forms.py

# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.contrib.auth import password_validation
from django.contrib.auth.forms import UserCreationForm, UserChangeForm

from accounts.models import User


class CustomUserCreationForm(UserCreationForm):
    """
    A form that creates a user, with no privileges, from the given email and
    password.
    """

    def __init__(self, *args, **kargs):
        super(CustomUserCreationForm, self).__init__(*args, **kargs)
        if 'username' in self.fields:
            print "here"
            del self.fields['username']

    class Meta:
        model = User
        fields = ("email",)

    def clean_password2(self):
        password1 = self.cleaned_data.get("password1")
        password2 = self.cleaned_data.get("password2")
        if password1 and password2 and password1 != password2:
            raise forms.ValidationError(
                self.error_messages['password_mismatch'],
                code='password_mismatch',
            )
        self.instance.email = self.cleaned_data.get('email')
        password_validation.validate_password(
            self.cleaned_data.get('password2'), self.instance
        )
        return password2