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