from django.utils.translation import ugettext_lazy as _, ugettext
from django import newforms as forms

class LoginForm(forms.Form):
        username = forms.CharField(label=_('username'))
        password = forms.CharField(label=_('password'))        
        user = None   # allow access to user object     
        def clean(self):
            # only do further checks if the rest was valid
            if self._errors: return
            
            from django.contrib.auth import login, authenticate
            user = authenticate(username=self.data['username'],
                                password=self.data['password'])
            if user is not None:
                if user.is_active:
                    self.user = user                    
                else:
                    raise forms.ValidationError(ugettext(
                        'This account is currently inactive. Please contact '
                        'the administrator if you believe this to be in error.'))
            else:
                raise forms.ValidationError(ugettext(
                    'The username and password you specified are not valid.'))
        def login(self, request):
            from django.contrib.auth import login
            if self.is_valid():
                login(request, self.user)
                return True
            return False