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[1.7.x] Fixed #17642 -- Added min_num support to modelformsets, inlines, and the admin.
Thanks Stephen Burrows for work on the patch as well.
This commit is contained in:
Anders Steinlein
Tim Graham
parent
93d5b0d5b6
commit
2914f66983
@ -850,6 +850,7 @@ class InlineModelAdminChecks(BaseModelAdminChecks):
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errors.extend(self._check_exclude_of_parent_model(cls, parent_model))
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errors.extend(self._check_extra(cls))
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errors.extend(self._check_max_num(cls))
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errors.extend(self._check_min_num(cls))
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errors.extend(self._check_formset(cls))
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return errors
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@ -909,12 +910,22 @@ class InlineModelAdminChecks(BaseModelAdminChecks):
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else:
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return []
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def _check_min_num(self, cls):
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""" Check that min_num is an integer. """
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if cls.min_num is None:
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return []
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elif not isinstance(cls.min_num, int):
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return must_be('an integer', option='min_num', obj=cls, id='admin.E205')
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else:
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return []
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def _check_formset(self, cls):
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""" Check formset is a subclass of BaseModelFormSet. """
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if not issubclass(cls.formset, BaseModelFormSet):
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return must_inherit_from(parent='BaseModelFormSet', option='formset',
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obj=cls, id='admin.E205')
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obj=cls, id='admin.E206')
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else:
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return []
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@ -1707,6 +1707,7 @@ class InlineModelAdmin(BaseModelAdmin):
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fk_name = None
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formset = BaseInlineFormSet
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extra = 3
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min_num = None
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max_num = None
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template = None
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verbose_name = None
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@ -1739,6 +1740,10 @@ class InlineModelAdmin(BaseModelAdmin):
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"""Hook for customizing the number of extra inline forms."""
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return self.extra
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def get_min_num(self, request, obj=None, **kwargs):
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"""Hook for customizing the min number of inline forms."""
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return self.min_num
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def get_max_num(self, request, obj=None, **kwargs):
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"""Hook for customizing the max number of extra inline forms."""
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return self.max_num
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@ -1770,6 +1775,7 @@ class InlineModelAdmin(BaseModelAdmin):
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"exclude": exclude,
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"formfield_callback": partial(self.formfield_for_dbfield, request=request),
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"extra": self.get_extra(request, obj, **kwargs),
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"min_num": self.get_min_num(request, obj, **kwargs),
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"max_num": self.get_max_num(request, obj, **kwargs),
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"can_delete": can_delete,
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}
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@ -119,6 +119,7 @@ class GenericInlineModelAdmin(InlineModelAdmin):
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"can_delete": can_delete,
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"can_order": False,
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"fields": fields,
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"min_num": self.min_num,
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"max_num": self.max_num,
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"exclude": exclude
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}
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@ -56,9 +56,9 @@ def generic_inlineformset_factory(model, form=ModelForm,
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ct_field="content_type", fk_field="object_id",
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fields=None, exclude=None,
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extra=3, can_order=False, can_delete=True,
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max_num=None,
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formfield_callback=None, validate_max=False,
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for_concrete_model=True):
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max_num=None, formfield_callback=None,
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validate_max=False, for_concrete_model=True,
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min_num=None, validate_min=False):
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"""
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Returns a ``GenericInlineFormSet`` for the given kwargs.
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@ -81,7 +81,8 @@ def generic_inlineformset_factory(model, form=ModelForm,
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formset=formset,
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extra=extra, can_delete=can_delete, can_order=can_order,
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fields=fields, exclude=exclude, max_num=max_num,
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validate_max=validate_max)
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validate_max=validate_max, min_num=min_num,
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validate_min=validate_min)
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FormSet.ct_field = ct_field
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FormSet.ct_fk_field = fk_field
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FormSet.for_concrete_model = for_concrete_model
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@ -810,7 +810,8 @@ def modelformset_factory(model, form=ModelForm, formfield_callback=None,
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formset=BaseModelFormSet, extra=1, can_delete=False,
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can_order=False, max_num=None, fields=None, exclude=None,
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widgets=None, validate_max=False, localized_fields=None,
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labels=None, help_texts=None, error_messages=None):
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labels=None, help_texts=None, error_messages=None,
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min_num=None, validate_min=False):
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"""
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Returns a FormSet class for the given Django model class.
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"""
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@ -833,9 +834,9 @@ def modelformset_factory(model, form=ModelForm, formfield_callback=None,
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formfield_callback=formfield_callback,
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widgets=widgets, localized_fields=localized_fields,
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labels=labels, help_texts=help_texts, error_messages=error_messages)
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FormSet = formset_factory(form, formset, extra=extra, max_num=max_num,
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FormSet = formset_factory(form, formset, extra=extra, min_num=min_num, max_num=max_num,
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can_order=can_order, can_delete=can_delete,
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validate_max=validate_max)
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validate_min=validate_min, validate_max=validate_max)
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FormSet.model = model
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return FormSet
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@ -979,7 +980,8 @@ def inlineformset_factory(parent_model, model, form=ModelForm,
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fields=None, exclude=None, extra=3, can_order=False,
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can_delete=True, max_num=None, formfield_callback=None,
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widgets=None, validate_max=False, localized_fields=None,
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labels=None, help_texts=None, error_messages=None):
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labels=None, help_texts=None, error_messages=None,
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min_num=None, validate_min=False):
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"""
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Returns an ``InlineFormSet`` for the given kwargs.
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@ -999,8 +1001,10 @@ def inlineformset_factory(parent_model, model, form=ModelForm,
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'can_order': can_order,
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'fields': fields,
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'exclude': exclude,
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'min_num': min_num,
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'max_num': max_num,
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'widgets': widgets,
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'validate_min': validate_min,
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'validate_max': validate_max,
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'localized_fields': localized_fields,
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'labels': labels,
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@ -204,7 +204,8 @@ inline on a :class:`~django.contrib.admin.ModelAdmin`.
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* **admin.E202**: ``<model>`` has no ForeignKey to ``<parent model>``./``<model>`` has more than one ForeignKey to ``<parent model>``.
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* **admin.E203**: The value of ``extra`` must be an integer.
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* **admin.E204**: The value of ``max_num`` must be an integer.
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* **admin.E205**: The value of ``formset`` must inherit from ``BaseModelFormSet``.
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* **admin.E205**: The value of ``min_num`` must be an integer.
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* **admin.E206**: The value of ``formset`` must inherit from ``BaseModelFormSet``.
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GenericInlineModelAdmin
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~~~~~~~~~~~~~~~~~~~~~~~
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@ -1994,6 +1994,16 @@ The ``InlineModelAdmin`` class adds:
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:meth:`InlineModelAdmin.get_max_num` also allows you to customize the
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maximum number of extra forms.
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.. attribute:: InlineModelAdmin.min_num
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.. versionadded:: 1.7
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This controls the minimum number of forms to show in the inline.
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See :func:`~django.forms.models.modelformset_factory` for more information.
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:meth:`InlineModelAdmin.get_min_num` also allows you to customize the
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minimum number of displayed forms.
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.. attribute:: InlineModelAdmin.raw_id_fields
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By default, Django's admin uses a select-box interface (<select>) for
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@ -2074,6 +2084,16 @@ The ``InlineModelAdmin`` class adds:
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return max_num - 5
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return max_num
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.. method:: InlineModelAdmin.get_min_num(request, obj=None, **kwargs)
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.. versionadded:: 1.7
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Returns the minimum number of inline forms to use. By default,
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returns the :attr:`InlineModelAdmin.min_num` attribute.
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Override this method to programmatically determine the minimum number of
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inline forms. For example, this may be based on the model instance
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(passed as the keyword argument ``obj``).
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Working with a model with two or more foreign keys to the same parent model
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---------------------------------------------------------------------------
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@ -500,7 +500,7 @@ The :mod:`django.contrib.contenttypes.forms` module provides:
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This class used to be defined in ``django.contrib.contenttypes.generic``.
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.. function:: generic_inlineformset_factory(model, form=ModelForm, formset=BaseGenericInlineFormSet, ct_field="content_type", fk_field="object_id", fields=None, exclude=None, extra=3, can_order=False, can_delete=True, max_num=None, formfield_callback=None, validate_max=False, for_concrete_model=True)
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.. function:: generic_inlineformset_factory(model, form=ModelForm, formset=BaseGenericInlineFormSet, ct_field="content_type", fk_field="object_id", fields=None, exclude=None, extra=3, can_order=False, can_delete=True, max_num=None, formfield_callback=None, validate_max=False, for_concrete_model=True, min_num=None, validate_min=False)
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Returns a ``GenericInlineFormSet`` using
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:func:`~django.forms.models.modelformset_factory`.
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@ -521,6 +521,10 @@ The :mod:`django.contrib.contenttypes.forms` module provides:
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This function used to be defined in ``django.contrib.contenttypes.generic``.
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.. versionchanged:: 1.7
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``min_num`` and ``validate_min`` were added.
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.. module:: django.contrib.contenttypes.admin
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@ -45,7 +45,7 @@ Model Form Functions
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The ``localized_fields``, ``labels``, ``help_texts``, and
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``error_messages`` parameters were added.
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.. function:: modelformset_factory(model, form=ModelForm, formfield_callback=None, formset=BaseModelFormSet, extra=1, can_delete=False, can_order=False, max_num=None, fields=None, exclude=None, widgets=None, validate_max=False, localized_fields=None, labels=None, help_texts=None, error_messages=None)
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.. function:: modelformset_factory(model, form=ModelForm, formfield_callback=None, formset=BaseModelFormSet, extra=1, can_delete=False, can_order=False, max_num=None, fields=None, exclude=None, widgets=None, validate_max=False, localized_fields=None, labels=None, help_texts=None, error_messages=None, min_num=None, validate_min=False)
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Returns a ``FormSet`` class for the given ``model`` class.
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@ -66,7 +66,7 @@ Model Form Functions
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The ``widgets``, ``validate_max``, ``localized_fields``, ``labels``,
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``help_texts``, and ``error_messages`` parameters were added.
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.. function:: inlineformset_factory(parent_model, model, form=ModelForm, formset=BaseInlineFormSet, fk_name=None, fields=None, exclude=None, extra=3, can_order=False, can_delete=True, max_num=None, formfield_callback=None, widgets=None, validate_max=False, localized_fields=None, labels=None, help_texts=None, error_messages=None)
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.. function:: inlineformset_factory(parent_model, model, form=ModelForm, formset=BaseInlineFormSet, fk_name=None, fields=None, exclude=None, extra=3, can_order=False, can_delete=True, max_num=None, formfield_callback=None, widgets=None, validate_max=False, localized_fields=None, labels=None, help_texts=None, error_messages=None, min_num=None, validate_min=False)
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Returns an ``InlineFormSet`` using :func:`modelformset_factory` with
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defaults of ``formset=``:class:`~django.forms.models.BaseInlineFormSet`,
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@ -1,13 +1,14 @@
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from __future__ import unicode_literals
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from django.contrib.admin import TabularInline, ModelAdmin
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from django.contrib.admin.tests import AdminSeleniumWebDriverTestCase
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from django.contrib.admin.helpers import InlineAdminForm
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from django.contrib.auth.models import User, Permission
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from django.contrib.contenttypes.models import ContentType
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from django.test import TestCase, override_settings
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from django.test import TestCase, override_settings, RequestFactory
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# local test models
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from .admin import InnerInline
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from .admin import InnerInline, site as admin_site
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from .models import (Holder, Inner, Holder2, Inner2, Holder3, Inner3, Person,
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OutfitItem, Fashionista, Teacher, Parent, Child, Author, Book, Profile,
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ProfileCollection, ParentModelWithCustomPk, ChildModel1, ChildModel2,
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@ -28,6 +29,7 @@ class TestInline(TestCase):
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result = self.client.login(username='super', password='secret')
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self.assertEqual(result, True)
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self.factory = RequestFactory()
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def tearDown(self):
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self.client.logout()
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@ -221,6 +223,62 @@ class TestInline(TestCase):
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self.assertContains(response, max_forms_input % 2)
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self.assertContains(response, total_forms_hidden)
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def test_min_num(self):
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"""
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Ensure that min_num and extra determine number of forms.
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"""
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class MinNumInline(TabularInline):
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model = BinaryTree
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min_num = 2
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extra = 3
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modeladmin = ModelAdmin(BinaryTree, admin_site)
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modeladmin.inlines = [MinNumInline]
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min_forms = '<input id="id_binarytree_set-MIN_NUM_FORMS" name="binarytree_set-MIN_NUM_FORMS" type="hidden" value="2" />'
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total_forms = '<input id="id_binarytree_set-TOTAL_FORMS" name="binarytree_set-TOTAL_FORMS" type="hidden" value="5" />'
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request = self.factory.get('/admin/admin_inlines/binarytree/add/')
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request.user = User(username='super', is_superuser=True)
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response = modeladmin.changeform_view(request)
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self.assertContains(response, min_forms)
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self.assertContains(response, total_forms)
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def test_custom_min_num(self):
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"""
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Ensure that get_min_num is called and used correctly.
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See #22628 - this will change when that's fixed.
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"""
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bt_head = BinaryTree.objects.create(name="Tree Head")
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BinaryTree.objects.create(name="First Child", parent=bt_head)
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class MinNumInline(TabularInline):
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model = BinaryTree
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extra = 3
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def get_min_num(self, request, obj=None, **kwargs):
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if obj:
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return 5
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return 2
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modeladmin = ModelAdmin(BinaryTree, admin_site)
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modeladmin.inlines = [MinNumInline]
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min_forms = '<input id="id_binarytree_set-MIN_NUM_FORMS" name="binarytree_set-MIN_NUM_FORMS" type="hidden" value="%d" />'
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total_forms = '<input id="id_binarytree_set-TOTAL_FORMS" name="binarytree_set-TOTAL_FORMS" type="hidden" value="%d" />'
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request = self.factory.get('/admin/admin_inlines/binarytree/add/')
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request.user = User(username='super', is_superuser=True)
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response = modeladmin.changeform_view(request)
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self.assertContains(response, min_forms % 2)
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self.assertContains(response, total_forms % 5)
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request = self.factory.get("/admin/admin_inlines/binarytree/%d/" % bt_head.id)
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request.user = User(username='super', is_superuser=True)
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response = modeladmin.changeform_view(request, object_id=str(bt_head.id))
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self.assertContains(response, min_forms % 5)
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self.assertContains(response, total_forms % 9)
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def test_inline_nonauto_noneditable_pk(self):
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response = self.client.get('/admin/admin_inlines/author/add/')
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self.assertContains(response,
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@ -1,8 +1,8 @@
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from django.contrib import admin
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from django.contrib.contenttypes.admin import GenericTabularInline
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from .models import (Media, PhoneNumber, Episode, EpisodeExtra, Contact,
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Category, EpisodePermanent, EpisodeMaxNum)
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from .models import (Media, PhoneNumber, Episode, Contact,
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Category, EpisodePermanent)
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site = admin.AdminSite(name="admin")
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@ -18,17 +18,6 @@ class EpisodeAdmin(admin.ModelAdmin):
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]
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class MediaExtraInline(GenericTabularInline):
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model = Media
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extra = 0
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class MediaMaxNumInline(GenericTabularInline):
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model = Media
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extra = 5
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max_num = 2
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class PhoneNumberInline(GenericTabularInline):
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model = PhoneNumber
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@ -39,8 +28,6 @@ class MediaPermanentInline(GenericTabularInline):
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site.register(Episode, EpisodeAdmin)
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site.register(EpisodeExtra, inlines=[MediaExtraInline])
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site.register(EpisodeMaxNum, inlines=[MediaMaxNumInline])
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site.register(Contact, inlines=[PhoneNumberInline])
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site.register(Category)
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site.register(EpisodePermanent, inlines=[MediaPermanentInline])
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@ -27,26 +27,6 @@ class Media(models.Model):
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def __str__(self):
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return self.url
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#
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# These models let us test the different GenericInline settings at
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# different urls in the admin site.
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#
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#
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# Generic inline with extra = 0
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#
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class EpisodeExtra(Episode):
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pass
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#
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# Generic inline with extra and max_num
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#
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class EpisodeMaxNum(Episode):
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pass
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#
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# Generic inline with unique_together
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@ -4,16 +4,16 @@ import warnings
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from django.contrib import admin
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from django.contrib.admin.sites import AdminSite
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from django.contrib.auth.models import User
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from django.contrib.contenttypes.admin import GenericTabularInline
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from django.contrib.contenttypes.forms import generic_inlineformset_factory
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from django.forms.formsets import DEFAULT_MAX_NUM
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from django.forms.models import ModelForm
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from django.test import TestCase, override_settings
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from django.test import TestCase, override_settings, RequestFactory
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# local test models
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from .admin import MediaInline, MediaPermanentInline
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from .models import (Episode, EpisodeExtra, EpisodeMaxNum, Media,
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EpisodePermanent, Category)
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from .admin import MediaInline, MediaPermanentInline, site as admin_site
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from .models import Episode, Media, EpisodePermanent, Category
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@override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.SHA1PasswordHasher',),
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@ -136,6 +136,7 @@ class GenericInlineAdminParametersTest(TestCase):
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def setUp(self):
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self.client.login(username='super', password='secret')
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self.factory = RequestFactory()
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def tearDown(self):
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self.client.logout()
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@ -165,9 +166,18 @@ class GenericInlineAdminParametersTest(TestCase):
|
||||
"""
|
||||
With extra=0, there should be one form.
|
||||
"""
|
||||
e = self._create_object(EpisodeExtra)
|
||||
response = self.client.get('/generic_inline_admin/admin/generic_inline_admin/episodeextra/%s/' % e.pk)
|
||||
formset = response.context['inline_admin_formsets'][0].formset
|
||||
class ExtraInline(GenericTabularInline):
|
||||
model = Media
|
||||
extra = 0
|
||||
|
||||
modeladmin = admin.ModelAdmin(Episode, admin_site)
|
||||
modeladmin.inlines = [ExtraInline]
|
||||
|
||||
e = self._create_object(Episode)
|
||||
request = self.factory.get('/generic_inline_admin/admin/generic_inline_admin/episode/%s/' % e.pk)
|
||||
request.user = User(username='super', is_superuser=True)
|
||||
response = modeladmin.changeform_view(request, object_id=str(e.pk))
|
||||
formset = response.context_data['inline_admin_formsets'][0].formset
|
||||
self.assertEqual(formset.total_form_count(), 1)
|
||||
self.assertEqual(formset.initial_form_count(), 1)
|
||||
|
||||
@ -175,12 +185,43 @@ class GenericInlineAdminParametersTest(TestCase):
|
||||
"""
|
||||
With extra=5 and max_num=2, there should be only 2 forms.
|
||||
"""
|
||||
e = self._create_object(EpisodeMaxNum)
|
||||
response = self.client.get('/generic_inline_admin/admin/generic_inline_admin/episodemaxnum/%s/' % e.pk)
|
||||
formset = response.context['inline_admin_formsets'][0].formset
|
||||
class MaxNumInline(GenericTabularInline):
|
||||
model = Media
|
||||
extra = 5
|
||||
max_num = 2
|
||||
|
||||
modeladmin = admin.ModelAdmin(Episode, admin_site)
|
||||
modeladmin.inlines = [MaxNumInline]
|
||||
|
||||
e = self._create_object(Episode)
|
||||
request = self.factory.get('/generic_inline_admin/admin/generic_inline_admin/episode/%s/' % e.pk)
|
||||
request.user = User(username='super', is_superuser=True)
|
||||
response = modeladmin.changeform_view(request, object_id=str(e.pk))
|
||||
formset = response.context_data['inline_admin_formsets'][0].formset
|
||||
self.assertEqual(formset.total_form_count(), 2)
|
||||
self.assertEqual(formset.initial_form_count(), 1)
|
||||
|
||||
def testMinNumParam(self):
|
||||
"""
|
||||
With extra=3 and min_num=2, there should be six forms.
|
||||
See #22628 - this will change when that's fixed.
|
||||
"""
|
||||
class MinNumInline(GenericTabularInline):
|
||||
model = Media
|
||||
extra = 3
|
||||
min_num = 2
|
||||
|
||||
modeladmin = admin.ModelAdmin(Episode, admin_site)
|
||||
modeladmin.inlines = [MinNumInline]
|
||||
|
||||
e = self._create_object(Episode)
|
||||
request = self.factory.get('/generic_inline_admin/admin/generic_inline_admin/episode/%s/' % e.pk)
|
||||
request.user = User(username='super', is_superuser=True)
|
||||
response = modeladmin.changeform_view(request, object_id=str(e.pk))
|
||||
formset = response.context_data['inline_admin_formsets'][0].formset
|
||||
self.assertEqual(formset.total_form_count(), 6)
|
||||
self.assertEqual(formset.initial_form_count(), 1)
|
||||
|
||||
|
||||
@override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.SHA1PasswordHasher',))
|
||||
class GenericInlineAdminWithUniqueTogetherTest(TestCase):
|
||||
|
||||
@ -366,6 +366,33 @@ class ModelFormsetTest(TestCase):
|
||||
'<Author: Walt Whitman>',
|
||||
])
|
||||
|
||||
def test_min_num(self):
|
||||
# Test the behavior of min_num with model formsets. It should be
|
||||
# added to extra.
|
||||
qs = Author.objects.none()
|
||||
|
||||
AuthorFormSet = modelformset_factory(Author, fields="__all__", extra=0)
|
||||
formset = AuthorFormSet(queryset=qs)
|
||||
self.assertEqual(len(formset.forms), 0)
|
||||
|
||||
AuthorFormSet = modelformset_factory(Author, fields="__all__", min_num=1, extra=0)
|
||||
formset = AuthorFormSet(queryset=qs)
|
||||
self.assertEqual(len(formset.forms), 1)
|
||||
|
||||
AuthorFormSet = modelformset_factory(Author, fields="__all__", min_num=1, extra=1)
|
||||
formset = AuthorFormSet(queryset=qs)
|
||||
self.assertEqual(len(formset.forms), 2)
|
||||
|
||||
def test_min_num_with_existing(self):
|
||||
# Test the behavior of min_num with existing objects.
|
||||
# See #22628 - this will change when that's fixed.
|
||||
Author.objects.create(name='Charles Baudelaire')
|
||||
qs = Author.objects.all()
|
||||
|
||||
AuthorFormSet = modelformset_factory(Author, fields="__all__", extra=0, min_num=1)
|
||||
formset = AuthorFormSet(queryset=qs)
|
||||
self.assertEqual(len(formset.forms), 2)
|
||||
|
||||
def test_custom_save_method(self):
|
||||
class PoetForm(forms.ModelForm):
|
||||
def save(self, commit=True):
|
||||
|
||||
@ -1444,6 +1444,33 @@ class MaxNumCheckTests(CheckTestCase):
|
||||
self.assertIsValid(ValidationTestModelAdmin, ValidationTestModel)
|
||||
|
||||
|
||||
class MinNumCheckTests(CheckTestCase):
|
||||
|
||||
def test_not_integer(self):
|
||||
class ValidationTestInline(TabularInline):
|
||||
model = ValidationTestInlineModel
|
||||
min_num = "hello"
|
||||
|
||||
class ValidationTestModelAdmin(ModelAdmin):
|
||||
inlines = [ValidationTestInline]
|
||||
|
||||
self.assertIsInvalid(
|
||||
ValidationTestModelAdmin, ValidationTestModel,
|
||||
"The value of 'min_num' must be an integer.",
|
||||
'admin.E205',
|
||||
invalid_obj=ValidationTestInline)
|
||||
|
||||
def test_valid_case(self):
|
||||
class ValidationTestInline(TabularInline):
|
||||
model = ValidationTestInlineModel
|
||||
min_num = 2
|
||||
|
||||
class ValidationTestModelAdmin(ModelAdmin):
|
||||
inlines = [ValidationTestInline]
|
||||
|
||||
self.assertIsValid(ValidationTestModelAdmin, ValidationTestModel)
|
||||
|
||||
|
||||
class FormsetCheckTests(CheckTestCase):
|
||||
|
||||
def test_invalid_type(self):
|
||||
@ -1460,7 +1487,7 @@ class FormsetCheckTests(CheckTestCase):
|
||||
self.assertIsInvalid(
|
||||
ValidationTestModelAdmin, ValidationTestModel,
|
||||
"The value of 'formset' must inherit from 'BaseModelFormSet'.",
|
||||
'admin.E205',
|
||||
'admin.E206',
|
||||
invalid_obj=ValidationTestInline)
|
||||
|
||||
def test_valid_case(self):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user