Honza Kr�l wrote:
Hi Ramdas,
the "Right Way (tm)" how to solve this using newforms is:
1) subclass Field to create a field representing (and validating) username:
class UserField( forms.Field ):
def clean( self, value ):
do what you must to verify username, throw validation error if you
are not satisfied with the data
I'd just like to point out that subclassing isn't the only way to add
custom validation to a field, you can also implement the clean_FIELDNAME
method on your form, or override the forms clean(), this is how I've
done it:
class RegistrationForm(forms.Form):
username = forms.RegexField(r'^[a-zA-Z0-9_]{3,30}$',
max_length = 30)
<- rest of the fields here ->
def clean_username(self):
<- additional validation code here ->
<- raise forms.ValidationError if data is invalid ->
-+ enlight +-
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