On Tue, Aug 27, 2013 at 2:43 PM, Derrick Jackson
<derrick.jackso...@gmail.com> wrote:
> Thanks Tom. I actually tried that at one point and this is the error I
> received: not all arguments converted during string formatting.
To fix your problem, ensure that your error messages have the same
format specifiers as the defaults, which are here:
'invalid': _('Enter a number.'),
'max_value': _('Ensure this value is less than or equal to
%(limit_value)s.'),
'min_value': _('Ensure this value is greater than or equal to
%(limit_value)s.'),
'max_digits': _('Ensure that there are no more than %s digits
in total.'),
'max_decimal_places': _('Ensure that there are no more than %s
decimal places.'),
'max_whole_digits': _('Ensure that there are no more than %s
digits before the decimal point.')
The problem arises because the documentation seems incorrect for 1.5
(and trunk):
"""
The max_value and min_value error messages may contain
%(limit_value)s, which will be substituted by the appropriate limit.
"""
https://docs.djangoproject.com/en/1.5/ref/forms/fields/#decimalfield
where as the code indicates that min_value, max_value, max_digits,
max_decimal_places and max_whole_digits all take a format argument:
https://github.com/django/django/blob/stable/1.5.x/django/forms/fields.py#L260
Furthermore, the docs say "may contain", which is very misleading, as
the OP has shown, the qualifier has to be "MUST contain" - there is
nothing optional about it:
> $ python
Python 2.7.5 (default, Sep 13 2013, 10:44:18)
[GCC 4.2.1 20070831 patched [FreeBSD]] on freebsd9
Type "help", "copyright", "credits" or "license" for more information.
>>> from django import forms
>>> class BadForm(forms.Form):
... dec = forms.DecimalField(max_digits=3,
error_messages={'max_digits':'too many digits'})
...
>>> b=BadForm({'dec': '12.3456789'})
>>> b.is_valid()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/usr/home/tom/tmp/djforms15/env/lib/python2.7/site-packages/django/forms/forms.py",
line 126, in is_valid
return self.is_bound and not bool(self.errors)
File
"/usr/home/tom/tmp/djforms15/env/lib/python2.7/site-packages/django/forms/forms.py",
line 117, in _get_errors
self.full_clean()
File
"/usr/home/tom/tmp/djforms15/env/lib/python2.7/site-packages/django/forms/forms.py",
line 272, in full_clean
self._clean_fields()
File
"/usr/home/tom/tmp/djforms15/env/lib/python2.7/site-packages/django/forms/forms.py",
line 287, in _clean_fields
value = field.clean(value)
File
"/usr/home/tom/tmp/djforms15/env/lib/python2.7/site-packages/django/forms/fields.py",
line 155, in clean
self.validate(value)
File
"/usr/home/tom/tmp/djforms15/env/lib/python2.7/site-packages/django/forms/fields.py",
line 320, in validate
raise ValidationError(self.error_messages['max_digits'] % self.max_digits)
TypeError: not all arguments converted during string formatting
Cheers
Tom
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