id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
16617	URLField with min_length or max_length reports wrong length in validation messages	Fraser Nevett	ANUBHAV JOSHI	"Here's a simple example to illustrate the problem:

{{{
>>> from django.forms import URLField
>>> URLField(max_length=5).clean('example.com')
Traceback (most recent call last):
  File ""<console>"", line 1, in <module>
  File ""django/forms/fields.py"", line 153, in clean
    self.run_validators(value)
  File ""django/forms/fields.py"", line 142, in run_validators
    raise ValidationError(errors)
ValidationError: [u'Ensure this value has at most 5 characters (it has 19).']
}}}

The entered value (''example.com'') is only 11 characters long, but the validation message says that it is 19.  This obviously has the potential to cause confusion to the user.

The value 19 comes from the fact that length check is performed after the value has been sanitised to ''!http://example.com/''.

A possible solution would be to add the sanitised value to the validation message so that the user can better understand to what value the length restriction actually applies. For example:

   Ensure this value has at most 5 characters (""!http://example.com/"" has 19).

Note that the same problem occurs with `min_length` as with `max_length`."	Bug	closed	Forms	dev	Normal	fixed		me@…	Ready for checkin	1	0	0	0	0	0