from __future__ import unicode_literals
from django import forms
from django.contrib.auth.forms import AuthenticationForm
from django.utils.translation import ugettext_lazy as _
class AdminAuthenticationForm(AuthenticationForm):
"""
A custom authentication form used in the admin app.
error_messages = {
'invalid_login': _("Please enter the correct %(username)s and password "
"for a staff account. Note that both fields may be "
"case-sensitive."),
}
def confirm_login_allowed(self, user):
if not user.is_active or not user.is_staff:
raise forms.ValidationError(
self.error_messages['invalid_login'],
code='invalid_login',
params={'username': self.username_field.verbose_name}
)
