#6138: newforms: when accessing directly form.errors, error_class is not used
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Reporter: Michal Moroz | Owner: peter2108
Status: new | Milestone:
Component: Forms | Version: SVN
Resolution: | Keywords:
Stage: Accepted | Has_patch: 1
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by peter2108):
* owner: nobody => peter2108
* needs_better_patch: 1 => 0
* status: reopened => new
* needs_tests: 1 => 0
Comment:
Forms have an optional parameter 'error_class' which defaults to
!ErrorList.
!ErrorList subclasses 'list'. It holds a list of Form errors and has
methods to
present its errors in various formats, typically an HTML <ul>. A custom
error_class might change the HTML display of Form errors. Forms add errors
by trapping a !ValidationError
!ValidationError.messages is an !ErrorList instance. Present code just
adds
this !ErrorList to the Form's errors. Instead we initialise an error_class
instance with !ErrorList.messages and add this instance to Form's errors.
error_class is an optional parameter for !BaseForm, !BaseFormset and
!BaseModelForm.
Changes are only needed for the first two.
!ValidationError is trapped at:
{{{
1. forms/fields.py:805
2. forms/forms.py:245
3. forms/forms.py:252
4. forms/formsets.py:254
}}}
Changes are made for 2-4. Any issues there might be with 1. are not
addressed.
I have included a group of tests. To run these using the constant
'NON_FIELD_ERRORS' instead of its present value I needed to change the _
_all_ _
list of Forms module.
The changes proposed here are those of !AzMoo 12/14/08 except for the
change to
_html_output which does not appear to be necessary.
Finally if documentation is added for 'error_class' it would probably be
worth
warning error_messages for fields are not strings. I included some tests
to illustrate this
The changes are in error_class2.diff, test for the patch in
error_class2_test.py
--
Ticket URL: <http://code.djangoproject.com/ticket/6138#comment:16>
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