Re: IntegrityError at /register/ auth_user.username may not be NULL

On Wednesday, 28 March 2012 20:31:09 UTC+1, laurence Turpin wrote:

I'm getting the following error with my registration  section of my
program.

IntegrityError at /register/
auth_user.username may not be NULL

I am using django 1.3.1 and python 2.7.2 and I'm using sqlite3 as the
database.
I am a newbie and I'm learning Djanogo from the book "Learning website
development with Django"

The registration form is displayed ok  and I'm able to fill it out and
it is when I click register that the problem occurs.

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

My views.py  looks like the following and register_page is the
relevant function here:

<snip>

 

    def clean_username(self):
        username = self.cleaned_data['username']
        if not re.search(r'^\w+$', username):
            raise forms.ValidationError('Username can only contain
alphanumeric characters and underscores')
            try:
                User.objects.get(username=username)
            except ObjectDoesNotExist:
                return username
            raise forms.ValidationError('Username already taken. ')

 

Looks like you have an indentation problem in clean_username - the lines under the first "raise forms.ValidationError" should be one level to the left, otherwise they will never be reached and the method will never return the cleaned value for username.

--

DR.

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