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Code Issues 32 Releases Wiki Activity

Fixed #20000 -- Allowed ModelForm meta overrides for label, help_text and error_messages

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This commit is contained in:
Loic Bistuer
2013-04-04 02:51:37 +07:00
committed by Tim Graham
parent dc9c359546
commit 9e50833e22
6 changed files with 231 additions and 45 deletions
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56
django/forms/models.py
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@@ -138,7 +138,9 @@ def model_to_dict(instance, fields=None, exclude=None):
data[f.name] = f.value_from_object(instance)
return data
def fields_for_model(model, fields=None, exclude=None, widgets=None, formfield_callback=None, localized_fields=None):
def fields_for_model(model, fields=None, exclude=None, widgets=None,
formfield_callback=None, localized_fields=None,
labels=None, help_texts=None, error_messages=None):
"""
Returns a ``SortedDict`` containing form fields for the given model.
@@ -149,7 +151,16 @@ def fields_for_model(model, fields=None, exclude=None, widgets=None, formfield_c
fields will be excluded from the returned fields, even if they are listed
in the ``fields`` argument.
``widgets`` is a dictionary of model field names mapped to a widget
``widgets`` is a dictionary of model field names mapped to a widget.
``localized_fields`` is a list of names of fields which should be localized.
``labels`` is a dictionary of model field names mapped to a label.
``help_texts`` is a dictionary of model field names mapped to a help text.
``error_messages`` is a dictionary of model field names mapped to a
dictionary of error messages.
``formfield_callback`` is a callable that takes a model field and returns
a form field.
@@ -170,6 +181,12 @@ def fields_for_model(model, fields=None, exclude=None, widgets=None, formfield_c
kwargs['widget'] = widgets[f.name]
if localized_fields == ALL_FIELDS or (localized_fields and f.name in localized_fields):
kwargs['localize'] = True
if labels and f.name in labels:
kwargs['label'] = labels[f.name]
if help_texts and f.name in help_texts:
kwargs['help_text'] = help_texts[f.name]
if error_messages and f.name in error_messages:
kwargs['error_messages'] = error_messages[f.name]
if formfield_callback is None:
formfield = f.formfield(**kwargs)
@@ -197,6 +214,9 @@ class ModelFormOptions(object):
self.exclude = getattr(options, 'exclude', None)
self.widgets = getattr(options, 'widgets', None)
self.localized_fields = getattr(options, 'localized_fields', None)
self.labels = getattr(options, 'labels', None)
self.help_texts = getattr(options, 'help_texts', None)
self.error_messages = getattr(options, 'error_messages', None)
class ModelFormMetaclass(type):
@@ -248,7 +268,9 @@ class ModelFormMetaclass(type):
opts.fields = None
fields = fields_for_model(opts.model, opts.fields, opts.exclude,
opts.widgets, formfield_callback, opts.localized_fields)
opts.widgets, formfield_callback,
opts.localized_fields, opts.labels,
opts.help_texts, opts.error_messages)
# make sure opts.fields doesn't specify an invalid field
none_model_fields = [k for k, v in six.iteritems(fields) if not v]
@@ -416,7 +438,8 @@ class ModelForm(six.with_metaclass(ModelFormMetaclass, BaseModelForm)):
pass
def modelform_factory(model, form=ModelForm, fields=None, exclude=None,
formfield_callback=None, widgets=None, localized_fields=None):
formfield_callback=None, widgets=None, localized_fields=None,
labels=None, help_texts=None, error_messages=None):
"""
Returns a ModelForm containing form fields for the given model.
@@ -434,6 +457,13 @@ def modelform_factory(model, form=ModelForm, fields=None, exclude=None,
``formfield_callback`` is a callable that takes a model field and returns
a form field.
``labels`` is a dictionary of model field names mapped to a label.
``help_texts`` is a dictionary of model field names mapped to a help text.
``error_messages`` is a dictionary of model field names mapped to a
dictionary of error messages.
"""
# Create the inner Meta class. FIXME: ideally, we should be able to
# construct a ModelForm without creating and passing in a temporary
@@ -449,6 +479,12 @@ def modelform_factory(model, form=ModelForm, fields=None, exclude=None,
attrs['widgets'] = widgets
if localized_fields is not None:
attrs['localized_fields'] = localized_fields
if labels is not None:
attrs['labels'] = labels
if help_texts is not None:
attrs['help_texts'] = help_texts
if error_messages is not None:
attrs['error_messages'] = error_messages
# If parent form class already has an inner Meta, the Meta we're
# creating needs to inherit from the parent's inner meta.
@@ -738,7 +774,8 @@ class BaseModelFormSet(BaseFormSet):
def 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):
widgets=None, validate_max=False, localized_fields=None,
labels=None, help_texts=None, error_messages=None):
"""
Returns a FormSet class for the given Django model class.
"""
@@ -759,7 +796,8 @@ def modelformset_factory(model, form=ModelForm, formfield_callback=None,
form = modelform_factory(model, form=form, fields=fields, exclude=exclude,
formfield_callback=formfield_callback,
widgets=widgets, localized_fields=localized_fields)
widgets=widgets, localized_fields=localized_fields,
labels=labels, help_texts=help_texts, error_messages=error_messages)
FormSet = formset_factory(form, formset, extra=extra, max_num=max_num,
can_order=can_order, can_delete=can_delete,
validate_max=validate_max)
@@ -898,7 +936,8 @@ def 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):
widgets=None, validate_max=False, localized_fields=None,
labels=None, help_texts=None, error_messages=None):
"""
Returns an ``InlineFormSet`` for the given kwargs.
@@ -922,6 +961,9 @@ def inlineformset_factory(parent_model, model, form=ModelForm,
'widgets': widgets,
'validate_max': validate_max,
'localized_fields': localized_fields,
'labels': labels,
'help_texts': help_texts,
'error_messages': error_messages,
}
FormSet = modelformset_factory(model, **kwargs)
FormSet.fk = fk