaud>]
|
|
|
|
>>> for author in Author.objects.order_by('name'):
|
|
... print author.name
|
|
Arthur Rimbaud
|
|
Charles Baudelaire
|
|
|
|
|
|
Gah! We forgot Paul Verlaine. Let's create a formset to edit the existing
|
|
authors with an extra form to add him. We *could* pass in a queryset to
|
|
restrict the Author objects we edit, but in this case we'll use it to display
|
|
them in alphabetical order by name.
|
|
|
|
>>> qs = Author.objects.order_by('name')
|
|
>>> AuthorFormSet = modelformset_factory(Author, extra=1, can_delete=False)
|
|
|
|
>>> formset = AuthorFormSet(queryset=qs)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_form-0-name">Name:</label> <input id="id_form-0-name" type="text" name="form-0-name" value="Arthur Rimbaud" maxlength="100" /><input type="hidden" name="form-0-id" value="2" id="id_form-0-id" /></p>
|
|
<p><label for="id_form-1-name">Name:</label> <input id="id_form-1-name" type="text" name="form-1-name" value="Charles Baudelaire" maxlength="100" /><input type="hidden" name="form-1-id" value="1" id="id_form-1-id" /></p>
|
|
<p><label for="id_form-2-name">Name:</label> <input id="id_form-2-name" type="text" name="form-2-name" maxlength="100" /><input type="hidden" name="form-2-id" id="id_form-2-id" /></p>
|
|
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '3', # the number of forms rendered
|
|
... 'form-INITIAL_FORMS': '2', # the number of forms with initial data
|
|
... 'form-0-id': '2',
|
|
... 'form-0-name': 'Arthur Rimbaud',
|
|
... 'form-1-id': '1',
|
|
... 'form-1-name': 'Charles Baudelaire',
|
|
... 'form-2-name': 'Paul Verlaine',
|
|
... }
|
|
|
|
>>> formset = AuthorFormSet(data=data, queryset=qs)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
# Only changed or new objects are returned from formset.save()
|
|
>>> formset.save()
|
|
[<Author: Paul Verlaine>]
|
|
|
|
>>> for author in Author.objects.order_by('name'):
|
|
... print author.name
|
|
Arthur Rimbaud
|
|
Charles Baudelaire
|
|
Paul Verlaine
|
|
|
|
|
|
This probably shouldn't happen, but it will. If an add form was marked for
|
|
deltetion, make sure we don't save that form.
|
|
|
|
>>> qs = Author.objects.order_by('name')
|
|
>>> AuthorFormSet = modelformset_factory(Author, extra=1, can_delete=True)
|
|
|
|
>>> formset = AuthorFormSet(queryset=qs)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_form-0-name">Name:</label> <input id="id_form-0-name" type="text" name="form-0-name" value="Arthur Rimbaud" maxlength="100" /></p>
|
|
<p><label for="id_form-0-DELETE">Delete:</label> <input type="checkbox" name="form-0-DELETE" id="id_form-0-DELETE" /><input type="hidden" name="form-0-id" value="2" id="id_form-0-id" /></p>
|
|
<p><label for="id_form-1-name">Name:</label> <input id="id_form-1-name" type="text" name="form-1-name" value="Charles Baudelaire" maxlength="100" /></p>
|
|
<p><label for="id_form-1-DELETE">Delete:</label> <input type="checkbox" name="form-1-DELETE" id="id_form-1-DELETE" /><input type="hidden" name="form-1-id" value="1" id="id_form-1-id" /></p>
|
|
<p><label for="id_form-2-name">Name:</label> <input id="id_form-2-name" type="text" name="form-2-name" value="Paul Verlaine" maxlength="100" /></p>
|
|
<p><label for="id_form-2-DELETE">Delete:</label> <input type="checkbox" name="form-2-DELETE" id="id_form-2-DELETE" /><input type="hidden" name="form-2-id" value="3" id="id_form-2-id" /></p>
|
|
<p><label for="id_form-3-name">Name:</label> <input id="id_form-3-name" type="text" name="form-3-name" maxlength="100" /></p>
|
|
<p><label for="id_form-3-DELETE">Delete:</label> <input type="checkbox" name="form-3-DELETE" id="id_form-3-DELETE" /><input type="hidden" name="form-3-id" id="id_form-3-id" /></p>
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '4', # the number of forms rendered
|
|
... 'form-INITIAL_FORMS': '3', # the number of forms with initial data
|
|
... 'form-0-id': '2',
|
|
... 'form-0-name': 'Arthur Rimbaud',
|
|
... 'form-1-id': '1',
|
|
... 'form-1-name': 'Charles Baudelaire',
|
|
... 'form-2-id': '3',
|
|
... 'form-2-name': 'Paul Verlaine',
|
|
... 'form-3-name': 'Walt Whitman',
|
|
... 'form-3-DELETE': 'on',
|
|
... }
|
|
|
|
>>> formset = AuthorFormSet(data=data, queryset=qs)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
# No objects were changed or saved so nothing will come back.
|
|
>>> formset.save()
|
|
[]
|
|
|
|
>>> for author in Author.objects.order_by('name'):
|
|
... print author.name
|
|
Arthur Rimbaud
|
|
Charles Baudelaire
|
|
Paul Verlaine
|
|
|
|
Let's edit a record to ensure save only returns that one record.
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '4', # the number of forms rendered
|
|
... 'form-INITIAL_FORMS': '3', # the number of forms with initial data
|
|
... 'form-0-id': '2',
|
|
... 'form-0-name': 'Walt Whitman',
|
|
... 'form-1-id': '1',
|
|
... 'form-1-name': 'Charles Baudelaire',
|
|
... 'form-2-id': '3',
|
|
... 'form-2-name': 'Paul Verlaine',
|
|
... 'form-3-name': '',
|
|
... 'form-3-DELETE': '',
|
|
... }
|
|
|
|
>>> formset = AuthorFormSet(data=data, queryset=qs)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
# One record has changed.
|
|
>>> formset.save()
|
|
[<Author: Walt Whitman>]
|
|
|
|
Test the behavior of commit=False and save_m2m
|
|
|
|
>>> meeting = AuthorMeeting.objects.create(created=date.today())
|
|
>>> meeting.authors = Author.objects.all()
|
|
|
|
# create an Author instance to add to the meeting.
|
|
>>> new_author = Author.objects.create(name=u'John Steinbeck')
|
|
|
|
>>> AuthorMeetingFormSet = modelformset_factory(AuthorMeeting, extra=1, can_delete=True)
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '2', # the number of forms rendered
|
|
... 'form-INITIAL_FORMS': '1', # the number of forms with initial data
|
|
... 'form-0-id': '1',
|
|
... 'form-0-name': '2nd Tuesday of the Week Meeting',
|
|
... 'form-0-authors': [2, 1, 3, 4],
|
|
... 'form-1-name': '',
|
|
... 'form-1-authors': '',
|
|
... 'form-1-DELETE': '',
|
|
... }
|
|
>>> formset = AuthorMeetingFormSet(data=data, queryset=AuthorMeeting.objects.all())
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> instances = formset.save(commit=False)
|
|
>>> for instance in instances:
|
|
... instance.created = date.today()
|
|
... instance.save()
|
|
>>> formset.save_m2m()
|
|
>>> instances[0].authors.all()
|
|
[<Author: Charles Baudelaire>, <Author: John Steinbeck>, <Author: Paul Verlaine>, <Author: Walt Whitman>]
|
|
|
|
# delete the author we created to allow later tests to continue working.
|
|
>>> new_author.delete()
|
|
|
|
Test the behavior of max_num with model formsets. It should properly limit
|
|
the queryset to reduce the amount of objects being pulled in when not being
|
|
used.
|
|
|
|
>>> qs = Author.objects.order_by('name')
|
|
|
|
>>> AuthorFormSet = modelformset_factory(Author, max_num=2)
|
|
>>> formset = AuthorFormSet(queryset=qs)
|
|
>>> [sorted(x.items()) for x in formset.initial]
|
|
[[('id', 1), ('name', u'Charles Baudelaire')], [('id', 3), ('name', u'Paul Verlaine')]]
|
|
|
|
>>> AuthorFormSet = modelformset_factory(Author, max_num=3)
|
|
>>> formset = AuthorFormSet(queryset=qs)
|
|
>>> [sorted(x.items()) for x in formset.initial]
|
|
[[('id', 1), ('name', u'Charles Baudelaire')], [('id', 3), ('name', u'Paul Verlaine')], [('id', 2), ('name', u'Walt Whitman')]]
|
|
|
|
# Model inheritance in model formsets ########################################
|
|
|
|
>>> BetterAuthorFormSet = modelformset_factory(BetterAuthor)
|
|
>>> formset = BetterAuthorFormSet()
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_form-0-name">Name:</label> <input id="id_form-0-name" type="text" name="form-0-name" maxlength="100" /></p>
|
|
<p><label for="id_form-0-write_speed">Write speed:</label> <input type="text" name="form-0-write_speed" id="id_form-0-write_speed" /><input type="hidden" name="form-0-author_ptr" id="id_form-0-author_ptr" /></p>
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '1', # the number of forms rendered
|
|
... 'form-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
... 'form-0-author_ptr': '',
|
|
... 'form-0-name': 'Ernest Hemingway',
|
|
... 'form-0-write_speed': '10',
|
|
... }
|
|
|
|
>>> formset = BetterAuthorFormSet(data)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[<BetterAuthor: Ernest Hemingway>]
|
|
>>> hemingway_id = BetterAuthor.objects.get(name="Ernest Hemingway").pk
|
|
|
|
>>> formset = BetterAuthorFormSet()
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_form-0-name">Name:</label> <input id="id_form-0-name" type="text" name="form-0-name" value="Ernest Hemingway" maxlength="100" /></p>
|
|
<p><label for="id_form-0-write_speed">Write speed:</label> <input type="text" name="form-0-write_speed" value="10" id="id_form-0-write_speed" /><input type="hidden" name="form-0-author_ptr" value="..." id="id_form-0-author_ptr" /></p>
|
|
<p><label for="id_form-1-name">Name:</label> <input id="id_form-1-name" type="text" name="form-1-name" maxlength="100" /></p>
|
|
<p><label for="id_form-1-write_speed">Write speed:</label> <input type="text" name="form-1-write_speed" id="id_form-1-write_speed" /><input type="hidden" name="form-1-author_ptr" id="id_form-1-author_ptr" /></p>
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '2', # the number of forms rendered
|
|
... 'form-INITIAL_FORMS': '1', # the number of forms with initial data
|
|
... 'form-0-author_ptr': hemingway_id,
|
|
... 'form-0-name': 'Ernest Hemingway',
|
|
... 'form-0-write_speed': '10',
|
|
... 'form-1-author_ptr': '',
|
|
... 'form-1-name': '',
|
|
... 'form-1-write_speed': '',
|
|
... }
|
|
|
|
>>> formset = BetterAuthorFormSet(data)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[]
|
|
|
|
# Inline Formsets ############################################################
|
|
|
|
We can also create a formset that is tied to a parent model. This is how the
|
|
admin system's edit inline functionality works.
|
|
|
|
>>> from django.forms.models import inlineformset_factory
|
|
|
|
>>> AuthorBooksFormSet = inlineformset_factory(Author, Book, can_delete=False, extra=3)
|
|
>>> author = Author.objects.get(name='Charles Baudelaire')
|
|
|
|
>>> formset = AuthorBooksFormSet(instance=author)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_book_set-0-title">Title:</label> <input id="id_book_set-0-title" type="text" name="book_set-0-title" maxlength="100" /><input type="hidden" name="book_set-0-id" id="id_book_set-0-id" /></p>
|
|
<p><label for="id_book_set-1-title">Title:</label> <input id="id_book_set-1-title" type="text" name="book_set-1-title" maxlength="100" /><input type="hidden" name="book_set-1-id" id="id_book_set-1-id" /></p>
|
|
<p><label for="id_book_set-2-title">Title:</label> <input id="id_book_set-2-title" type="text" name="book_set-2-title" maxlength="100" /><input type="hidden" name="book_set-2-id" id="id_book_set-2-id" /></p>
|
|
|
|
>>> data = {
|
|
... 'book_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
... 'book_set-INITIAL_FORMS': '0', # the number of forms with initial data
|
|
... 'book_set-0-title': 'Les Fleurs du Mal',
|
|
... 'book_set-1-title': '',
|
|
... 'book_set-2-title': '',
|
|
... }
|
|
|
|
>>> formset = AuthorBooksFormSet(data, instance=author)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
>>> formset.save()
|
|
[<Book: Les Fleurs du Mal>]
|
|
|
|
>>> for book in author.book_set.all():
|
|
... print book.title
|
|
Les Fleurs du Mal
|
|
|
|
|
|
Now that we've added a book to Charles Baudelaire, let's try adding another
|
|
one. This time though, an edit form will be available for every existing
|
|
book.
|
|
|
|
>>> AuthorBooksFormSet = inlineformset_factory(Author, Book, can_delete=False, extra=2)
|
|
>>> author = Author.objects.get(name='Charles Baudelaire')
|
|
|
|
>>> formset = AuthorBooksFormSet(instance=author)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_book_set-0-title">Title:</label> <input id="id_book_set-0-title" type="text" name="book_set-0-title" value="Les Fleurs du Mal" maxlength="100" /><input type="hidden" name="book_set-0-id" value="1" id="id_book_set-0-id" /></p>
|
|
<p><label for="id_book_set-1-title">Title:</label> <input id="id_book_set-1-title" type="text" name="book_set-1-title" maxlength="100" /><input type="hidden" name="book_set-1-id" id="id_book_set-1-id" /></p>
|
|
<p><label for="id_book_set-2-title">Title:</label> <input id="id_book_set-2-title" type="text" name="book_set-2-title" maxlength="100" /><input type="hidden" name="book_set-2-id" id="id_book_set-2-id" /></p>
|
|
|
|
>>> data = {
|
|
... 'book_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
... 'book_set-INITIAL_FORMS': '1', # the number of forms with initial data
|
|
... 'book_set-0-id': '1',
|
|
... 'book_set-0-title': 'Les Fleurs du Mal',
|
|
... 'book_set-1-title': 'Le Spleen de Paris',
|
|
... 'book_set-2-title': '',
|
|
... }
|
|
|
|
>>> formset = AuthorBooksFormSet(data, instance=author)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
>>> formset.save()
|
|
[<Book: Le Spleen de Paris>]
|
|
|
|
As you can see, 'Le Spleen de Paris' is now a book belonging to Charles Baudelaire.
|
|
|
|
>>> for book in author.book_set.order_by('id'):
|
|
... print book.title
|
|
Les Fleurs du Mal
|
|
Le Spleen de Paris
|
|
|
|
The save_as_new parameter lets you re-associate the data to a new instance.
|
|
This is used in the admin for save_as functionality.
|
|
|
|
>>> data = {
|
|
... 'book_set-TOTAL_FORMS': '3', # the number of forms rendered
|
|
... 'book_set-INITIAL_FORMS': '2', # the number of forms with initial data
|
|
... 'book_set-0-id': '1',
|
|
... 'book_set-0-title': 'Les Fleurs du Mal',
|
|
... 'book_set-1-id': '2',
|
|
... 'book_set-1-title': 'Le Spleen de Paris',
|
|
... 'book_set-2-title': '',
|
|
... }
|
|
|
|
>>> formset = AuthorBooksFormSet(data, instance=Author(), save_as_new=True)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
>>> new_author = Author.objects.create(name='Charles Baudelaire')
|
|
>>> formset.instance = new_author
|
|
>>> [book for book in formset.save() if book.author.pk == new_author.pk]
|
|
[<Book: Les Fleurs du Mal>, <Book: Le Spleen de Paris>]
|
|
|
|
Test using a custom prefix on an inline formset.
|
|
|
|
>>> formset = AuthorBooksFormSet(prefix="test")
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_test-0-title">Title:</label> <input id="id_test-0-title" type="text" name="test-0-title" maxlength="100" /><input type="hidden" name="test-0-id" id="id_test-0-id" /></p>
|
|
<p><label for="id_test-1-title">Title:</label> <input id="id_test-1-title" type="text" name="test-1-title" maxlength="100" /><input type="hidden" name="test-1-id" id="id_test-1-id" /></p>
|
|
|
|
# Test a custom primary key ###################################################
|
|
|
|
We need to ensure that it is displayed
|
|
|
|
>>> CustomPrimaryKeyFormSet = modelformset_factory(CustomPrimaryKey)
|
|
>>> formset = CustomPrimaryKeyFormSet()
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_form-0-my_pk">My pk:</label> <input id="id_form-0-my_pk" type="text" name="form-0-my_pk" maxlength="10" /></p>
|
|
<p><label for="id_form-0-some_field">Some field:</label> <input id="id_form-0-some_field" type="text" name="form-0-some_field" maxlength="100" /></p>
|
|
|
|
# Custom primary keys with ForeignKey, OneToOneField and AutoField ############
|
|
|
|
>>> place = Place(name=u'Giordanos', city=u'Chicago')
|
|
>>> place.save()
|
|
|
|
>>> FormSet = inlineformset_factory(Place, Owner, extra=2, can_delete=False)
|
|
>>> formset = FormSet(instance=place)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_owner_set-0-name">Name:</label> <input id="id_owner_set-0-name" type="text" name="owner_set-0-name" maxlength="100" /><input type="hidden" name="owner_set-0-auto_id" id="id_owner_set-0-auto_id" /></p>
|
|
<p><label for="id_owner_set-1-name">Name:</label> <input id="id_owner_set-1-name" type="text" name="owner_set-1-name" maxlength="100" /><input type="hidden" name="owner_set-1-auto_id" id="id_owner_set-1-auto_id" /></p>
|
|
|
|
>>> data = {
|
|
... 'owner_set-TOTAL_FORMS': '2',
|
|
... 'owner_set-INITIAL_FORMS': '0',
|
|
... 'owner_set-0-auto_id': '',
|
|
... 'owner_set-0-name': u'Joe Perry',
|
|
... 'owner_set-1-auto_id': '',
|
|
... 'owner_set-1-name': '',
|
|
... }
|
|
>>> formset = FormSet(data, instance=place)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[<Owner: Joe Perry at Giordanos>]
|
|
|
|
>>> formset = FormSet(instance=place)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_owner_set-0-name">Name:</label> <input id="id_owner_set-0-name" type="text" name="owner_set-0-name" value="Joe Perry" maxlength="100" /><input type="hidden" name="owner_set-0-auto_id" value="1" id="id_owner_set-0-auto_id" /></p>
|
|
<p><label for="id_owner_set-1-name">Name:</label> <input id="id_owner_set-1-name" type="text" name="owner_set-1-name" maxlength="100" /><input type="hidden" name="owner_set-1-auto_id" id="id_owner_set-1-auto_id" /></p>
|
|
<p><label for="id_owner_set-2-name">Name:</label> <input id="id_owner_set-2-name" type="text" name="owner_set-2-name" maxlength="100" /><input type="hidden" name="owner_set-2-auto_id" id="id_owner_set-2-auto_id" /></p>
|
|
|
|
>>> data = {
|
|
... 'owner_set-TOTAL_FORMS': '3',
|
|
... 'owner_set-INITIAL_FORMS': '1',
|
|
... 'owner_set-0-auto_id': u'1',
|
|
... 'owner_set-0-name': u'Joe Perry',
|
|
... 'owner_set-1-auto_id': '',
|
|
... 'owner_set-1-name': u'Jack Berry',
|
|
... 'owner_set-2-auto_id': '',
|
|
... 'owner_set-2-name': '',
|
|
... }
|
|
>>> formset = FormSet(data, instance=place)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[<Owner: Jack Berry at Giordanos>]
|
|
|
|
# Ensure a custom primary key that is a ForeignKey or OneToOneField get rendered for the user to choose.
|
|
|
|
>>> FormSet = modelformset_factory(OwnerProfile)
|
|
>>> formset = FormSet()
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_form-0-owner">Owner:</label> <select name="form-0-owner" id="id_form-0-owner">
|
|
<option value="" selected="selected">---------</option>
|
|
<option value="1">Joe Perry at Giordanos</option>
|
|
<option value="2">Jack Berry at Giordanos</option>
|
|
</select></p>
|
|
<p><label for="id_form-0-age">Age:</label> <input type="text" name="form-0-age" id="id_form-0-age" /></p>
|
|
|
|
>>> owner = Owner.objects.get(name=u'Joe Perry')
|
|
>>> FormSet = inlineformset_factory(Owner, OwnerProfile, max_num=1, can_delete=False)
|
|
|
|
>>> formset = FormSet(instance=owner)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_ownerprofile-0-age">Age:</label> <input type="text" name="ownerprofile-0-age" id="id_ownerprofile-0-age" /><input type="hidden" name="ownerprofile-0-owner" id="id_ownerprofile-0-owner" /></p>
|
|
|
|
>>> data = {
|
|
... 'ownerprofile-TOTAL_FORMS': '1',
|
|
... 'ownerprofile-INITIAL_FORMS': '0',
|
|
... 'ownerprofile-0-owner': '',
|
|
... 'ownerprofile-0-age': u'54',
|
|
... }
|
|
>>> formset = FormSet(data, instance=owner)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[<OwnerProfile: Joe Perry is 54>]
|
|
|
|
>>> formset = FormSet(instance=owner)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_ownerprofile-0-age">Age:</label> <input type="text" name="ownerprofile-0-age" value="54" id="id_ownerprofile-0-age" /><input type="hidden" name="ownerprofile-0-owner" value="1" id="id_ownerprofile-0-owner" /></p>
|
|
|
|
>>> data = {
|
|
... 'ownerprofile-TOTAL_FORMS': '1',
|
|
... 'ownerprofile-INITIAL_FORMS': '1',
|
|
... 'ownerprofile-0-owner': u'1',
|
|
... 'ownerprofile-0-age': u'55',
|
|
... }
|
|
>>> formset = FormSet(data, instance=owner)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[<OwnerProfile: Joe Perry is 55>]
|
|
|
|
# ForeignKey with unique=True should enforce max_num=1
|
|
|
|
>>> FormSet = inlineformset_factory(Place, Location, can_delete=False)
|
|
>>> formset = FormSet(instance=place)
|
|
>>> for form in formset.forms:
|
|
... print form.as_p()
|
|
<p><label for="id_location_set-0-lat">Lat:</label> <input id="id_location_set-0-lat" type="text" name="location_set-0-lat" maxlength="100" /></p>
|
|
<p><label for="id_location_set-0-lon">Lon:</label> <input id="id_location_set-0-lon" type="text" name="location_set-0-lon" maxlength="100" /><input type="hidden" name="location_set-0-id" id="id_location_set-0-id" /></p>
|
|
|
|
# Foreign keys in parents ########################################
|
|
|
|
>>> from django.forms.models import _get_foreign_key
|
|
|
|
>>> type(_get_foreign_key(Restaurant, Owner))
|
|
<class 'django.db.models.fields.related.ForeignKey'>
|
|
>>> type(_get_foreign_key(MexicanRestaurant, Owner))
|
|
<class 'django.db.models.fields.related.ForeignKey'>
|
|
|
|
# unique/unique_together validation ###########################################
|
|
|
|
>>> FormSet = modelformset_factory(Product, extra=1)
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '1',
|
|
... 'form-INITIAL_FORMS': '0',
|
|
... 'form-0-slug': 'car-red',
|
|
... }
|
|
>>> formset = FormSet(data)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[<Product: car-red>]
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '1',
|
|
... 'form-INITIAL_FORMS': '0',
|
|
... 'form-0-slug': 'car-red',
|
|
... }
|
|
>>> formset = FormSet(data)
|
|
>>> formset.is_valid()
|
|
False
|
|
>>> formset.errors
|
|
[{'slug': [u'Product with this Slug already exists.']}]
|
|
|
|
# unique_together
|
|
|
|
>>> FormSet = modelformset_factory(Price, extra=1)
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '1',
|
|
... 'form-INITIAL_FORMS': '0',
|
|
... 'form-0-price': u'12.00',
|
|
... 'form-0-quantity': '1',
|
|
... }
|
|
>>> formset = FormSet(data)
|
|
>>> formset.is_valid()
|
|
True
|
|
>>> formset.save()
|
|
[<Price: 1 for 12.00>]
|
|
|
|
>>> data = {
|
|
... 'form-TOTAL_FORMS': '1',
|
|
... 'form-INITIAL_FORMS': '0',
|
|
... 'form-0-price': u'12.00',
|
|
... 'form-0-quantity': '1',
|
|
... }
|
|
>>> formset = FormSet(data)
|
|
>>> formset.is_valid()
|
|
False
|
|
>>> formset.errors
|
|
[{'__all__': [u'Price with this Price and Quantity already exists.']}]
|
|
|
|
# Use of callable defaults (see bug #7975).
|
|
|
|
>>> person = Person.objects.create(name='Ringo')
|
|
>>> FormSet = inlineformset_factory(Person, Membership, can_delete=False, extra=1)
|
|
>>> formset = FormSet(instance=person)
|
|
|
|
# Django will render a hidden field for model fields that have a callable
|
|
# default. This is required to ensure the value is tested for change correctly
|
|
# when determine what extra forms have changed to save.
|
|
|
|
>>> form = formset.forms[0] # this formset only has one form
|
|
>>> now = form.fields['date_joined'].initial
|
|
>>> print form.as_p()
|
|
<p><label for="id_membership_set-0-date_joined">Date joined:</label> <input type="text" name="membership_set-0-date_joined" value="..." id="id_membership_set-0-date_joined" /><input type="hidden" name="initial-membership_set-0-date_joined" value="..." id="id_membership_set-0-date_joined" /></p>
|
|
<p><label for="id_membership_set-0-karma">Karma:</label> <input type="text" name="membership_set-0-karma" id="id_membership_set-0-karma" /><input type="hidden" name="membership_set-0-id" id="id_membership_set-0-id" /></p>
|
|
|
|
# test for validation with callable defaults. Validations rely on hidden fields
|
|
|
|
>>> data = {
|
|
... 'membership_set-TOTAL_FORMS': '1',
|
|
... 'membership_set-INITIAL_FORMS': '0',
|
|
... 'membership_set-0-date_joined': unicode(now.strftime('%Y-%m-%d %H:%M:%S')),
|
|
... 'initial-membership_set-0-date_joined': unicode(now.strftime('%Y-%m-%d %H:%M:%S')),
|
|
... 'membership_set-0-karma': '',
|
|
... }
|
|
>>> formset = FormSet(data, instance=person)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
# now test for when the data changes
|
|
|
|
>>> one_day_later = now + datetime.timedelta(days=1)
|
|
>>> filled_data = {
|
|
... 'membership_set-TOTAL_FORMS': '1',
|
|
... 'membership_set-INITIAL_FORMS': '0',
|
|
... 'membership_set-0-date_joined': unicode(one_day_later.strftime('%Y-%m-%d %H:%M:%S')),
|
|
... 'initial-membership_set-0-date_joined': unicode(now.strftime('%Y-%m-%d %H:%M:%S')),
|
|
... 'membership_set-0-karma': '',
|
|
... }
|
|
>>> formset = FormSet(filled_data, instance=person)
|
|
>>> formset.is_valid()
|
|
False
|
|
|
|
# now test with split datetime fields
|
|
|
|
>>> class MembershipForm(forms.ModelForm):
|
|
... date_joined = forms.SplitDateTimeField(initial=now)
|
|
... class Meta:
|
|
... model = Membership
|
|
... def __init__(self, **kwargs):
|
|
... super(MembershipForm, self).__init__(**kwargs)
|
|
... self.fields['date_joined'].widget = forms.SplitDateTimeWidget()
|
|
|
|
>>> FormSet = inlineformset_factory(Person, Membership, form=MembershipForm, can_delete=False, extra=1)
|
|
>>> data = {
|
|
... 'membership_set-TOTAL_FORMS': '1',
|
|
... 'membership_set-INITIAL_FORMS': '0',
|
|
... 'membership_set-0-date_joined_0': unicode(now.strftime('%Y-%m-%d')),
|
|
... 'membership_set-0-date_joined_1': unicode(now.strftime('%H:%M:%S')),
|
|
... 'initial-membership_set-0-date_joined': unicode(now.strftime('%Y-%m-%d %H:%M:%S')),
|
|
... 'membership_set-0-karma': '',
|
|
... }
|
|
>>> formset = FormSet(data, instance=person)
|
|
>>> formset.is_valid()
|
|
True
|
|
|
|
|
|
"""}
|